Patent application number | Description | Published |
20080216113 | METHOD FOR RECEIVING BROADCASTING SIGNAL AND BROADCASTING RECEIVER - A method for receiving a broadcasting signal and a broadcasting signal receiver are disclosed. Even when a cell is changed while an emergency alert is output, the emergency alert can be continuously output using emergency alert table information included in the broadcasting signal and channel information of the cell. The emergency alert table information may include a cell identifier and the channel information of the cell may include virtual channel information of the cell. | 09-04-2008 |
20080222676 | METHOD FOR TRANSMITTING/RECEIVING BROADCASTING SIGNAL AND BROADCASTING SIGNAL RECEIVER - A method for transmitting/receiving a broadcasting signal and a broadcasting signal receiver are disclosed. An identifier of a burst period is obtained from program table information of the broadcasting signal including mobile data and only the burst period in which a broadcasting program desired by a user is transmitted is received. Accordingly, when the broadcasting signal is received, only a desired burst period is received such that power consumption of the broadcasting signal receiver can be reduced. | 09-11-2008 |
20080239161 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A digital television (DTV) receiving system includes an information detector, a resampler, a timing recovery unit, and a carrier recovery unit. The information detector detects a known data sequence which is periodically inserted in a digital television (DTV) signal received from a DTV transmitting system. The resampler resamples the DTV signal at a predetermined resampling rate. The timing recovery unit performs timing recovery on the DTV signal by detecting a timing error from the resampled DTV signal using the detected known data sequence. The carrier recovery unit performs carrier recovery on the resampled DTV signal by estimating a frequency offset value of the resampled DTV signal using the detected known data sequence. | 10-02-2008 |
20080240065 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A service multiplexer of a digital broadcasting system includes a null data generator, a mobile service multiplexer, a main service multiplexer, and a multiplexer. The null data generator may generate null data. The mobile service multiplexer may multiplex and output compression encoded mobile service data, additional data for a mobile service, and null data at a pre-determined first data rate. The main service multiplexer may multiplex and output compression encoded main service data and additional data for a main service at a pre-determined second data rate. The multiplexer may multiplex the output data of the main service multiplexer and the output data of the mobile service multiplexer at a pre-determined third data rate and transmitting the multiplexed data to at least one transmitter located at a remote position. | 10-02-2008 |
20080240293 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast system and method of processing data are disclosed. A channel equalizer includes a frequency domain converter receiving a known data sequence, when the known data sequence is periodically inserted and transmitted in general data, and converting the received data to frequency domain data, a CIR estimator using the data being received during a known data section and known data generated by a receiving system, so as to estimate a CIR, a CIR calculator interpolating or extrapolating the CIR estimated by the CIR estimator in accordance with characteristics of the general data being received, a coefficient calculator converting the CIR being outputted from the CIR calculator to a frequency domain CIR and calculating and outputting an equalization coefficient, and a distortion compensator multiplying the equalization coefficient calculated by the coefficient calculator with the data converted to frequency domain data by the frequency domain converter, thereby compensating channel distortion. | 10-02-2008 |
20080242258 | RECEIVING SYSTEM AND METHODS FOR PROCESSING BROADCASTING SIGNAL - A receiving system comprises a first module configured to receive location information identifying current location of the receiver, a second module configured to receive a broadcasting signal including cell information which includes first information defining a location of each cell and second information defining a transport channel of each cell, extract the cell information, select a cell according to the extracted cell information, tune to a transport channel of the selected cell, and processing a broadcast transported from the tuned transport channel, a storage medium, and a controller configured to control to extract the cell information which is matched with the received location information, select the cell, tune to the transport channel of the selected cell, and process the broadcast transported from the tuned transport channel. | 10-02-2008 |
20080246881 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A digital television (DTV) receiving system includes a known data detector, and a channel impulse response (CIR) estimator, a CIR calculator, a coefficient calculator, and a multiplier. The known data detector detects positions of known data and field sync data included in a data group. The CIR estimator estimates CIRs of the data included in the data group using the detected positions of the field sync data and the known data. The CIR calculator performs interpolation or extrapolation based on a characteristic of each data region included in the data group. The coefficient calculator calculates equalization coefficients using the estimated CIRs, and the multiplier multiplies the data in the data group with the coefficients. | 10-09-2008 |
20080246887 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A digital television (DTV) receiving system includes a tuner, a demodulator, a known data detector, an equalizer, a transmission detector, and a block decoder. The tuner receives a DTV signal having a data frame in which main and mobile service data are multiplexed. The demodulator demodulates the DTV signal, and the known data detector detects known data included in the mobile service data. The equalizer equalizes the demodulated DTV signal using the detected known data, and the transmission parameter detector detects an error correction mode from the equalized DTV signal. Finally, the block decoder decodes the equalized DTV signal for error correction using the detected error correction mode. | 10-09-2008 |
20080271077 | METHOD OF CONTROLLING AND APPARATUS OF RECEIVING MOBILE SERVICE DATA - A data transmission system for minimizing the number of errors during Tx/Rx times of mobile service data under mobile environments, and a data processing method for the same are disclosed. The system additionally codes the mobile service data, and transmits the resultant coded mobile service data. As a result, the mobile service data has a strong resistance to noise and channel variation, and can quickly cope with the rapid channel variation. | 10-30-2008 |
20080282130 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and a data processing method are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes. The data processing method of a digital broadcast transmitting system includes the steps of forming a RS frame by grouping a plurality of mobile service data bytes that is being inputted, and performing error correction encoding in RS frame units, forming a super frame by grouping a plurality of the error correction encoded RS frame, performing row permutation in super frame units, and dividing the super frame back to RS frames, and dividing the RS frame into a plurality of data groups. | 11-13-2008 |
20080304602 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast system including a broadcast receiving system and data processing method are disclosed. In the broadcast receiving system receiving broadcast signals, the broadcast receiving system includes a transmission parameter decoding unit, a known sequence detector, and a burst controller. The transmission parameter decoding unit detects information on a burst of a received signal from broadcast data having main service data and mobile service data multiplexed therein within a field of the received signal and outputs the detected information on the burst. The known sequence detector receives burst information from the transmission parameter decoding unit and uses the received burst information and known data position information included in the received data, so as to output burst control information. The burst controller uses the burst control information to control power supply of the broadcast receiving system. | 12-11-2008 |
20080313522 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system for transmitting/receiving a digital broadcasting signal and a data processing method are disclosed. First program table information and second program table information, which has an identifier different from an identifier of the first program information, are multiplexed and transmitted. The first program table information describes main service data through fixed reception channel, while the second program information described mobile service data through mobile reception channel. Thus, a broadcast receiving system can receive and output the mobile service data by parsing the second program table information. | 12-18-2008 |
20080313692 | BROADCASTING SIGNAL RECEIVER AND METHOD FOR TRANSMITTING/RECEIVING BROADCASTING SIGNAL - The present invention relates to a digital broadcasting system, when transmitting mobile service data. In order to do so, the present invention performs additional encoding on the mobile service data and outputs the additionally encoded data. Accordingly, robustness is provided to the mobile service data, thereby enabling the mobile service data to respond swiftly and strongly against noise and channel changes. | 12-18-2008 |
20080320528 | METHOD OF CONTROLLING AND APPARATUS OF RECEIVING MOBILE SERVICE DATA - The present invention relates to a digital broadcasting system, when transmitting mobile service data. In order to do so, the present invention performs additional encoding on the mobile service data and outputs the additionally encoded data. Accordingly, robustness is provided to the mobile service data, thereby enabling the mobile service data to respond swiftly and strongly against noise and channel changes. | 12-25-2008 |
20090019494 | METHOD OF CONTROLLING AND APPARATUS OF RECEIVING MOBILE SERVICE DATA - The present invention relates to a digital broadcasting system, when transmitting mobile service data. In order to do so, the present invention performs additional encoding on the mobile service data and outputs the additionally encoded data. Accordingly, robustness is provided to the mobile service data, thereby enabling the mobile service data to respond swiftly and strongly against noise and channel changes. | 01-15-2009 |
20090022247 | METHOD OF CONTROLLING AND APPARATUS OF RECEIVING MOBILE SERVICE DATA - A data transmission system for minimizing the number of errors during Tx/Rx times of mobile service data under mobile environments, and a data processing method for the same are disclosed. The system additionally codes the mobile service data, and transmits the resultant coded mobile service data. As a result, the mobile service data has a strong resistance to noise and channel variation, and can quickly cope with the rapid channel variation. | 01-22-2009 |
20090028079 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESSING METHOD FOR USE IN THE SAME - The present invention is directed to a digital broadcast system and a data processing method. A broadcast signal in which mobile service data and main service data are multiplexed is transmitted and received. Then, in a broadcasting receiver, the program table information including information about a service or a program of an ensemble is parsed according to an identifier of the ensemble in which the mobile service data are multiplexed, in the received broadcast signal. And a mobile service is outputted by using the mobile service data and the parsed program table information. | 01-29-2009 |
20090028080 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESSING METHOD FOR USE IN THE SAME - The present invention is directed to a digital broadcast system and a data processing method. A broadcast signal in which mobile service data and main service data are multiplexed is transmitted and received. Then, in a broadcasting receiver, mobile service data identification information indicating whether the mobile service data of the broadcast signal provides an internet protocol (IP)-based service is parse from the broadcast signal. And the mobile service data is outputted by using the parsed mobile service data identification information. | 01-29-2009 |
20090028247 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - The present invention provides a method of processing data in digital broadcasting system. The method includes receiving a broadcast signal including mobile broadcast service data and main broadcast service data, wherein the mobile broadcast service data configures a data group, wherein the data group is divided into a plurality of regions, wherein known data sequences are linearly inserted in some regions among the plurality of regions, and wherein initialization data are inserted at a beginning portion of each known data sequence, the initialization data being used for initializing a memory included in a trellis encoder of a digital broadcast transmitting system, detecting known data included in the received broadcast signal, channel-equalizing the received mobile broadcast service data corresponding to the detected known data, using the detected known data, extracting a video data from the mobile broadcast service data, parsing the extracted video data by a NAL unit and decoding the parsed video data based on header information of the parsed NAL unit. | 01-29-2009 |
20090028272 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA THEREOF - A digital broadcasting system and data processing method are disclosed, which are highly resistant to channel changes and noise. The present invention includes receiving a broadcast signal having mobile service data and main service data multiplexed with each other from at least one parade, demodulating the broadcast signal, acquiring program table information describing at least one service included in at least one ensemble from the demodulated broadcast signal and decoding the mobile service data associated with a first service using a program table information transport unit in the acquired program table information. | 01-29-2009 |
20090029670 | BROADCAST RECEIVING SYSTEM AND METHOD FOR PROCESSING BROADCAST SIGNALS - A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes a first receiving unit, a second receiving unit, a known sequence detector, a equalizer, and a display unit. The first receiving unit receives a first broadcast signal including first mobile broadcast service data and first main broadcast service data. The second receiving unit receives a second broadcast signal including second mobile broadcast service data and second main broadcast service data. The known sequence detector detects at least one of known data included in the received first broadcast signal and known data included in the received second broadcast signal. The channel equalizer uses the detected known data, thereby channel-equalizing the received first and second mobile broadcast service data corresponding to the detected known data. The display unit provides any one of first video data and second video data included in the channel-equalized first and second mobile broadcast service data to a user. | 01-29-2009 |
20090029671 | BROADCAST RECEIVER AND METHOD OF PROCESSING DATA - A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a known sequence detector, and a channel equalizer. The signal receiving unit repeats, when an operating mode of the broadcast receiver has been switched to a Discontinuous Receive (DRx) mode, preset wake-up and sleep sections, and receives a broadcast signal containing main broadcast service and mobile broadcast service data in the wake-up section. The known sequence detector detects known data included in the received broadcast signal. The channel equalizer uses the detected known data, thereby channel-equalizing the received mobile broadcast service data. | 01-29-2009 |
20090031361 | DIGITAL BROADCAST SYSTEM, AND DATA PROCESSING METHOD - A digital broadcast system having storing resistance to errors generated during the transmission of mobile service data, and a data processing method are disclosed. The digital broadcast system additionally encodes mobile service data. As a result, the mobile service data has strong resistance to a channel variation and noise, and at the same time the system can quickly cope with the channel variation. | 01-29-2009 |
20090034442 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 02-05-2009 |
20090034556 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - The present invention relates to a digital broadcasting system for transmitting/receiving a digital broadcasting signal and a method of processing data. In one aspect of the present invention provides a method of processing data, the method including receiving a broadcasting signal in which mobile service data and main service data are multiplexed, demodulating the received broadcasting signal, obtaining an identifier indicating that data frame of the broadcasting signal includes service guide information, decoding and storing the service guide information from the data frame; and outputting a service included in the mobile service data according to the decoded service guide information. | 02-05-2009 |
20090034629 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - The present invention provides a method of processing data in digital broadcasting system. The method includes receiving a broadcast signal including mobile broadcast service data and main broadcast service data, wherein the mobile broadcast service data configures a RS frame, and wherein the RS frame includes at least one data packet corresponding to the mobile broadcast service data, an RS parity generated based upon the at least one data packet, and a CRC checksum generated based upon the at least one data packet and the RS parity, performing CRC-decoding and RS-decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data, extracting video data from the mobile broadcast service data, and decoding the extracted video data, wherein the video data includes data of a base layer and data of an enhanced layer and wherein the enhanced layer has a spatial resolution or an image quality different from that of the base layer. | 02-05-2009 |
20090034630 | BROADCAST RECEIVER AND METHOD OF PROCESSING DATA - A broadcast receiver, and a method of processing data are disclosed. The broadcast receiver includes a receiving unit, a RS frame decoder, a decoding unit, and an output unit. The receiving unit receives a broadcast signal multiplexed mobile broadcast service data including a first information associated with safety/security and main broadcast service data. The RS frame decoder performs CRC-decoding and RS-decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data. The decoding unit extracts the first information from the error-corrected mobile broadcast service data, thereby decoding the extracted data with at least one of an audio decoder, a video decoder, and a data decoder. The output unit outputs the first information decoded by the decoder in a form of at least one of a text, a voice message, and an image. | 02-05-2009 |
20090034631 | BROADCAST RECEIVER AND METHOD OF PROCESSING DATA - A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a broadcasting module, at least one function module, and a controller. The broadcasting module receives and processes mobile broadcast signal. The function module outputs at least one of a video output and an audio output. The controller controls output of at least one of video output and audio output corresponding to each of the broadcasting module and the function module, when a mode shift occurs between the broadcasting module and at least one the function module. | 02-05-2009 |
20090034652 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 02-05-2009 |
20090034656 | BROADCAST RECEIVING SYSTEM AND METHOD FOR PROCESSING BROADCAST SIGNALS - A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes N number of antenna elements, a demodulator, a transmission parameter detector, and a block decoder. The N number of antenna elements receives each of the broadcast signals. The demodulator demodulates the broadcast signal having greater signal strength among each of the received broadcast signals. The transmission parameter detector detects the transmission parameter. The block decoder symbol-decodes the mobile broadcast service data included in the received broadcast signal in block units, based upon the detected transmission parameter. | 02-05-2009 |
20090036090 | BROADCAST RECEIVING SYSTEM AND METHOD FOR PROCESSING BROADCAST SIGNALS - A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes a receiving unit, a RS frame decoder, and a memory. The receiving unit receives a broadcast signal including mobile broadcast service data and main broadcast service data. The RS frame decoder performs CRC-decoding and RS-decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data. The memory stores at least one of a traffic information, a POI (point of interesting), and a map information included in the error-corrected mobile broadcast service data. | 02-05-2009 |
20090037097 | BROADCAST RECEIVER AND METHOD OF PROCESSING DATA - A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a receiving unit, a RS frame decoder, a storage unit, and a navigation unit. The receiving unit receives a broadcast signal multiplexed mobile broadcast service data including information on route prediction and main broadcast service data. The RS frame decoder performs CRC-decoding and RS-decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data. The navigation unit uses the information on route prediction and a current position information of the broadcast receiver, thereby predicting at least one route. | 02-05-2009 |
20090037792 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital receiving system, and a method of processing data are disclosed. The digital receiving system includes a receiving unit, a known sequence detector, and a channel equalizer. The receiving unit receives a broadcast signal including mobile service data and main service data. The known sequence detector detects known data linearly inserted in a data group. The channel equalizer performs channel-equalizing on the received mobile service data using the detected known data. | 02-05-2009 |
20090037959 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - The present invention provides a method of processing data in digital broadcasting system. The method includes receiving a broadcast signal including mobile broadcast service data and main broadcast service data, wherein the mobile broadcast service data configures a data group, wherein the data group is divided into a plurality of regions, wherein N number of known data sequences are inserted in some regions among the plurality of regions, and wherein a transmission parameter is inserted between a first known data sequence and a second known data sequence, among the N number of known data sequences, detecting the transmission parameter from the mobile broadcast service data, symbol-decoding the received broadcast signal included in the mobile broadcast service data in block units, based upon the detected transmission parameter, extracting a video data from the mobile broadcast service data, parsing the extracted video data by a NAL unit, obtaining NAL unit type information from parsed NAL header, obtaining extension information of a NAL header, when data of a current NAL unit indicates scalable video coded data according to the NAL unit type information, and decoding the video data using the extension information of the NAL header, wherein the extension information of the NAL header includes at least one of temporal level information, quality level information, information indicating whether inter-layer prediction is used, and dependency information of the NAL unit. | 02-05-2009 |
20090040997 | BROADCASTING RECEIVER AND BROADCAST SIGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data. | 02-12-2009 |
20090041129 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 02-12-2009 |
20090042592 | BROADCAST RECEIVER AND METHOD OF PROCESSING DATA - A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a transmission parameter detector, a block decoder, a storage unit, and a data manager. The signal receiving unit receives a broadcast signal multiplexed mobile broadcast service data including two-way contents and main broadcast service data. The transmission parameter detector detects the transmission parameter. The block decoder symbol-decodes the received broadcast signal included in the mobile broadcast service data in block units, based upon the detected transmission parameter. The storage unit stores the decoded two-way contents. The data manager reads a requested two-way contents from the stored two-way contents with respect to a user's select signal, and provides the requested two-way contents service. | 02-12-2009 |
20090044072 | BROADCASTING RECEIVER AND BROADCAST SIGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data. | 02-12-2009 |
20090044073 | BROADCAST RECEIVER AND METHOD OF PROCESSING DATA - A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a RS frame decoder, a decoding unit, a text-to-speech (TTS) module, a voice output unit, and a control unit. The signal receiving unit receives broadcast signal multiplexed mobile broadcast service data including text information and main broadcast service data. The RS frame decoder performs decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data. The decoding unit decodes the text information included in the error-corrected mobile broadcast service data. The text-to-speech (TTS) module converts the text information to a voice signal. The voice output unit outputs the converted voice signal. The control unit controls the voice output unit. | 02-12-2009 |
20090044230 | BROADCASTING RECEIVER AND BROADCAST SIGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data. | 02-12-2009 |
20090044231 | BROADCASTING RECEIVER AND BROADCAST SINGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data. | 02-12-2009 |
20090046815 | BROADCASTING RECEIVER AND BROADCAST SIGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data. | 02-19-2009 |
20090046816 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast system and a method of processing data are disclosed. The receiving system of the digital broadcast system includes a signal receiving unit, a first data processor, a second data processor, and an A/V decoder. The signal receiving unit receives at least one of first mobile service data that is transmitted according to a first transmission method and second mobile service data that is transmitted according to a second transmission method. The first data processor performs demodulation on the first mobile service data received by the signal receiving unit using a first demodulation method and corrects errors occurring in the demodulated first mobile service data. The second data processor performs demodulation on the second mobile service data received by the signal receiving unit using a second demodulation method and corrects errors occurring in the demodulated second mobile service data. The A/V decoder performs A/V decoding on mobile service data outputted from at least one of the first and second data processors. | 02-19-2009 |
20090049472 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system for transmitting/receiving a digital broadcasting signal and a data processing method are disclosed. A program table information has an identifier identifying mobile service data and main service data in a broadcasting signal. The program table information is mulitiplexed with the mobile service data and main service data. Then, broadcast receiving system can receive and output the mobile service data by parsing the program table information and using the identifier. | 02-19-2009 |
20090049497 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a data processing method are disclosed. A time zone identifier is inserted into program table information of a broadcasting signal and the broadcasting signal is transmitted/received. The digital broadcasting system can calculate a local time of a region, in which the digital broadcasting system is located, using the time zone identifier. Accordingly, although the position of the digital broadcasting system is changed, it is possible to process the broadcasting signal related to the local time without an error. | 02-19-2009 |
20090051811 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The method includes, receiving a broadcast signal in which mobile service data and main service data are multiplexed, extracting transmission parameter signaling information and fast-information-channel signaling information from a data group contained in the received mobile service data, parsing first program table information, which describes virtual channel information and a service of an ensemble acting as a virtual channel group of the received mobile service data, using the fast-information-channel signaling information, parsing second program table information including a data chunk acting as data-broadcasting contents of the mobile service data, and providing a data broadcasting service using the data broadcasting contents of the parsed second program table information. | 02-26-2009 |
20090052521 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The method includes receiving a data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, acquiring transmission-parameter-channel signaling information including transmission parameter information of the mobile service data, and fast-information-channel signaling information, acquiring binding information describing a relationship between at least one ensemble transferring the mobile service data and a first virtual channel contained in the at least one ensemble by decoding the fast-information-channel, and acquiring status information of the first virtual channel, displaying content data contained in the mobile service data according to the binding information and the status information of the first virtual channel. | 02-26-2009 |
20090052579 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiving system and a method for controlling the same are disclosed. The method a method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, acquiring a program table, by using the IP signaling channel within an ensemble included in the received broadcast signal, and controlling the system to create a list of channels mapped with all ensembles transmitted through at least one physical frequency, by using the acquired program table. | 02-26-2009 |
20090052580 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast system and a method of processing data disclose. A receiving system of the digital broadcast system may include a baseband processor, a management processor, and a presentation processor. The baseband processor receives broadcast signals including mobile service data and main service data. The mobile service data configures a RS frame, and the RS frame includes the mobile service data and at least one type of channel setting information on the mobile service data. The management processor decodes the RS frame to acquire the mobile service data and the at least one type of channel setting information on the mobile service data, then extracts position information of an SDP message. Herein, the SDP message includes Codec information for each component in the respective virtual channel from the channel setting information, thereby accessing the SDP message from the extracted position information and gathers SDP message information. The presentation processor decodes mobile service data of a corresponding component based upon the gathered SDP message information. | 02-26-2009 |
20090052581 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a baseband processor, a management processor, and a presentation processor. The baseband processor receives broadcast signals including mobile service data and main service data. Herein, the mobile service data may configure a RS frame, which includes mobile service data and table information describing channel configuration information and IP access information of an ensemble level corresponding to the RS frame. The table information is encapsulated to a UDP/IP header. The management processor processes table information from the RS frame to acquire channel configuration information and IP access information of an ensemble level, and accesses mobile service data requested to be received from the RS frame, based upon the acquired information. The presentation processor decodes the accessed mobile service data and outputs the decoded data to a display screen and/or a speaker. | 02-26-2009 |
20090052583 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcast system and data processing method therein are disclosed. A receiving system of the digital broadcast system includes a baseband processor, a table handler, a DSM-CC handler, and a display module. The baseband processor receives a broadcast signal including mobile service data and main service data. The mobile service data configures an RS frame, and the RS frame includes the mobile service data, DSM-CC (digital storage media-command and control) data and a table describing at least one channel configuration information on the mobile service data and signaling information of the DSM-CC data. The table handler extracts the at least one channel configuration information on the mobile service data and the signaling information of the DSM-CC data by parsing the table from the RS frame. The DSM-CC handler parses the DSM-CC data from the RS frame based on the extracted signaling information of the DSM-CC data. The DSM-CC handler stores the parsed DSM-CC data. The DSM-CC handler extracts a download estimated time from the DSM-CC data, and outputs the extracted download estimated time. The display module displays the download estimated time of the DSM-CC data outputted from the DSM-CC handler on a prescribed portion of a screen. | 02-26-2009 |
20090052585 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 02-26-2009 |
20090052587 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The receiving system of the digital broadcasting system includes a baseband processor, a first handler, a second handler, and a storage unit. The baseband processor receives a broadcast signal including mobile service data and main service data. Herein, the mobile service data may configure an RS frame, and the RS frame may include the mobile service data and first signaling information of a first data type on the mobile service data. The first handler parses the first signaling information received from the RS frame, converts parsed data elements of the first data type to a second data type, and merges multiple identification information of the parsed first data type, thereby generating identification information of the second data type. The second handler receives second signaling information of the second data type on the mobile service data, the second signaling information including at least one fragment, uses the identification information of the second data type included in the first handler to search at least one fragment within the second signaling information, and maps data elements received through the searched fragment with the data elements converted to the second data type. | 02-26-2009 |
20090055864 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcast system includes a mobile service data processor, a main service data processor, a controller, and a display module. The mobile service data processor receives mobile service data through a mobile service data path. Herein, the mobile service data configures an RS frame, and the RS frame includes mobile service data including a mobile A/V broadcast signal and at least one channel configuration information on the mobile service data. The main service data processor receives main service data through a main service data path. Herein, the main service data includes a main A/V broadcast signal and a program guide information of the main A/V broadcast. The controller extracts a link information for the program guide service of the mobile A/V broadcast signal from the channel configuration information, and acquires a corresponding program guide information from the main service data processor by using the extracted link information. And, the display module outputs the program guide information acquired from the controller to a display screen. | 02-26-2009 |
20090055865 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - The present invention provides a method of processing data. The method of processing data includes receiving a broadcasting signal where mobile service data are multiplexed with main service data, extracting transmission-parameter-channel signaling information and fast-information-channel signaling information from a data group within the received mobile service data; obtaining first program table information describing virtual channel information of an ensemble and a service provided by the ensemble using the fast-information-channel signaling information, the ensemble the ensemble corresponding to a virtual channel group of the received mobile service data, obtaining information indicating that second program table information, which describes an additional service provided by the ensemble, is included in the ensemblem and parsing the second program table information according to the obtained information; and providing the additional service by using the second program table information. | 02-26-2009 |
20090055866 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The digital broadcast receiver includes a reception unit for receiving a broadcast signal which mobile service data and main service data are multiplexed, an extractor for extracting transmission parameter channel signaling information and fast information channel signaling information from a data group in the received mobile service data, an acquirer for acquiring a program table describing virtual channel information and a service of an ensemble by using the extracted fast information channel signaling information, the ensemble being a virtual channel group of the received mobile service data, a detector for detecting a descriptor defining Internet access information corresponding to the mobile service data by using the acquired program table, and a controller for controlling such that the Internet access information of the detected descriptor and the mobile service data are displayed. | 02-26-2009 |
20090055867 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - The present invention provides a data processing method includes receiving a broadcasting signal where mobile service data are multiplexed with main service data, extracting transmission-parameter-channel signaling information and fast-information-channel signaling information from a data group within the received mobile service data, parsing first program table information describing virtual channel information of an ensemble and a service provided by the ensemble using the fast-information-channel signaling information, the ensemble corresponding to a virtual channel group of the received mobile service data, obtaining permission information of broadcasting contents included in the mobile service data from the first program table information and controlling the contents included in the mobile service data in accordance with the permission information. | 02-26-2009 |
20090055871 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESSING METHOD FOR USE IN THE SAME - The present invention is directed to a digital broadcast system and a data processing method. A broadcast signal in which mobile service data and main service data are multiplexed is transmitted and received. Then, in a broadcasting receiver, the program table information describing channel information and event information of the mobile service data according to an identifier of an ensemble in which the mobile service data are multiplexed, in the received broadcast signal. And the mobile service data is outputted by using the parsed program table information. | 02-26-2009 |
20090055872 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The digital broadcast receiver includes a reception unit for receiving a broadcast signal which mobile service data and main service data are multiplexed, an extractor for extracting transmission parameter channel signaling information and fast information channel signaling information from a data group in the received mobile service data, an acquirer for acquiring a program table describing virtual channel information and a service of an ensemble, using the extracted fast information channel signaling information, the ensemble being a virtual channel group of the received mobile service data, a detector for detecting a descriptor defining additional information of an image file, using the acquired program table, and a controller for controlling such that the image file is displayed, based on the additional information of the detected descriptor. | 02-26-2009 |
20090055875 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a baseband processor, a first table handler, an audio/video processor, and a content processor. The baseband processor receives a broadcast signal including mobile and main service data. The mobile service data may configure an RS frame, and the RS frame may include mobile service data for mobile audio and/or video broadcasting, a first table describing at least one channel configuration information on the mobile service data, and a second table transmitting content for data casting service. The first table handler parses the first table from the RS frame, thereby acquiring at least one channel configuration information on the mobile service data. The audio/video processor extracts mobile service data of a mobile broadcast program requested for viewing from the RS frame, by referring to the channel configuration information of the first table handler, and decodes the extracted mobile service data, thereby outputting the decoded data to a speaker and/or a display screen. And, the content processor parses the second table from the RS frame to extract content, and processes the extracted content based upon an information associated with the extracted content. | 02-26-2009 |
20090055885 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - The present invention provides a data processing method, the data processing method including receiving a broadcasting signal where mobile service data are multiplexed with main service data, extracting transmission-parameter-channel signaling information and fast-information-channel signaling information from a data group within the received mobile service data, parsing first program table information describing virtual channel information of an ensemble and a service provided by the ensemble using the fast-information-channel signaling information, the ensemble corresponding to a virtual channel group of the received mobile service data, obtaining information representing that second program table information, which includes a descriptor describing event information of the mobile service data, is received, from the first program table information, parsing the second program table information, and storing the event information and displaying service guide information including the event information. | 02-26-2009 |
20090055886 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The digital broadcast receiver includes a reception unit for receiving a broadcast signal which mobile service data and main service data are multiplexed, an extractor for extracting transmission parameter channel signaling information and fast information channel signaling information from a data group in the received mobile service data, an acquirer for acquiring a program table describing virtual channel information and a service of an ensemble by using the extracted fast information channel signaling information, the ensemble being a virtual channel group of the received mobile service data, a detector for detecting a descriptor defining a telephone number system corresponding to the mobile service data by using the acquired program table, and a controller for controlling such that a telephone number of the telephone number system of the detected descriptor and the mobile service data are displayed. | 02-26-2009 |
20090059086 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiving system and a method for controlling the same are disclosed. The method includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, wherein the FIC signaling information includes a current/next (C/N) indicator, and wherein the TPC signaling information includes FIC version information, and detecting ensemble configuration information of a current MH frame. | 03-05-2009 |
20090060030 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a receiving unit, an SI handler, and a decoding unit. The receiving unit receives broadcast signals including mobile service data and main service data. Herein, the mobile service data may configure a data group, and the data group may include a signaling information region in some of a plurality of data regions. Also, the signaling information region may include TPC signaling data and FIC signaling data. The SI handler acquires channel configuration information of the mobile service data from the broadcast signal using pre-decided IP access information, and extracts encoding format information for each IP stream component within a corresponding virtual channel service RTP-packetized and received from the acquired channel configuration information. The decoding unit decodes the mobile service data of the corresponding IP stream component based upon the extracted encoding format information. | 03-05-2009 |
20090060044 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - The present invention provides a method of processing data in digital broadcasting system. The method includes receiving a broadcast signal including mobile broadcast service data and main broadcast service data, wherein the mobile broadcast service data configures a data group, wherein the data group is divided into a plurality of regions, wherein N number of known data sequences are inserted in some regions among the plurality of regions, and wherein a transmission parameter is inserted between a first known data sequence and a second known data sequence, among the N number of known data sequences, detecting the transmission parameter from the mobile broadcast service data, controlling power based upon the detected transmission parameter, thereby receiving a data group including requested mobile broadcast service data, extracting video data from the mobile broadcast service data and decoding the extracted video data, the decoding step comprising performing overlap smoothing on the video data and performing loop filtering on the overlap-smoothed video data. | 03-05-2009 |
20090060051 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 03-05-2009 |
20090064244 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a baseband processor, a table handler, a FLUTE handler, and a display module. The baseband processor receives a broadcast signal including mobile service data and main service data. Herein, the mobile service data may configure an RS frame. And, the RS frame may include mobile service data, file data, and a table having at least one channel configuration information on the mobile service data and estimated download time for the file data described therein. The table handler parses the table from the RS frame, thereby extracting and outputting at least one channel configuration information on the mobile service data and estimated download time information of the file data. The FLUTE handler parses the file data from the RS frame and storing the parsed data. And, the display module receives the estimated download time for the file data parsed by the FLUTE handler from the table handler, thereby displaying the estimated download time on a portion of a display screen. | 03-05-2009 |
20090064269 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The digital broadcast receiver includes a reception unit for receiving a broadcast signal which mobile service data and main service data are multiplexed, an extractor for extracting transmission parameter channel signaling information and fast information channel signaling information from a data group in the received mobile service data, an acquirer for acquiring a program table describing virtual channel information and a service of an ensemble by using the extracted fast information channel signaling information, the ensemble being a virtual channel group of the received mobile service data, a detector for detecting a descriptor defining a destination telephone number of a message service by using the acquired program table, and a controller for controlling such that the destination telephone number of the message service of the detected descriptor and the mobile service data are displayed. | 03-05-2009 |
20090067336 | BROADCAST RECEIVER AND METHOD OF PROCESSING DATA - A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a position information module, and a navigation unit. The signal receiving unit receives broadcast signal multiplexed mobile broadcast service data including traffic information and main broadcast service data. The position information module searches and generates a current position information of the broadcast receiver. The navigation unit assigns a weight to each link of a route to a destination based on the current position information received and the traffic information included in the mobile broadcast service data and searches for a bypass route based on the weighted link, and then performs route guidance using at least one of current route and the bypass route. | 03-12-2009 |
20090067548 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast system and a data processing method are disclosed. A receiving system of the digital broadcast system includes a signal receiving unit, a demodulating unit, a program table decoder, and a controller. The signal receiving unit receives a broadcast signal in which at least one parade and main service data are multiplexed, each parade including mobile service data and data of at least one section of a program table for decoding the mobile service data. The demodulating unit demodulates data of at least one parade included in the broadcast signal. The program table decoder scans at least one demodulated parade, receives each section of the program table from the scanned parade to construct a corresponding program table, and parses the constructed program table to output program table information. The controller controls decoding of the demodulated mobile service data according to the parsed program table information. | 03-12-2009 |
20090070811 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - The present invention relates to a digital broadcasting system and a processing data method thereof. The present invention includes acquiring a first ensemble providing service guide information for mobile service data from a broadcast signal in which the mobile service data and main service data are multiplexed, acquiring, from the first ensemble, first program table information including information which indicates that the first ensemble provides service guide information for a second ensemble, and decoding the first program table information and acquiring service guide information for mobile service data included in the second ensemble by using the decoded first program table information. | 03-12-2009 |
20090070848 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The receiving system of the digital broadcasting system includes a receiving unit, a main service data processor, a mobile service data processor, a controller, and an output controller. The receiving unit receives mobile service data and main service data including the same A/V broadcast signal and receives retransmission channel information. The main service data processor demodulates and error-corrects the received main service data and temporarily stores the processed data. The mobile service data processor demodulates and error-corrects the received mobile service data and temporarily stores the processed data. The controller generates and outputs a control signal based upon the received retransmission channel information and a receiving environment of the receiving system. And, the output controller selects any one of the A/V broadcast signal for the main service and the A/V broadcast signal for the mobile service based upon the control signal of the controller. | 03-12-2009 |
20090074079 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, demodulating the broadcast signal to acquire fast-information-channel signaling information including reference time information for a system clock, and outputting demodulation time information of a specific position of a frame of the broadcast signal, decoding the fast-information-channel signaling information, and establishing the reference time information as the system clock at a demodulation time according to on the outputted demodulation time information and decoding the mobile service data according to the system clock. | 03-19-2009 |
20090079878 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiver receives a broadcast signal including mobile service data and main service data. A known data detector detects known data from the broadcast signal. An equalizer performs channel equalization on the mobile service data received by means of the detected known data. An RS frame decoder acquires an RS frame from the channel-equalized mobile service data. A management processor extracts a Generic Stream Encapsulation (GSE) packet from a GSE Base Band (BB) constructing one row of the RS frame, and calculates an IP datagram from the extracted GSE packet. A presentation processor displays broadcast data using data contained in the calculated IP datagram. | 03-26-2009 |
20090080405 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. In an aspect of the present invention, the present invention provides a data processing method including receiving a broadcast signal in which main service data and mobile service data are multiplexed, demodulating the received broadcast signal, outputting demodulation time information of a specific position of a broadcast signal frame, and acquiring reference time information contained in the mobile service data frame, setting the reference time information to a system time clock at a specific time based on the demodulation time information and decoding the mobile service data according to the system time clock. | 03-26-2009 |
20090080435 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system comprises a baseband processor, a management processor and a presentation processor. The baseband processor receives a broadcast signal including mobile service data and main service data, wherein the mobile service data configure a Reed-Solomon (RS) frame. The RS frame includes at least one of the mobile service data and notification messages. The notification messages are packetized in accordance with any one of a first transport protocol and a second transport protocol. The management processor decodes the notification messages from the RS frame in accordance with any one of the first transport protocol and the second transport protocol. The presentation processor directly outputs the decoded notification messages to an output unit in accordance with a channel which transmits the decoded notification messages, or outputs the decoded notification messages to the output unit only if a user selects the notification messages. | 03-26-2009 |
20090080507 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiver receives a broadcast signal including mobile service data and main service data. A known data detector detects known data from the broadcast signal. An equalizer performs channel equalization on the mobile service data received by means of the detected known data. A RS frame decoder acquires a RS frame from the channel-equalized mobile service data. A management processor checks a TP header contained in the RS frame, and identifies which data is contained in the RS frame. MH presentation processor displays the data contained in the RS frame. | 03-26-2009 |
20090080572 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting TPC signaling information and FIC signaling information from a data group in the received mobile service data, acquiring a program table describing virtual channel information and a service of an ensemble, using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, detecting a conditional access descriptor indicating whether the mobile service data was encrypted, using the acquired program table, and controlling such that the encrypted mobile service data is decrypted, using information of the detected conditional access descriptor. | 03-26-2009 |
20090080573 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A reception system and a method for processing data in the reception system are disclosed. The reception system includes a baseband processor receiving a broadcasting signal including mobile service data and main service data, the mobile service data including first service data and second service data having a format different from that of the first service data, the second service data configuring a Reed Solomon (RS) frame, and the RS frame including a table which describes the second service data and signaling information of the second service data, a table handler parsing the table from the RS frame and extracting the signaling information of the second service data, and service handlers parsing the second service data from the RS frame on the basis of the extracted signaling information of the second service data. Accordingly, it is possible to transmit/receive service data having a format different from that of the existing method in a single MH system. | 03-26-2009 |
20090080574 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group in the received mobile service data, acquiring control data required to decrypt an encrypted service included in an ensemble by using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, and controlling such that the encrypted service is decrypted by using the acquired control data. | 03-26-2009 |
20090083606 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A receiving system and data processing method therein are disclosed, by which mobile service data is received and processed. The present invention includes a demodulator receiving a broadcast signal including mobile service data and main service data, the demodulator converting the received broadcast signal to a baseband signal, the mobile service data configuring a data group, the data group including a plurality of know data sequences, a known data detector detecting a location of at least one of the known data sequence within the data group, the known data detector outputting detected known data location information, an equalizer channel-equalizing the demodulated mobile service data using the detected known data location information, and a signaling decoder reconstructing transmission parameter channel (TPC) data and fast information channel (FIC) data received by being included in a signaling information area allocated between a first known data sequence and a second known data sequence among a plurality of the known data sequences. | 03-26-2009 |
20090083785 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and method of processing data therein are disclosed. A receiving system of the digital broadcasting system includes a baseband processor unit receiving a broadcast signal including mobile service data and main service data, the mobile service data configuring an RS frame, the RS frame including the mobile service data and at least one signaling information data describing rating information of the mobile service data, a management processor unit obtaining the rating information of the mobile service data by parsing the signaling information data from the RS frame, the management processor unit determining a presence or non-presence of a viewing restriction by comparing the obtained rating information of the mobile service data to viewing restriction rating information set by a user, and a presentation processor unit blocking the mobile service data if the viewing restriction of the mobile service data is determined. | 03-26-2009 |
20090083795 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method of the digital broadcast receiver includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting TPC signaling information and FIC signaling information from a data group in the received mobile service data, acquiring a program table defining a mapping relation between each of all ensembles transmitted at a physical frequency and at least one virtual channel corresponding to the ensemble, using the extracted FIC signaling information, and detecting IP address information required for channel tuning to the at least one virtual channel corresponding to the ensemble, using the acquired program table. | 03-26-2009 |
20090089836 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The digital broadcast receiving system includes a baseband processor, a management processor, and a presentation processor. The baseband processor receives a broadcast signal including mobile service data and main service data. Herein, the mobile service data configure a Reed-Solomon (RS) frame, and the RS frame includes mobile service data and at least one channel configuration information on the mobile service data. The management processor acquires simple guide information on at least one of a current program and a next program of a corresponding channel from the channel configuration information and stores the acquired simple guide information. The presentation processor receives simple guide information of any one of the current program and the next program, wherein the programs are provided as mobile service through a user-selected channel, from the management processor and displays the received simple guide information on a portion of a display screen of the corresponding channel. | 04-02-2009 |
20090097429 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service. | 04-16-2009 |
20090103632 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD IN DIGITAL BROADCASTING SYSTEM - A receiving system and a data processing method for receiving and processing mobile service data are disclosed. The receiving system comprises a demodulating unit, a block decoder, a controller, and an RS frame decoder. The demodulating unit receives a broadcast signal including mobile service data and main service data and converts the received broadcast signal to a baseband broadcast signal. The mobile service data configure at least one of a primary RS frame and a secondary RS frame. The block decoder performs turbo decoding of a SCCC block unit for mobile service data within the baseband broadcast signal based on SCCC-related information. The controller generates a control signal for RS frame decoding with reference to at least one of SCCC block mode information, RS frame mode information, and user's input. The RS frame decoder configures at least one of a primary RS frame and a secondary RS frame using the mobile service data output from the block decoder in accordance with the control signal and performs error correction decoding for corresponding RS frame with reference to reliability information of each mobile service data byte within the configured RS frame. | 04-23-2009 |
20090125940 | METHOD FOR CONTROLLING ELECTRONIC PROGRAM INFORMATION AND APPARATUS FOR RECEIVING THE ELECTRONIC PROGRAM INFORMATION - A data transmission system for minimizing the number of errors during Tx/Rx times of digital data under mobile environments, and a data processing method for the same are disclosed. The system additionally codes digital data, and transmits the resultant coded data. As a result, the program information has a strong resistance to noise and channel variation, and can quickly cope with the rapid channel variation. | 05-14-2009 |
20090129504 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - The present invention provides a data processing method. The data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, acquiring transmission-parameter-channel signaling information including transmission parameter information of the mobile service data, and fast-information-channel signaling information, acquiring binding information describing a relationship between at least one ensemble transferring the mobile service data and a first virtual channel contained in any of the at least one ensemble by decoding fast-information-channel signaling information, acquiring ensemble identification information transferring the first virtual channel using the binding information, and receiving at least one mobile service data group transferring an ensemble according to the ensemble identification information, parsing service table information contained in the ensemble and decoding content data contained in the first virtual channel using the parsed service table information, and displaying the decoded content data. | 05-21-2009 |
20090129509 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A receiving system and data processing method therein are disclosed, by which mobile service data is received and processed. The receiving system comprises a tuner, a filter, an IQ mismatch processor, a gain controller and a demodulator. The tuner tunes radio frequency (RF) signals of a specific channel which includes mobile service data and main service data, converts the tuned RF signals into zero IF signals and outputs the converted zero IF signals. The filter performs low pass filtering for the zero IF signals output from the tuner. The IQ mismatch processor estimates and compensates IQ mismatch generated in the zero IF signals filtered by the filter. The gain controller controls gain of the zero IF signals by estimating a gain error of the zero IF signals output from the IQ mismatch processor. The demodulator performs carrier recovery and timing recovery by receiving the zero IF signals output from the gain controller. | 05-21-2009 |
20090138913 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method of the digital broadcast receiver includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group in the received mobile service data, acquiring a program table describing virtual channel information and a service of an ensemble, which is a virtual channel group of the received mobile service data, using the extracted FIC signaling information, selectively detecting a first message descriptor mapped with time information or a second message descriptor not mapped with time information, using the acquired program table, performing a control operation to display a message defined in the detected message descriptor. | 05-28-2009 |
20090175218 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESSING METHOD FOR USE IN THE SAME - A digital broadcast system having storing resistance to errors generated during the transmission of mobile service data, and a data processing method are disclosed. The digital broadcast system additionally encodes mobile service data. As a result, the mobile service data has strong resistance to a channel variation and noise, and at the same time the system can quickly cope with the channel variation. | 07-09-2009 |
20090180571 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and method of processing data are disclosed. Herein, a transmitting system within the digital broadcasting system includes a byte-symbol converter, an interleaving unit, a block formatter, and a trellis encoding module. Herein, the byte-symbol converter converts inputted mobile service data to symbol units. The interleaving unit is provided with (N−1) number of block interleavers in parallel, and interleaves the symbols outputted from the byte-symbol converter. The block formatter controls output orders of the mobile service data being inputted and data being outputted from each block interleaver within the interleaving unit. The trellis encoding module is provided with a plurality of trellis encoders in parallel, and enables each trellis encoder trellis-encode the mobile service data. | 07-16-2009 |
20090207908 | DIGITAL BROADCAST SYSTEM AND DATA PROCESSING METHOD - A digital broadcast system and a data processing method are disclosed. A data processing method of a digital broadcast transmission system includes delaying a reference time of a program clock reference (PCR) based on a size of mobile service data, when processing a broadcasting signal including main service data and the mobile service data, verifying a transport stream system target decoder (T-STD) model based on the PCR of the delayed reference time, and storing a packet of the main service data in an auxiliary buffer, when overflow of a buffer in the T-STD model is estimated as the verification result of the T-STD model. | 08-20-2009 |
20090252253 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and method of processing data therein are disclosed. The present invention includes a baseband processor unit receiving a broadcast signal including mobile service data and main service data, wherein the mobile service data can configure an RS frame and wherein the RS frame includes at least one of the mobile service data and a notification message and at least one of a first signaling information describing signaling information of a virtual channel for transmitting the mobile service data and a second signaling information describing signaling information on a notification channel for transmitting the notification message, a management processor unit accessing the notification message by parsing the second signaling information from the RS frame, the management processor unit processing the accessed notification message, the management processor unit storing the processed notification message in a storage device, and a presentation processor unit outputting the processes notification message to an output device. | 10-08-2009 |
20090262679 | BROADCASTING SIGNAL RECEIVER AND METHOD FOR TRANSMITTING/RECEIVING BROADCASTING SIGNAL - A broadcasting signal receiver and a method for transmitting/receiving a broadcasting signal are disclosed. An identifier of a cell is set in the broadcasting signal and, if the cell is changed, channel information of the changed cell can be obtained from program table information having the channel information of the cell. Accordingly, the broadcasting signal receiver can continuously output a program although the cell is changed. | 10-22-2009 |
20090323683 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 12-31-2009 |
20100007785 | VSB TRANSMISSION SYSTEM - A vestigial sideband (VSB) modulation transmission system and a method for encoding an input signal in the system are disclosed. According to the present invention, the VSB transmission system includes a convolutional encoder for encoding an input signal, a trellis-coded modulation (TCM) encoder for encoding the convolutionally encoded signal, and a signal mapper mapping the trellis-coded signal to generate a corresponding output signal. Different types of the convolutional encoders are explored, and the experimental results showing the performances of the VSB systems incorporating each type of encoders reveals that a reliable data transmission can be achieved even at a lower input signal to noise ratio when a convolutional encoder is used as an error-correcting encoder in a VSB system. | 01-14-2010 |
20100017689 | VSB TRANSMISSION SYSTEM - A vestigial sideband (VSB) modulation transmission system and a method for encoding an input signal in the system are disclosed. According to the present invention, the VSB transmission system includes a convolutional encoder for encoding an input signal, a trellis-coded modulation (TCM) encoder for encoding the convolutionally encoded signal, and a signal mapper mapping the trellis-coded signal to generate a corresponding output signal. Different types of the convolutional encoders are explored, and the experimental results showing the performances of the VSB systems incorporating each type of encoders reveals that a reliable data transmission can be achieved even at a lower input signal to noise ratio when a convolutional encoder is used as an error-correcting encoder in a VSB system. | 01-21-2010 |
20100050047 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a receiving unit, a demodulator, an equalizer, a block decoder, and a RS frame decoder. The receiving unit receives a broadcast signal including mobile service data and main service data. The mobile service data may configure a RS frame. The RS frame includes at least one data packet for the mobile service data, RS parity generated based on the at least one data packet, and CRC checksum generated based on the at least one data packet and the RS parity. The demodulator converts RS frame data included in the broadcast signal received by the receiving unit into a baseband RS frame data. The equalizer performs channel equalization on the data demodulated by the demodulator. The block decoder performs symbol-decoding on the data channel-equalized by the equalizer in block units. The RS frame decoder performs CRC-decoding and RS-decoding on the decoded mobile service data in RS frame units, thereby correcting errors occurred in the mobile service data within the RS frame. | 02-25-2010 |
20100050051 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING DATA IN THE TRANSMITTING/RECEIVING SYSTEM - A receiving system and a data processing method are disclosed. The receiving system includes a signal receiving unit, an FIC handler, a manager, and a decoding unit. The signal receiving unit receives multiple Reed-Solomon (RS) frames comprising desired mobile service data for multiple ensembles and fast information channel (FIC) data including an indicator field, wherein the indicator field indicates whether or not the desired mobile service data are delivered through the multiple ensembles. The FIC handler obtains the indicator field from the FIC data. The manager determines at least one ensemble based upon the indicator field. And, the decoding unit decodes IP streams of the desired mobile service data from the RS frame of the determined ensemble. | 02-25-2010 |
20100058429 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL IN TRANSMITTING/RECEIVING SYSTEM - A receiving system and a method of processing broadcast signal. The receiving system includes a signal receiving unit, an equalizer, a block decoder, and an RS frame decoder. The signal receiving unit receives and demodulates a broadcast signal. The equalizer channel-equalizes a data group included in the demodulated broadcast signal. The block decoder performs turbo-decoding on mobile service data of the channel-equalized data group. And, the RS frame decoder determines a number of CRC errors of an RS frame including the turbo-decoded mobile service data, generates a reliability map including reliability information corresponding to each data byte of the RS frame. Herein, the reliability information is set-up as a soft value. Also, for each column, when the number of the determined CRC errors is greater than a number of RS parity bytes of the RS frame, the RS frame decoder sets a predetermined number of erasure points in the corresponding data bytes starting from the lowest reliability value for the corresponding column, and performs RS-erasure decoding on the column. | 03-04-2010 |
20100061476 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 03-11-2010 |
20100061491 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL IN TRANSMITTING/RECEIVING SYSTEM - A receiving system and a method of processing broadcast signal. The receiving system includes a signal receiving unit, an equalizer, a turbo decoder, a demultiplexer, first and second error correctors, and a block interleaver. The signal receiving unit receives a broadcast signal, the broadcast signal comprising a data group, which includes mobile service data, a plurality of known data sequences, and signaling data, and demodulating the received broadcast signal. The equalizer channel-equalizes the data group using at least one of the plurality of known data sequences. The turbo decoder turbo-decodes the signaling data contained in the channel-equalized data group. The demultiplexer distinguishes transmission parameter channel (TPC) data and fast information channel (FIC) data from the turbo-decoded signaling data. The first error corrector corrects an error in the TPC data. The block deinterleaver block-deinterleaves the FIC data. The second error corrector corrects an error in the block-deinterleaved FIC data. | 03-11-2010 |
20100064323 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - The present invention relates to a digital broadcasting system and a processing data method thereof. The present invention includes acquiring a first ensemble providing service guide information for mobile service data from a broadcast signal in which the mobile service data and main service data are multiplexed, acquiring, from the first ensemble, first program table information including information which indicates that the first ensemble provides service guide information for a second ensemble, and decoding the first program table information and acquiring service guide information for mobile service data included in the second ensemble by using the decoded first program table information. | 03-11-2010 |
20100067548 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The receiving system of the digital broadcasting system includes a baseband processor, a first handler, a second handler, and a storage unit. The baseband processor receives a broadcast signal including mobile service data and main service data. Herein, the mobile service data may configure an RS frame, and the RS frame may include the mobile service data and first signaling information of a first data type on the mobile service data. The first handler parses the first signaling information received from the RS frame, converts parsed data elements of the first data type to a second data type, and merges multiple identification information of the parsed first data type, thereby generating identification information of the second data type. The second handler receives second signaling information of the second data type on the mobile service data, the second signaling information including at least one fragment, uses the identification information of the second data type included in the first handler to search at least one fragment within the second signaling information, and maps data elements received through the searched fragment with the data elements converted to the second data type. | 03-18-2010 |
20100073570 | VSB RECEPTION SYSTEM WITH ENHANCED SIGNAL DETECTION FOR PROCESSING SUPPLEMENTAL DATA - A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance. | 03-25-2010 |
20100073571 | VSB RECEPTION SYSTEM WITH ENHANCED SIGNAL DETECTION FOR PROCESSING SUPPLEMENTAL DATA - A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance. | 03-25-2010 |
20100073575 | VSB RECEPTION SYSTEM WITH ENHANCED SIGNAL DETECTION FOR PROCESSING SUPPLEMENTAL DATA - A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance. | 03-25-2010 |
20100073576 | VSB RECEPTION SYSTEM WITH ENHANCED SIGNAL DETECTION FOR PROCESSING SUPPLEMENTAL DATA - A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance. | 03-25-2010 |
20100091838 | DIGITAL TELEVISION TRANSMITTER/RECEIVER AND METHOD OF PROCESSING DATA IN DIGITAL TELEVISION TRANSMITTER/RECEIVER - A digital television (DTV) transmitter and a method of coding data in the DTV transmitter are disclosed. A data formatter generates an enhanced data packet including the enhanced data and a known data sequence. A data randomizer randomizes the enhanced data packet. A RS encoder RS-codes the randomized data packet by adding first parity data, and a data interleaver interleaves the RS-coded data packet. A trellis encoding unit trellis-encodes the interleaved data packet. Herein the trellis encoding unit includes a TCM encoder for generating a first output bit by trellis-encoding a first input bit and generating a second output bit by bypassing the first input bit, and a pre-coder for generating a third output bit by pre-coding a second input bit, wherein memories included in the TCM encoder and the pre-coder are initialized when the known data sequence is inputted to the trellis encoding unit. | 04-15-2010 |
20100118207 | METHOD FOR TRANSMITTING/RECEIVING BROADCASTING SIGNAL AND BROADCASTING SIGNAL RECEIVER - A method for transmitting/receiving a broadcasting signal and a broadcasting signal receiver are disclosed. An identifier of a burst period is obtained from program table information of the broadcasting signal including mobile data and only the burst period in which a broadcasting program desired by a user is transmitted is received. Accordingly, when the broadcasting signal is received, only a desired burst period is received such that power consumption of the broadcasting signal receiver can be reduced. | 05-13-2010 |
20100122126 | VSB COMMUNICATION SYSTEM - A VSB communication system comprises a VSB transmission system and a VSB reception system. The VSB transmission system multiplexes a coded MPEG data and a coded supplemental data having a null sequence inserted therein, with required multiplexing information included in a field synchronization signal or in a supplemental data according to a number of the supplemental data packets being transmitted. The VSB reception system detects the required multiplexing information from the field synchronization signal or the supplemental data and decodes the multiplexed data by using the null sequence and the detected multiplexing information, as well as demultiplexes the multiplexed data into the MPEG data and the supplemental data. | 05-13-2010 |
20100122144 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL IN TRANSMITTING/RECEIVING SYSTEM - A receiving system and a method of processing broadcast signal are disclosed herein. The receiving system includes a signal receiving unit, a signaling decoder, a block decoder, and an RS frame decoder. When a parade change command ordering parade change from a first parade to a second parade is generated, the signal receiving unit receives a broadcast signal including data groups of the second parade starting from a generation point of the parade change command. The signaling decoder decodes signaling information included in the data groups and outputting RS frame-related information. The block decoder performs turbo-decoding in block units on data of a portion included in the data groups. And the RS frame decoder inserts null data in data positions of a portion included in non-received data group within an RS frame of the second parade, while configuring the RS frame of the second parade by collecting data of the turbo-decoded portions based upon the RS frame-related information. The RS frame decoder also performs CRC-decoding by indicating the existence of errors on CRC error flags of each row including the null data within the RS frame, and performs RS-decoding on the CRC-decoded RS frame. | 05-13-2010 |
20100125773 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiving system and a method for controlling the same are disclosed. The method includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, wherein the FIC signaling information includes a current/next (C/N) indicator, and wherein the TPC signaling information includes FIC version information, and detecting ensemble configuration information of a current MH frame. | 05-20-2010 |
20100131820 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA THEREOF - A digital broadcasting system and data processing method are disclosed, which are highly resistant to channel changes and noise. The present invention includes receiving a broadcast signal having mobile service data and main service data multiplexed with each other from at least one parade, demodulating the broadcast signal, acquiring program table information describing at least one service included in at least one ensemble from the demodulated broadcast signal and decoding the mobile service data associated with a first service using a program table information transport unit in the acquired program table information. | 05-27-2010 |
20100131823 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESSING METHOD FOR USE IN THE SAME - A digital broadcast system having storing resistance to errors generated during the transmission of mobile service data, and a data processing method are disclosed. The digital broadcast system additionally encodes mobile service data. As a result, the mobile service data has strong resistance to a channel variation and noise, and at the same time the system can quickly cope with the channel variation. | 05-27-2010 |
20100135322 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and method of processing data therein are disclosed. A receiving system of the digital broadcasting system includes a baseband processor unit receiving a broadcast signal including mobile service data and main service data, the mobile service data configuring an RS frame, the RS frame including the mobile service data and at least one signaling information data describing rating information of the mobile service data, a management processor unit obtaining the rating information of the mobile service data by parsing the signaling information data from the RS frame, the management processor unit determining a presence or non-presence of a viewing restriction by comparing the obtained rating information of the mobile service data to viewing restriction rating information set by a user, and a presentation processor unit blocking the mobile service data if the viewing restriction of the mobile service data is determined. | 06-03-2010 |
20100135375 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL IN TRANSMITTING/RECEIVING SYSTEM - A receiving system and a method of processing broadcast signal are disclosed herein. The receiving system includes a signal receiving unit, a detector, and a channel equalizer. The signal receiving unit receives a broadcast signal including mobile service data and a data group including N number of training sequences. The detector detects N number of training sequences from the broadcast signal (wherein N≧ | 06-03-2010 |
20100138727 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A reception system and a method for processing data in the reception system are disclosed. The reception system includes a baseband processor receiving a broadcasting signal including mobile service data and main service data, the mobile service data including first service data and second service data having a format different from that of the first service data, the second service data configuring a Reed Solomon (RS) frame, and the RS frame including a table which describes the second service data and signaling information of the second service data, a table handler parsing the table from the RS frame and extracting the signaling information of the second service data, and service handlers parsing the second service data from the RS frame on the basis of the extracted signaling information of the second service data. Accordingly, it is possible to transmit/receive service data having a format different from that of the existing method in a single MH system. | 06-03-2010 |
20100142558 | Method of processing traffic information and digital broadcast system - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 06-10-2010 |
20100142608 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL IN TRANSMITTING/RECEIVING SYSTEM - A receiving system and a method of processing broadcast signal are disclosed herein. The receiving system includes a signal receiving unit, a known sequence detector, a channel equalizer, a block decoder, and an error correction unit. The signal receiving unit receives a broadcast signal, which includes mobile service data and a data group including multiple known data sequences. The known sequence detector detects the multiple of known data sequences from the broadcast signal. The channel equalizer repeats a process of updating equalization coefficients and filtering as many times as a pre-determined number of iterations, based upon the detected known data sequences, so as to converge the equalization coefficient. Then, the channel equalizer interpolates or extrapolates using the converged equalization coefficients, thereby channel-equalizing the mobile service data. The block decoder performs turbo-decoding in block units on the channel-equalized mobile service data. And, the error correction unit performs error correction decoding on the decoded mobile service data, thereby correcting an error occurred in the mobile service data. | 06-10-2010 |
20100146370 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A receiving system and data processing method therein are disclosed, by which mobile service data is received and processed. The present invention includes a demodulator receiving a broadcast signal including mobile service data and main service data, the demodulator converting the received broadcast signal to a baseband signal, the mobile service data configuring a data group, the data group including a plurality of know data sequences, a known data detector detecting a location of at least one of the known data sequence within the data group, the known data detector outputting detected known data location information, an equalizer channel-equalizing the demodulated mobile service data using the detected known data location information, and a signaling decoder reconstructing transmission parameter channel (TPC) data and fast information channel (FIC) data received by being included in a signaling information area allocated between a first known data sequence and a second known data sequence among a plurality of the known data sequences. | 06-10-2010 |
20100150015 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL IN TRANSMITTING/RECEIVING SYSTEM - A receiving system and a method of processing broadcast signal are disclosed herein. The receiving system includes N number of antennae, N number of demodulators, N number of known sequence detectors, and an equalizer. The N number of antennae each receives a broadcast signal including mobile service data and known data sequences. The N number of demodulators demodulates the broadcast signal received by the corresponding antenna. The N number of known sequence detectors detects known data sequences from the broadcast signal received by the corresponding antenna. The equalizer estimates a channel impulse response (CIR) of a broadcast signal received and demodulated by each antenna based upon each known data sequence detected by the N number of known sequence detectors, calculates an equalization coefficient of the broadcast signal received and demodulated by each antenna based upon at least one of the estimated CIRs, so as to compensate channel distortion of the broadcast signal received and demodulated by each antenna, and combines at least one or more distortion-compensated broadcast signal, thereby finally outputting the combined signal. | 06-17-2010 |
20100158156 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A method includes performing Reed Solomon (RS) and Cyclic Redundancy Check encoding on mobile data and a table including access information of the data and information identifying a stream where data decryption keys are obtained, thereby forming an RS frame, which is divided into groups. Each group includes a portion of the RS frame data, known data sequences, fast information channel (FIC) data, and transmission parameter channel (TPC) data. The FIC data includes information for rapid mobile service acquisition. The TPC data includes information for indicating an FIC data update. A broadcast signal including the groups is transmitted. The RS frame size is L (rows)×N (column size of the RS frame) bytes. Each row has an M-byte header, leaving the remainder available for data. Data in the rows are packed into the rows end-to-end, with possible wrapping around at the end of each row to the next row. | 06-24-2010 |
20100166108 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The digital broadcast receiving system includes a baseband processor, a management processor, and a presentation processor. The baseband processor receives a broadcast signal including mobile service data and main service data. Herein, the mobile service data configure a Reed-Solomon (RS) frame, and the RS frame includes mobile service data and at least one channel configuration information on the mobile service data. The management processor acquires simple guide information on at least one of a current program and a next program of a corresponding channel from the channel configuration information and stores the acquired simple guide information. The presentation processor receives simple guide information of any one of the current program and the next program, wherein the programs are provided as mobile service through a user-selected channel, from the management processor and displays the received simple guide information on a portion of a display screen of the corresponding channel. | 07-01-2010 |
20100172327 | METHOD FOR RECEIVING BROADCASTING SIGNAL AND BROADCASTING RECEIVER - A method for receiving a broadcasting signal and a broadcasting signal receiver are disclosed. Even when a cell is changed while an emergency alert is output, the emergency alert can be continuously output using emergency alert table information included in the broadcasting signal and channel information of the cell. The emergency alert table information may include a cell identifier and the channel information of the cell may include virtual channel information of the cell. | 07-08-2010 |
20100172377 | Method of processing traffic information and digital broadcast system - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 07-08-2010 |
20100180294 | METHOD FOR RECEIVING BROADCASTING SIGNAL AND BROADCASTING RECEIVER - A method for receiving a broadcasting signal and a broadcasting signal receiver are disclosed. Even when a cell is changed while an emergency alert is output, the emergency alert can be continuously output using emergency alert table information included in the broadcasting signal and channel information of the cell. The emergency alert table information may include a cell identifier and the channel information of the cell may include virtual channel information of the cell. | 07-15-2010 |
20100185920 | DIGITAL BROADCAST SYSTEM, AND DATA PROCESSING METHOD - A digital broadcast system having storing resistance to errors generated during the transmission of mobile service data, and a data processing method are disclosed. The digital broadcast system additionally encodes mobile service data. As a result, the mobile service data has strong resistance to a channel variation and noise, and at the same time the system can quickly cope with the channel variation. | 07-22-2010 |
20100195762 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system comprises a baseband processor, a management processor and a presentation processor. The baseband processor receives a broadcast signal including mobile service data and main service data, wherein the mobile service data configure a Reed-Solomon (RS) frame. The RS frame includes at least one of the mobile service data and notification messages. The notification messages are packetized in accordance with any one of a first transport protocol and a second transport protocol. The management processor decodes the notification messages from the RS frame in accordance with any one of the first transport protocol and the second transport protocol. The presentation processor directly outputs the decoded notification messages to an output unit in accordance with a channel which transmits the decoded notification messages, or outputs the decoded notification messages to the output unit only if a user selects the notification messages. | 08-05-2010 |
20100201872 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A service multiplexer of a digital broadcasting system includes a null data generator, a mobile service multiplexer, a main service multiplexer, and a multiplexer. The null data generator may generate null data. The mobile service multiplexer may multiplex and output compression encoded mobile service data, additional data for a mobile service, and null data at a pre-determined first data rate. The main service multiplexer may multiplex and output compression encoded main service data and additional data for a main service at a pre-determined second data rate. The multiplexer may multiplex the output data of the main service multiplexer and the output data of the mobile service multiplexer at a pre-determined third data rate and transmitting the multiplexed data to at least one transmitter located at a remote position. | 08-12-2010 |
20100205507 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESING METHOD FOR USE IN THE SAME - The present invention is directed to a digital broadcast system and a data processing method. A broadcast signal in which mobile service data and main service data are multiplexed is transmitted and received. Then, in a broadcasting receiver, the program table information including information about a service or a program of an ensemble is parsed according to an identifier of the ensemble in which the mobile service data are multiplexed, in the received broadcast signal. And a mobile service is outputted by using the mobile service data and the parsed program table information. | 08-12-2010 |
20100205512 | DIGITAL TELEVISION TRANSMITTER/RECEIVER AND METHOD OF PROCESSING DATA IN DIGITAL TELEVISION TRANSMITTER/RECEIVER - A digital television (DTV) transmitter/receiver and a method of processing data in the DTV transmitter/receiver are disclosed. In the DTV transmitter, a pre-processor pre-processes the enhanced, data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data. A data formatter generates enhanced data packets including the pre-processed enhanced data and inserts known data to at least one of the enhanced data packets. A first multiplexer multiplexes the enhanced data packets with main data packets including the main data. And, an RS encoder RS-codes the multiplexed main and enhanced data packets, the RS encoder adding systematic parity data to each main data packet and adding RS parity plate holders to each enhanced data packet. Herein, the RS encoder may insert non-systematic RS parity data or null data into the RS parity place holders included in each enhanced data packet. | 08-12-2010 |
20100206749 | METHOD FOR CORRECTED ERRONEOUS RESULTS OF MEASUREMENT IN BIOSENSORS AND APPARATUS USING THE SAME - Disclosed herein is a method of correcting erroneous measurement results in a biosensor. The method includes the steps of: (a) applying a first voltage from a voltage generator | 08-19-2010 |
20100211850 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method of the digital broadcast receiver includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group in the received mobile service data, acquiring a program table describing virtual channel information and a service of an ensemble, which is a virtual channel group of the received mobile service data, using the extracted FIC signaling information, selectively detecting a first message descriptor mapped with time information or a second message descriptor not mapped with time information, using the acquired program table, performing a control operation to display a message defined in the detected message descriptor. | 08-19-2010 |
20100211855 | DTV TRANSMITTER AND METHOD OF CODING DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor which pre-processes enhanced data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data, a data formatter which generates enhanced data packets having the pre-processed enhanced data and known data, and a multiplexer which multiplexes the enhanced data packets with main data packets. The DTV transmitter further includes an RS encoder which adds systematic parity data to each main data packet and adds RS parity place holders to each enhanced data packet, and a data interleaver which interleaves the RS-coded main and enhanced data packets and outputs a group of interleaved data packets having a head, a body, and a tail. The body includes a plurality of consecutive enhanced data packets, to which a known data sequence is periodically inserted. | 08-19-2010 |
20100211973 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service. | 08-19-2010 |
20100215059 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 08-26-2010 |
20100218069 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A digital television (DTV) receiving system includes a tuner, a demodulator, a known data detector, an equalizer, a transmission detector, and a block decoder. The tuner receives a DTV signal having a data frame in which main and mobile service data are multiplexed. The demodulator demodulates the DTV signal, and the known data detector detects known data included in the mobile service data. The equalizer equalizes the demodulated DTV signal using the detected known data, and the transmission parameter detector detects an error correction mode from the equalized DTV signal. Finally, the block decoder decodes the equalized DTV signal for error correction using the detected error correction mode. | 08-26-2010 |
20100220240 | DIGITAL TELEVISION TRANSMITTER AND METHOD OF CODING DATA IN DIGITAL TELEVISION TRANSMITTER - A pre-processor pre-processes enhanced data packets by coding the enhanced data packets for forward error correction (FEC) and expanding the FEC-coded data packets. A data formatter adds first null data into first place holders within each pre-processed enhanced data packet. A first multiplexer multiplexes the main data packets with the enhanced data packets having the first null data. A holder inserter inserts second null data into second place holders within an enhanced data packet outputted from the first multiplexer. A data interleaver replaces the second null data with parity data. A data generator generates at least one known data sequence. A symbol processor replaces the first null data included in an output of the data interleaver with the known data sequence(s). A non-systematic RS encoder generates the parity data by performing non-systematic RS-coding on an output of the symbol processor, and provides the parity data to the data interleaver. | 09-02-2010 |
20100223536 | DTV TRANSMITTING SYSTEM AND METHOD OF PROCESSING DATA IN DTV TRANSMITTING SYSTEM - A DTV transmitting system includes two pre-processors. The first pre-processor codes high-priority enhanced data for forward error correction (FEC) and expands the FEC-coded data. The second pre-processor codes low-priority enhanced data for FEC and expands the FEC-coded low-priority enhanced data. The DTV transmitting system further includes a data formatter generating enhanced data packets including the pre-processed data, a multiplexer multiplexing the enhanced data packets with main data packets, an RS encoder RS-coding the multiplexed data packets, a data interleaver interleaving the RS-coded data packets, and a block processor which codes each block of enhanced data in the interleaved enhanced data packets and bypasses the interleaved main data packets. | 09-02-2010 |
20100223652 | DIGITAL TELEVISION TRANSMITTER AND METHOD OF CODING DATA IN DIGITAL TELEVISION TRANSMITTER - A pre-processor pre-processes enhanced data packets by coding the enhanced data packets for forward error correction (FEC) and expanding the FEC-coded data packets. A data formatter adds first null data into first place holders within each pre-processed enhanced data packet. A first multiplexer multiplexes the main data packets with the enhanced data packets having the first null data. A holder inserter inserts second null data into second place holders within an enhanced data packet outputted from the first multiplexer. A data interleaver replaces the second null data with parity data. A data generator generates at least one known data sequence. A symbol processor replaces the first null data included in an output of the data interleaver with the known data sequence(s). A non-systematic RS encoder generates the parity data by performing non-systematic RS-coding on an output of the symbol processor, and provides the parity data to the data interleaver. | 09-02-2010 |
20100226392 | DTV TRANSMITTING SYSTEM AND METHOD OF PROCESSING DATA IN DTV TRANSMITTING SYSTEM - A DTV transmitting system includes two pre-processors. The first pre-processor codes high-priority enhanced data for forward error correction (FEC) and expands the FEC-coded data. The second pre-processor codes low-priority enhanced data for FEC and expands the FEC-coded low-priority enhanced data. The DTV transmitting system further includes a data formatter generating enhanced data packets including the pre-processed data, a multiplexer multiplexing the enhanced data packets with main data packets, an RS encoder RS-coding the multiplexed data packets, a data interleaver interleaving the RS-coded data packets, and a block processor which codes each block of enhanced data in the interleaved enhanced data packets and bypasses the interleaved main data packets. | 09-09-2010 |
20100229213 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 09-09-2010 |
20100232341 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 09-16-2010 |
20100232456 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 09-16-2010 |
20100232545 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 09-16-2010 |
20100254318 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. In an aspect of the present invention, the present invention provides a data processing method including receiving a broadcast signal in which main service data and mobile service data are multiplexed, demodulating the received broadcast signal, outputting demodulation time information of a specific position of a broadcast signal frame, and acquiring reference time information contained in the mobile service data frame, setting the reference time information to a system time clock at a specific time based on the demodulation time information and decoding the mobile service data according to the system time clock. | 10-07-2010 |
20100260286 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a baseband processor, a management processor, and a presentation processor. The baseband processor receives broadcast signals including mobile service data and main service data. Herein, the mobile service data may configure a RS frame, which includes mobile service data and table information describing channel configuration information and IP access information of an ensemble level corresponding to the RS frame. The table information is encapsulated to a UDP/IP header. The management processor processes table information from the RS frame to acquire channel configuration information and IP access information of an ensemble level, and accesses mobile service data requested to be received from the RS frame, based upon the acquired information. The presentation processor decodes the accessed mobile service data and outputs the decoded data to a display screen and/or a speaker. | 10-14-2010 |
20100269013 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital receiving system, and a method of processing data are disclosed. The digital receiving system includes a receiving unit, a known sequence detector, and a channel equalizer. The receiving unit receives a broadcast signal including mobile service data and main service data. The known sequence detector detects known data linearly inserted in a data group. The channel equalizer performs channel-equalizing on the received mobile service data using the detected known data. | 10-21-2010 |
20100275095 | DIGITAL TELEVISION SYSTEM - Disclosed is a digital television system carrying out modulation/demodulation by VSB (vestigial side band). A VSB transmitter includes an additional error correction encoder designed in a manner that a signal mapping of a TCM encoder is considered, a multiplexer (MUX), a TCM encoder operating in a manner corresponding to state transition processes of the additional error correction encoder, and a signal transmission part including an RF converter. And, A VSB receiver includes a signal receiver part receiving a signal transmitted from the transmitter, a TCM decoder, a signal processing part including a derandomizer, and an additional error correction decoder part. | 10-28-2010 |
20100275106 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A digital television transmitting system includes a pre-processor, a packet generator, an RS encoder, and a trellis encoder. The pre-processor pre-processes enhanced data by coding the enhanced data for first forward error correction and expanding the FEC-coded enhanced data. The packet generator generates enhanced data packets including the pre-processed enhanced data and main data packets and multiplexes the enhanced and main data packets. Each enhanced data packet includes an adaptation field in which the pre-processed enhanced data are inserted. The RS encoder performs RS encoding on the multiplexed data packets for second forward error correction, and the trellis encoder performs trellis encoding on the RS-coded data packets. | 10-28-2010 |
20100275239 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A digital television (DTV) receiving system includes an information detector, a timing recovery unit, a carrier recovery unit, and a phase compensation unit. The information detector detects position information of a known data sequence periodically repeated in a DTV signal and estimates an initial frequency offset value. The timing recovery unit performs timing recovery an the DTV signal by detecting timing error information from the DTV signal using the position information. The carrier recovery unit performs carrier recovery on the DTV signal using the position information. The phase compensation unit compensates a phase offset of the DTV signal using the position information. | 10-28-2010 |
20100278274 | VSB RECEPTION SYSTEM WITH ENHANCED SIGNAL DETECTION FOR PROCESSING SUPPLEMENTAL DATA - A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance. | 11-04-2010 |
20100278276 | DTV TRANSMITTER AND METHOD OF CODING DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor expanding original enhanced data, a data formatter generating enhanced data packets including the expanded enhanced data and inserting known data place holders into the data packets, a multiplexer multiplexing the enhanced data packets with main data packets including main data, and an RS encoder adding systematic RS parity data to each main data packet and adding non-systematic RS parity data holders to each enhanced data packet. It further includes a data interleaver interleaving the RS-coded data packets, a known data generator generating know data symbols, a converter converting the interleaved data packet into symbols, and a symbol processor processing the converted symbols. The symbol processor removes symbols representing the null data, encodes symbols representing the original enhanced data at a rate of N/M, and replaces symbols representing the know data place holders with known data symbols. | 11-04-2010 |
20100281345 | DTV TRANSMITTER AND METHOD OF CODING MAIN AND ENHANCED DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including the pre-processed data and inserting known data place holders to the data packets, and a multiplexer multiplexing the enhanced data packets with main data packets. It further includes an RS encoder which RS-codes the multiplexed data packets, and a data interleaves which interleaves the RS-coded data packets. The RS encoder adds systematic RS parity data to each main data packet and adds non-systematic RS parity place holders to each enhanced data packet. The RS encoder adds the RS parity place holders such that the RS parity place holders are placed after the enhanced data within each interleaved enhanced data packet. | 11-04-2010 |
20100281346 | DTV TRANSMITTER AND METHOD OF CODING MAIN AND ENHANCED DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including the pre-processed data and inserting known data place holders to the data packets, and a multiplexer multiplexing the enhanced data packets with main data packets. It further includes an RS encoder which RS-codes the multiplexed data packets, and a data interleaves which interleaves the RS-coded data packets. The RS encoder adds systematic RS parity data to each main data packet and adds non-systematic RS parity place holders to each enhanced data packet. The RS encoder adds the RS parity place holders such that the RS parity place holders are placed after the enhanced data within each interleaved enhanced data packet. | 11-04-2010 |
20100284473 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 11-11-2010 |
20100287444 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 11-11-2010 |
20100290460 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and a method of processing data are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes. The method of processing data in a transmitting system includes receiving mobile service data, encapsulating the received mobile service data to a transport stream (TS) packet, and outputting the encapsulated mobile service data as a mobile service data packet, and multiplexing a main service data packet including main service data and the encapsulated mobile service data packet, thereby transmitting the multiplexed data packets to at least one transmitter located in a remote site. | 11-18-2010 |
20100293588 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and a method of processing data are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes. The method of processing data in a transmitting system includes receiving mobile service data, encapsulating the received mobile service data to a transport stream (TS) packet, and outputting the encapsulated mobile service data as a mobile service data packet, and multiplexing a main service data packet including main service data and the encapsulated mobile service data packet, thereby transmitting the multiplexed data packets to at least one transmitter located in a remote site. | 11-18-2010 |
20100293589 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and a method of processing data are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes. The method of processing data in a transmitting system includes receiving mobile service data, encapsulating the received mobile service data to a transport stream (TS) packet, and outputting the encapsulated mobile service data as a mobile service data packet, and multiplexing a main service data packet including main service data and the encapsulated mobile service data packet, thereby transmitting the multiplexed data packets to at least one transmitter located in a remote site. | 11-18-2010 |
20100296006 | DIGITAL TELEVISION TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A digital television receiving system includes a first known data detector, a second known data detector, and a selector. The first known data detector detects a location of a first known data sequence in a broadcast signal by calculating a first correlation value between the broadcast signal and a first reference known data sequence. Similarly, the second known data detector detects a location of a second known data sequence in the broadcast signal by calculating a second correlation value between the broadcast signal and a second reference known data sequence. The selector selects the location information detected by one of the first and second known data detectors with a greater correlation value. | 11-25-2010 |
20100302458 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL - A DTV transmitting system includes a pre-processor, a block processor, and a trellis encoder. The pre-processor pre-processes enhanced data by expanding the enhanced data at an expansion rate of 1/H. The block processor includes a first converter, a symbol encoder, a symbol interleaver, and a second converter. The first converter converts the expanded data into symbols. The symbol encoder encodes each valid enhanced data bit in the symbols at an effective coding rate of 1/H. The symbol interleaver interleaves the encoded symbols, and the second converter converts the interleaved symbols into enhanced data bytes. The trellis encoder trellis-encodes the enhanced data outputted from the block processor. | 12-02-2010 |
20100303169 | CHANNEL EQUALIZER AND METHOD OF PROCESSING BROADCAST SIGNAL IN RECEIVING SYSTEM - A channel equalizer includes an overlap unit, an estimator, a calculator, a compensator, and a save unit. The overlap unit overlaps a group of data packets in a broadcast signal. The group data packets include a head, a body, and a tail, and a known data sequence is periodically included in the body. The estimator estimates a CIR of each data region the body using the known data sequence, and it further estimates CIRs of data regions in the head or tail using the CIRs obtained for the data regions in the body. The calculator calculates equalization coefficients based on the CIRs estimated by the estimator, and the compensator compensates channel distortion of the overlapped data using the equalization coefficients. The save unit saves the compensated data. | 12-02-2010 |
20100316138 | DIGITAL TELEVISION TRANSMITTER AND METHOD OF CODING DATA IN DIGITAL TELEVISION TRANSMITTER - A digital television (DTV) transmitter and a method of coding data in the DTV transmitter method are disclosed. A pre-processes enhanced data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data. A data formatter generates enhanced data packets including the pre-processed enhanced data and inserting known data to at least one of the enhanced data packets. A first multiplexer multiplexes main data packets with the enhanced data packets, and a data randomizer randomizes the multiplexed data packets. A Reed-Solomon (RS) encoder RS-codes the randomized data packets by adding first parity data, and a data interleaver interleaves the RS-coded data packets. A trellis encoder trellis-encodes the interleaved data packets, wherein the trellis encoder may be initialized when a known data sequence is inputted thereto. | 12-16-2010 |
20100318880 | DTV TRANSMITTER AND METHOD OF CODING MAIN AND ENHANCED DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including the pre-processed enhanced data, and a multiplexer multiplexing the enhanced data packets with main data packets. The transmitter further includes an RS encoder RS-coding the multiplexed packets by adding systematic RS parity data to each main data packet and by adding non-systematic RS parity place holders to each enhanced data packet, and a data interleaver interleaving the RS-coded packets. The non-systematic RS parity place holders are placed after the enhanced data within each interleaved enhanced data packet, and a sequence of known data place holders is periodically included in the interleaved enhanced data packets. | 12-16-2010 |
20100322344 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiving system and a method for controlling the same are disclosed. The method includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, wherein the FIC signaling information includes a current/next (C/N) indicator, and wherein the TPC signaling information includes FIC version information, and detecting ensemble configuration information of a current MH frame. | 12-23-2010 |
20100322424 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting TPC signaling information and FIC signaling information from a data group in the received mobile service data, acquiring a program table describing virtual channel information and a service of an ensemble, using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, detecting a conditional access descriptor indicating whether the mobile service data was encrypted, using the acquired program table, and controlling such that the encrypted mobile service data is decrypted, using information of the detected conditional access descriptor. | 12-23-2010 |
20100325518 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 12-23-2010 |
20110002398 | DIGITAL TELEVISION TRANSMITTER/RECEIVER AND METHOD OF PROCESSING DATA IN DIGITAL TELEVISION TRANSMITTER/RECEIVER - A digital television transmitter and a method of coding main and enhanced data in the digital television transmitter are disclosed. In the digital television transmitter, a byte-symbol converter converts main and enhanced data packets into symbols, wherein at least one of the enhanced data packets may include data place holders for known data symbols. A known data generator generates a known data symbol. A symbol processor processes a first symbol outputted from the byte-symbol converter. Herein, the symbol processor may post-decode a first bit of the known data symbol and output the post-decoded bit and an initialization data bit when the first symbol is a symbol representing one of the place holders. A trellis encoder has one or more memories for trellis-encoding a second symbol outputted from the symbol processor, wherein the memories are initialized when the initialization data bit is processed in the trellis encoder. | 01-06-2011 |
20110007223 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast system and method of processing data are disclosed. A channel equalizer includes a frequency domain converter receiving a known data sequence, when the known data sequence is periodically inserted and transmitted in general data, and converting the received data to frequency domain data, a CIR estimator using the data being received during a known data section and known data generated by a receiving system, so as to estimate a CIR, a CIR calculator interpolating or extrapolating the CIR estimated by the CIR estimator in accordance with characteristics of the general data being received, a coefficient calculator converting the CIR being outputted from the CIR calculator to a frequency domain CIR and calculating and outputting an equalization coefficient, and a distortion compensator multiplying the equalization coefficient calculated by the coefficient calculator with the data converted to frequency domain data by the frequency domain converter, thereby compensating channel distortion. | 01-13-2011 |
20110007822 | VSB COMMUNICATION SYSTEM - A VSB communication system comprises a VSB transmission system and a VSB reception system. The VSB transmission system multiplexes a coded MPEG data and a coded supplemental data having a null sequence inserted therein, with required multiplexing information included in a field synchronization signal or in a supplemental data according to a number of the supplemental data packets being transmitted. The VSB reception system detects the required multiplexing information from the field synchronization signal or the supplemental data and decodes the multiplexed data by using the null sequence and the detected multiplexing information, as well as demultiplexes the multiplexed data into the MPEG data and the supplemental data. | 01-13-2011 |
20110007837 | DTV RECEIVER AND METHOD OF PROCESSING BROADCAST SIGNAL IN DTV RECEIVER - A DTV receiver includes a tuner tuning to a channel to receive a broadcast signal, and a demodulator demodulating the broadcast signal. The receiver further includes a first decoder which decodes main and enhanced data included in the demodulated signal by calculating soft decision values for the enhanced data and hard decision values for the main data. The receiver further includes a second decoder for decoding the main and enhanced data for first forward error correction, and a third decoder for decoding the FEC-decoded enhanced data for second forward error correction. | 01-13-2011 |
20110035648 | DTV TRANSMITTER AND METHOD OF CODING MAIN AND ENHANCED DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including the pre-processed data and inserting known data place holders to the data packets, and a multiplexer multiplexing the enhanced data packets with main data packets. It further includes an RS encoder which RS-codes the multiplexed data packets, and a data interleaver which interleaves the RS-coded data packets. The RS encoder adds systematic RS parity data to each main data packet and adds non-systematic RS parity place holders to each enhanced data packet. The RS encoder adds the RS parity place holders such that the RS parity place holders are placed after the enhanced data within each interleaved enhanced data packet. | 02-10-2011 |
20110063514 | DIGITAL TELEVISION TRANSMITTER AND METHOD OF CODING DATA IN DIGITAL TELEVISION TRANSMITTER - A pre-processor pre-processes enhanced data packets by coding the enhanced data packets for forward error correction (FEC) and expanding the FEC-coded data packets. A data formatter adds first null data into first place holders within each pre-processed enhanced data packet. A first multiplexer multiplexes the main data packets with the enhanced data packets having the first null data. A holder inserter inserts second null data into second place holders within an enhanced data packet outputted from the first multiplexer. A data interleaver replaces the second null data with parity data. A data generator generates at least one known data sequence. A symbol processor replaces the first null data included in an output of the data interleaver with the known data sequence(s). A non-systematic RS encoder generates the parity data by performing non-systematic RS-coding on an output of the symbol processor, and provides the parity data to the data interleaver. | 03-17-2011 |
20110064147 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A digital television (DTV) receiving system includes a tuner, a demodulator, a known data detector, an equalizer, a transmission detector, and a block decoder. The tuner receives a DTV signal having a data frame in which main and mobile service data are multiplexed. The demodulator demodulates the DTV signal, and the known data detector detects known data included in the mobile service data. The equalizer equalizes the demodulated DTV signal using the detected known data, and the transmission parameter detector detects an error correction mode from the equalized DTV signal. Finally, the block decoder decodes the equalized DTV signal for error correction using the detected error correction mode. | 03-17-2011 |
20110069783 | CHANNEL EQUALIZER AND METHOD OF PROCESSING BROADCAST SIGNAL IN RECEIVING SYSTEM - A channel equalizer for use in a receiving system includes an overlap unit, a first estimator, an interpolator, and a second estimator. The overlap unit overlaps a group of normal data packets including a head, a body, and a tail, and a known data region is periodically repeated in the body. The first estimator estimates CIRs of the known data regions according to a first algorithm, and the interpolator estimates CIRs of normal data regions in the body by interpolating the estimated CIRs of the known data regions. The second estimator estimates CIRs of normal data regions in the head and tail according to a second algorithm different from the first algorithm. A calculator calculates equalization coefficients based on the estimated CIRs and a compensator multiplies the overlapped data with the coefficients. A save unit saves the compensated data. | 03-24-2011 |
20110072329 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL - A DTV transmitting system includes a first pre-processor for coding first enhanced data having a high priority for forward error correction (FEC) at a first coding rate and expanding the first enhanced data at a first expansion rate, and a second pre-processor for coding second enhanced data having a low priority for FEC at a second coding rate and expanding the second enhanced data at a second expansion rate. The receiving system further includes a data formatter for generating enhanced data packets, a multiplexer for multiplexing the enhanced data packets with main data packets, an RS encoder for RS-coding the multiplexed data packets, and a data interleaver for interleaving the RS-coded data packets and outputting a group of interleaved data packets having a head, a body, and a tail. | 03-24-2011 |
20110075725 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a receiving unit, an SI handler, and a decoding unit. The receiving unit receives broadcast signals including mobile service data and main service data. Herein, the mobile service data may configure a data group, and the data group may include a signaling information region in some of a plurality of data regions. Also, the signaling information region may include TPC signaling data and FIC signaling data. The SI handler acquires channel configuration information of the mobile service data from the broadcast signal using pre-decided IP access information, and extracts encoding format information for each IP stream component within a corresponding virtual channel service RTP-packetized and received from the acquired channel configuration information. The decoding unit decodes the mobile service data of the corresponding IP stream component based upon the extracted encoding format information. | 03-31-2011 |
20110075766 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast receiving system includes a known data detector, a carrier recovery unit, and a timing recovery unit. The known data detector may detect known data information inserted and transmitted from a digital broadcast transmitting system and using the known data information to estimate initial frequency offset. The carrier recovery unit may obtain initial synchronization by using the initial frequency offset, and may detect frequency offset from the received data by using the known sequence position indicator so as to perform carrier recovery. The timing recovery unit may detect timing error information from the received signal by using the known sequence position indicator so as to perform timing recovery. | 03-31-2011 |
20110078535 | CHANNEL EQUALIZER AND METHOD OF PROCESSING BROADCAST SIGNAL IN DTV RECEIVING SYSTEM - A channel equalizer includes a first transformer, an estimator, an average calculator, a second transformer, a coefficient calculator, a compensator, and a third transformer. The first transformer converts normal data into frequency domain data, where a known data sequence is periodically repeated in the normal data. The estimator estimates channel impulse responses (CIR) during known data intervals adjacent to each normal data block. The average calculator calculates an average value of the CIRs. The second transformer converts the average value into frequency domain data. The coefficient calculator calculates equalization coefficients using the average value, and the compensator compensates channel distortion of each normal data block using the coefficients. The third transformer converts the compensated data block into time domain data. | 03-31-2011 |
20110078539 | DIGITAL TELEVISION TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A digital television (DTV) transmitting system includes a first frame decoder, a second frame decoder, and a frame multiplexer. The first frame decoder forms first enhanced data frames, encodes each data frame for error correction, forms a first super frame by combining the encoded first frames, and interleaves the first super frame. The second frame decoder forms second enhanced data frames, encodes each data frame for error correction, forms a second super frame by combining the encoded second frames, and interleaves the second super frame. The frame multiplexer multiplexes the interleaved first and second enhanced data frames. | 03-31-2011 |
20110083056 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital receiving system, and a method of processing data are disclosed. The digital receiving system includes a receiving unit, a known sequence detector, and a channel equalizer. The receiving unit receives a broadcast signal including mobile service data and main service data. The known sequence detector detects known data linearly inserted in a data group. The channel equalizer performs channel-equalizing on the received mobile service data using the detected known data. | 04-07-2011 |
20110085622 | DTV RECEIVER AND METHOD OF PROCESSING BROADCAST SIGNAL IN DTV RECEIVER - A DTV receiver includes a tuner tuning to a channel to receive a broadcast signal, and a demodulator demodulating the broadcast signal. The receiver further includes a first decoder which decodes main and enhanced data included in the demodulated signal by calculating soft decision values for the enhanced data and hard decision values for the main data. The receiver further includes a second decoder for decoding the main and enhanced data for first forward error correction, and a third decoder for decoding the FEC-decoded enhanced data for second forward error correction. | 04-14-2011 |
20110096798 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 04-28-2011 |
20110096827 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The method includes receiving a data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, acquiring transmission-parameter-channel signaling information including transmission parameter information of the mobile service data, and fast-information-channel signaling information, acquiring binding information describing a relationship between at least one ensemble transferring the mobile service data and a first virtual channel contained in the at least one ensemble by decoding the fast-information-channel, and acquiring status information of the first virtual channel, displaying content data contained in the mobile service data according to the binding information and the status information of the first virtual channel. | 04-28-2011 |
20110099457 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A digital television transmitting system includes a pre-processor, a packet generator, an RS encoder, and a trellis encoder. The pre-processor pre-processes enhanced data by coding the enhanced data for first forward error correction and expanding the FEC-coded enhanced data. The packet generator generates enhanced data packets including the pre-processed enhanced data and main data packets and multiplexes the enhanced and main data packets. Each enhanced data packet includes an adaptation field in which the pre-processed enhanced data are inserted. The RS encoder performs RS encoding on the multiplexed data packets for second forward error correction, and the trellis encoder performs trellis encoding on the RS-coded data packets. | 04-28-2011 |
20110103463 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast system including a broadcast receiving system and data processing method are disclosed. In the broadcast receiving system receiving broadcast signals, the broadcast receiving system includes a transmission parameter decoding unit, a known sequence detector, and a burst controller. The transmission parameter decoding unit detects information on a burst of a received signal from broadcast data having main service data and mobile service data multiplexed therein within a field of the received signal and outputs the detected information on the burst. The known sequence detector receives burst information from the transmission parameter decoding unit and uses the received burst information and known data position information included in the received data, so as to output burst control information. The burst controller uses the burst control information to control power supply of the broadcast receiving system. | 05-05-2011 |
20110110419 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A DTV transmitting system includes a frame encoder, a randomizer, a block processor, a group formatter, a deinterleaver, and a packet formatter. The frame encoder builds an enhanced data frame and encodes the frame two times for first and second error correction, respectively. It further permutes a plurality of encoded data frames. The randomizer randomizes the permuted enhanced data, and the block processor codes the randomized data at a rate of 1/N1. The group formatter forms a group of enhanced data having one or more data regions and inserts the data coded at the rate of 1/N1 into at least one of the data regions. The deinterleaver deinterleaves the group of enhanced data, and the packet formatter formats the deinterleaved data into enhanced data packets. | 05-12-2011 |
20110110462 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiving system and a method for controlling the same are disclosed. The method a method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, acquiring a program table, by using the IP signaling channel within an ensemble included in the received broadcast signal, and controlling the system to create a list of channels mapped with all ensembles transmitted through at least one physical frequency, by using the acquired program table. | 05-12-2011 |
20110116541 | DIGITAL TELEVISION TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A digital television receiving system includes a first known data detector, a second known data detector, and a selector. The first known data detector detects a location of a first known data sequence in a broadcast signal by calculating a first correlation value between the broadcast signal and a first reference known data sequence. Similarly, the second known data detector detects a location of a second known data sequence in the broadcast signal by calculating a second correlation value between the broadcast signal and a second reference known data sequence. The selector selects the location information detected by one of the first and second known data detectors with a greater correlation value. | 05-19-2011 |
20110129019 | VSB RECEPTION SYSTEM WITH ENHANCED SIGNAL DETECTION FOR PROCESSING SUPPLEMENTAL DATA - A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance. | 06-02-2011 |
20110141954 | TRANSMITTING SYSTEM AND METHOD OF TRANSMITTING DIGITAL BROADCAST SIGNAL IN TRANSMITTING SYSTEM - A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes multiplexing mobile data and main data, transmitting a transmission frame including the multiplexed mobile and main data, wherein a parade of data group is transmitted during slots, wherein each slot includes specified number of mobile data packets, a first scalable number of mobile data packets, and a second scalable number of main data packets, wherein the data group including a plurality of regions and the fifth region of the plurality of regions includes the first scalable number of mobile data packets, wherein the data group is assigned to one of the slots in such a manner that slots of consecutive slot number carry data groups of inconsecutive group number. | 06-16-2011 |
20110141956 | TRANSMITTING SYSTEM AND METHOD OF PROCESSING DIGITAL BROADCAST SIGNAL IN TRANSMITTING SYSTEM, RECEIVING SYSTEM AND METHOD OF RECEIVING DIGITAL BROADCAST SIGNAL IN RECEIVING SYSTEM - A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes forming a data group including mobile data, packet formatting mobile data packets including data in the data group, wherein the mobile data packets include a specific number of mobile data packets and a scalable number of mobile data packets, the scalable number being scalable up to 38, wherein the data group includes a plurality of regions and fifth region of the data group includes the scalable number of mobile data packets, by-passing data randomizing and RS encoding on data in the mobile data packets when the scalable number is 38, interleaving data in the mobile data packets and transmitting the interleaved data during a slot. | 06-16-2011 |
20110142161 | TRANSMITTING SYSTEM AND METHOD OF PROCESSING DIGITAL BROADCAST SIGNAL IN TRANSMITTING SYSTEM, RECEIVING SYSTEM AND METHOD OF RECEIVING DIGITAL BROADCAST SIGNAL IN RECEIVING SYSTEM - A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes forming a data group including mobile data, known data sequences, trellis initialization data bytes, wherein the known data sequences are sequentially concatenated with the trellis initialization bytes, interleaving data in the data group, wherein the data group includes a plurality of data blocks and scalable data blocks, wherein the known data sequences inserted in a predetermined area of the data group, trellis encoding on the interleaved data and initializing memories for the trellis encoding using initial bits of the trellis initialization data bytes in the interleaved data, wherein the initial bits of the trellis initialization data bytes are calculated using exclusive or operation with predetermined memory values of the memories for the trellis encoding, transmitting a broadcast signal including the trellis encoded data during a slot. | 06-16-2011 |
20110150103 | DTV TRANSMITTER AND METHOD OF CODING MAIN AND ENHANCED DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including the pre-processed enhanced data, and a multiplexer multiplexing the enhanced data packets with main data packets. The transmitter further includes an RS encoder RS-coding the multiplexed packets by adding systematic RS parity data to each main data packet and by adding non-systematic RS parity place holders to each enhanced data packet, and a data interleaver interleaving the RS-coded packets. The non-systematic RS parity place holders are placed after the enhanced data within each interleaved enhanced data packet, and a sequence of known data place holders is periodically included in the interleaved enhanced data packets. | 06-23-2011 |
20110158167 | TRANSMITTING SYSTEM AND METHOD OF TRANSMITTING DIGITAL BROADCAST SIGNAL IN TRANSMITTING SYSTEM - A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes multiplexing a specified number of mobile data packets, a first scalable number of mobile data packets, and a second scalable number of main data packets, interleaving mobile data in the mobile data packets and main data in the main data packets, transmitting the interleaved mobile and main data during a slot, wherein the data group includes a plurality of first blocks, each first block including a plurality of data segments, specified block of the plurality of first blocks including the mobile data, known data sequence, trellis initialization data and RS parity bytes inserted in pre-determined position of the data group, wherein the data group includes a plurality of regions, wherein the last region includes the first scalable number of mobile data packets. | 06-30-2011 |
20110158338 | DIGITAL BROADCASTING SYSTEM AND METHOD FOR TRANSMITTING AND RECEIVING DIGITAL BROADCAST SIGNAL - A digital broadcasting system and a method for transmitting and receiving digital broadcast signal are disclosed. The method of processing a digital broadcast signal comprises encoding signaling information for mobile data, forming data groups including mobile data, a plurality of long known data sequences, a plurality of segmented known data sequences and the encoded signaling information, interleaving data in the data groups, transmitting the digital broadcast signal including the data groups having the interleaved data, and wherein the signaling information includes concatenation information indicating whether the segmented known data sequences are concatenated between the data groups included in the digital broadcast signal. | 06-30-2011 |
20110164561 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 07-07-2011 |
20110164688 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL - A DTV transmitting system includes a pre-processor, a block processor, and a trellis encoder. The pre-processor pre-processes enhanced data by expanding the enhanced data at an expansion rate of 1/H. The block processor includes a first converter, a symbol encoder, a symbol interleaver, and a second converter. The first converter converts the expanded data into symbols. The symbol encoder encodes each valid enhanced data bit in the symbols at an effective coding rate of 1/H. The symbol interleaver interleaves the encoded symbols, and the second converter converts the interleaved symbols into enhanced data bytes. The trellis encoder trellis-encodes the enhanced data outputted from the block processor. | 07-07-2011 |
20110167467 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a data processing method are disclosed. A time zone identifier is inserted into program table information of a broadcasting signal and the broadcasting signal is transmitted/received. The digital broadcasting system can calculate a local time of a region, in which the digital broadcasting system is located, using the time zone identifier. Accordingly, although the position of the digital broadcasting system is changed, it is possible to process the broadcasting signal related to the local time without an error. | 07-07-2011 |
20110170015 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A digital television (DTV) receiving system includes an information detector, a resampler, a timing recovery unit, and a carrier recovery unit. The information detector detects a known data sequence which is periodically inserted in a digital television (DTV) signal received from a DTV transmitting system. The resampler resamples the DTV signal at a predetermined resampling rate. The timing recovery unit performs timing recovery on the DTV signal by detecting a timing error from the resampled DTV signal using the detected known data sequence. The carrier recovery unit performs carrier recovery on the resampled DTV signal by estimating a frequency offset value of the resampled DTV signal using the detected known data sequence. | 07-14-2011 |
20110170616 | DIGITAL TELEVISION TRANSMITTER/RECEIVER AND METHOD OF PROCESSING DATA IN DIGITAL TELEVISION TRANSMITTER/RECEIVER - A digital television (DTV) transmitter and a method of coding data in the DTV transmitter method are disclosed. A pre-processor pre-processes the enhanced data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data. A data formatter generates one or more groups of enhanced data packets, each enhanced data packet including the pre-processed enhanced data. And, a packet multiplexer generates at least one burst of enhanced data by multiplexing the one or more groups of enhanced data packets. Herein, each burst of enhanced data includes at least one group of enhanced data packets. The DTV transmitter may further include a scheduler which generates first and second control signals to control operations of the data formatter and the packet multiplexer, respectively. | 07-14-2011 |
20110170617 | DTV TRANSMITTER AND METHOD OF CODING DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor pre-processing supplemental data, a multiplexer multiplexing pre-processed data with main data, and a byte-symbol converter converting each data byte of the multiplexed data into a symbol. It further includes a symbol processor processing each supplemental data symbol outputted from the byte-symbol converter. It encodes one of upper and lower bits of each supplemental data symbol into first and second data bits, post-decodes the first data bit, and outputs the post-decoded data bit and the second data bit as a symbol. The DTV transmitter further includes a symbol-byte converter converting each symbol outputted from the symbol processor into a data byte. | 07-14-2011 |
20110170618 | DTV TELEVISION TRANSMITTER/RECEIVER AND METHOD OF PROCESSING DATA IN DTV TRANSMITTER/RECEIVER - A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including known data, a multiplexer multiplexing the enhanced data packets with main data packets, a data randomizer randomizing the multiplexed data packets, an RS encoder RS-encoding the randomized data packets, and a data interleaver interleaving the RS-coded data packets, where a plurality of known data sequences are included in the interleaved enhanced data packets. Finally, the DTV transmitter further includes an enhanced encoder which codes each block of enhanced data placed between any two of the known data sequences and bypasses the interleaved main data packets. | 07-14-2011 |
20110173515 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiver receives a broadcast signal including mobile service data and main service data. A known data detector detects known data from the broadcast signal. An equalizer performs channel equalization on the mobile service data received by means of the detected known data. An RS frame decoder acquires an RS frame from the channel-equalized mobile service data. A management processor extracts a Generic Stream Encapsulation (GSE) packet from a GSE Base Band (BB) constructing one row of the RS frame, and calculates an IP datagram from the extracted GSE packet. A presentation processor displays broadcast data using data contained in the calculated IP datagram. | 07-14-2011 |
20110176061 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING TELEVISION SIGNAL - A digital television transmitting system includes a pre-processor, a packet generator, an RS encoder, and a trellis encoder. The pre-processor pre-processes enhanced data by coding the enhanced data for first forward error correction (FEC) and expanding the FEC-coded enhanced data. The packet generator generates first and second enhanced data packets including the pre-processed enhanced data and main data packets and multiplexes the enhanced and main data packets. The first enhanced data packet includes an adaptation field including the pre-processed enhanced data and second enhanced data packet includes a payload region including the pre-processed enhanced data. The RS encoder performs RS encoding on the multiplexed data packets for second forward error correction (FEC), and the trellis encoder performs trellis encoding on the RS-coded data packets. | 07-21-2011 |
20110179334 | DIGITAL TELEVISION TRANSMITTER/RECEIVER AND METHOD OF PROCESSING DATA IN DIGITAL TELEVISION TRANSMITTER/RECEIVER - A digital television (DTV) transmitter and a method of processing data in the DTV transmitter are disclosed. A pre-processor pre-processes the enhanced data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data. A data formatter generates enhanced data packets including the pre-processed enhanced data and for inserting known data to at least one of the enhanced data packets. A first multiplexer multiplexes the enhanced data packets with main data packets including the main data. An RS encoder RS-codes the multiplexed main and enhanced data packets, the RS encoder adding systematic parity data to each main data packet and adding RS parity place holders to each enhanced data packet. And, a data interleaver interleaves the RS-coded main and enhanced data packets, wherein a known data sequence is included in every Nth enhanced data segment outputted from the data interleaver. | 07-21-2011 |
20110182351 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The method includes receiving a data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, acquiring transmission-parameter-channel signaling information including transmission parameter information of the mobile service data, and fast-information-channel signaling information, acquiring binding information describing a relationship between at least one ensemble transferring the mobile service data and a first virtual channel contained in the at least one ensemble by decoding the fast-information-channel, and acquiring status information of the first virtual channel, displaying content data contained in the mobile service data according to the binding information and the status information of the first virtual channel. | 07-28-2011 |
20110188501 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system for transmitting/receiving a digital broadcasting signal and a data processing method are disclosed. A program table information has an identifier identifying mobile service data and main service data in a broadcasting signal. The program table information is multiplexed with the mobile service data and main service data. Then, broadcast receiving system can receive and output the mobile service data by parsing the program table information and using the identifier. | 08-04-2011 |
20110194622 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 08-11-2011 |
20110211632 | METHOD FOR RECEIVING BROADCASTING SIGNAL AND BROADCASTING RECEIVER - A method for receiving a broadcasting signal and a broadcasting signal receiver are disclosed. Even when a cell is changed while an emergency alert is output, the emergency alert can be continuously output using emergency alert table information included in the broadcasting signal and channel information of the cell. The emergency alert table information may include a cell identifier and the channel information of the cell may include virtual channel information of the cell. | 09-01-2011 |
20110214036 | DIGITAL TELEVISION TRANSMITTER/RECEIVER AND METHOD OF PROCESSING DATA IN DIGITAL TELEVISION TRANSMITTER/RECEIVER - A digital television (DTV) transmitter/receiver and a method of processing data in the DTV transmitter/receiver are disclosed. In the DTV transmitter, a pre-processor pre-processes the enhanced data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data. A data formatter generates enhanced data packets including the pre-processed enhanced data and inserts known data to at least one of the enhanced data packets. A first multiplexer multiplexes the enhanced data packets with main data packets including the main data. And, an RS encoder RS-codes the multiplexed main and enhanced data packets, the RS encoder adding systematic parity data to each main data packet and adding RS parity place holders to each enhanced data packet. Herein, the RS encoder may insert non-systematic RS parity data or null data into the RS parity place holders included in each enhanced data packet. | 09-01-2011 |
20110222494 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service. | 09-15-2011 |
20110222593 | CHANNEL EQUALIZER AND METHOD OF PROCESSING BROADCAST SIGNAL IN RECEIVING SYSTEM - A channel equalizer includes an overlap unit, an estimator, a calculator, a compensator, and a save unit. The overlap unit overlaps a group of data packets in a broadcast signal. The group data packets include a head, a body, and a tail, and a known data sequence is periodically included in the body. The estimator estimates a CIR of each data region the body using the known data sequence, and it further estimates CIRs of data regions in the head or tail using the CIRs obtained for the data regions in the body. The calculator calculates equalization coefficients based on the CIRs estimated by the estimator, and the compensator compensates channel distortion of the overlapped data using the equalization coefficients. The save unit saves the compensated data. | 09-15-2011 |
20110228876 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - The present invention relates to a digital broadcasting system for transmitting/receiving a digital broadcasting signal and a method of processing data. In one aspect of the present invention provides a method of processing data, the method including receiving a broadcasting signal in which mobile service data and main service data are multiplexed, demodulating the received broadcasting signal, obtaining an identifier indicating that data frame of the broadcasting signal includes service guide information, decoding and storing the service guide information from the data frame; and outputting a service included in the mobile service data according to the decoded service guide information. | 09-22-2011 |
20110234914 | DTV RECEIVER AND METHOD OF PROCESSING BROADCAST SIGNAL IN DTV RECEIVER - A DTV receiver includes a tuner tuning to a channel to receive a broadcast signal, and a demodulator demodulating the broadcast signal. The receiver further includes a first decoder which decodes main and enhanced data included in the demodulated signal by calculating soft decision values for the enhanced data and hard decision values for the main data. The receiver further includes a second decoder for decoding the main and enhanced data for first forward error correction, and a third decoder for decoding the FEC-decoded enhanced data for second forward error correction. | 09-29-2011 |
20110235724 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 09-29-2011 |
20110235725 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiving system and a method for controlling the same are disclosed. The method includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, wherein the FIC signaling information includes a current/next (C/N) indicator, and wherein the TPC signaling information includes FIC version information, and detecting ensemble configuration information of a current MH frame. | 09-29-2011 |
20110261902 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - The present invention provides a data processing method. The data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, acquiring transmission-parameter-channel signaling information including transmission parameter information of the mobile service data, and fast-information-channel signaling information, acquiring binding information describing a relationship between at least one ensemble transferring the mobile service data and a first virtual channel contained in any of the at least one ensemble by decoding fast-information-channel signaling information, acquiring ensemble identification information transferring the first virtual channel using the binding information, and receiving at least one mobile service data group transferring an ensemble according to the ensemble identification information, parsing service table information contained in the ensemble and decoding content data contained in the first virtual channel using the parsed service table information, and displaying the decoded content data. | 10-27-2011 |
20110267545 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A digital television (DTV) receiving system includes a known data detector, and a channel impulse response (CIR) estimator, a CIR calculator, a coefficient calculator, and a multiplier. The known data detector detects positions of known data and field sync data included in a data group. The CIR estimator estimates CIRs of the data included in the data group using the detected positions of the field sync data and the known data. The CIR calculator performs interpolation or extrapolation based on a characteristic of each data region included in the data group. The coefficient calculator calculates equalization coefficients using the estimated CIRs, and the multiplier multiplies the data in the data group with the coefficients. | 11-03-2011 |
20110267546 | DTV RECEIVER AND METHOD OF PROCESSING A BROADCAST SIGNAL IN DTV RECEIVER - A DTV receiver includes a tuner, an information detector, a demodulator, and a channel equalizer. The tuner receives a broadcast signal including valid data in which a known data sequence is periodically repeated. The information detector detects location information of the known data sequence and a coarse frequency offset value of the broadcast signal. The demodulator demodulates the broadcast signal by estimating a fine frequency offset value using the detected location information and by compensating a frequency offset of the broadcast signal using the course and fine frequency offset values. Finally, the channel equalizer compensates channel distortion of the demodulated signal using the detected location information. | 11-03-2011 |
20110271298 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A method of processing broadcast data includes: performing RS encoding and CRC encoding on mobile service data to generate an RS frame belonging to an ensemble including a signaling information table including access information of the mobile service data and identification information for identifying a stream where keys to decrypt the mobile service data are obtained; mapping a portion of data in the RS frame to a group including known data sequences, FIC data, and TPC data, wherein the FIC data includes information for rapid mobile service acquisition, and the TPC data includes FIC version information for indicating an update of the FIC data; and transmitting a broadcast signal including the group. The group further includes data blocks. First, fourth, fifth and sixth known data sequences are inserted into third, fifth, sixth and seventh data blocks, respectively. Second and third known data sequences are inserted into a fourth data block. | 11-03-2011 |
20110276999 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A method of processing broadcast data includes: receiving a broadcast signal including a group including mobile service data, FIC data, TPC data and known data sequences; demodulating the broadcast signal; compensating channel distortion generated in the demodulated broadcast signal based upon at least one of the known data sequences; decoding the FIC data and the TPC data from the channel distortion compensated broadcast signal; extracting the signaling information table from the channel distortion compensated broadcast signal; identifying a stream where keys to decrypt the mobile service data are obtained using the extracted signaling information table; and decrypting the mobile service data using the keys. The group further includes data blocks. First, fourth, fifth and sixth known data sequences are inserted into third, fifth, sixth and seventh data blocks, respectively. Second and third known data sequences are inserted into a fourth data block. | 11-10-2011 |
20110280260 | BROADCASTING RECEIVER AND BROADCAST SIGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data. | 11-17-2011 |
20110280319 | DTV RECEIVER AND METHOD OF PROCESSING SIGNAL IN DTV RECEIVER - A DTV receiver includes a tuner, a demodulator, a channel equalizer, a sequence detector, and a burst controller. The tuner receives a DTV signal having main data and at least one burst of enhanced data. The demodulator demodulates the DTV signal by performing carrier and time recovery and the channel equalizer equalizes the demodulated signal. The sequence detector detects one or more known data sequences from any one of the received signal and the demodulated signal. The demodulator and the channel equalizer use the detected known data sequences when performing the carrier and timing recover and the channel-equalization, respectively. Lastly, the burst controller supplies power to the tuner, the demodulator, the channel equalizer, and the data detector only during a burst time for each burst of enhanced data for efficient power consumption. | 11-17-2011 |
20110280343 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast system and a method of processing data disclose. A receiving system of the digital broadcast system may include a baseband processor, a management processor, and a presentation processor. The baseband processor receives broadcast signals including mobile service data and main service data. The mobile service data configures a RS frame, and the RS frame includes the mobile service data and at least one type of channel setting information on the mobile service data. The management processor decodes the RS frame to acquire the mobile service data and the at least one type of channel setting information on the mobile service data, then extracts position information of an SDP message. Herein, the SDP message includes Codec information for each component in the respective virtual channel from the channel setting information, thereby accessing the SDP message from the extracted position information and gathers SDP message information. The presentation processor decodes mobile service data of a corresponding component based upon the gathered SDP message information. | 11-17-2011 |
20110285914 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A DTV transmitting system includes a frame encoder, a randomizer, a block processor, a group formatter, a deinterleaver, and a packet formatter. The frame encoder builds an enhanced data frame and encodes the frame two times for first and second error correction, respectively. It further permutes a plurality of encoded data frames. The randomizer randomizes the permuted enhanced data, and the block processor codes the randomized data at a rate of 1/N1. The group formatter forms a group of enhanced data having one or more data regions and inserts the data coded at the rate of 1/N1 into at least one of the data regions. The deinterleaver deinterleaves the group of enhanced data, and the packet formatter formats the deinterleaved data into enhanced data packets. | 11-24-2011 |
20110286532 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast receiving system includes a known data detector, a carrier recovery unit, and a timing recovery unit. The known data detector may detect known data information inserted and transmitted from a digital broadcast transmitting system and using the known data information to estimate initial frequency offset. The carrier recovery unit may obtain initial synchronization by using the initial frequency offset, and may detect frequency offset from the received data by using the known sequence position indicator so as to perform carrier recovery. The timing recovery unit may detect timing error information from the received signal by using the known sequence position indicator so as to perform timing recovery. | 11-24-2011 |
20110293038 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system comprises a baseband processor, a management processor and a presentation processor. The baseband processor receives a broadcast signal including mobile service data and main service data, wherein the mobile service data configure a Reed-Solomon (RS) frame. The RS frame includes at least one of the mobile service data and notification messages. The notification messages are packetized in accordance with any one of a first transport protocol and a second transport protocol. The management processor decodes the notification messages from the RS frame in accordance with any one of the first transport protocol and the second transport protocol. The presentation processor directly outputs the decoded notification messages to an output unit in accordance with a channel which transmits the decoded notification messages, or outputs the decoded notification messages to the output unit only if a user selects the notification messages. | 12-01-2011 |
20110296469 | BROADCASTING SIGNAL RECEIVER AND METHOD FOR TRANSMITTING/RECEIVING BROADCASTING SIGNAL - A broadcasting signal receiver and a method for transmitting/receiving a broadcasting signal are disclosed. An identifier of a cell is configured in second program table information or signaling information of the broadcasting signal. If the cell is changed, channel information of the changed cell can be obtained from second program table information in which transmission channel information of each cell for a broadcasting program is configured. Accordingly, the broadcasting signal receiver can continuously output the program although the cell is changed. | 12-01-2011 |
20110311058 | BROADCASTING RECEIVER AND BROADCAST SIGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data. | 12-22-2011 |
20110314353 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital receiving system, and a method of processing data are disclosed. The digital receiving system includes a receiving unit, a known sequence detector, and a channel equalizer. The receiving unit receives a broadcast signal including mobile service data and main service data. The known sequence detector detects known data linearly inserted in a data group. The channel equalizer performs channel-equalizing on the received mobile service data using the detected known data. | 12-22-2011 |
20120002748 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The digital broadcast receiver includes a reception unit for receiving a broadcast signal which mobile service data and main service data are multiplexed, an extractor for extracting transmission parameter channel signaling information and fast information channel signaling information from a data group in the received mobile service data, an acquirer for acquiring a program table describing virtual channel information and a service of an ensemble by using the extracted fast information channel signaling information, the ensemble being a virtual channel group of the received mobile service data, a detector for detecting a descriptor defining Internet access information corresponding to the mobile service data by using the acquired program table, and a controller for controlling such that the Internet access information of the detected descriptor and the mobile service data are displayed. | 01-05-2012 |
20120008049 | METHOD FOR TRANSMITTING/RECEIVING BROADCASTING SIGNAL AND BROADCASTING SIGNAL RECEIVER - A method for transmitting/receiving a broadcasting signal and a broadcasting signal receiver are disclosed. An identifier of a burst period is obtained from program table information of the broadcasting signal including mobile data and only the burst period in which a broadcasting program desired by a user is transmitted is received. Accordingly, when the broadcasting signal is received, only a desired burst period is received such that power consumption of the broadcasting signal receiver can be reduced. | 01-12-2012 |
20120008540 | METHOD FOR TRANSMITTING/RECEIVING BROADCASTING SIGNAL AND BROADCASTING SIGNAL RECEIVER - A method for transmitting/receiving a broadcasting signal and a broadcasting signal receiver are disclosed. An identifier of a burst period is obtained from program table information of the broadcasting signal including mobile data and only the burst period in which a broadcasting program desired by a user is transmitted is received. Accordingly, when the broadcasting signal is received, only a desired burst period is received such that power consumption of the broadcasting signal receiver can be reduced. | 01-12-2012 |
20120008708 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 01-12-2012 |
20120011420 | CHANNEL EQUALIZER AND METHOD OF PROCESSING TELEVISION SIGNAL IN DTV SYSTEM - A channel equalizer includes a channel estimator, a coefficient calculator, a multiplier, and an error remover. The channel estimator estimates a channel impulse response (CIR) of input data in which a known data sequence is periodically inserted. The coefficient calculator calculates equalization coefficients using estimated CIR, and the multiplier multiplies the input data with the equalization coefficients for channel equalization. The error removes estimates a residual carrier phase error of the channel-equalized input data and removes the estimated phase error from the input data. | 01-12-2012 |
20120014300 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. In an aspect of the present invention, the present invention provides a data processing method including receiving a broadcast signal in which main service data and mobile service data are multiplexed, demodulating the received broadcast signal, outputting demodulation time information of a specific position of a broadcast signal frame, and acquiring reference time information contained in the mobile service data frame, setting the reference time information to a system time clock at a specific time based on the demodulation time information and decoding the mobile service data according to the system time clock. | 01-19-2012 |
20120014322 | BROADCASTING SIGNAL RECEIVER AND METHOD FOR TRANSMITTING/RECEIVING BROADCASTING SIGNAL - A broadcasting signal receiver and a method for transmitting/receiving a broadcasting signal are disclosed. An identifier of a cell is set in the broadcasting signal and, if the cell is changed, channel information of the changed cell can be obtained from program table information having the channel information of the cell. Accordingly, the broadcasting signal receiver can continuously output a program although the cell is changed. | 01-19-2012 |
20120014458 | DTV TRANSMITTING SYSTEM AND METHOD OF PROCESSING DATA IN DTV TRANSMITTING SYSTEM - A DTV transmitting system includes two pre-processors. The first pre-processor codes high-priority enhanced data for forward error correction (FEC) and expands the FEC-coded data. The second pre-processor codes low-priority enhanced data for FEC and expands the FEC-coded low-priority enhanced data. The DTV transmitting system further includes a data formatter generating enhanced data packets including the pre-processed data, a multiplexer multiplexing the enhanced data packets with main data packets, an RS encoder RS-coding the multiplexed data packets, a data interleaves interleaving the RS-coded data packets, and a block processor which codes each block of enhanced data in the interleaved enhanced data packets and bypasses the interleaved main data packets. | 01-19-2012 |
20120017134 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL - A television transmitting system includes an encoder, a data randomizing and expanding unit, a group formatter, a deinterleaver, and a packet formatter. The encoder codes enhanced data for error correction, permutes the coded data, and further codes the permuted data for error detection. The randomizing and expanding unit randomizes the error-detection-coded data and expands the randomized data. The group formatter forms a group of enhanced data having one or more data regions and inserts the expanded enhanced data into at least one of the regions. The deinterleaver deinterleaves the group of enhanced data, and the packet formatter generates enhanced data packets. | 01-19-2012 |
20120027102 | DTV TELEVISION TRANSMITTER/RECEIVER AND METHOD OF PROCESSING DATA IN DTV TRANSMITTER/RECEIVER - A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including known data, a multiplexer multiplexing the enhanced data packets with main data packets, a data randomizer randomizing the multiplexed data packets, an RS encoder RS-encoding the randomized data packets, and a data interleaver interleaving the RS-coded data packets, where a plurality of known data sequences are included in the interleaved enhanced data packets. Finally, the DTV transmitter further includes an enhanced encoder which codes each block of enhanced data placed between any two of the known data sequences and bypasses the interleaved main data packets. | 02-02-2012 |
20120033601 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 02-09-2012 |
20120036413 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and method of processing data are disclosed. Herein, a method of processing data in a transmitting system includes creating a data group including a plurality of mobile service data packets, re-adjusting a relative position of at least one main service data packet of a main service data section, the main service data section including a plurality of main service data packets, and multiplexing the mobile service data of the data group and the main service data of the main service data section in burst units. Herein, a position of an audio data packet among the main service data packets of the main service data section may be re-adjusted. Also, a position of an audio data packet included in the main service data section may be re-adjusted based upon a multiplexing position of the main service data section. | 02-09-2012 |
20120038831 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A digital television (DTV) receiving system includes an information detector, a resampler, a timing recovery unit, and a carrier recovery unit. The information detector detects a known data sequence which is periodically inserted in a digital television (DTV) signal received from a DTV transmitting system. The resampler resamples the DTV signal at a predetermined resampling rate. The timing recovery unit performs timing recovery on the DTV signal by detecting a timing error from the resampled DTV signal using the detected known data sequence. The carrier recovery unit performs carrier recovery on the resampled DTV signal by estimating a frequency offset value of the resampled DTV signal using the detected known data sequence. | 02-16-2012 |
20120038832 | DTV RECIVING SYSTEM AND METHOD OF PROCESSING DTV SINGNAL - A digital television (DTV) receiving system includes an information detector, a timing recovery unit, a carrier recovery unit, and a phase compensation unit. The information detector detects position information of a known data sequence periodically repeated in a DTV signal and estimates an initial frequency offset value. The timing recovery unit performs timing recovery on the DTV signal by detecting timing error information from the DTV signal using the position information. The carrier recovery unit performs carrier recovery on the DTV signal using the position information. The phase compensation unit compensates a phase offset of the DTV signal using the position information. | 02-16-2012 |
20120039343 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 02-16-2012 |
20120047416 | BROADCASTING RECEIVER AND BROADCAST SIGNAL PROCESSING METHOD - A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data. | 02-23-2012 |
20120057080 | DTV RECEIVER AND METHOD OF PROCESSING BROADCAST SIGNAL IN DTV RECEIVER - A DTV receiver includes a tuner, a demodulator, a known sequence detector, and a frequency domain equalizer. The tuner initially receives a broadcast signal including valid data in which a known data sequence is periodically repeated. The demodulator demodulates the broadcast signal, and the known sequence detector detects the known data sequence from the demodulated signal. The frequency domain equalizer compensates channel distortion of the demodulated broadcast signal in a frequency domain using the detected known data sequence. In addition, the DTV receiver may further include a time domain equalizer which compensates channel distortion of the time domain signal, or a noise canceller which removes a predicted noise from the time domain signal. | 03-08-2012 |
20120063424 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method of the digital broadcast receiver includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting TPC signaling information and FIC signaling information from a data group in the received mobile service data, acquiring a program table defining a mapping relation between each of all ensembles transmitted at a physical frequency and at least one virtual channel corresponding to the ensemble, using the extracted FIC signaling information, and detecting IP address information required for channel tuning to the at least one virtual channel corresponding to the ensemble, using the acquired program table. | 03-15-2012 |
20120063444 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A broadcast transmitter and a method of processing broadcast data in the broadcast transmitter are disclosed. The method includes the steps of performing RS encoding and CRC encoding on mobile service data to build RS frames belonging to an ensemble, wherein each of the RS frames are mapped into data groups, wherein each of the data groups comprises known data sequences and a portion of FIC data including information for rapid mobile service acquisition, wherein the information for rapid mobile service acquisition includes transport stream identification information for identifying a mobile broadcast carrying a mobile service that includes the mobile service data and C/N indication information for indicating whether the FIC data are applicable to a current transmission frame or a next transmission frame, multiplexing data in the data groups and main service data, and transmitting a transmission frame including the multiplexed data. | 03-15-2012 |
20120063455 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A method of processing broadcast data in a broadcast transmitting system includes Reed-Solomon (RS) encoding and Cyclic Redundancy Check encoding an RS frame payload including mobile service data to build an RS frame, wherein the RS frame payload comprises a plurality of mobile and handheld transport packets; first encoding data of the RS frame with a first encoding code; second encoding signaling data with a second encoding code, wherein the signaling data include fast information channel (FIC) data and transmission parameter channel (TPC) data, the FIC data including information for rapid mobile service acquisition and the TPC data including a parade identifier for identifying a parade to which a current data group belongs; mapping the first encoded data into data groups and adding known data sequences and the second encoded signaling data to each of the data groups; and transmitting a transmission frame including data of the data groups. | 03-15-2012 |
20120066565 | DTV TRANSMITTER AND METHOD OF CODING MAIN AND ENHANCED DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including the pre-processed data and inserting known data place holders to the data packets, and a multiplexer multiplexing the enhanced data packets with main data packets. It further includes an RS encoder which RS-codes the multiplexed data packets, and a data interleaves which interleaves the RS-coded data packets. The RS encoder adds systematic RS parity data to each main data packet and adds non-systematic RS parity place holders to each enhanced data packet. The RS encoder adds the RS parity place holders such that the RS parity place holders are placed after the enhanced data within each interleaved enhanced data packet. | 03-15-2012 |
20120069913 | CHANNEL EQUALIZER AND METHOD OF PROCESSING BROADCAST SIGNAL IN DTV RECEIVING SYSTEM - A channel equalizer includes a first transformer, an estimator, an average calculator, a second transformer, a coefficient calculator, a compensator, and a third transformer. The first transformer converts normal data into frequency domain data, where a known data sequence is periodically repeated in the normal data. The estimator estimates channel impulse responses (CIR) during known data intervals adjacent to each normal data block. The average calculator calculates an average value of the CIRs. The second transformer converts the average value into frequency domain data. The coefficient calculator calculates equalization coefficients using the average value, and the compensator compensates channel distortion of each normal data block using the coefficients. The third transformer converts the compensated data block into time domain data. | 03-22-2012 |
20120079356 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and method of processing data therein are disclosed. According to one embodiment, a digital broadcasting system includes an RS (Reed-Solomon) encoder configured to encode mobile service data for FEC (Forward Error Correction) to build RS frames including the mobile service data and a signaling information table, a signaling encoder configured to encode signaling information including fast information channel (FIC) data, and transmission parameter channel (TPC) data, a group formatter configured to form data groups, wherein at least one of the data groups includes encoded mobile service data, known data sequences, the FIC data and the TPC data, and a transmission unit configured to transmit the broadcast signal including a parade of the data groups. | 03-29-2012 |
20120082239 | METHOD OF PROCESSING TRAFFIC INFORMATION AND DIGITAL BROADCAST SYSTEM - A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change. | 04-05-2012 |
20120082260 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and a data processing method are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes. The data processing method of a digital broadcast transmitting system includes the steps of forming a RS frame by grouping a plurality of mobile service data bytes that is being inputted, and performing error correction encoding in RS frame units, forming a super frame by grouping a plurality of the error correction encoded RS frame, performing row permutation in super frame units, and dividing the super frame back to RS frames, and dividing the RS frame into a plurality of data groups. | 04-05-2012 |
20120084621 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast system and a method of processing data are provided. The transmitting system of the digital broadcast system includes an encoder for encoding mobile data for FEC to build RS frames, a signaling encoder for encoding TPC data including the RS frame mode information, a divider for dividing at least one of the RS frames into a plurality of portions, a block processor for converting one portion to a plurality of SCCC blocks, a converter for converting the SCCC blocks to data blocks, a group formatter for forming data groups, a packet formatter for forming data packets including data in the data groups, a multiplexer for multiplexing main data packets including main data and the data packets, a trellis encoder for performing trellis encoding on data in the multiplexed data packets and a transmission unit for transmitting the broadcast signal including a parade of the data groups. | 04-05-2012 |
20120183098 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A transmitting system and method therein are disclosed, by which mobile service data is received and processed. The transmitting system includes an encoder, a signaling encoder, a group formatter, a transmission unit. The encoder encodes mobile data and the signaling encoder encodes signaling information. The group formatter forms data groups having the encoded mobile and signaling information. The data groups have a plurality of data blocks and specific data blocks of the plurality of data blocks include known data sequences. The transmission unit transmit broadcast signal including a parade that includes a collection of data groups having same FEC parameters. And the signaling information includes information identifying the parade and first assigned data group number for the parade to which a first assigned data group belongs. | 07-19-2012 |
20120198303 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESSING METHOD FOR USE IN THE SAME - A digital broadcast system having storing resistance to errors generated during the transmission of mobile service data, and a data processing method are disclosed. The digital broadcast system additionally encodes mobile service data. As a result, the mobile service data has strong resistance to a channel variation and noise, and at the same time the system can quickly cope with the channel variation. | 08-02-2012 |
20120300791 | DIGITAL BROADCASTING RECEIVING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting receiving system and method is disclosed. In the data processing method, a known data sequence is tuned so as to be received, when the known data sequence is periodically inserted in valid data and transmitted. Then, the timing error is detected by using a correlation characteristic of the received known data sequence. Thereafter, a timing clock that is in proportion to the detected timing error is created, thereby interpolating the received data. | 11-29-2012 |
20140059633 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - According to one embodiment, a method of processing broadcast data in a broadcast transmitter includes: encoding the broadcast data for broadcast service; encoding signaling information for signaling the broadcast data; assigning the encoded broadcast data and the encoded signaling information into a signal frame; and transmitting a broadcast signal including the signal frame. The broadcast signal further includes a signaling table having access information of the broadcast data. The signaling table includes service id information for identifying the broadcast service and component information for indicating a number of components in the broadcast service. | 02-27-2014 |
20140064385 | DIGITAL TELEVISION TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCASTING DATA - A digital television (DTV) transmitting system includes a first frame decoder, a second frame decoder, and a frame multiplexer. The first frame decoder forms first enhanced data frames, encodes each data frame for error correction, forms a first super frame by combining the encoded first frames, and interleaves the first super frame. The second frame decoder forms second enhanced data frames, encodes each data frame for error correction, forms a second super frame by combining the encoded second frames, and interleaves the second super frame. The frame multiplexer multiplexes the interleaved first and second enhanced data frames. | 03-06-2014 |
20140108893 | TRANSMITTING SYSTEM AND METHOD OF TRANSMITTING DIGITAL BROADCAST SIGNAL IN TRANSMITTING SYSTEM - A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes multiplexing a specified number of mobile data packets, a first scalable number of mobile data packets, and a second scalable number of main data packets, interleaving mobile data in the mobile data packets and main data in the main data packets, transmitting the interleaved mobile and main data during a slot, wherein the data group includes a plurality of first blocks, each first block including a plurality of data segments, specified block of the plurality of first blocks including the mobile data, known data sequence, trellis initialization data and RS parity bytes inserted in pre-determined position of the data group, wherein the data group includes a plurality of regions, wherein the last region includes the first scalable number of mobile data packets. | 04-17-2014 |
20140153585 | TRANSMITTING SYSTEM AND METHOD FOR TRANSMITTING DIGITAL BROADCAST SIGNAL - A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcast signal includes generating signaling data including a transmission parameter, wherein the transmission parameter includes a protocol version field identifying between a first transmission mode and a second transmission mode, forming a data group including mobile service data and the signaling data, forming mobile service data packets including the mobile service data and the signaling data in the data group, transmitting the digital broadcast signal including the data group. | 06-05-2014 |
20140156964 | SEMICONDUCTOR STORAGE DEVICE AND BUFFER OPERATION METHOD THEREOF - A method of operating a semiconductor storage device is provided. A memory space of a buffer memory is allocated into a data area for storing user data and a map area for storing map data. The user data and the map data are read from a nonvolatile memory. A size of the user data to be stored in the data are compared with a size of the data area. The size of the data area and the size of the map area are adaptively varied according to the comparison result. | 06-05-2014 |
20140173671 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - The present invention provides a method of processing data. The method of processing data includes receiving a broadcasting signal where mobile service data are multiplexed with main service data, extracting transmission-parameter-channel signaling information and fast-information-channel signaling information from a data group within the received mobile service data; obtaining first program table information describing virtual channel information of an ensemble and a service provided by the ensemble using the fast-information-channel signaling information, the ensemble the ensemble corresponding to a virtual channel group of the received mobile service data, obtaining information indicating that second program table information, which describes an additional service provided by the ensemble, is included in the ensemblem and parsing the second program table information according to the obtained information; and providing the additional service by using the second program table information. | 06-19-2014 |
20140177567 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiver receives a broadcast signal including mobile service data and main service data. A known data detector detects known data from the broadcast signal. An equalizer performs channel equalization on the mobile service data received by means of the detected known data. An RS frame decoder acquires an RS frame from the channel-equalized mobile service data. A management processor extracts a Generic Stream Encapsulation (GSE) packet from a GSE Base Band (BB) constructing one row of the RS frame, and calculates an IP datagram from the extracted GSE packet. A presentation processor displays broadcast data using data contained in the calculated IP datagram. | 06-26-2014 |
20140233462 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The digital broadcast receiver includes a reception unit for receiving a broadcast signal which mobile service data and main service data are multiplexed, an extractor for extracting transmission parameter channel signaling information and fast information channel signaling information from a data group in the received mobile service data, an acquirer for acquiring a program table describing virtual channel information and a service of an ensemble by using the extracted fast information channel signaling information, the ensemble being a virtual channel group of the received mobile service data, a detector for detecting a descriptor defining Internet access information corresponding to the mobile service data by using the acquired program table, and a controller for controlling such that the Internet access information of the detected descriptor and the mobile service data are displayed. | 08-21-2014 |
20140237317 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital receiving system, and a method of processing data are disclosed. The digital receiving system includes a receiving unit, a known sequence detector, and a channel equalizer. The receiving unit receives a broadcast signal including mobile service data and main service data. The known sequence detector detects known data linearly inserted in a data group. The channel equalizer performs channel-equalizing on the received mobile service data using the detected known data. | 08-21-2014 |
20140241248 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and method of processing data are disclosed. Herein, a method of processing data in a transmitting system includes creating a data group including a plurality of mobile service data packets, re-adjusting a relative position of at least one main service data packet of a main service data section, the main service data section including a plurality of main service data packets, and multiplexing the mobile service data of the data group and the main service data of the main service data section in burst units. Herein, a position of an audio data packet among the main service data packets of the main service data section may be re-adjusted. Also, a position of an audio data packet included in the main service data section may be re-adjusted based upon a multiplexing position of the main service data section. | 08-28-2014 |
20140245111 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A method of transmitting broadcast signals includes forward error correction (FEC) encoding mobile data; interleaving the FEC encoded mobile data; encoding signaling information for the mobile data; mapping the interleaved mobile data and the encoded signaling information into a data unit, wherein the data unit includes a first region and a second region, wherein the first region is concatenated with the second region, wherein the first region includes known data and the encoded signaling information, and wherein the second region includes known data and the encoded mobile data; and transmitting the broadcast signals including the data unit, wherein the data unit is multiplexed with a data unit of main data in a specific time period, wherein the signaling information includes information of the data unit having the interleaved mobile data. | 08-28-2014 |
20140267921 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - The present invention provides a data processing method, the data processing method including receiving a broadcasting signal where mobile service data are multiplexed with main service data, extracting transmission-parameter-channel signaling information and fast-information-channel signaling information from a data group within the received mobile service data, parsing first program table information describing virtual channel information of an ensemble and a service provided by the ensemble using the fast-information-channel signaling information, the ensemble the ensemble corresponding to a virtual channel group of the received mobile service data, obtaining information representing that second program table information, which includes a descriptor describing event information of the mobile service data, is received, from the first program table information, parsing the second program table information, and storing the event information and displaying service guide information including the event information. | 09-18-2014 |
20140362855 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A broadcast transmitter and a method of processing broadcast data in the broadcast transmitter are disclosed. The method includes the steps of performing RS encoding and CRC encoding on mobile service data to build RS frames belonging to an ensemble, wherein each of the RS frames are mapped into data groups, wherein each of the data groups comprises known data sequences and a portion of FIC data including information for rapid mobile service acquisition, wherein the information for rapid mobile service acquisition includes transport stream identification information for identifying a mobile broadcast carrying a mobile service that includes the mobile service data and C/N indication information for indicating whether the FIC data are applicable to a current transmission frame or a next transmission frame, multiplexing data in the data groups and main service data, and transmitting a transmission frame including the multiplexed data. | 12-11-2014 |
20150063197 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. A receiver receives a broadcast signal including mobile service data and main service data. A known data detector detects known data from the broadcast signal. An equalizer performs channel equalization on the mobile service data received by means of the detected known data. An RS frame decoder acquires an RS frame from the channel-equalized mobile service data. A management processor extracts a Generic Stream Encapsulation (GSE) packet from a GSE Base Band (BB) constructing one row of the RS frame, and calculates an IP datagram from the extracted GSE packet. A presentation processor displays broadcast data using data contained in the calculated IP datagram. | 03-05-2015 |