Patent application number | Description | Published |
20090005090 | Method for Providing Global Short Message Service - The present invention relates to a method of transferring a SMS between countries using different kinds of languages, that is, Mobile Stations (MSs) using different kinds of languages, and a computer-readable recording medium for implementing the SMS transfer method. The present invention provides a method of writing/transmitting a SMS by selecting and inputting a specific one of several foreign languages, which can be input in a receive MS, to transfer a SMS written in a foreign language from a transmit MS using a first language as a main language to the receive MS using a foreign language as a main language through a P2P network in which SMS nodes are independently connected on a country basis. The method includes {circle around (1)} a foreign language character input program installation step, {circle around (2)} a message transmission step, {circle around (3)} a global transmission step and {circle around (4)} a message reception step. According to the present invention, a global SMS can be transmitted conveniently and economically between countries using different kinds of languages, which was difficult due to the difference in a language structure in the prior art. | 01-01-2009 |
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 |
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 |
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 |
20090257391 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING DATA IN THE TRANSMITTING/RECEIVING SYSTEM - A transmitting/receiving system and a data processing method of the same are disclosed herein. The receiving system may include a receiving unit, a signaling decoder, and an FIC handler. The receiving unit receives a broadcast signal including mobile service data configuring a data group. Herein, a transmission frame consists of multiple sub-frame, a sub-frame consists of multiple slots, and the data group is allocated to at least one slot. The signaling decoder acquires an FIC segment from the broadcast signal. Herein the FIC segment consists of an 35-byte FIC segment payload including a portion of a signaling information between at least one ensemble and at least one mobile service, and an 2-byte FIC segment header including current/next (C/N) indication information indicating whether data of the FIC segment payload corresponds to information of a current transmission frame or to information of a next transmission frame. The FIC handler recovers at least one of an FIC chunk including signaling information between at least one ensemble and at least one mobile service of the current transmission frame and an FIC chunk including signaling information between at least one ensemble and at least one mobile service of the next transmission frame, from the payload of each FIC segment by using the C/N indication information. | 10-15-2009 |
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 |
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 |
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 |
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 |
20100239026 | 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/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 data. A packet formatter generates one or more groups of enhanced data packets, each enhanced data packet including the pre-processed enhanced data and known data, wherein the data formatter adds burst time information into each group of enhanced data packets. And, a packet multiplexer generates at least one burst of enhanced data by multiplexing the one or more groups of enhanced data packets with at least one main data packet including the main data, each burst of enhanced data including at least one group of enhanced data packets. | 09-23-2010 |
20100271557 | 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/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 data. A packet formatter generates one or more groups of enhanced data packets, each enhanced data packet including the pre-processed enhanced data and known data, wherein the data formatter adds burst time information into each group of enhanced data packets. And, a packet multiplexer generates at least one burst of enhanced data by multiplexing the one or more groups of enhanced data packets with at least one main data packet including the main data, each burst of enhanced data including at least one group of enhanced data packets. | 10-28-2010 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |