Patent application number | Description | Published |
20100182503 | APPARATUS FOR TRANSCEIVING POINT TO POINT MOVING SIGNAL RECEPTION HIGH CHANNEL USING HOTRIZONTAL BLANKING INTERVAL AND METHOD FOR EXCUTING THE APPARATUS - Provided are a method and apparatus for transceiving an asymmetric point-to-point moving signal and securing an uplink channel using a horizontal blanking interval (HBI) in which a video signal transceiving apparatus can combine a plurality of HBIs and a plurality of active lines (ALs) into a single section, and when auxiliary data exists in a corresponding HBI, can change an order of the HBI to the last and transmit map information including arrangement information to a video signal display apparatus, and the video signal display apparatus can receive the map information and analyze the received map information to thereby acquire an uplink channel using HBI excluding auxiliary data and transmit control signal data via the acquired uplink channel. | 07-22-2010 |
20100195646 | APPARATUS AND METHOD FOR TRANSMIT/RECEIVE OF IMAGE DATA - Disclosed are an apparatus and method for transmitting/receiving image data. The method for transmitting image data includes classifying each pixel of image data into upper bits and lower bits, enabling the classified upper bits to be included in a payload of a Most Significant Bit (MSB) packet, and also enabling the classified lower bits to be included in a payload of a Least Significant Bit (LSB) packet, generating a header of the MSB packet and a header of the LSB packet, combining the payload and the header to respectively generate the MSB packet and the LSB packet, and transmitting the generated MSB packet and the LSB packet. | 08-05-2010 |
20100208832 | FRAME STRUCTURE FOR FAST WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR FAST WIRELESS COMMUNICATION USING THE FRAME - A method of configuring a frame for fast wireless communication and an apparatus for fast wireless communication are provided. The apparatus for fast wireless communication includes: a frame configuration unit configuring a frame including transmission data; a demultiplexing unit demultiplexing the transmission data included in the frame into N number of parallel streams (N: positive number greater than 2); N number of coding and modulation units connected in parallel to perform error correction coding and orthogonal frequency division multiplexing (OFDM) with respect to each of the N number of parallel streams; and a multiplexing unit multiplexing outputs of the N number of coding and modulation units into serial streams. | 08-19-2010 |
20100233967 | METHOD FOR APPLYING AMPLITUTE USE TO DIGITAL AMPLYFIER WITH VARIABLE BIT RESOLUTION OR CLOCK FREQUENCY AND APPARATUS FOR EXECUTING THE METHOD - Disclosed is an adaptive modulation scheme and apparatus thereof using an Analog/Digital (AJO) converter with variable bit resolution or clock frequency, the A/D converter including a transmitter including a modulator to modulate data to be transmitted according to a modulation scheme received from a receiver, an A/D converter to convert the modulated data into an analog signal using a bit resolution or a clock frequency received from the receiver, and a radio frequency (RF) processor to transmit the analog signal to the receiver through a wireless channel and a receiver including an RF processor to receive data through a wireless channel, a calculator to calculate a Signal to Noise Ratio (SNR) of the data received through the RF processor, and a modulation controller to search a predetermined setting table for a corresponding modulation scheme and bit resolution using the calculated SNR and to transmit to a transmitter. | 09-16-2010 |
20100260042 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM - Disclosed are a data transceiver and a method thereof in a wireless communication system, and particularly, is a data transceiver and method thereof using multiple routes in the wireless communication system. The data transmitting/receiving method using the multiple routes in the wireless communication system includes setting a direct route to a corresponding station and a relay route to a relay device, selecting one route from among the direct route and relay route, and transmitting/receiving data through the selected route. | 10-14-2010 |
20100265888 | APPARATUS AND METHOD FOR SUPER FINE POSITIONING WITH NETWORKS IN TIERED STRUCTURE - A super fine positioning apparatus is provided. A super fine positioning apparatus, including: a network module unit comprising a plurality of network modules which processes a signal among a user terminal and a plurality of communication networks, the plurality of communication networks being sorted by a positioning precision; a network module control unit which sequentially selects the plurality of network modules and controls connection to the plurality of network modules; a positioning calculation unit which sequentially connects to the plurality of network modules and calculates a location of the user terminal according to each connection phase; and a database which stores information about the user terminal and provides the network module control unit and positioning calculation unit with the information. | 10-21-2010 |
20100296599 | MULTI-ANTENNA COMMUNICATION METHOD AND SYSTEM THEREOF - A multiple antenna communication method and a multiple antenna communication system are provided. The multiple antenna communication method includes: determining a weighting vector with respect to a plurality of transmit antennas, using a spread spectrum code; determining a target transmission rate of each of the transmit antennas using the determined weighting vector; transmitting information associated with the target transmission rate to a multiple antenna reception apparatus; receiving, from the multiple antenna reception apparatus, channel information including information regarding whether to accept the transmitted target transmission rate information; and transmitting data to the multiple antenna reception apparatus using the received channel information. | 11-25-2010 |
20100325301 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING STREAMING DATA USING MULTIPLE PATH - The present invention relates to an apparatus and method for transmitting/receiving streaming data using multiple paths, in which the streaming data is smoothly reproduced without being interrupted, and more particularly, to an apparatus and method for transmitting/receiving streaming data using multiple paths, in which exchange of the streaming data is performed in real-time using the multiple paths regardless of obstacles. The method for transmitting streaming data using multiple paths includes managing and maintaining a path list including sequence information about a transmission path capable of transmitting data, framing the streaming data, and transmitting the framed streaming data via the transmission path according to the sequence information. | 12-23-2010 |
20110028106 | SYSTEM AND METHOD FOR MODULATING DATA ADAPTIVELY USING SELECTION OF MULTI ANTENNA - An adaptive modulation apparatus and method using a multiple antenna selection scheme are provided. The adaptive modulation method using the multiple antenna scheme includes: selecting one transmit antenna from a plurality of transmit antennas; determining a target transmission rate of the selected transmit antenna to transmit the determined target transmission rate to a multiple antenna reception apparatus; receiving, from the multiple antenna reception apparatus, feedback information including information regarding whether to accept the target transmission rate; and transmitting data to the multiple antenna reception apparatus using the received feedback information. | 02-03-2011 |
20110032953 | TIME DIVISION MULTIPLEXING COMMUNICATION SYSTEM WITH PARALLEL STRUCTURE AND METHOD FOR THE SAME - Disclosed are a Time Division Multiplexing (TDM) communication system with a parallel structure and a method for the same. A transmission apparatus of the TDM communication system with the parallel structure includes a Time Division Demultiplexer (TDDM) to perform time division demultiplexing of inputted first serial signals to thereby output the demultiplexed serial signals as a plurality of parallel signals, a plurality of modulators to respectively modulate the outputted parallel signals; a Time Division Multiplexer (TDM) to adjust a multiplexing ratio according to channel-related information, and to perform time division multiplexing of each of the modulated parallel signals in the adjusted multiplexing ratio to thereby output the multiplexed parallel signals as second serial signals, and a transmission antenna to transmit the outputted second serial signals. | 02-10-2011 |
20110170573 | METHOD AND APPARATUS FOR MANAGING DEVICE DISCOVERY IN WIRELESS SYSTEM - Provided is a method and apparatus for managing a device discovery in a wireless system. The device discovery management method may include: transmitting, by a discovery device, a discovery beacon that contains information associated with a discovery scanning duration; and receiving, from a neighboring device, a response message to the discovery beacon in the discovery scanning duration. | 07-14-2011 |
20110200072 | METHOD AND APPARATUS FOR SELECTING A CHANNEL IN WIDEBAND HIGH FREQUENCY WIRELESS SYSTEM - Provided is a method and apparatus for selecting a channel in a wideband high frequency wireless system. The channel selection method may include: generating a channel scanning request frame that includes a channel bitmap, wherein the channel bitmap denotes information regarding a channel to be scanned by a neighboring device; transmitting the channel scanning request frame to the neighboring device; receiving a channel scanning response frame corresponding to the channel scanning request frame; and selecting a channel for a communication with the neighboring device, based on the channel scanning response frame. | 08-18-2011 |
20120307673 | APPARATUS AND METHOD FOR BROADBAND WIRELESS LOCAL AREA COMMUNICATION - Provided is an apparatus and method for wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a first time interval and a second time interval for a cooperated data frame transfer based on a packet transmission time at each transmission from a source node to a destination node, transmit a frame to a relay node through an antenna pattern directed towards the relay node at a start point of the first time interval, and transmit the frame to the destination node through an antenna pattern directed towards the destination node to after a predetermined period of time from a start point of the second time interval. | 12-06-2012 |
20120314609 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FRAME THROUGH RELAY - The present invention provides a wireless communication method used for transmitting and receiving a relay in a wireless local area network system. The wireless local area network system according to an embodiment of the present invention relates to a wireless communication method of setting a relay link through a relay and setting a transmission time point at which a data frame is transmitted in a source device by recognizing a propagation delay between devices, and the like when an operation mode of the set relay corresponds to a cooperating mode. | 12-13-2012 |
20120320763 | WIDEBAND NEAR FIELD COMMUNICATION APPARATUS AND METHOD - Provided is an apparatus and method for performing a wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a change of a relay operation type based on a link quality between a source node and a relay node, a link quality between the relay node and the destination node, and a link quality between the source node and the destination node, transmit a relay operation change (ROC) request message in response to a determination of the change of the relay operation type, and receive an ROC response message corresponding to the ROC request message. | 12-20-2012 |
20130003689 | METHOD AND APPARATUS FOR ALLOCATING RESERVATION RESOURCE FOR RELAY IN WIRELESS COMMUNICATION SYSTEM USING MEDIA ACCESS CONTROL BASED ON RESERVATION - Provided is a communication method of a coordinator in a wireless networks system that uses a reservation-based media access control (MAC). The communication method includes receiving, from a source device, a frame that requests a reservation resource for a relay device, to enable a frame that the source device transmits to a destination device to be relayed via the relay device, and allocating the reservation resource for the relay device, in response to the request. | 01-03-2013 |
20130034045 | COMMUNICATION METHOD FOR A COORDINATOR, A RELAY DEVICE, A SOURCE DEVICE AND A DESTINATION DEVICE INCLUDED IN A WIRELESS NETWORK - Provided is a communication method of a coordinator, the method including: receiving a relay search request frame for requesting a search for at least one relay station between a destination station and a source station; and transmitting, in response to the relay search request frame, a relay search response frame including a list of the at least one relay station so that the source station selects a target relay station from the at least one relay station. | 02-07-2013 |
20130039201 | COMMUNICATION METHOD AMONG A SOURCE DEVICE, A DESTINATION DEVICE AND A RELAY DEVICE - A communication method of a source device according to an embodiment includes detecting a status of a first link directly connected from the source device to a destination device or a status of a second link connected from the source device to the destination device via a relay device, selecting any one of the first link and the second link based on a result of the detection, and transmitting data using the selected link. | 02-14-2013 |
20130113991 | APPARATUS FOR TRANSCEIVING POINT TO POINT MOVING SIGNAL RECEPTION HIGH CHANNEL USING HORIZONTAL BLANKING INTERVAL AND METHOD FOR EXECUTING THE APPARATUS - Provided are a method and apparatus for transceiving an asymmetric point-to-point moving signal and securing an uplink channel using a horizontal blanking interval (HBI) in which a video signal transceiving apparatus can combine a plurality of HBIs and a plurality of active lines (ALs) into a single section, and when auxiliary data exists in a corresponding HBI, can change an order of the HBI to the last and transmit map information including arrangement information to a video signal display apparatus, and the video signal display apparatus can receive the map information and analyze the received map information to thereby acquire an uplink channel using HBI excluding auxiliary data and transmit control signal data via the acquired uplink channel. | 05-09-2013 |
20130315219 | APPARATUS AND METHOD OF INDICATING BANDWIDTH IN WIRELESS COMMUNICATION SYSTEM - The phase rotation relates to an apparatus and method of indicating a bandwidth in a wireless communication system. This disclosure discloses a wireless device comprising a transmission transmitting and receiving a wireless signal and a processor operating in operative connection with the transmission, wherein the processor generates a PPDU (physical protocol data unit) to which a phase rotation application is selectively applied depending on a case of bandwidth indication or a case of no bandwidth indication. | 11-28-2013 |
20140192824 | APPARATUS AND METHOD FOR TRANSMIT/RECEIVE OF IMAGE DATA - Disclosed are an apparatus and method for transmitting/receiving image data. The method for transmitting image data includes classifying each pixel of image data into upper bits and lower bits, enabling the classified upper bits to be included in a payload of a Most Significant Bit (MSB) packet, and also enabling the classified lower bits to be included in a payload of a Least Significant Bit (LSB) packet, generating a header of the MSB packet and a header of the LSB packet, combining the payload and the header to respectively generate the MSB packet and the LSB packet, and transmitting the generated MSB packet and the LSB packet. | 07-10-2014 |
20140294109 | METHOD AND APPARATUS FOR OPPORTUNISTIC INTERFERENCE ALIGNMENT (OIA) IN SINGLE-USER MULTIPLE-INPUT MULTIPLE-OUTPUT (SU-MIMO) TRANSMISSION - A method and apparatus for opportunistic interference alignment (OIA) in single-user multiple-input multiple-output (SU-MIMO) transmission, the method including selecting an interference space, broadcasting information on the selected interference space, selecting a user terminal to be assigned a transmission opportunity for each subchannel based on leakage of interference (LIF) information when a request to send (RTS) message including the LIF information is received from at least one user terminal, and transmitting data to the selected user terminal. | 10-02-2014 |
20140294110 | METHOD AND APPARATUS FOR OPPORTUNISTIC INTERFERENCE ALIGNMENT (OIA) IN MULTI-USER MULTIPLE-INPUT MULTIPLE-OUTPUT (MU-MIMO) TRANSMISSION - A method and apparatus for opportunistic interference alignment (OIA) in multi-user multiple-input multiple-output (MU-MIMO) transmission, the method including broadcasting a random beam, receiving, from a terminal, feedback information determined based on the random beam, selecting at least one terminal to which data is to be transmitted from among terminals based on the feedback information, adjusting a transmission power based on the feedback information, and transmitting data to the selected at least one terminal based on the adjusted transmission power. | 10-02-2014 |
20140301294 | METHOD FOR DIRECT COMMUNICATION BETWEEN STATIONS IN WIRELESS LOCAL AREA SYSTEM - Disclosed is a method for direct communication between stations. The method for direct communication between stations may include: receiving scheduling information on a frequency selective transmission (FST) from an access point; setting up a link for communication with another station based on the scheduling information; and communicating with the other station using the link. | 10-09-2014 |
20140321357 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM - A communication method including setting a direct route to a station, the station transmitting an information element in which a relay support capability field is set to 1, setting a relay route to a relay device, the relay device transmitting an information element in which a relay capability field is set to 1, and transmitting data via at least one of the direct route or the relay route; and a communication apparatus for implementing the communication method. | 10-30-2014 |
20140362715 | APPARATUS AND METHOD FOR BROADBAND WIRELESS LOCAL AREA COMMUNICATION - Provided is an apparatus and method for wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a first time interval and a second time interval for a cooperated data frame transfer based on a packet transmission time at each transmission from a source node to a destination node, transmit a frame to a relay node through an antenna pattern directed towards the relay node at a start point of the first time interval, and transmit the frame to the destination node through an antenna pattern directed towards the destination node after a predetermined period of time from a start point of the second time interval. | 12-11-2014 |
20140370802 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FRAME THROUGH RELAY - The present invention provides a wireless communication method used for transmitting and receiving a relay in a wireless local area network system. The wireless local area network system according to an embodiment of the present invention relates to a wireless communication method of setting a relay link through a relay and setting a transmission time point at which a data frame is transmitted in a source device by recognizing a propagation delay between devices, and the like when an operation mode of the set relay corresponds to a cooperating mode. | 12-18-2014 |
20150016558 | UPLINK MULTI-USER MULTIPLE-INPUT AND MULTIPLE-OUTPUT (UL MU-MIMO) TRANSMISSION REQUEST METHOD IN UL MU-MIMO COMMUNICATION - Provided is a method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication in an access point (AP), the method including transmitting, to each of a plurality of stations (STAs), an uplink multi-user request (UL MU request) frame requesting transmission of a data frame, and receiving, from each of the plurality of STAs, the data frame during an identical period of time based on an identical reception intensity, wherein the UL MU request frame includes at least one of information on a transmission time of the data frame and information on a reception intensity of the data frame in the AP. | 01-15-2015 |
20150043482 | METHOD OF TRANSMITTING AND RECEIVING FRAME FOR UPLINK MULTI-USER MULTIPLE-INPUT AND MULTIPLE-OUTPUT (UL MU-MIMO) COMMUNICATION - Provided is a method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication in an access point (AP), the method including determining at least one transmission station (STA), transmitting, to the transmission STA, an uplink multi-user poll (UL MU poll) frame requesting a data frame, receiving the data frame from the at least one transmission STA simultaneously, and transmitting an acknowledgement (ACK) frame to the at least one transmission STA in response to the receiving. | 02-12-2015 |
20150078193 | COMMUNICATION METHOD FOR SOURCE DEVICE, DESTINATION DEVICE AND RELAY DEVICE - A communication method of a source device according to an embodiment includes detecting a status of a first link directly connected from the source device to a destination device or a status of a second link connected from the source device to the destination device via a relay device, selecting any one of the first link and the second link based on a result of the detection, and transmitting data using the selected link. | 03-19-2015 |