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Error Detection/correction And Fault Detection/recovery > Pulse Or Data Error Handling > Digital Data Error Correction > Request For Retransmission Request For RetransmissionRequest For Retransmission patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/08/07 - 20070260956 - Method and system for supporting multiple hybrid automatic repeat request processes per transmission time interval A method and system for supporting multiple hybrid automatic repeat request (H-ARQ) processes per transmission time interval (TTI) are disclosed. A transmitter and a receiver include a plurality of H-ARQ processes to transmit and receive multiple transport blocks (TBs) simultaneously per TTI. The transmitter generates a plurality of TBs and ... 11/01/07 - 20070255993 - Automatic retransmission request control system and retransmission method in memo-ofdm system An automatic retransmission request control system in OFDM-MIMO communication system. In this system, an ACK/NACK output part (320) of a receiver transmits, to a transmitter, a feedback information of positive or negative response based on the result of a cyclic redundancy check. An error data stream decision part (310) of ... 10/25/07 - 20070250751 - Automatic repeat request (arq) scheme During operation each ACK/NAK feedback (200) comprises two fields (201-204). Each field corresponds to the status of previously-received data (e.g., slot, frame, TTI, . . . , etc.). In a first embodiment, field 1 corresponds to the current received data status, while field 2 corresponds to the previous received data ... 10/18/07 - 20070245202 - Hybrid automatic repeat request method in a mobile communication system and transmission/reception method and apparatus using the same A Hybrid Automatic Repeat reQuest (HARQ) method performed in a receiver of a mobile communication system. The HARQ method includes receiving from a transmitter an initial transmission subpacket among a plurality of subpackets; sending a request for transmission of a retransmission subpacket to the transmitter upon failure to decode the ... 10/18/07 - 20070245201 - Method and system for implementing hybrid automatic repeat request A receiver sends hybrid automatic repeat request (H-ARQ) feedback for a current packet and at least one previous packet, whereby an error is detected based on the H-ARQ feedback. The receiver sends H-ARQ feedback with an identification of the packet or a sequence number of a packet that the receiver ... 08/30/07 - 20070204195 - Apparatus and method for tracking packets in a reliably connected transmission system A method and apparatus tracks packets and reliably transmits data over a computer transmission system with a reduced amount of memory needed in the transmission interface. The invention eliminates the need to keep all the packets of data queued until the acknowledge message for that data has arrived. Instead, it ... 08/16/07 - 20070192662 - Dmb system and method for downloading bifs stream and dmb terminal A DMB (Digital Multimedia Broadcasting) system and a method for re-downloading an erroneous BIFS (Binary Format for Scene) stream received by a DMB terminal in a terrestrial DMB system, as well as a DMB terminal. The method includes determining whether an error has occurred in a BIFS object contained in ... 07/19/07 - 20070168826 - Method and system for implementing h-arq-assisted arq operation A method and system for implementing hybrid automatic repeat request (H-ARQ)-assisted automatic repeat request (ARQ) in a wireless communication system are disclosed. When an H-ARQ negative acknowledgement (NACK)-to-positive acknowledgement (ACK) error occurs, the H-ARQ receiver sends an H-ARQ NACK-to-ACK error indicator to the H-ARQ transmitter unless a maximum retransmission limit ... 07/19/07 - 20070168825 - Method and an apparatus for a quick retransmission of signals in a communication system A method and an apparatus for quick retransmission of signals in a communication system are disclosed. A transmitting terminal, e.g., a base station, transmits signals in a form of packets to a receiving terminal, e.g., a subscriber station. The receiving terminal determines if the packet was intended for the receiving ... 07/19/07 - 20070168824 - Data transmission method and data transmission apparatus A data transmission apparatus including a receiving unit for receiving transmitted packets; a priority decision unit; a retransmission packet storage unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit; a transmission queue management unit; and a transmission ... 07/19/07 - 20070168823 - Method and apparatus for preventing network outages A computer implemented method, apparatus, and computer usable program code to determine whether an acknowledgment packet from an end point acknowledges receipt of unsent data in response to receiving the acknowledgement packet over a connection with the end point. A determination is made as to whether acknowledgement packets for unsent ... 07/19/07 - 20070168822 - System and method for dynamically adjusting hybrid arq transmissions There is provided a system and method for dynamically adjusting the maximum number of hybrid ARQ transmissions in a wireless system. More specifically, in one embodiment, there is provided a method comprising generating a plurality of hybrid ARQ sub-packets associated with a packet, wherein a transmitter is configured to transmit ... 07/19/07 - 20070168821 - Arq control in an hsdpa communications system A method of Automatic Repeat request (ARQ) control in a High Speed Downlink Packet Access (HSDPA) communication system. The method includes transmitting (300) control information from a first station to a second station; commencing receipt (312) of the control information at the second station; checking (502) whether the control information ... 07/12/07 - 20070162810 - Retransmission control method and system for multicast information distribution service, retransmission control apparatus, wireless base station and wireless terminal In a retransmission control method for a multicast information distribution service, when information which requires retransmission is generated, a wireless terminal transmits the retransmission request for the information to an information distribution apparatus when a timing determined for the wireless terminal is reached. The information distribution apparatus which receives the ... 06/28/07 - 20070150787 - Apparatus and method for transmitting/receiving high speed shared control channel in wideband wireless communication system Provided is an apparatus and method for transmitting/receiving an HS-SCCH in a wideband wireless communication system. In a method for transmitting control information in an HARQ wireless communication system, an ACK/NACK fed back from a receiver is monitored to determine if an ACK/NACK repetition factor needs to be adjusted. If ... 06/14/07 - 20070136634 - Reception apparatus and reception method When a determination section of a reception apparatus determines that a control channel is intended for the reception apparatus, a comparing section of the reception apparatus compares control information transmitted on the control channel with a reception capability of the reception apparatus. A data channel reception section of the reception ... 06/14/07 - 20070136633 - Codeword automatic repeat request/decoding method and transmission/reception apparatus using feedback information A codeword retransmission/decoding method and transmission/receiving apparatus uses feedback information. When a failure to decode data received from a receiving node occurs, the feedback information including success/failure information of the decoding and retransmission information are transmitted to a transmission node. The retransmission success probability may be increased when the retransmission ... 06/07/07 - 20070130493 - Feedback and frame synchronization between media encoders and decoders Feedback and frame synchronization between media encoders and decoders is described. More particularly, the encoder can encode frames that are based on source content to be sent to the decoder. The encoder can determine whether the frame should be cached by the encoder and the decoder. If the frame is ... 05/31/07 - 20070124640 - Automatic request apparatus and method for multihop system broadband wireless access communication network Provided are an Automatic ReQuest (ARQ) apparatus and method for a multihop system in a broadband wireless access communication system. When the number of ACK MAPs in ARQ feedback information element of ARQ feedback message transmitted from a destination or Multi-Hop Base Transceiver Station (MH-BTS) is not zero, and it ... 05/31/07 - 20070124639 - Retransmission control method and transmitter in wireless communication system In a wireless communication system, in which a frame comprising data and control information necessary for reception processing of the data is transmitted from a transmitter, and in which, when a reception failure is notified by a receiver, the frame that failed to be received is retransmitted, the control information ... 05/17/07 - 20070113140 - Method and apparatus for efficiently retransmitting data in wireless network environment A method and apparatus for efficiently retransmitting data in a wireless network environment are provided. The method includes transmitting a block comprising one or more data frames to a terminal, receiving an acknowledgement of receipt of the block from the terminal, and retransmitting a block comprising data frames that have ... 05/17/07 - 20070113139 - Method for setting environment of mobile communication terminal using multimedia message Provided is a method for setting the environment of a mobile communication terminal providing a Multimedia Messaging Service (MMS). The method includes displaying a received multimedia message, extracting contents from the received multimedia message to construct a theme, setting the environment of the mobile communication terminal by mapping the contents ... 05/17/07 - 20070113138 - Apparatus and method for transmitting and receiving packet data using harq in a mobile communication system A system and method is provided for transmitting packet data in a base station of a wireless communication system using a Hybrid Automatic Repeat Request (HARQ) scheme. The method includes determining a HARQ scheme for use, from among a plurality of HARQ schemes including a Synchronous HARQ (SHARQ) scheme and ... 05/10/07 - 20070106924 - Time monitoring of packet retransmissions during soft handover The present invention relates to a method for scheduling data retransmissions, a method for use in a data retransmission scheme and a method for updating a soft buffer of a base station in a mobile communication system during a soft-handover. The present invention relates to a base station executing the ... 04/05/07 - 20070079207 - Time monitoring of packet retransmissions during soft handover The present invention relates to a method for scheduling data retransmissions, a method for use in a data retransmission scheme and a method for updating a soft buffer of a base station in a mobile communication system during a soft-handover. The present invention relates to a base station executing the ... 03/15/07 - 20070061664 - Wireless communication method and apparatus for detecting and decoding enhanced dedicated channel hybrid automatic repeat request indicator channel transmissions A wireless communication method and apparatus for detecting and decoding enhanced dedicated channel (E-DCH) hybrid automatic repeat request (H-ARQ) indicator channel (E-HICH) transmissions are disclosed. A wireless transmit/receive unit (WTRU) receives E-HICH transmissions and detects an H-ARQ indicator transmitted via the E-HICH by performing a binary hypothesis test. The WTRU ... 02/08/07 - 20070033477 - Packet based retransmission system for dmb service and apparatus therefor Disclosed is a packet based retransmission apparatus for a digital multimedia broadcasting (DMB) terminal supporting DMB service. The apparatus and system includes a DMB receiver for receiving DMB data transmitted through a broadcasting transmission medium; and a DMB transport mode release unit for releasing a DMB transport mode in the ... 12/14/06 - 20060282739 - Automatic repeat request (arq) protocol having multiple complementary feedback mechanisms Methods for efficiently controlling the retransmission of data units in a wireless telecommunication system, wherein multiple complementary feedback mechanisms are used to control retransmission. A receiver attempts to decode each received data unit. If a data unit is successfully decoded, the receiver transmits positive feedback to the transmitter; if a ... 12/14/06 - 20060282738 - Method of providing multimedia messaging service using unique message identifier The present invention relates to a method of providing a multimedia messaging service, which guarantees the uniqueness of a transmitted multimedia message. In the multimedia messaging method using a mobile communication network of the present invention, a multimedia message transmitted from an originating mobile station is stored. A receiving mobile ... 11/16/06 - 20060259845 - Method and apparatus for acknowledging a bitwise data chunk in wireline and wireless communication systems A method and apparatus for acknowledging a bitwise data chunk in wireline and wireless communication systems. Data of at least one chunk is received from a sending node. Bitwise acknowledgement (ACK) information for each chunk is generated after a cumulative ACK. A predetermined message is transmitted in which the information ... 11/16/06 - 20060259844 - Transmission and reception system, transmitter, transmission method, receiver, reception method, and program A transmission and reception system is provided. Based on sequence numbers stored in a normal packet information storage unit, a sequence control unit provides normal packets stored in a transmission buffer with sequence numbers so as to be consecutive to a sequence number of the most recently transmitted normal packet. ... 10/19/06 - 20060236189 - Distributed control apparatus A distributed control system includes a plurality of PLCs which are connected together via active and backup transmission lines which are opposite in transmission direction. Each of the PLCs includes a diagnosis command sending program for sending a diagnosis command, via a diagnosis-command transmission line, which is one of the ... 09/28/06 - 20060218457 - Mobile communication terminal The packet reception section of the cellular phone receives a packet transmitted from the base station and the transmission error detection section detects a transmission error of the received packet. When the transmission error is detected, the retransmission request transmission section transmits a retransmission request to request the retransmission of ... 09/07/06 - 20060200722 - Method for selection of the appropriate harq retransmission scheme for data transmission, a base station and a program module therefore The invention concerns a method for selection of the appropriate HARQ (Hybrid Automatic Repetition Request) retransmission scheme within a base station for data transmission over a communication network to a terminal, whereby said selection is performed repeatedly during data transmission by means of at least one parameter that defines the ... 08/31/06 - 20060195752 - Power saving method for coded transmission Conserving power for coded transmissions comprises ceasing to process parity packets once associated data packets are deemed correct or corrected. Once data packets are deemed correct or corrected, the receiving unit can shut off during the transmission of parity packets. ... 08/10/06 - 20060179390 - Adaptive retransmission for frequency spreading A method and corresponding wireless communication equipment, for use for example in connection with automatic retransmission request protocols for orthogonal frequency and code division multiplexing (OFCDM) wireless communication, the method including: a step in which the wireless communication equipment communicates an original transmission of a signal including two symbol streams ... 07/13/06 - 20060156163 - Method and device for decoding packets of data within a hybrid arq scheme A device for decoding an incident FEC encoded packet of data within an ARQ scheme. The device includes a processor or processing means for performing successive decoding processes of successive intermediate FEC code encoded packets related to the incident FEC code encoded packet. The processor or processing means includes a ... 07/13/06 - 20060156162 - Apparatus and method for retransmitting data in mobile communication system In retransmitting data at high speed by a PHY layer in a mobile communication system, when data to be transmitted to the receiver is received from the MAC layer of the transmitter, the PHY layer of the transmitter transmits the data to the PHY layer of the receiver, receives first ... 07/06/06 - 20060150050 - Apparatus and method for retransmitting data in a communication system In retransmitting data by a transmitter in a mobile communication system, a transmitter sets an allowed number-of-transmissions Ctx for an initial transmission and a retransmission of a second data unit based on a first data unit, fragments the first data unit into N second data units, and then initially-transmits or ... 05/18/06 - 20060107167 - Multiple antenna communication system using automatic repeat request error correction scheme An Automatic Repeat reQuest (ARQ) error correction transmitting apparatus and method in a multiple antenna system are provided. In the ARQ error correction apparatus, a serial-to-parallel converter converts serial input data to parallel data, a retransmission processor determines a permutation transmission mode with respect to an initial transmission mode, in ... 05/18/06 - 20060107166 - Enhanced block acknowledgement Embodiments disclosed herein address the need in the art for enhanced block acknowledgement. In one embodiment, a receiver indicates a decoding delay for a maximum size aggregate frame in Block Ack negotiation, which may be used by a transmitter to determine to which Block Ack Request a Block Acknowledgement is ... 05/18/06 - 20060107165 - Transmitting apparatus, receiving apparatus, and re-transmission control method A wireless communication device performs error correction decoding after combining newly received data from a new transmission of data and retransmitted received data from a retransmission of the data. The wireless communication device comprises a storage unit operable to store newly received data, a reception quality evaluation unit operable to ... 05/18/06 - 20060107164 - Method and apparatus for adjusting service rate to adapt to channel conditions An approach is disclosed for a satellite terminal to utilize a lower transmit rate when transmission conditions do not permit the terminal to successfully transmit at a higher, preferred service rate. The terminal monitors retransmissions to determine whether transmission is possible at the higher rate. As an initial measure, the ... 05/04/06 - 20060095826 - Semiconductor memory chip, semiconductor memory module and method for transmitting write data to semiconductor memory chips A semiconductor memory module includes a plurality of semiconductor memory chips. Each semiconductor memory chip includes an interface circuit that is configured to detect a transmission error in a write datum and is further configured to output, via a separate signal path, a repeat request signal for the repeated transmission ... 04/20/06 - 20060085717 - Communications method, communications apparatus and communications system using same communications apparatus A communications method carries out error-correction encoding of data, generation of a suitable packet in accordance with a retransmission request from a receiving side, and transmission of the packet to the receiving side, from a transmission side. In the receiving side, the communications method performs error-correction decoding of the received ... 03/30/06 - 20060069976 - Radio apparatus for performing automatic retransmission A radio apparatus is disclosed for improving the throughput of data transfer using a HARQ-based automatic retransmission. The radio apparatus performs a HARQ-based automatic retransmission. In this event, a redundancy version control unit identifies a redundancy version in the retransmission based on a redundancy version in the preceding transmission in ... 03/23/06 - 20060064621 - Apparatus and method for tracking packets in a reliably connected transmission system A method and apparatus tracks packets and reliably transmits data over a computer transmission system with a reduced amount of memory needed in the transmission interface. The invention eliminates the need to keep all the packets of data queued until the acknowledge message for that data has arrived. Instead, it ... 03/16/06 - 20060059399 - Determining a number of automatic request retransmissions based on block size The present invention provides a method of wireless telecommunication of a message having a block size. The method includes determining a number of retransmissions of the message based upon the block size. ... 02/23/06 - 20060041815 - System and method for retransmission of voice packets in wireless communications A system and method for retransmission of voice packets in wireless communications are provided. The method includes transmitting a voice packet from a base station to a communication unit or from a communication unit to a base station at a rate faster than a generation rate of the voice packet. ... 02/16/06 - 20060036922 - Apparatus and method for changing signal mapping rule in a hybrid automatic repeat request system An apparatus and method for changing a signal mapping rule in an hybrid automatic repeat request (HARQ) system are provided. In a transmitter in an automatic repeat request (ARQ) system according to the present invention, a memory stores different signal constellations for a predetermined modulation scheme according to retransmission numbers ... 12/22/05 - 20050283701 - Harq device and method for mobile communication system There is provided a device and method for retransmitting error-detected data in a mobile communication system. A transmitter generates S sub-codes Ci (i=0, 1, 2, . . . , S−1) from a physical layer packet (PLP) information stream using quasi-complementary turbo codes, initially transmits the first sub-code C0, and then ... 12/15/05 - 20050278601 - Increasing reliability of receiving control messages A controller (100) for a wireless communication system determines whether a multiframe control message is imminent, and activates (404, 406) a buffer (112) for storing received frames of a first transmission (202, 204, 206) of the multiframe control message, when the multiframe control message is imminent. The controller receives a ... 11/10/05 - 20050251721 - Incremental redundancy operation in a wireless communication network The invention relates to incremental redundancy operation, and a basic idea of the invention is to provide an extended acknowledgment feedback, for each of a number of data blocks, from the receiving side to the transmitting side to enable indication whether any soft information associated with at least one sub-block ... 10/20/05 - 20050235190 - Data receiving apparatus and hybrid-arq communication system A receiver receives data transmitted from a transmitter. The data is stored in a buffer, and a reliability value of the data is computed by a computing unit. A determining unit determines reliability of the data by comparing a reliability value of existing data in the buffer and a reliability ... 10/13/05 - 20050229072 - Multimedia content delivery using pre-stored multiple description coded video with restart An embodiment of the present invention includes a buffer, a selector, and an analyzer. The buffer stores at least a default stream coded by a multiple description (MD) coding and a restart stream coded by a predictive coding. The default and restart streams correspond to a media content. The selector ... 10/13/05 - 20050229071 - Data error control method A data error control method for data passing through error correction encoding. It has a radio frame including fields for storing the data, a data number associated with said data and a retransmission request data number. It receives the radio frame from a data transmitting end. If an error is ... 09/29/05 - 20050216812 - Data repair enhancements for multicast/broadcast data distribution A method, system, device, and computer code product is disclosed in which a sender transmits data to a plurality of receivers via a point-to-multipoint session. The receiver sends data repair requests to the sender requesting data expected but not received and the sender retransmits the expected but not received data ... 09/22/05 - 20050210355 - Retransmission ordering method, wireless communication system, receiver and transmitter Disclosed is a wireless communication system wherein frame data is encoded with an outer code and then divided into predetermined number of blocks which are encoded with an inner code into transmission data which a receiver receives by wireless In the receiver, a decoder decodes the received transmission data in ... 09/15/05 - 20050204252 - Reception apparatus A transmission-reception apparatus does not configure ARQ control information from only sequence number, but the transmission-reception apparatus configures the ARQ control information such that the ARQ control information is comprised of one sequence number containing first occurrence of a corresponding packet's error, and bit information representing existence of retransmission requirements ... 09/15/05 - 20050204251 - Transceiver apparatus and method for efficient retransmission of high-speed packet data A method for retransmitting coded bits by a transmitter in response to a retransmission request from a receiver in a mobile communication system. The method comprises determining a modulation technique to be used at retransmission as a modulation technique having a lower modulation order than a modulation technique used at ... 09/15/05 - 20050204250 - Method of retransmitting data frame and network apparatus using the method A method of retransmitting a data frame and a network apparatus using the method are provided. In the method performed in a wireless network, a first network apparatus transmits a data frame requesting a response frame. A second network apparatus determines a type of response frame according to a reception ... 08/18/05 - 20050182995 - Data repair The invention relates to a method for data repair in a system capable of one-to-many transmission. The method comprises transmitting data from a sender to at least one receiver and provides for various sender driven or receiver driven repair methods of missing data. ... 08/18/05 - 20050182994 - Method and apparatus for link error prediction in a communication system A method is provided to accurately predict the probability of successfully recovering frames of (coded) information received over a wireless link, without having to decode the frame. This method, which consists of three steps, requires only limited information about the received signals and the forward error correction code and retransmission ... 08/04/05 - 20050172198 - System and method for retransmission of data A received RF signal can include data information intended for transmission over a wireless communication link. The data information of the signal can be processed at a node to produce overhead bits supporting a serial transmission of the data information over a communication medium to another node. For example, the ... 08/04/05 - 20050172197 - Adaptive rate code combining automatic repeat request (arq) communications method and system A method and system reduces data error in an automatic repeat request (ARQ) communications system. Data is code-combined in a communications session that uses an automatic repeat request protocol by sending alternate phases of an encoder state. The underlying signaling constellation is changed when code-combining performance degrades. An optimal signaling ... 06/09/05 - 20050125713 - Server system for performing communication over wireless network and communication method thereof Disclosed are a server system for performing communication over a wireless network and a communication method thereof. The server system comprises at least one client device and a server device for performing a state monitoring operation or a control operation for the client device over the wireless network. When a ... ### FreshPatents.com Support |