204 results about "Automatic repeat request" patented technology

The invention discloses a private network data security detection method based on big data, and belongs to the field of security detection, and the method comprises the steps: obtaining a real-time data packet from private network traffic, encoding the data packet through a forward error correction code technology, generating redundancy check information, and obtaining an encoded data packet; if a bit error is detected in the transmission process of the coded data packet, requesting a sending end to retransmit a damaged data packet through an automatic retransmission request mechanism to obtain a retransmitted data packet; adjusting the redundancy of a forward error correction code and a trigger threshold of an automatic retransmission request according to the adaptive error correction parameter, generating an optimized error correction scheme, and obtaining a repaired data packet; and aiming at the alarm processing instruction, automatically adjusting a network flow control strategy, limiting the transmission bandwidth of an abnormal destination, updating the sensitive data fingerprint database, and obtaining optimized protection configuration.

Systems, apparatuses, methods, and computer-readable media are provided for a user equipment (UE) in a wireless communication system using an unlicensed spectrum. The UE includes a processor circuitry and radio front end circuitry coupled with the processor circuitry. The processor circuitry is configured to determine UE processing time for a first physical downlink shared channel (PDSCH) transmission and a second PDSCH transmission, and an additional processing time corresponding to the first and the second PDSCH transmissions. The processor circuitry is configured to process a hybrid automatic repeat and request acknowledgement (HARQ-ACK) assessment information for inclusion in a subframe on a physical uplink control channel (PUCCH) following the UE processing time and the additional processing time. The radio front end circuitry is configured to receive the first and the second PDSCH transmissions from a base station, and transmit the HARQ-ACK assessment information on the PUCCH to the base station.

A user equipment maps a high priority hybrid automatic repeat request-acknowledgment / negative acknowledgment (HARQ-ACK / NACK) information to one or more resource elements (REs), and maps one or more of a low priority HARQ-ACK / NACK information, channel state information (CSI), or uplink-shared channel (UL-SCH) data to REs while rate matching around the mapped high priority HARQ-ACK / NACK REs. A network entity receives an uplink transmission, including high and low priority HARQ-ACK / NACK information, CSI, and UL-SCH data mapped to high and low priority HARQ-ACK / NACK REs, CSI REs, and UL-SCH REs, respectively. The low priority HARQ-ACK / NACK REs, the CSI REs, and the UL-SCH REs are rate matched around the high priority HARQ-ACK / N ACK REs. The network entity demaps and decodes the REs of the high and low priority HARQ-ACK / NACK, the CSI, and UL-SCH to obtain the high and low priority HARQ-ACK / NACK information, CSI, and UL-SCH data.

The present disclosure is related to techniques for Hybrid Automatic Repeat Request (HARQ) feedback control which can be used with a multicast service or any group-based service. In an embodiment, a UE is configured to decode a first DCI and a second DCI by using a first group identification (ID) to obtain a first downlink assignment index (DAI) and a second DAI respectively; decode a first PDSCH reception scheduled by the first DCI to generate a first HARQ bit, and decode a second PDSCH reception scheduled by the second DCI to generate a second HARQ bit; and arrange the first and the second HARQ bits for the first and the second PDSCH receptions in a first HARQ codebook, wherein a first position of the first HARQ bit in the first HARQ codebook is indicated by a first counter DAI (C-DAI) included in the first DAI, and a second position of the second HARQ bit in the first HARQ codebook is indicated by a second C-DAI included in the second DAI.

A hybrid automatic repeat request (HARQ) process disabling method, a receiving device, and a sending device in communication, the method including a receiving device obtaining indication data, where the indication data is used to indicate to disable a HARQ process, and the receiving device disabling the HARQ process.

The invention relates to a fixed redundancy coding and selective retransmission system based on an FPGA (Field Programmable Gate Array) and a transmission method thereof, and aims to solve the technical problems of low efficiency, high calculation delay and low transmission real-time performance of a hybrid FEC (Forward Error Correction) and ARQ (Automatic Repeat Request) transmission system for real-time video transmission in the prior art. The fixed redundancy coding and selective retransmission system based on the FPGA comprises a data sending system and a data receiving system, the data sending system classifies received video source data into a key frame data stream and a non-key frame data stream, the key frame data stream is subjected to fixed high redundancy coding, and the non-key frame data stream is subjected to non-key frame coding; the non-key frame data stream is subjected to fixed low-redundancy coding, the data receiving system carries out packet loss detection on the key frame data stream, if it is detected that the key frame data stream is lost, a retransmission request is sent to the data sending system, and after the data sending system receives the retransmission request, the stored key frame data stream is resent to the data receiving system.

Embodiments of this disclosure provide a hybrid automatic repeat request (HARQ) bitmap information feedback method and a related device. The method includes: A terminal receives indication information from an access network device, where the indication information is used to determine whether HARQ feedback is needed for a transmit block transmitted in a plurality of downlink transmission units. The terminal determines HARQ bitmap information based on the indication information, where the HARQ bitmap information includes HARQ feedback information of at least one target transmission unit, and the target transmission unit indicates a downlink transmission unit that needs HARQ feedback in the plurality of downlink transmission units. The terminal sends the HARQ bitmap information to the access network device. Some embodiments of the present disclosure can reduce feedback resource overheads in an NTN scenario, reduce a communication delay, and improve a communication throughput rate.

The present disclosure relates to a method performed by a communication apparatus. The method comprising: transmitting a Radio Link Control (RLC) Service Data Unit (SDU) corresponding to a Protocol Data Unit (PDU) or a PDU set; starting a discard timer; performing at least one automatic repeat request (ARQ) retransmission of the RLC SDU in a case where the communication apparatus receives information indicating a specific RLC SDU is not received successfully and the discard timer is running; and stopping the at least one ARQ retransmission in a case where at least one of: the discard timer has been expired, a discard indication for the specific RLC SDU has been obtained from a Packet Data Convergence Protocol (PDCP) layer, or a number of the at least one ARQ retransmission has reached to a specific number.

A method and a user equipment for performing a Hybrid Automatic Repeat Request (HARQ) operation are provided. The method includes: receiving, from a Base Station (BS), a first configuration for a serving cell, the first configuration including a first bitmap for indicating a HARQ mode of each HARQ process in a first HARQ process set, each bit in the first bitmap being associated with a corresponding HARQ process in the first HARQ process set; and identify, based on the first bitmap, whether each HARQ process in the first HARQ process set is related to a first HARQ mode or a second HARQ mode.

A wireless transmit / receive unit (WTRU) is configured to receive configuration information. The configuration information comprises an indication of a sidelink hybrid automatic repeat request (HARQ) round trip time (RTT) timer and a sidelink HARQ retransmission timer. The WTRU is configured to start the HARQ RTT timer based on whether the WTRU is configured with resources for a physical uplink control channel (PUCCH) for reporting sidelink HARQ feedback. The WTRU is configured to start the sidelink HARQ RTT timer after an end of a corresponding PUCCH transmission that includes SL HARQ feedback, on a condition that the WTRU is configured with resources for the PUCCH transmission. The WTRU is configured to start the sidelink HARQ RTT timer following a reception of a downlink control information that schedules a sidelink transmission, on a condition that the WTRU is not configured with PUCCH resources.

The invention discloses an information processing method and device, equipment and a storage medium. The method comprises the following steps: determining whether to switch a hybrid automatic repeat request (HARQ) mode or modify configuration authorization (CG) configuration according to first information; wherein the first information comprises the maximum number of data blocks continuously transmitted by the second equipment in a wrong manner within a preset time period; and / or the block error rate of the data sent by the second device within the preset time period.

Apparatuses, methods, and systems are disclosed for configuring based on network coding (“NC”). One method includes determining, at a receiving device, a NC configuration for transmission of a scheduled network-coded application data unit (“ADU”). The method includes receiving the scheduled network-coded ADU in at least one transport block (“TB”). The method includes determining, for each TB of the at least one TB, a code block (“CB”) threshold based at least on the NC configuration. The method includes configuring, for each TB of the at least one TB, a NC-aware hybrid automatic repeat request (“HARQ”) process as a HARQ process with the CB threshold. The method includes using the CB threshold to determine a NC-aware HARQ feedback report. The method includes feeding back the NC-aware HARQ feedback report to a transmitting device.

Embodiments provide an apparatus, wherein the apparatus includesa plurality of Hybrid ARQ, HARQ, entities, each of the plurality of HARQ entities configured to operate a HARQ process associated with one of a plurality of HARQ behaviors, the plurality of HARQ behaviors being different, and / ora Hybrid ARQ, HARQ, entity configured to operate a plurality of HARQ processes, each HARQ processes associated with one of a plurality of HARQ behaviors, the plurality of HARQ behaviors being different,wherein the apparatus is configured to receive a control information from a transceiver in a wireless communication system, the control information transmitted over a radio channel of the wireless communication system, the control information including a Hybrid ARQ, HARQ, identifier identifying one HARQ behavior out of the plurality of HARQ behaviors or one HARQ process out of the plurality of HARQ processes, the one HARQ process associated with a HARQ behavior.

This application pertains to the field of communication technologies, and discloses a hybrid automatic repeat request HARQ feedback method and apparatus, and a terminal. The HARQ feedback method in embodiments of this application includes: determining, by a terminal based on first information, a HARQ feedback codebook to be sent based on a target physical uplink control channel PUCCH occasion, where the first information includes an inactive period of discontinuous transmission DTX in a target cell or discontinuous reception DRX in a target cell, and the target cell includes a serving cell of the terminal.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may obtain forward error correction (FEC) information associated with an application data unit (ADU). The UE may adjust a packet data convergence protocol (PDCP) characteristic, a radio link control (RLC) characteristic, or a physical layer hybrid automatic repeat request (HARQ) characteristic for transmitting a packet associated with the ADU based at least in part on the FEC information. Numerous other aspects are described.

A method and a user equipment for performing a Hybrid Automatic Repeat Request (HARQ) feedback operation are provided. The method includes: receiving, from a Base Station (BS), a first configuration indicating whether HARQ feedback for a HARQ process is enabled or disabled; receiving, from the BS, Downlink Control Information (DCI) on a Physical Downlink Control Channel (PDCCH), the DCI indicating (i) activation or deactivation of semi-persistent scheduling (SPS) and (ii) a Physical Downlink Shared Channel (PDSCH) reception for the HARQ process; and determining, based on a second configuration, and regardless of the HARQ feedback for the HARQ process is enabled or disabled, whether to transmit the HARQ feedback to the BS in response to the PDSCH reception in a case that the second configuration is received from the BS and the DCI indicates the activation of the SPS.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments of the present application provide a method and device for transmitting Hybrid Automatic Repeat request-Acknowledgement (HARQ-ACK). The method for transmitting HARQ-ACK comprises: receiving, in a downlink time unit, a physical downlink shared channel (PDSCH) and control signaling, which are transmitted by a transmitting side; determining, according to the control signaling, an uplink time unit configured to feed back HARQ-ACK corresponding to the received PDSCH and an HARQ-ACK codebook corresponding to the uplink time unit; and transmitting HARQ-ACK information corresponding to the HARQ-ACK codebook on a physical uplink control channel (PUCCH) or physical uplink shared channel (PUSCH) in the uplink time unit. By the method of the present application, the determination of an HARQ-ACK codebook corresponding to an uplink time unit is realized, and thus the effective utilization of uplink control channel resources is ensured.

The present application relates to the field of communications. Provided are a communication method, a communication apparatus and a storage medium, which are used for realizing the transmission of sensing information. The method comprises: acquiring a plurality of uplink control channel (PUCCH) resources; and on the basis of the format of a first PUCCH resource, multiplexing the first PUCCH resource to transmit a sensing request and first information, wherein the plurality of PUCCH resources comprise a PUCCH resource corresponding to the sensing request and a PUCCH resource corresponding to the first information, the first information comprises at least one of a hybrid automatic repeat request (HARQ), a scheduling request (SR) and channel state information (CSI), and the first PUCCH resource is any one of the plurality of PUCCH resources.

Provided is an information processing device that includes an acquisition unit that acquires information about sidelink communication. The information processing device further includes a determination unit that determines whether to enable feedback related to a data automatic repeat request in the sidelink communication based on the information about the sidelink communication.

The invention provides a hybrid automatic repeat request (HARQ) feedback method and device, equipment and a medium. The method comprises the step of sending HARQ feedback of a downlink shared channel (PDSCH) based on multi-cell downlink control information (MC) DCI scheduling. When the base station schedules the multi-cell scheduling scheme to the terminal, the method can enable the terminal to perform HARQ feedback for the multi-cell scheduling scheme.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. An apparatus in a wireless communication system and a method performed by the same are provided. The method includes: determining time domain overlapping among a first physical uplink control channel (PUCCH) associated with a second hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback mode and a second PUCCH or a physical uplink shared channel (PUSCH); and resolving the time domain overlapping among the first PUCCH and the second PUCCH or the PUSCH. The invention can improve the communication efficiency.

This invention provides a CSI transmission method, a method for triggering CSI transmission, and related equipment. The CSI transmission method includes controlling the CSI transmission according to the data type of the Channel State Information (CSI); wherein the data type includes types that require mixed Automatic Repeat Request (HARQ) feedback and types that do not require HARQ feedback. The CSI transmission method provided by this invention offers a CSI transmission mode that can be used on secondary links, thereby improving the performance of CSI transmission on secondary links.

A method and apparatus for transmitting automatic repeat request acknowledgement feedback information supporting multicast service, the method comprising: receiving N pieces of first downlink control information (DCI) and M pieces of second DCI in at least one first time unit, the first DCI being DCI of a first type, the second DCI being DCI of a second type, each first DCI comprising a first downlink allocation index (DAI), each second DCI comprising a second downlink allocation index (DAI) of a second type, the first DAI comprises a first downlink allocation index counter (C-DAI), and the first C-DAI indicates the cumulative number of the DCI of the first type transmitted by scheduling a downlink data channel; each piece of second DCI comprises a second downlink allocation index (DAI), the second DAI comprises a second downlink allocation index counter (C-DAI), and the second C-DAI indicates the cumulative number of the DCI of the second type transmitted by scheduling a downlink data channel; and receiving N first downlink data channels and M second downlink data channels in at least one second time unit, generating a codebook of automatic repeat request acknowledgement (HARQ-ACK) feedback information, and sending the codebook in a third time unit.

A terminal receives downlink control information and determines a feedback method for an automatic retransmission request based on information on a priority pertaining to downlink control information in data distribution for a plurality of terminals.

The invention provides a 5GNR HARQ retransmission self-adaption method and device and related equipment, and relates to the technical field of communication. According to the technical scheme, in the process that communication equipment transmits target data to a base station, under the condition that a hybrid automatic repeat request HARQ is generated, a modulation and coding strategy MCS and a resource block RB corresponding to the HARQ are recalculated, and the target data are transmitted to the base station. According to the embodiment of the invention, the target terminal sends the target data to the target terminal according to the MCS, the RB and the target k0, traversal matching is carried out in a plurality of preset k0, the target k0 matched with the resource block RB is determined, and the target data is sent to the target terminal again according to the MCS, the RB and the target k0, so that transmission parameters are adaptively adjusted in the HARQ retransmission process, and the success rate of HARQ retransmission is improved.

To provide an apparatus, a system, and a method that can continue to receive a data channel normally even when collision between a PDSCH / PUSCH and a UL / DL symbol is permitted.SOLUTION: In a wireless communication system, a terminal 200 includes a receiving unit that receives single downlink control information that schedules a plurality of downlink data channels, and a control unit that determines a codebook in which feedback of automatic repeat requests for the downlink data channels is to be included based on receiving the plurality of downlink data channels scheduled by the single downlink control information.SELECTED DRAWING: Figure 4

Disclosed are a hybrid automatic repeat request-acknowledgment (HARQ-ACK) feedback method, a terminal, and a base station. The method includes: transmitting broadcast multicast scheduling signaling to a terminal for indicating the terminal to multiplex, when it is detected that a preset condition is satisfied, a first HARQ-ACK codebook corresponding to the broadcast multicast scheduling signaling on the uplink resource corresponding to unicast, the preset condition being that both a HARQ-ACK feedback slot indicated by the broadcast multicast scheduling signaling and a slot in which the uplink resource is located exist in a preset window; and receiving uplink data transmitted by the terminal through the uplink resource when the preset condition is satisfied, and obtaining a first HARQ-ACK codebook multiplexed on the uplink resource. The protocol design and complexity of HARQ-ACK feedback for broadcast multicast is simplified.

The present application relates to devices and components including apparatus, systems, and methods for measurements for user equipment-initiated beam reporting. In the downlink control information (DCI) for indicating the uplink resource for the beam report, some legacy fields such as a HARQ process number field, RV field, MCS field or a FDRA field are set to specific values to be used a validation field of the uplink resource allocation field. RRC signalling may indicate a first resource list and a second resource list, wherein resources of the first resource list are used for carrying hybrid automatic repeat request (HARQ)-acknowledgment (ACK) feedback and not UEIBR messages, and resources of the second resource list are used for carrying HARQ-ACK feedback and UEIBR messages. Generation of the report based on collision rules whether to transmit the UEIBR or the network-initiated (NWI)-channel state information (CSI) report in the uplink resource.

Systems and methods for providing a seamless automatic repeat request (ARQ) stream are provided. The system can include a plurality of streaming servers, a load balancer, and an ARQ streaming service.

The embodiment of the invention discloses a method and a device for sending and receiving a hybrid automatic repeat request (HARQ), and the method comprises the steps: receiving downlink data, generating HARQ feedback information according to the downlink data, and sending the HARQ feedback information in a first feedback mode or a second feedback mode according to an interoperation priority, the terminal equipment supports interoperation between the first feedback mode and the second feedback mode, so that the terminal equipment can flexibly switch the feedback modes according to needs to send the HARQ feedback information, the situation that the HARQ feedback information is discarded is avoided, and the HARQ feedback information transmission efficiency is improved. And the transmission reliability and the feedback efficiency of the HARQ feedback information are ensured.