2771results about "Error prevention/detection by transmission repeat" patented technology

The disclosure relates to a communication technique and system therefor for converging an Internet of Things (IoT) technology and a 5th generation (5G) communication system for supporting a high data rate after a 4th generation (4G) system. The disclosure is applicable to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security, and safety services) based on a 5G communication technology and IoT-related technology. The disclosure provides a method and apparatus for uplink (UL) data repetition transmission by a user equipment (UE) in a next-generation communication system.

Methods and systems are disclosed for resource management on Sidelink for vehicle to everything (V2X) scenarios. Example methods and systems for a Resource Structure on Sidelink are disclosed. Control and data channels may be Frequency Division Multiplexed (FDMed) or Time Division Multiplexed (TDMed) with an Orthogonal Frequency Division Multiplexing (OFDM) waveform. Example methods and systems for a Resource Configuration on Sidelink are disclosed. The resource configuration may be statically configured or may be locally configured. Example methods and systems for Assisted Resource Allocation are disclosed. Assisted Sensing may be performed by a group lead or RSU and local scheduling may be performed by a group lead or RSU.

The invention discloses a multidirectional frame audio stream transmission method, device, equipment and medium, and the method is realized through cooperation of a transmitting end and a receiving end: the transmitting end cuts an original audio stream into independent audio frames, gives priority identifiers to the independent audio frames, and determines redundant coding parameters and transmission paths for different priority frames in combination with a predefined static strategy; generating a data packet containing an original data block and a redundant data block, and sending the data packet through at least one network path; and a receiving end caches the multi-path data packet, recovers lost data by using redundant data blocks to recombine a complete audio frame, and executes error concealment processing on the frame which cannot be recombined to generate a replacement frame. According to the method, based on a multi-path parallel transmission, forward error correction (FEC) redundancy mechanism and a cost-aware static scheduling strategy, lossless forwarding and instantaneous recovery of audio streams are realized on the premise of not waiting for network feedback and avoiding inter-frame dependence, and high-quality real-time audio transmission service can still be provided in a complex network environment.

A method of a terminal may comprise: receiving, from a base station, DCI including a first field indicating HARQ-ACK retransmission and a second field indicating a priority; identifying first HARQ-ACK information having a priority identical to the priority indicated by the second field; and transmitting, to the base station, a first HARQ-ACK codebook including the first HARQ-ACK information based on the indication of the first field.

The embodiment of the invention provides a cross-network data exchange method, electronic equipment, a storage medium and a program product, and the method comprises the steps: receiving transmission data, determining the identification information of the transmission data according to the service identification, timestamp and segment sequence number of the transmission data, and determining the verification value according to the performance requirement, the security requirement and the data integrity; the hash algorithm is obtained by performing hash operation on the segmented data; according to the identification information, judging whether the transmission data is duplicated data or not; judging whether the transmission data is complete data or not according to the verification value; whether the transmission data is lost data or not is judged according to the segment serial number, if yes, a retransmission instruction is sent to the sending end equipment, the data segments which are repeatedly transmitted can be accurately recognized through the unique identification information, redundant storage and processing are avoided, the data repetition problem is solved from the source, then the integrity of the data is verified according to the verification value, and the data transmission efficiency is improved. And the lost data end is judged according to the segment sequence number, so that the problem of data loss is solved.

Provided are a communication device, a base station, and methods for a communication device and a base station. The communication device comprises a transceiver, which receives wireless signals. The communication device further comprises a circuitry which, in operation, (i) detects, in the received wireless signals, presence of a wake-up signal, WUS, (ii) based on the WUS, determines from the received wireless signals, wake-up information, and (iii) based on the wake-up information, determines to receive control information other than WUS and wake-up information.

According to one aspect of the present disclosure, there is provided a terminal including a control unit that determines a Modulation and Coding Scheme (MCS) and a number of repetitions from an MCS field in an uplink grant for repetitive transmissions of an uplink data channel for retransmission in a random access procedure, and a transmission unit that repeatedly transmits the uplink data channel for retransmission in the random access procedure in accordance with the MCS and the number of repetitions.

Methods, systems, and devices for increasing transmission capacity of sounding reference signals (SRS) in mobile communication technology are described. An example method for wireless communication includes receiving, by a wireless device from a network node, a configuration comprising A orthogonal code sequences for a sounding reference signal (SRS) resource, wherein each of the A orthogonal code sequences is configured for L adjacent SRS symbols within the SRS resource, wherein L is a length of each of the A orthogonal code sequences, and wherein L and A are positive integers, and transmitting a reference signal that is generated based on the configuration.

A method is disclosed for enhancing subband full duplex operation. The method may include receiving, by a user equipment (UE), a configuration for subband full duplex (SBFD) operation and Physical Random Access Channel (PRACH) repetition, and constructing, by the UE, a RACH Occasion (RO) group based on the configuration, wherein the RO group comprises one or more ROs from a set of SBFD symbols and a set of non-SBFD symbols.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information identifying a plurality of physical downlink control channel (PDCCH) candidates that are to be monitored for downlink control information (DCI). The plurality of PDCCH candidates may include a PDCCH candidate having a first aggregation level and a set of linked PDCCH candidates, for repetitions of DCI, having a second aggregation level. The PDCCH candidate may overlap with one PDCCH candidate of the set of linked PDCCH candidates. The UE may communicate according to one or more rules for the PDCCH candidate overlapping with the one PDCCH candidate of the set of linked PDCCH candidates. Numerous other aspects are described.

A UE may: receive a configuration related to a PUCCH cell change, wherein the configuration includes information related to a PUCCH cell change pattern of a cell among a first cell and a second cell, the cell indicating a PUCCH cell in a time domain; determine to perform PUCCH transmission on the basis of a PUCCH resource for which repetition is configured on the first cell; and not apply the PUCCH cell change to repetitions of the PUCCH transmission in a state in which the PUCCH cell is changed from the first cell to the second cell according to the PUCCH cell change pattern.

Provided is a method of performing, by a user equipment (UE), wireless communication in a wireless communication system, the method including generating a first message and transmitting the generated first message. Here, a transmission format for transmitting the first message may be determined depending on whether transmission profile (Tx profile) information is transmitted from an upper layer of the UE.

This disclosure is generally directed to wireless communication systems and methods, and particularly relates to resource control for wireless transmission with repetitions based on subband full duplex. The various implementations concern determination of conditions under which the various repetitions of an uplink (or downlink) wireless transmission are allowed to be transmitted in a mixed manner across an uplink (or downlink) bandwidth part and an uplink (or downlink) subband within an otherwise downlink (or uplink) bandwidth part. Various mechanisms for determining resources for the transmission of the repetitions based on one or more resource identification fields in a resource control message for scheduling the wireless transmission are further disclosed. Such mechanisms provide consistent resource allocation between the repetitions transmitted in the mixed manner.

A base station and a user equipment (UE) may exchange messages to perform a Random Access Channel (RACH) procedure. The UE performs measurements on a plurality of signal synchronization blocks (SSBs), selects M physical random access channel (PRACH) groups based on one or more of the measured SSBs satisfying a predetermined threshold, provides the measurements for the M PRACH groups to a base station in an initial access transmission for a RACH procedure and monitors for a random access response (RAR) message based on a repetition number for the RAR message indicated by the base station.

A user equipment (UE) is configured to receive configuration information comprising allocation information for a downlink repetition bundle with a configured number of repetitions and conditional resources associated with the downlink repetition bundle, determine whether the conditional resources associated with the downlink repetition bundle are to be activated and decode a transport block from physical downlink shared channel (PDSCH) received over multiple resources from at least one of the downlink repetition bundle and the conditional resources associated with the downlink repetition bundle.

The invention discloses an internet data real-time downloading system and method based on a configuration foreground. The method comprises the steps that P1, an interface front-end framework based on Vue.js is built and achieved; p2, building and realizing an interface rear-end framework; step P3, performing parameter transmission on a back-end data downloading program based on the front-end configuration parameters; step P4, automatically downloading the Internet data; and P5, monitoring the integrity and timeliness of data downloading. The system comprises a foreground configuration module, a JSON parameter transmission module, a background downloading module, a task scheduling module and a log and monitoring module. According to the invention, automatic, flexible and efficient downloading of Internet data can be realized, and the problems of complex configuration, low downloading efficiency, poor usability and the like of an existing downloading tool are solved.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system includes receiving, from a base station, configuration information on an orthogonal cover code (OCC), identifying a transport block (TB) and multiple slots for a TB processing, based on the configuration information, applying a different OCC sequence to each repetition of the TB, and transmitting, to the base station, a physical uplink shared channel (PUSCH).

According to the large file uploading method and device, the electronic equipment and the storage medium provided by the invention, the operation environment parameters of the target client are collected, and the file uploading strategy containing the data block size, the concurrent transmission quantity and the retry mechanism is dynamically generated based on the parameters; meanwhile, according to the strategy, the file to be uploaded is divided into a plurality of data blocks and integrity verification is executed, the uploading state of each data block is persistently stored in the uploading process, and uploading of the uncompleted data blocks is recovered based on the uploading state after transmission interruption is detected. The problems that due to the fact that a fixed fragment size and a static concurrent strategy cannot adapt to different device performance and network environments, the uploading state is lost after page refreshing or browser restarting is caused by depending on browser cache, the verification efficiency is low, and uploading fails, resource utilization is not good, and uploading starting is delayed can be solved. The technical effects of improving the environmental adaptability, the resource utilization efficiency and the uploading success rate of Web cloud disk large file uploading are achieved.

A terminal includes a transmitter that transmits a second signal specifying a resource for an initial transmission of a first signal on a sidelink; and a controller that selects, reserves, or pre-reserves a resource for the initial transmission of the first signal on the sidelink and at least one of one or more resources for one or more retransmissions of the first signal on the sidelink.

This UE can: transmit, on the basis of a configured grant, a physical uplink shared channel (PUSCH) including a transport block; and determine, on the basis of whether a packet delay budget of the transport block has expired, whether retransmission is performed according to a downlink control information (DCI) format if the DCI format related to the transport block is received.

A terminal according to an aspect of the present disclosure includes: a control section that determines a plurality of physical uplink control channel (PUCCH) resources on the basis of downlink control information; and a transmitting section that performs PUCCH repeated transmission by using the plurality of PUCCH resources. According to an aspect of the present disclosure, suitable PUCCH repeated transmission can be implemented.

Embodiments of the present application provide a communication method and a related device. The method is applied to an RLC layer of a data transmitting end. In the method, on the basis of a first timer and / or indication information, the data transmitting end triggers to transmit a protocol data unit (PDU) to a data receiving end, wherein the PDU comprises at least one of the following: first information and retransmission data, and the first information is used for acquiring a status report sent by the data receiving end. On the basis of the solution, the data transmitting end controls acquisition of the status report and / or transmission of the retransmission data by means of the first timer and / or the indication information, so that the efficiency of the data transmitting end acquiring the PDU status report and / or the data receiving end acquiring the retransmission data can be improved, thereby improving the retransmission performance of delay sensitive services.

Wireless communications systems and methods related to determining physical uplink shared channels (PUSCHs) for communicating in a configured grant resource are provided. A first communication device determines a PUSCH opportunity set including one or more PUSCH opportunities for communicating in a configured grant resource. The first wireless communication device communicates, with a second wireless communication device, a communication based on the determined PUSCH opportunity set.

The present invention relates to a wireless communication system, in which a terminal comprises a transceiver and a processor that controls the transceiver, wherein the processor may: receive first information indicating whether a first slot includes a subband for uplink transmission; receive second information indicating whether a second slot includes the subband for uplink transmission; and perform repetition transmission of a physical uplink shared channel (PUSCH) on the first slot and the second slot, wherein the first slot includes the subband for uplink transmission, and the second slot does not include the subband for uplink transmission.

The invention provides a packet loss prevention transmission system based on dynamic redundancy adjustment, belongs to the technical field of data transmission, and is used for solving the problems that fixed redundancy is difficult to consider both transmission reliability and efficiency and packet loss processing lags behind in the related art, the system comprises a data blocking processing module, a dynamic redundancy adjustment module and a data verification and retransmission module, the system can also comprise a packet loss mode prediction subsystem, a coding coefficient optimization module and the like, accurate detection and recovery of packet loss in data transmission are realized through technologies of data block segmentation and verification, dynamic redundancy adjustment, packet loss prediction, semantic layering, network coding and the like, the transmission reliability and efficiency are improved, and the system is suitable for a complex network environment.