4347results about "Error prevention/detection by transmission repeat" patented technology

A method performed by a radio unit (RU) is provided. The method includes receiving, by the RU, sounding reference signals (SRSs), receiving, by the RU from a distributed unit (DU) via a fronthaul interface, a control plane (C-plane) message including SRS configuration information, performing, by the RU, channel estimation based on the SRSs and the SRS configuration information, and performing, by the RU, beamforming on the basis of the channel estimation.

Various embodiments herein provide techniques for sidelink (SL) communication on unlicensed spectrum. For example, embodiments provide techniques for a physical sidelink feedback channel (PSFCH) and / or a SL synchronization signal block (S-SSB), such as techniques related to a listen-before-talk (LBT) procedure and / or occupied channel bandwidth (OCB) requirements. Other embodiments may be described and claimed.

The present invention relates to a wireless communication system and, more specifically, to a method wherein resource allocation information for downlink reception or uplink transmission is acquired, and if the downlink reception or uplink transmission is required on a sub-band slot / symbol, the downlink reception or uplink transmission is performed in consideration of sub-band operations, and a wireless device therefor.

A method of wireless communication performed by a user equipment (UE) includes receiving, from a base station (BS), a random access configuration associated with a plurality of random access occasions, wherein at least a first portion of the plurality of random access occasions is configured for PRACH message repetitions. The method further includes transmitting, to the BS based on the random access configuration, at least one random access communication, the at least one random access communication including a plurality of PRACH message repetitions in two or more of the plurality of random access occasions, wherein at least one of a random access occasion index associated with the at least one random access communication or the random access preamble indicates the at least one random access communication includes at least two PRACH message repetitions.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure relates to a method carried out by a terminal in a wireless communication system, the method comprising the steps of: transmitting, to a base station, terminal capability information including information related to simultaneous transmission with multi-panel (STxMP); receiving an upper layer signal from the base station; checking whether the upper layer signal includes a parameter for supporting the STxMP; if the upper layer signal includes the parameter for supporting the STxMP, checking support for the STxMP based on multi-downlink control information (DCI); receiving, from the base station, first DCI for scheduling a first physical uplink shared channel (PUSCH) from a first control resource set (CORESET) having a CORESET pool index set to 0, and second DCI for scheduling a second PUSCH from a second CORESET having the CORESET pool index set to 1; and, on the basis of the STxMP, carrying out first PUSCH transmission and second PUSCH transmission overlapping at least in a time domain.

The invention relates to the field of data storage and backup, and discloses a method and a system for transmitting disaster recovery backup capability of an emergency recovery unit. The method comprises the steps of establishing a quantum encryption transmission channel, monitoring a network index in real time and predicting transmission quality to start preventive optimization, calculating a link quality score to carry out link switching, verifying integrity and consistency of received data and executing retransmission, carrying out multi-mode data backup, and switching to an emergency recovery unit when a main data center fails. The system comprises a quantum encryption transmission module, a transmission monitoring and switching module, a data verification and retransmission module, a multi-mode backup module and an emergency switching and synchronization module. Through the technical scheme, the problems of data transmission security and high efficiency can be effectively solved, the disaster recovery backup capability of the emergency recovery unit is improved, the service continuity is ensured, and the method and the device are suitable for scenes with high requirements on data security and service continuity.

Embodiments of the present disclosure relate to a method and apparatus for multiple transmit-receive points (multi-TRP) transmission. According to an embodiment of the present disclosure, a method can include: receiving first configuration information for uplink phase tracking reference signal (PT-RS) and second configuration information indicating a plurality of sounding reference signal (SRS) resource sets, wherein each of the plurality of SRS resource sets is associated with at least one physical uplink shared channel (PUSCH) repetition; for each PUSCH repetition, determining a number of PT-RS ports for transmitting the uplink PT-RS; and transmitting two or more PUSCH repetitions. Embodiments of the present disclosure can resolve the issues caused by the imbalance numbers of PT-RS ports between different TRPs.

A terminal receives a reference signal from an access network device. The terminal determines, based on a received power of the reference signal and a first set, a quantity of repetition times of sending a random access preamble by the terminal, where the first set is a set of quantities of times of repeatedly sending the random access preamble by the terminal, and the first set includes at least one or more of the following elements: an integer multiple of 3, an integer multiple of 5, or an integer multiple of 7. The terminal repeatedly sends the random access preamble to the access network device on a random access occasion RO based on the quantity of repetition times.

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.

Disclosed are a method and device for repeatedly transmitting an uplink channel in a wireless communication system. A method for a terminal to repeatedly transmit an uplink channel in a wireless communication system according to an embodiment of the present disclosure comprises: an uplink channel mapping step for mapping one uplink channel to a plurality of transmission occasions (TO) associated with a plurality of transmission units (TU) that are fewer in number than the plurality of TOs, wherein each of one or more specific TUs among the plurality of TUs includes two or more contiguous TOs; a step for mapping a spatial relation reference signal (RS) to each of the plurality of TOs; and a step for transmitting the one uplink channel to a base station at each of the plurality of TOs on the basis of the spatial relation reference signals, wherein the spatial relation reference signals to be mapped to the two or more contiguous TOs included in the one or more specific TUs may be identical or different.

Method, device and computer program product for wireless communication are provided. A method includes: receiving, by a second type wireless communication node from a first type wireless communication node, control information via repeatedly transmitted physical downlink control channels, PDCCHs, in one or more occasions.

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.

Disclosed in the present invention are a method for transmitting / receiving downlink data in a wireless communication system, and a device therefor. Specifically, a method of receiving downlink data by user equipment (UE) in a wireless communication system comprises the steps of: receiving configuration information; receiving downlink control information (DCI), the DCI comprising a transmission configuration indication (TCI) field, and multiple TCI states being indicated on the basis of the TCI field; and receiving multiple transmission occasions of an identical transport block on the basis of the DCI. The multiple transmission occasions are received through a time-domain resource on the basis of time division multiplexing (TDM), and the number of the multiple transmission occasions is determined on the basis of the number of the multiple TCI states.

The present invention relates to a wireless communication system, and specifically to: a method comprising the steps of receiving control information for transmitting a PUSCH, wherein the control information includes FDRA information, transmitting the PUSCH in a first RB set corresponding to a first hop within a UL BWP, wherein the first RB set is determined on the basis of the FDRA information, and transmitting the PUSCH in a second RB set corresponding to a second hop within the UL BWP, wherein the second RB set is adaptively determined on the basis of whether the second hop is in an SBFD slot in the time domain; and a wireless apparatus for same.

Embodiments of the present disclosure relate to methods and apparatuses for physical random access channel (PRACH) repetition. According to an embodiment of the present disclosure, a user equipment (UE) can include: a processor configured to: obtain configuration information indicating a set of physical random access channel (PRACH) repetition numbers; select a PRACH repetition number from the set of PRACH repetition numbers; and determine at least one time period for PRACH repetition based on the selected PRACH repetition number, wherein each time period of the at least one time period includes a set of random access channel (RACH) occasions (ROs) for PRACH repetition; a transmitter coupled to the processor; and a receiver coupled to the processor.

A satellite communication method and an apparatus. A network device sends a broadcast message, and correspondingly, a terminal device receives the broadcast message, The broadcast message includes information is usable to indicate a number x of repetitions, and x is a positive integer. Then, the terminal device sends a feedback message for a downlink message in a random access procedure based on the terminal device, where a number y of repetitions for sending the feedback message is determined based on x, and y is a positive integer.

Disclosed are a method and an apparatus for transmission or reception of an STF for a new numerology in a wireless LAN system. A method performed by a first station (STA) in a wireless LAN system according to an embodiment of the present disclosure may comprise the steps of: generating a physical layer protocol data unit (PPDU) including a non-legacy short training field (STF); and transmitting the generated PPDU to one or more second STAs. In the non-legacy STF, for a PPDU type supporting a new numerology, a specific STF sequence may be applied to each transmission bandwidth of the PPDU type.

A first wireless device determines, for transmission of a physical sidelink feedback channel (PSFCH) for a transport block (TB), a plurality of PSFCH transmission occasions associated with the TB, based on: a number of slots between a slot comprising a PSFCH resource and a last slot of reception of the TB, and a periodicity of the slot comprising the PSFCH resource. The first wireless device performs, in response to not transmitting the PSFCH via one or more first PSFCH transmission occasions, a channel access procedure to transmit the PSFCH, via a second PSFCH transmission occasion among the plurality of PSFCH transmission occasions, wherein the second PSFCH transmission occasion occurs after the one or more first PSFCH transmission occasions. The first wireless device transmits, via the second PSFCH transmission occasion and based on performing the channel access procedure, the PSFCH.

An operating method of a device in a wireless communication system, and the device are provided. The device can be a terminal, a chipset, or a base station. The terminal receives first PUCCH resource configuration information and second PUCCH resource configuration information, which are independent of each other, and applies the first PUCCH resource configuration information or the second PUCCH resource configuration information to each of a plurality of slots so as to transmit a PUCCH through the plurality of slots. The first PUCCH resource configuration information or the second PUCCH resource configuration information is applied to the specific slot on the basis of whether a specific slot from among the plurality of slots is a half duplex slot or a full duplex slot.

A method and apparatus for switching of multicast and broadcast service between multicast and unicast in a wireless communication system is described. A CU-CP establishes a connection with a wireless device for a Multicast and / or Broadcast Service (MBS). A CU-CP receives, from the CU-UP, a first message including a retransmission information on data transmission related to the MBS. A CU-CP determines whether to perform a switch of the first transmission to a second transmission for the MBS based on the retransmission information.

The invention provides a random access method and a random access device, which are used for improving the reliability of random access and relate to the technical field of wireless communication. In the method, a terminal device receives configuration information from a network device, the configuration information being used for indicating a first number of times and a first random access resource corresponding to the first number of times. Wherein the first random access resource and the first number of times correspond to N beams, the first number of times is greater than 1, and N is an integer greater than 1. And the terminal equipment sends the first preamble based on the N beams and the first random access resource. Wherein the number of times of sending the first preamble in the N beams is the first number of times. Based on the scheme, the terminal device can send the preamble of random access through multiple beams, and compared with sending the preamble of random access through a single beam, uplink coverage can be improved, and the reliability of random access can be improved.

Control channel repetition may be used in wireless communications. A base station may send repeated downlink control information (DCI) or physical downlink control channel (PDCCH) to a wireless device. The base station may send configuration parameters to the wireless device to indicate a plurality of coresets and indicate whether a particular DCI field, such as a transmission configuration indicator (TCI) field, will be present in the repeated DCI. Wireless resources may be determined by the wireless device based on a candidate of the last configured repetition.

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting higher data transfer rates. A method performed by a user equipment (UE) in a communication system is provided. The method includes identifying physical uplink shared channel (PUSCH) transmissions to be transmitted on slots, identifying orthogonal cover code (OCC) groups corresponding to the PUSCH transmissions, and transmitting, on the slots, the PUSCH transmissions with OCC applied based on the OCC groups, wherein a same redundancy version (RV) value is applied for one OCC group among the OCC groups.

An internet of things (IoT) non-terrestrial network (NTN) device user equipment (UE) is described. The UE includes receiving circuitry configured to receive narrowband physical random access channel (NPRACH) configurations including NPRACH resource configuration, repetition parameters, orthogonal cover code (OCC) multiplexing methods and OCC multiplexing factors. The UE also includes transmitting circuitry configured to select an NPRACH resource and randomly select an OCC index for an OCC multiplexing. The transmitting circuitry is further configured to transmit NPRACH preambles with a configured OCC multiplexing method and a multiplexing factor.

The invention provides an intelligent self-adaptive RDMA message processing method for power grid data transmission, and the method comprises the steps: S1, obtaining parameters, carrying out the initialization of a credit line value and a retransmission priority, and creating a data transmission task; s2, sending the data message to a second RDMA network card of an opposite terminal device through the first RDMA network card; after receiving the data message, the second RDMA network card generates a corresponding response message and sends the response message back to the sending end; s3, analyzing the response message, determining the type of the response message, and storing correctly received data; s4, performing error detection and retransmission processing by analyzing the PSN serial number of the RDMA message; and S5, dynamically adjusting and optimizing the credit line and the retransmission priority of the data message. According to the method, resource allocation can be dynamically optimized according to the real-time state of the network, priority transmission of high-priority data including power control instructions and the like is ensured, and the transmission efficiency and reliability of key data are remarkably improved.

Apparatuses, systems, and methods for uplink beam indication with unified TCI framework, including systems, methods, and mechanisms for supporting dynamic switching between single-TRP and multi-TRP transmission for PUCCH, dynamic switching between single-DCI and multi-DCI operation for PUSCH, and to provide a beam indication for SRS for non-codebook transmission with regard to an indicated unified TCI and associated CS-RS as well as selection of a beam to transmit SRS.

A method and a device for performing a random access procedure in a wireless communication system are disclosed. The method for performing a random access procedure, according to one embodiment of the present disclosure, may comprise the steps of: repeatedly transmitting, to a base station, a random access preamble in a plurality of ROs, the plurality of ROs being related to a plurality of different SS / PBCH block indexes; receiving, from the base station, one or more RARs as a response to the random access preamble; and transmitting, to the base station, a PUSCH on the basis of the one or more RARs.