1173results about "Channel coding adaptation" patented technology

Methods, systems, and devices for wireless communications are described. A wireless device may perform a probabilistic shaping procedure using a shaping rate that is selected in accordance with a rule associated with a target spectral efficiency value, a modulation order, or both. Similarly, the wireless device may perform a channel coding procedure whose coding rate is selected in accordance with the rule. The rule may correspond to a relationship between the coding rate and the shaping rate. In some cases, the wireless device may select the shaping rate and the coding rate to be predefined values based on a target spectral efficiency value. In some examples, the wireless device may select the shaping rate and the coding rate based on a threshold coding rate, a quantity of punctured nodes used in the channel coding procedure, a quantity of layers corresponding to a multi-layer transmission, or any combination thereof.

There is provided a method in a node of a wireless communication network. The method comprises receiving from an application a protocol data unit (PDU) set corresponding to an encoded application data unit (ADU). The method further comprises determining an Application-Layer Forward Error Correction (AL-FEC) coding configuration associated with the encoded ADU and transmitting the PDU set. The method further comprises determining whether a cease criterion is satisfied, wherein the cease criterion is based on the AL-FEC coding configuration, and ceasing transmission of the PDU set based on the cease criterion being satisfied.

The invention relates to a method for performing a link adaptation in an uplink transmission between a user equipment, UE, and a network node in a telecommunication network, the method comprising:obtaining a first value of a Modulation and Coding Scheme, MCS, for a future transmission at transmission time interval k in the uplink transmission, the first value of MCS being determined on the basis of a Signal to Interference and Noise Ratio, SINR, estimated by the network node for the future transmission at transmission time interval k; andpredicting a second value of the MCS for the future transmission at transmission time k by using a Q-learning process having as input the first value of MCS, first data indicating whether the future transmission at transmission time k is a first transmission or a retransmission, and second data indicating whether a feedback acknowledgement, ACK / NACK, of a transmission that took place at transmission time interval k−1 is equal to ACK or NACK.

A base station of a wireless communication system is disclosed. The base station of the wireless communication includes a communication module; and a processor configured to control the communication module. The processor receives a radio resource control (RRC) signal from a base station of the wireless communication system through the communication module and determines a time-frequency resource corresponding to at least one resource-set indicated by the RRC signal. The processor receives a physical control channel from the base station through the communication module, determines a time-frequency resource domain in which physical data channel reception of the terminal is scheduled by the physical control channel, and receives a physical data channel based on a time-frequency resource in which the physical data channel reception of the terminal is scheduled and a time-frequency resource in which the at least one resource-set overlap. The resource-set is a set of time-frequency resources.

A measurement method is disclosed. The method includes: A terminal device receives first information and second information from a network device, determines a first resource based on the first information, and determines a second resource based on the second information. The first resource is a resource configured by the network device for measurement, and the second resource is a resource having a higher priority than the first resource. Further, the terminal device determines a third resource based on the first resource and the second resource, and performs measurement on the third resource. The third resource includes a part of or all resources in the first resource except a first overlapping resource, and the first overlapping resource is an overlapping resource of the first resource and the second resource.

This disclosure provides methods, components, devices, and systems for ultra-high reliability (UHR) signaling design. Some aspects more specifically relate to an access point (AP) transmitting a frame including a user info field to a wireless station (STA), where the user info field supports UHR parameters. The user info field may include a subfield indicating a coding scheme for communications, where the subfield includes at least two bits to support at least three coding scheme options. Additionally, or alternatively, the AP may transmit a trigger frame indicating for one or more STAs to communicate via distributed resource units (RUs). The AP may arrange the user info fields in the trigger frame to implicitly indicate respective global cyclic shift delay (CSD) indexes to the STAs. A STA receiving the trigger frame may determine a global CSD index corresponding to the STA according to the order of the user info fields.

Logic may generate or detect a communication as a punctured block of orthogonal frequency division multiplex (OFDM) symbols on a carrier with a channel bandwidth of 5 megahertz or less, the punctured block having a first set of highest frequency resource blocks (RBs) of the OFDM symbols punctured or having a second set of highest frequency RBs and lowest frequency RBs punctured. The punctured block may comprise a physical downlink control channel (PDCCH) block, a synchronization signal / physical broadcast channel (SS / PBCH) block, or a downlink bandwidth part (DL BWP) on a carrier with a channel bandwidth of 3 MHz, 5 MHz, or other channel bandwidth less than 5 MHz. And logic may cause transmission of or demodulate and decode the punctured block.

A transportation vehicle, infrastructure, a transceiver, an apparatus, a method, and a computer program for determining a physical layer configuration for a radio link for a communication system. The method for determining a physical layer configuration for a radio link at a first transceiver to communicate with a second transceiver via the radio link includes obtaining information related to an environment and a state of movement of the first and second transceivers, estimating a radio condition of the radio link based on the information related to the environment and the state of movement of the first and second transceivers, and determining the physical layer configuration for the radio link based on the radio condition.

This disclosure provides methods, components, devices, and systems for ultra-high reliability (UHR) signaling design. Some aspects more specifically relate to an access point (AP) transmitting a frame including a user info field to a wireless station (STA), where the user info field supports UHR parameters. The user info field may include a subfield indicating a coding scheme for communications, where the subfield includes at least two bits to support at least three coding scheme options. Additionally, or alternatively, the AP may transmit a trigger frame indicating for one or more STAs to communicate via distributed resource units (RUs). The AP may arrange the user info fields in the trigger frame to implicitly indicate respective global cyclic shift delay (CSD) indexes to the STAs. A STA receiving the trigger frame may determine a global CSD index corresponding to the STA according to the order of the user info fields.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an ambient Internet-of-Things (IoT) device may receive configuration information indicating resources associated with an uplink trigger message that initiates a communication session between the ambient IoT device and a network device. The ambient IoT device may transmit the uplink trigger message to the network device using the resources associated with the uplink trigger message. Numerous other aspects are described.

The invention discloses a cross-domain information distribution method and system for multi-link cooperative networking, and relates to the technical field of network communication, and the method applied to an information sending end comprises the following steps: obtaining a link quality prediction result of each data transmission link based on the computing power level of an information receiving end and the link quality prediction result of each data transmission link; and dynamically selecting a main transmission path and at least one backup path of cross-domain information from all data transmission links. And based on the link quality of the main transmission path, performing fragmentation processing and coding processing on the to-be-distributed data to obtain a plurality of to-be-distributed data packets. And transmitting the to-be-distributed data packet to an information receiving end through the main transmission path and the backup path, so that the information receiving end decodes and recombines the to-be-distributed data packet. According to the method, the stability, the real-time performance and the resource utilization efficiency of cross-domain information distribution for multi-link cooperative networking are effectively improved, and the transmission performance of cross-domain data transmission is remarkably improved.

A forward error correction code switching method applied to a first device includes determining a target operational forward error correction code according to predetermined transmission channel quality and a target traffic requirements; and notifying a second device of the target operational forward error correction code to enable the second device to switch a current operational forward error correction code to the target operational forward error correction code, and decodes user traffic data according to the target operational forward error correction code.

A wireless communication protocol which operates with multi-link devices (MLDs) having simultaneous transmit and receive (STR) link pairs to allow transmitting a long MU PPDU by an originator on a first link, which is acknowledged (Ack) by a recipient on a second link. The Ack on the second link may be on a single resource unit (RU) which may be shared by multiple stations. The Ack may be received during the MP PPDU on the first link, making it a quick Ack. In many cases this allows the originator to perform a retransmission within the same PPDU, thus especially benefitting real-time traffic which is latency sensitive.

Methods, systems, and devices for wireless communications are described. Techniques described herein provide for priority and feedback resources for rate-split transmissions. In rate-splitting approaches, messages destined for various user equipment (UEs) may be split into a common portion and a private portion. The common portion of messages may be transmitted to multiple UEs, and each of the private portions may be transmitted to individual UEs, so that each UE may receive their entire respective messages. The network may assign different feedback resources for the common portion and the private portion of a rate-split transmission. The feedback resource for the common portion may be prior to the feedback resource for the private portion.

A modulation and coding scheme indication method and a corresponding apparatus in a wireless local area network system that supports one or more of a next-generation Wi-Fi protocol of IEEE 802.11ax (for example, 802.11be, Wi-Fi 7, or EHT), a next-generation Wi-Fi protocol of IEEE 802.11be (for example, 802.11bn, Wi-Fi 8, or UHR), Wi-Fi AI, a millimeter wave (mm Wave), an ultra wideband (UWB), and sensing (sensing). A method includes: generating a physical layer protocol data unit PPDU, where the PPDU includes a first field and a second field, the first field indicates a first modulation and coding scheme MCS group, and the second field indicates a number of spatial streams corresponding to one or more MCSs in the first MCS group; and sending the PPDU. This can reduce bit overheads.

This application proposes an information transmission method, device, and storage medium. The information transmission method applied to a first communication node includes: determining priority values ​​for L CSI reports; wherein the L CSI reports include L1 first-type CSI reports and L2 second-type CSI reports; L, L1, and L2 are all integers, and L1 is greater than or equal to 0, L2 is greater than 0, and L = L1 + L2; and transmitting information from at least one CSI report among the L CSI reports according to the priority values.

A cloud-edge collaborative data processing method and system, a device, and a storage medium are provided, relating to the field of telecommunication technology. The method includes extracting, in an edge encoder, intermediate features of data to be processed, inputting the intermediate features into a lightweight edge decoder for decoding to obtain an edge decoding result; and in response to a feature uncertainty of the edge decoding result being less than or equal to a preset threshold, taking the edge decoding result as a target processing result, or in response to the feature uncertainty being greater than the preset threshold, compressing the intermediate features using an edge compression model and then sending the compressed intermediate features to a cloud server in the cloud-edge collaborative data processing system.

A method according to one embodiment comprises sending a first plurality of packets using forward error correction, FEC, with an initial success ratio. A report is received regarding a number of packets in the first plurality that were not delivered because they were actively discarded or considered obsolete. An updated success ratio is selected based at least in part on the report. A second plurality of packets is then sent using FEC with the updated success ratio.

The present invention relates to the technical field of haptic signal generation. Disclosed is a signal-to-noise ratio adaptive haptic signal reconstruction method with joint source-channel optimization, comprising: preprocessing an image corresponding to each object and a haptic vibration signal generated by sliding; constructing a cross-modal joint encoder for generating hierarchical fusion features, constructing a cross-modal joint decoder, and inputting preprocessed training data into the constructed cross-modal joint encoder and cross-modal joint decoder for training; and inputting in pairs haptic signals and image signals under test into the cross-modal joint encoder and the optimal cross-modal joint decoder to reconstruct a target haptic signal. The signal-to-noise ratio adaptive haptic signal reconstruction method with joint source-channel optimization provided by the present invention simplifies encoding training processes, better performs modal feature fusion, improves the robustness of models to channel variations, and allows the models to exhibit higher haptic signal reconstruction stability under a wider range of signal-to-noise ratio variations.

The disclosed embodiments provide a communication method and apparatus, a computer-readable storage medium, and a computer program product. In the method, when a first communication apparatus determines that a first resource set used by a grant-based first terminal device for uplink transmission overlaps a second resource set used by a grant-free second terminal device for uplink transmission, the first communication apparatus determines a first transmission scheme in which the first terminal device performs the uplink transmission in an overlapping area, where the first transmission scheme includes at least one of a first channel coding scheme and a first multiple access scheme, and the overlapping area is determined by performing area division on a time-frequency resource of the first terminal device based on the overlapping. The first communication apparatus outputs the first transmission scheme.

Embodiments of this application provides a communication method and a communication apparatus. In an example method, a station (STA) sends a first frame to an access point (AP). The first frame includes first information, and the first information indicates that a first operation mode (OM) has been switched to. The STA transmits a second frame in the first OM. The AP and the STA can reach a consensus on that the STA has switched to the first OM.

Methods, systems, and devices for wireless communications are described. A first device may transmit control signaling to a second device. The control signaling may indicate a set of different modulation and coding schemes (MCSs) to be applied to at least one of a set of spatial streams or a set of resource units (RUs), where the control signaling may indicate that a respective MCS to be applied to a respective spatial stream or to a respective RU. The first device may transmit, one or more first bits of a first service data unit to the second device via a first spatial stream of or via a first RU using a first MCS and transmit one or more second bits, of the first service data unit or of a second service data unit via a second spatial stream or via a second RU using a second MCS.

Disclosed are a method and apparatus for transmitting and receiving data in a wireless communication system. A method for transmitting a physical uplink shared channel (PUSCH), according to an embodiment of the present disclosure, may comprise the steps of: receiving a first physical downlink control channel (PDCCH) for scheduling a first PUSCH and a second PDCCH for scheduling a second PUSCH; and transmitting the first PUSCH and the second PUSCH. The first PDCCH and the second PDCCH may be associated with different control resource sets (CORESETs) having different CORESET pool indexes, the second PDCCH may be received before the first PUSCH is transmitted after the time when the first PDCCH is received, and the first PUSCH and the second PUSCH may correspond to the same transport block (TB) on the basis of the same hybrid automatic repeat and request (HARQ) process identifier (ID) for the first PUSCH and the second PUSCH.

Proposed are a method and device for receiving an A-PPDU in a wireless LAN system. Specifically, a reception STA receives an A-PPDU from a transmission STA and decodes the A-PPDU. The A-PPDU includes a first PPDU for a primary 160 MHz channel and a second PPDU for a secondary 160 MHz channel. A first signal field includes information about a bandwidth in which the first PPDU is transmitted. The information about the bandwidth in which the first PPDU is transmitted includes information about a first preamble puncturing pattern punctured in a unit of a 20 MHz channel in the primary 160 MHz channel. A second signal field includes information about a second preamble puncturing pattern.

Provided are a method for determining modulation and coding scheme (MCS) mapping information and a network device. The method is performed by a terminal device and the method includes: determining MCS information of a channel based on transmission parameter information and an MCS mapping relationship, wherein the MCS mapping relationship includes at least one of a first mapping relationship and a second mapping relationship. The first mapping relationship includes MCS information corresponding to a scenario where the transmission parameter information indicates that a number of transmission layers of the channel is 1. The second mapping relationship includes MCS information corresponding to a scenario where the transmission parameter information indicates that a number of transmission layers of the channel is greater than or equal to 2. The first mapping relationship is different from the second mapping relationship.

Methods, systems, and devices for wireless communications are described. A user equipment (UE), may receive, from a network entity, an indication of a puncturing scheme for a spinal coding scheme based on a capability of the UE, where the puncturing scheme indicates a puncturing distribution for one or more symbols of one or more spines of the spinal coding scheme. The UE may receive a message encoded by the network entity according to the spinal coding scheme associated with the puncturing scheme. The UE may decode the message encoded according to the spinal coding scheme to obtain one or more message segments corresponding to the one or more symbols and to the one or more spines based on the puncturing distribution of the puncturing scheme.

Apparatuses, systems, and techniques to adjust one or more signal-to-noise ratios. In at least one embodiment, a processor includes one or more circuits to cause one or more signal-to-noise ratios to be adjusted by a variable amount based, at least in part, on a number of indications received by the processor indicating whether a signal was interpreted successfully.

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communication device (WCD) may send an indication of supporting a plurality of parity mapping schemes for communication. The WCD may receive a communication having a first parity mapping scheme and a second parity mapping scheme, the first parity mapping scheme being different from the second parity mapping scheme. Numerous other aspects are described.

The present application discloses a method and apparatus for use in a terminal and an Internet of Things device for wireless communication. The method comprises: a terminal sends a first PRDCH, OOK being used for the first PRDCH; and the terminal receives a first PDRCH, a convolutional code being used for channel coding of the first PDRCH, a constraint length of the convolutional code used for channel coding of the first PDRCH being equal to a first constraint length, and a code rate of a mother code of the convolutional code used for channel coding of the first PDRCH being equal to a first code rate. At least one of the first constraint length and the first code rate belongs to a first coding scheme, the first coding scheme belongs to a set of candidate coding schemes, and the set of candidate coding schemes comprises at least one coding scheme. The set of candidate coding schemes depends on a device type of a sender of the first PDRCH. When the set of candidate coding schemes comprises a plurality of coding schemes, the first PRDCH indicates the first coding scheme in the set of candidate coding schemes. The present application improves transmission quality.