413results about "Receiver specific arrangements" patented technology

A user device, UE, for a wireless communication system, is to process a transmission received at the UE (PDSCH or PSSCH) or to be prepared by the UE (PUSCH) within a first processing time. Responsive to one or more criteria, the UE is to switch from the first processing time to a second processing time to be used to process a transmission received at the UE or to be transmitted from the UE.

The disclosure relates to converging a 5G communication system for supporting higher data rates beyond a 4G system with a technology for IoT, and may be applied to intelligent services based on the 5G communication technology and IoT-related technology. A method is provided, which improves coverage of a PDCCH in a wireless communication system and a method of repeatedly transmitting the PDCCH. When a PDCCH is repeatedly transmitted, a method is provided for determining a PDSCH processing time and a PUSCH preparation time considered by a UE is provided, and thus, a more efficient communication system can be implemented.

A method for determining a control resource set CORESET #0, performed by a first terminal, includes: determining frequency domain resources of a CORESET #0 of the first terminal within a channel bandwidth supported by the first terminal; receiving indication information sent by a network device; and determining at least one of a numeric count of frequency domain resources or a numeric count of time domain resources corresponding to the CORESET #0 of the first terminal according to the indication information and a first preset value.

A method is disclosed herein for reducing energy consumption in a wireless device. A wireless device (e.g., a user equipment) can provide an indication to a network node (e.g., a base station) to indicate that the wireless device will prioritize energy consumption reduction over some network requirements (e.g., latency and / or scheduling flexibility requirements). Accordingly, the wireless device can perform certain power-saving actions to reduce energy consumption. The network node, upon receiving the indication from the wireless device, can perform certain network-related actions to assist the wireless device in reducing energy consumption. As a result, it is possible for the wireless device to reduce energy consumption and complexity, thus helping to prolong battery life in the wireless device.

An embodiment of the present application provides a communication method and a communication device. The communication method includes: a terminal device receives a first parameter and a second parameter sent by a network device, the terminal device determines an initial slot for transmitting a physical uplink shared channel PUSCH with a configured grant according to the first parameter and the second parameter, and the terminal device performs transmitting the PUSCH with the configured grant according to the initial slot. The first parameter and the second parameter are any two of the following parameters: a quantity P of available slots in a configured grant periodicity, a quantity K of repetitions in a configured grant periodicity, and a quantity N of available slots in each repetition, where N is an integer equal to or greater than 2, and one transport block cyclic redundancy check code is carried in each repetition. This technical solution can reduce the complexity of the blind detection performed by the network device to a certain extent.

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.

A management system may receive a wireless signal transmitted to a receiver. The management system may determine, based on the wireless signal or a set of decoded bits associated with the wireless signal that were determined using an artificial intelligence (AI) receiver module of the receiver, whether a cyclic redundancy check (CRC) associated with the wireless signal is passed. The management system may perform, based on determining whether the CRC associated with the wireless signal is passed, at least one of: a data storage operation associated with the wireless signal, a fallback operation associated with the wireless signal, or an online label recovery operation associated with the wireless signal. The management system may perform, based on determining whether the CRC associated with the wireless signal is passed, a model modification operation to update a neural network (NN) of the AI receiver module of the receiver.

The invention discloses an anti-high dynamic Doppler low signal-to-noise ratio satellite signal blind detection method, which comprises the following steps of: performing frequency domain analysis on a delay correlation signal according to a signal symbol rate, and dividing a signal band and a noise band near the delay correlation signal to construct a detection quantity to perform constant false alarm rate (CFAR) detection; and finally, obtaining a final signal existence or disappearance result through time consistency judgment. According to the method disclosed by the invention, the analytic CFAR threshold and the state machine smoothing are combined, and the problem of detection failure in a low signal-to-noise ratio and high dynamic Doppler environment in the prior art is solved.

Vehicle (100), comprising: a sending control unit (110-T) configured to send a message; a receiving control unit (110-R) configured to receive the message; one or more switches (120) configured to forward the message from the sending control unit (110-T) to the receiving control unit (110-R), wherein the sending control unit (110-T) and each of the one or more switches (120) include an output port for transmitting the message; and a processor configured to perform limited timing analysis to determine a total wait time w k during the transmission of the message from the sending control unit (110-T) to the receiving control unit (110-R) as a sum of all output port wait times w i,jto determine at all outgoing ports to which the message encounters, taking measures to avoid or mitigate the total waiting time w k during transmission a time limit for the message is exceeded, and the limited timing analysis includes performing an iterative process and determining a lower bound (LB), an upper bound (UB), and a median value.

Embodiments of the present application provide a blind detection method of a physical downlink control channel (PDCCH) candidate, a user equipment, an electronic device and a storage medium. The method comprises: determining a resource position of a serving cell used for transmitting a PDCCH candidate corresponding to a primary cell (PCell), wherein the serving cell comprises the PCell and / or a secondary cell (SCell); and blindly detecting the PDCCH candidate corresponding to the PCell on the determined resource position of the serving cell. According to the scheme of the embodiments of the present application, the allocation of resources occupied by the PDCCH can be more reasonable and effective in a carrier aggregation system.

Embodiments of this application provide a communication method and a communication apparatus. The method includes: a first communication apparatus may design a frame structure parameter based on a multipath performance requirement by using an additional control channel, to specifically determine a length of a subframe, a quantity of slots in the subframe, and a quantity of first-type symbols and a quantity of second-type symbols in the subframe. A 18t symbol in the first-type symbols corresponds to a first cyclic prefix, and a symbol in the second-type symbols corresponds to a second cyclic prefix. Therefore, CP redundancy can be reduced, control channel overheads and blind detection overheads of a user can be reduced, network resource scheduling flexibility can be improved, and system efficiency can be improved.

This application relates to a communication signal receiving method, apparatus, device, and medium based on an attention mechanism. The method includes: constructing and training a multi-source coupled signal separation network consisting of an end-to-end encoder-separation module-decoder. In the network, the encoder first maps short-time overlapping segments in a mixed signal into high-dimensional feature representations, which are then concatenated along the time axis to form a mixed signal feature vector. Next, based on the attention mechanism process modeled by the separation module, a mask of the target signal is extracted from the mixed signal feature vector, and the target signal feature representation is separated using the mask. Finally, the decoder receives the target signal feature representation, reconstructs it segment by segment, and outputs the complete target signal by overlapping and superimposing the reconstructed signal segments. This application enables efficient and accurate reconstruction of target signals in complex electromagnetic environments, achieving accurate reception of communication signals and enhancing the robustness of the communication system.

A method performed by a User Equipment (UE) is provided. The method includes receiving Transmission / Reception Point (TRP) information from a Base Station (BS), and communicating with a plurality of TRPs based on the TRP information, where the TRP information identifies a correspondence between the plurality of TRPs and a plurality of Downlink (DL) Reference Signal (RS) resources, and where the TRP information includes at least one of a plurality of TRP Identifiers (IDs), a plurality of Control Resource Set (CORESET) IDs, or a TRP mapping table including a plurality of TRP indices and a plurality of DL RS resource indices.

The application discloses a processing method and device for encoding and decoding. A sending end obtains basic parameters of an RM code and a plurality of information bits to be processed, determines a bit index set according to a predefined superposition ratio, a superposition mode and the basic parameters, encodes the plurality of information bits to be processed according to a preset encoding mode and the bit index set, and obtains a coded codeword. The preset encoding mode is determined by a Plotkin recursive structure or a corresponding generating matrix of a preset partial superposition. The coded codeword is modulated, the modulated signal is sent to a receiving end through a channel, so that the receiving end performs channel decoding on demodulated information through a preset decoding algorithm and outputs.

The invention relates to a spread spectrum underwater acoustic communication coding and decoding method, which comprises the following steps of: performing dual-channel coding modulation, sequentially performing CRC (cyclic redundancy check) coding, serial-parallel conversion, multi-system error correction coding and interleaving operation on an information bit stream at a transmitting end, then performing spread spectrum modulation on a code element by using a pseudorandom sequence, and finally mapping modulation output of an I channel and a Q channel into a baseband signal, and a spread spectrum underwater acoustic communication signal is formed through pulse shaping and up-conversion processing. According to the method, the communication accuracy is improved through a dual-channel incoherent and coherent redundancy decoding mode and an opportunity cross validation decoding mode.

The embodiment of the application discloses a link reestablishment method and device, relates to the field of communication, and solves the problem that data cannot be continuously transmitted and communication is interrupted due to shielding in the process of communication between a base station and a UE. The specific scheme is as follows: when the UE detects that a first downlink beam pair set is invalid, the UE sends a first uplink signal to the base station by using a first uplink beam pair set through a first uplink channel at an n moment, and the first uplink signal is used to inform the base station that the first downlink beam pair set is invalid; the UE detects a first downlink signal sent by the base station through a first downlink channel by using a second downlink beam pair set at an n+k moment, obtains a first detection result, and the first downlink signal is used to confirm that the base station receives the first uplink signal. The embodiment of the application is used in the process of link reestablishment.

A scheduled entity measures a power level of a demodulation reference signal (DMRS) before blindly decoding a physical downlink control channel (PDCCH) candidate associated with the DMRS. If the power level is above a predetermined threshold, the scheduled entity blindly decodes the PDCCH candidate, or if the power level is below the predetermined threshold, the blind decoding is abandoned. A scheduling entity sends a blind decoding configuration setting to the scheduled entity. The scheduling entity enables, via the blind decoding configuration setting, a measurement, at the scheduled entity, of power levels of a plurality of DMRSs before blindly decoding a plurality of respective PDCCH candidates associated with the plurality of DMRSs. Blind decoding is performed only for PDCCH candidates associated with DMRSs having power levels above a predetermined threshold. A predetermined number of PDCCH candidates are scheduled for blind decoding. Blind decoding stops when the predetermined number is reached.

Receivers, control systems, and methods for receiving a signal. The method includes receiving a differential communication signal comprising a first component and a second component. The method also includes generating a comparison signal with a comparator by comparing the first and second components. Furthermore, the method includes generating an unbalanced communication signal by applying a debounce time to the comparison signal. Finally, the method includes inverting a voltage offset of the comparator based on the unbalanced communication signal.

A blind detection method and apparatus, a terminal, and a storage medium. The method comprises: according to system frame number (SFN) information, demasking physical broadcast channel (PBCH) information received by a synchronization signal / PBCH block (SSB) in a target beam direction in at least one synchronization signal period within one transmission time interval, so as to obtain at least one group of demasked sequences; determining a combined sequence according to the at least one group of demasked sequences; checking a decoding result of the combined sequence; and when the check succeeds, extracting a master information block (MIB) from the decoding result according to the SFN information, so as to complete blind detection of the PBCH information.

A wireless communication system and method are provided that involves multiplexing sidelink synchronization signal block (S-SSB) transmissions with physical sidelink control channel (PSCCH) / physical sidelink shared channel (PSSCH) transmissions to achieve occupied channel bandwidth (OCB). A user equipment (UE) determines a multiplexing configuration for multiplexing sidelink transmissions with S-SSB transmissions in a sidelink bandwidth portion (BWP). The UE transmits S-SSB transmissions in the sidelink BWP during sidelink time slots. The UE also transmits sidelink transmissions in the sidelink BWP during sidelink time slots, wherein the S-SSB transmissions and sidelink transmissions are transmitted by multiplexing the sidelink transmissions and S-SSB transmissions based on the multiplexing configuration.

This application provides a COT indication information sending method and apparatus. When a channel is not occupied within a first COT, a network device sends indication information to a terminal device within the first COT, where the indication information is used to indicate that the channel is not occupied within the first COT. When the channel is occupied within the first COT, the network device obtains a second COT within the first COT, and sends start information of the second COT to the terminal device. Correspondingly, when receiving the indication information, the terminal device may perform blind PDCCH detection in a first manner. If the terminal device does not receive the indication information, it indicates that the channel is occupied within the first COT, and the terminal device performs blind detection on the start information of the second COT. Therefore, the terminal device can learn of a channel occupancy condition within a COT in time, to perform blind detection in a suitable blind detection manner, thereby improving utilization of spectrum resources and reducing power consumption of the terminal device.

Disclosed is a method and device for repeatedly transmitting / receiving downlink control information in a wireless communication system, the method performed by a user equipment (UE) in the wireless communication system including transmitting, to a base station, first information related to physical downlink control channel (PDCCH) repetition transmission, the first information including second information related to a number of blind decoding times of a PDCCH candidate, receiving, from the base station, configuration information about a control resource set and a search space configured for PDCCH transmission, and receiving, from the base station, control information about a first PDCCH and a second PDCCH based on the first information and the configuration information, the second PDCCH being a repetition of the first PDCCH.

The application provides a data transmission method and device, a transmitter, a receiver and a storage medium. The method determines a resource unit quantity N and corresponding N resource units, N being an integer greater than or equal to 1; obtains M data blocks to be transmitted, M being an integer greater than or equal to 1, wherein each data block contains information for indicating the resource unit quantity N and the position of at least one resource unit in the N resource units; and transmits the M data blocks on the N resource units.

The application relates to a satellite communication transmission method and device. The method of the application is applied to a sending end and comprises the following steps: encoding source data, and framing the coded output data based on an agreed subframe structure; performing symbol mapping processing on the framed output subframes to generate a first baseband signal; performing pulse shaping processing to obtain a second baseband signal; performing up-conversion and digital-to-analog conversion processing on the baseband signal to obtain an analog signal meeting the emission frequency point requirement and the sampling rate requirement, and performing emission; the subframe structure comprises a frame header synchronization sequence, a characteristic sequence used for carrying modulation mode information and coding mode information, a data load sequence and a frame tail synchronization sequence; the frame header synchronization sequence, the characteristic sequence, the data load sequence and the frame tail synchronization sequence are arranged in sequence, and the end of each sequence is sequentially inserted with a symbol pilot, and each symbol pilot constitutes a unique word sequence used for realizing a preset function. The application is beneficial to improving communication stability.

Disclosed are a method for and an apparatus in a user equipment for wireless communication, and a method for and an apparatus in a base station for wireless communication. The method for a user equipment for wireless communication comprises: a user equipment receiving first information, wherein the first information is used for indicating M instances of DCI blind decoding; in a first time-domain resource, respectively monitoring a first type of wireless signals on each sub-band from among S sub-bands; and in the first time-domain resource, at most executing, on the S sub-bands, M1 instances of DCI blind decoding from among the M instances of DCI blind decoding, wherein the first type of wireless signals detected on the S sub-bands are used for determining the M1 instances of DCI blind decoding from the M instances of DCI blind decoding. The method allows a base station to dynamically adjust blind decoding of a UE side on a PDCCH resource according to a result of LBT, thereby ensuring enough PDCCH resources and also avoiding the PDCCH resources excessively occupying PDSCH resources, and avoiding excessive instances of blind decoding.

The invention relates to a blind detection method and device for a physical downlink control channel. The method comprises the following steps: determining whether a signal quality parameter meets a blind detection condition of a physical downlink control channel (PDCCH) according to the signal quality parameter of a control channel format indication (CFI) signal and a corresponding preset threshold value; in response to the fact that the signal quality parameter meets the blind detection condition of the PDCCH, the priority sequence of aggregation levels for conducting blind detection on the PDCCH is determined based on the actual receiving power of the CFI signal, and the signal quality parameter comprises the actual receiving power of the CFI signal and / or the actual detection distance of the CFI signal; determining a target aggregation level from the aggregation levels based on the actual received power of the CFI signal; and performing blind detection of the PDCCH according to the priority sequence and the candidate set in the target aggregation level. The method can reduce the number of blind detection times and shorten the blind detection time.

The present application can provide a method and UE for cross-carrier scheduling from a secondary cell to a primary cell. In particular, a UE can be connected to a primary cell and a secondary cell, wherein cross-carrier scheduling is configured between the primary cell and the secondary cell. According to the type of the UE, when the UE is a first type UE, the UE can monitor PDCCH from both the primary cell and the secondary cell in the same time slot, or when the UE is a second type UE, the UE can ignore PDCCH from the secondary cell in the same time slot. By utilizing the present application, wireless communication can be better.

The present application relates to multi-candidate successive cancellation list (SCL) decoding of polar codes. In an example, an apparatus processes multiple candidate codewords using a same SCL decoder. The SCL decoder may be cyclic redundancy code (CRC)-aided. The multiple candidate codewords may have different code configurations and / or different inputs. In an example, the multiple candidate codewords are packaged so that at most one of the candidate codewords in the package is valid.

This application discloses wireless devices, multi-scan PHY blocks thereof, and associated methods. A multi-scan PHY block might include a first number of front-end blocks and a second number of back-end blocks. The multi-scan PHY block might enable detection by the front-end blocks of packets on a plurality of wireless channels and demodulation by the back-end blocks of the packets on the plurality of wireless channels without requiring a separate back-end block for each wireless channel.