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1182results about "Receiver specific arrangements" patented technology

Method and device for monitoring signals in wireless communication system

A method and device for monitoring signals in a wireless communication system disclosed in the present application can monitor a PDCCH candidate for a DCI format on the basis of a search space set configuration. The DCI format is monitored on a scheduling cell and schedules PDSCHs or PUSCHs on a plurality of scheduled cells.
Owner:LG ELECTRONICS INC

Method for processing delay for pdcch repetitions

Disclosed are methods and apparatus to process delay for PDCCH repetition. A transmission of a physical downlink control channel (PDCCH) repetition may be monitored. A multiplexing pattern of the PDCCH repetition and a physical downlink shared channel (PDSCH) within an overlapping symbol may be determined. A processing delay for a decoding of the PDCCH repetition, a decoding of the scheduled PDSCH, and an acknowledgement (ACK) preparation based on the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol may be determined. The PDSCH may be monitored after receiving the PDCCH repetition.
Owner:APPLE INC

Method and apparatus for monitoring downlink control channel in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The disclosure discloses a method and a device in a wireless communication system. According to an embodiment of the present disclosure, there is provided a method performed by a terminal in a wireless communication system, comprising: receiving, a frequency domain configuration of a control resource set (CORESET), determining a frequency domain area where a control resource set (CORESET) is located, wherein the frequency domain area where the CORESET is located comprises at least a part of the frequency domain area of CORESET determined based on the received frequency domain configuration of the CORESET; and monitoring a physical downlink control channel (PDCCH) based on the determined frequency domain area where the CORESET is located.
Owner:SAMSUNG ELECTRONICS CO LTD

Blind detection method for physical downlink control channel (PDCCH) and first terminal

Provided are a physical downlink control channel (PDCCH) blind detection method and a first terminal, the method being applied to the first terminal, the first terminal comprising a decoder device, the method comprising: determining a message type of DCI according to PDCCH scheduling information sent by a network device, the message type being a public message type or a proprietary message type; according to the message type, PDCCH blind detection parameters are determined, and the PDCCH blind detection parameters comprise at least one RNTI value; calling a decoder device to execute a detection task on the demodulated first data signal to obtain target data corresponding to the first terminal; wherein the detection task comprises decoding related processing and at least one CRC (Cyclic Redundancy Check) processing corresponding to at least one RNTI (Radio Network Temporary Identity) value. According to the scheme provided by the invention, the time consumption of the PDCCH blind detection process is reduced, and the efficiency of the PDCCH blind detection is improved.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Communication interface circuit supporting communication link change and method of operation thereof

A communication interface circuit supporting a communication link change and a method of operating the same, the communication interface circuit including: a protocol layer circuit generating packet data based on input data; and a physical layer circuit that encodes the packet data to output a transmission state, and drives a data channel including a plurality of three-phase line links based on the transmission state, where the physical layer circuit may include an encoder that encodes the packet data to output the transmission state. The encoder calculates a transmission state based on a preorder state output from the encoder within a previous unit interval, a symbol mapped to the packet data, and a control code, and wherein the control code indicates a coding change based on a coupling relationship of the plurality of three-phase line links. A communication interface circuit stably transmits data.
Owner:SAMSUNG ELECTRONICS CO LTD

Techniques for providing channel quality feedback for enhanced reliability in wireless communications

Aspects of the present disclosure provide techniques for communicating channel state information (CSI) reports. In some aspects, downlink resources can be monitored for reception of downlink signaling, a CSI report can be generated based on the reception of the downlink signaling, where the CSI report indicates CSI for each of multiple sub-bands of the downlink resources, and the CSI report can be transmitted with hybrid automatic repeat request (HARQ) acknowledgement or negative acknowledgement (ACK / NACK) feedback associated with the downlink signaling to facilitate retransmission with improved block error rate (BLER). In some aspects, a base station receiving the CSI report, or otherwise based on uplink signals, can determine transmission parameters for retransmission to facilitate the improved BLER.
Owner:QUALCOMM INC

Two-stage design for new radio (NR) sidelink control information (SCI)

A receive (Rx) UE performs blind detection to decode a first-stage Sidelink Control Information (SCI) in a received signal. The first-stage SCI contains control information for the Rx UE to locate time-and-frequency resources used by a transmit (Tx) UE. The time-and-frequency resources are used to transmit the first-stage SCI and a second-stage SCI via a Physical Sidelink Control Channel (PSCCH) and to transmit data via a Physical Sidelink Shared Channel (PSSCH) associated with the PSCCH. The Rx UE locates the second-stage SCI in the time-and-frequency resources based on the first-stage SCI. The second-stage SCI contains additional control information from the Tx UE to the Rx UE for the sidelink V2X communication. The Rx UE decodes the second-stage SCI using at least in part an identifier which identifies the Rx UE as a destination of the received signal.
Owner:MEDIATEK INC

Data decoding method and apparatus, electronic device, and storage medium

The present application discloses a data decoding method and apparatus, an electronic device, and a storage medium. The method comprises: acquiring the clock rate of a single-channel clock; on the basis of the clock rate of the single-channel clock, sampling, at rising edges and falling edges of the single-channel clock, a data stream formed using Manchester encoding, and obtaining a plurality of pieces of sampling data; and decoding each piece of sampling data, and obtaining decoded data of the data stream. According to the data decoding method provided by embodiments of the present application, clock resources required to be occupied when the Manchester-encoded data is decoded can be reduced while improving the decoding efficiency.
Owner:CONTEMPORARY AMPEREX FUTURE ENERGY RES INST (SHANGHAI) LTD +1

System and method for indicating wireless channel status

A method for operating a user equipment includes receiving a first frame on a first channel associated with a first beam identified during a beam failure recovery procedure, and determining that an assumed quasi-co-located relationship exists between the first channel and the first beam, and based thereon, decoding the first frame in accordance with a first reference signal on the first channel and using a first spatial domain receive filter that was used to decode the first beam.
Owner:FUTUREWEI TECHNOLOGIES INC

Novel wireless blind detection method, device, equipment, medium and computer program product

The invention provides a novel wireless blind detection method, device and equipment, a medium and a computer program product, and the method comprises the steps: converting a received air interface analog signal into time domain stream data, and sequentially carrying out the synchronous processing and fast Fourier transform of the time domain stream data, and obtaining frequency domain stream data; determining a candidate set space to be subjected to blind detection based on the frequency domain stream data; performing network identifier detection on the candidate set space to be subjected to blind detection to obtain a balanced data block corresponding to a target identifier; and determining a blind detection result of the air interface analog signal based on the balanced data block. According to the method, data stream processing and data block balancing are sequentially carried out on the air interface analog signal, and under cooperation of the data stream processing and the data block balancing, load balancing of blind detection of the new wireless passive positioning system is achieved.
Owner:GUANGDONG JIECHUANG INTELLIGENT TECH CO LTD

Communication method and apparatus

This application provides a communication method, including: receiving first information from an access network device, where the first information indicates a first performance difference between performance of a first decoder in the access network device and performance of a second decoder in a terminal device; decoding, via the second decoder, an encoded bit stream corresponding to channel data, to obtain channel information; determining a first value of a rank based on the first performance difference and the channel information; and sending, to the access network device, the first value and a channel quality indicator corresponding to the first value.
Owner:HUAWEI TECH CO LTD

Downlink control channel detection method, terminal, and network side device

The embodiments of the present disclosure provides a downlink control channel detection method, a terminal and a network side device. The method includes: performing energy-saving signal detection by a terminal, wherein the energy-saving signal is at least used to indicate detection information of a downlink control channel; detecting the downlink control channel by the terminal according to the detection information if the energy-saving signal is detected.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Method and device for receiving downlink control information DCI

The present disclosure provides a method performed by a user equipment (UE), the method including determining formats of all downlink control information (DCI) to be received and DCI format payload sizes corresponding to the formats of the DCI; performing an alignment operation on one or more of the DCI format payload sizes according to a protocol or higher-layer signaling; and receiving all DCI, wherein, the formats of all DCI to be received include a DCI format for a multicast physical downlink shared channel (PDSCH).
Owner:SAMSUNG ELECTRONICS CO LTD

Satellite communication CDMA spread spectrum signal blind detection method and system based on deep learning

The invention relates to a satellite communication CDMA spread spectrum signal blind detection method and system based on deep learning. The method comprises the following steps: preprocessing data; building a deep learning model; extracting features; blind detection algorithm processing; and evaluating and optimizing the performance of the algorithm model. According to the method, effective blind detection of the CDMA spread spectrum signal is realized by aiming at the CDMA spread spectrum signal in satellite communication and utilizing the strong feature extraction and mode recognition capability of the deep learning model, the blind detection accuracy and robustness of the CDMA spread spectrum signal in satellite communication in a complex electromagnetic environment are improved, the performance and stability of a satellite communication system are improved, and the method is suitable for popularization and application. According to the method and the device, the dependence on external information is reduced, powerful support is provided for reliable operation of satellite communication, and the problem of accurately detecting the satellite communication CDMA spread spectrum signal in an actual communication scene in which a user spread spectrum code is unknown or difficult to obtain is solved.
Owner:ZHEJIANG YANGMING TECHNOLOGY DEVELOPMENT CO LTD

Physical channel monitoring method and terminal device

A physical channel monitoring method and a terminal device are provided. The method included: a terminal device being configured with at least one serving cell group; and the terminal device performing PDCCH monitoring on a first serving cell according to a first serving cell group, wherein the first serving cell is a serving cell included in the first serving cell group, and the first serving cell group is a serving cell group in the at least one serving cell group.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Radio pdcch to facilitate numerology operations

New radio download numerology allocation information may be obtained through master information block data, system information block data, radio resource control signals, or signals or a physical downlink numerology indication channel, and used along with a reference signal detected in a search space to obtain resource element positions in an antenna port reference signal in a resource block that belongs to a particular band slice according to a reference signal allocation scheme for a band slice numerology. A physical download control may then be decoded based upon one or more resource elements of the reference signal, allowing the connection of, e.g., an enhanced mobile broadband, massive machine type communication, or ultra-reliable / low-latency application to a communications network thereby. Alternatively, multiple physical downlink control channels may be blindly demodulated at each of a number calculated reference signal locations, and one channel selected based on passing a cyclic redundancy check.
Owner:INTERDIGITAL PATENT HOLDINGS INC

Method and device for performing communication on basis of HT control field in wireless LAN system

A method and a device for performing communication in a wireless LAN system are disclosed. A method for performing communication by a first station (STA) in a wireless LAN system comprises the steps of: receiving, from a second STA, an A-control subfield comprising at least one control subfield; and performing communication on the basis of the A-control subfield, wherein, on the basis of a value of a control ID of a specific control subfield among the at least one control subfield being set to a specific value, a first control information subfield of the specific control subfield may comprise at least one extended control subfield, and the extended control subfield may comprise an extended control ID subfield and a second control information subfield.
Owner:LG ELECTRONICS INC

Multi-source telemetry data processing method and device and computer readable medium

The invention discloses a multi-source telemetry data processing method and device and a computer readable medium. The method comprises the following steps: acquiring a plurality of telemetry source code frames corresponding to target telemetry information; performing integrity verification on each telemetering source code frame in the plurality of telemetering source code frames to obtain a verification result; if the verification result represents that the plurality of telemetering source code frames do not pass the verification, analyzing each telemetering source code frame in the plurality of telemetering source code frames, carrying out optimization processing on a plurality of analysis results, and outputting an analysis result corresponding to the target telemetering information; if the verification result represents that at least one telemetering source code frame passes the verification, performing intra-frame information optimization processing on the at least one telemetering source code frame to generate an optimized telemetering source code frame; and analyzing the optimized telemetering source code frame, and outputting an analysis result corresponding to the target telemetering information. Therefore, the influence of telemetry data exception on telemetry data analysis is reduced, and the effectiveness and real-time performance of telemetry data processing are improved.
Owner:CANGYU TIANJI (BEIJING) INFORMATION & COMM TECH CO LTD

Interrupted transmission in control channel repetition

A wireless device may receive a physical downlink control channel (PDCCH) with first downlink control information (DCI) scheduling an uplink transmission. The wireless device may receive, via at least one PDCCH monitoring occasion of PDCCH monitoring occasions, a repetition of second DCI that indicates cancelation of one or more symbols of the uplink transmission. The wireless device may cancel the one or more symbols of the uplink transmission based on a last symbol of the PDCCH reception with the first DCI being earlier than a starting symbol of the PDCCH monitoring occasions.
Owner:OFINNO LLC

Data frame receiving method and device, storage medium and wireless communication equipment

The embodiment of the invention discloses a data frame receiving method and device, a storage medium and wireless communication equipment, and belongs to the field of wireless communication. The invention provides an efficient hardware PIPE architecture which comprises K pipeline layers, and each layer is associated with a data frame and three storage units. And after the LMAC module receives the data frame, the validity of the data frame is judged according to the difference value between the serial number and the reference serial number, the retransmission frame is identified and discarded by using the flag bit, and otherwise, the storage unit is updated. The UMAC module reads and processes the data frame from the pipeline index 0, then the data frame moves downwards, and the reference serial number increases progressively. And the LMAC module also monitors a pipeline index 0 flag bit through a timer, and performs data frame deletion and downward movement operation if the time is out. In addition, the LMAC module can process a block acknowledgement request frame, set a data frame flag bit according to a serial number range, generate a bitmap and return the bitmap to a sender. According to the architecture, efficient receiving, processing and confirmation of data frames are realized, the system complexity is reduced, and the resource utilization rate and the data transmission efficiency are improved.
Owner:ZHUHAI HUGE IC CO LTD

Semantic communication method and system, electronic equipment and computer readable storage medium

The invention provides a semantic communication method and system, electronic equipment and a computer readable storage medium, and relates to the field of communication, in particular to the field of semantic communication and artificial intelligence. According to the specific implementation scheme, the method comprises the steps of inputting information source data into a pre-trained semantic encoder for semantic encoding, obtaining information source semantic features of the information source data, mapping the information source semantic features to a target codebook, and generating an information source index vector; transmitting the information source index vector from the transmitting end to the receiving end through the communication channel, and obtaining a channel index vector; obtaining a channel semantic feature according to the target codebook and the channel index vector, inputting the channel semantic feature into a pre-trained semantic decoder for semantic decoding, and generating reconstruction data; wherein the target codebook is determined according to the signal quality of the communication channel and an initial codebook; the initial codebook is obtained through joint training with the semantic encoder and the semantic decoder.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Method for processing delay for PDCCH repetitions

Disclosed are methods and apparatus to process delay for PDCCH repetition. A transmission of a physical downlink control channel (PDCCH) repetition may be monitored. A multiplexing pattern of the PDCCH repetition and a physical downlink shared channel (PDSCH) within an overlapping symbol may be determined. A processing delay for a decoding of the PDCCH repetition, a decoding of the scheduled PDSCH, and an acknowledgement (ACK) preparation based on the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol may be determined. The PDSCH may be monitored after receiving the PDCCH repetition.
Owner:APPLE INC

Modulation method, demodulation method and device

A modulation method, a demodulation method and devices can be applied to the technical field of communication. The method comprises the following steps: a first device obtains a TB to be modulated, modulates the TB based on at least two mapping relationships, and outputs a modulation symbol. Wherein the resource for transmitting the TB comprises M resource units, and mapping relationships corresponding to at least two resource units in the M resource units are different. And after receiving a signal transmitted through the channel, the second device processes the signal to obtain information to be demodulated, and demodulates the information to be demodulated based on the at least two mapping relationships to obtain a TB. According to the method, a matched mapping relation can be designed for each resource unit, and the demodulation performance can be effectively improved. Furthermore, the at least two mapping relations are determined based on the channel environment information of the M resource units, for example, the mapping relation corresponding to one resource unit is determined based on the channel environment information of the resource unit, and the determination can be realized by utilizing an AI model.
Owner:HUAWEI TECH CO LTD

Blind identification method, device and system for signal modulation mode

The invention relates to a blind recognition method, device and system for a signal modulation mode, and the method comprises the steps: building a target recognition model which is used for recognizing a signal modulation mode corresponding to a received signal; when a signal is received, extracting each instantaneous feature of the signal to obtain an instantaneous feature set corresponding to the signal; for each instantaneous feature in the instantaneous feature set, determining an instantaneous feature statistic corresponding to the signal according to the instantaneous feature so as to obtain an instantaneous feature statistic set corresponding to the signal; and inputting the instantaneous characteristic statistic set into a target recognition model, so that the target recognition model outputs a target signal modulation mode corresponding to the signal. According to the invention, the accuracy and reliability of blind identification of the signal modulation mode corresponding to the signal are improved.
Owner:BEIJING AEROSPACE MEASUREMENT & CONTROL TECH

Communication method and apparatus

A communication method and apparatus, which can be applied to an NTN communication scenario and ensure the decoding performance of a physical downlink control channel (PDCCH). The method comprises: a first network device sends first information to a terminal device, the first information indicating the quantity of frequency domain resources and / or time domain resources respectively corresponding to at least one parameter. The first network device and the terminal device acquire a first parameter value, and determine the quantity of first frequency domain resources and / or the quantity of first time domain resources on the basis of the first parameter value. Then, the first network device sends a PDCCH on the basis of the quantity of the first frequency domain resources and / or the quantity of the first time domain resources, and the terminal device receives the PDCCH on the basis of the quantity of the first frequency domain resources and / or the quantity of the first time domain resources. When the at least one parameter is a numerical value, the at least one parameter comprises the first parameter value, or when the at least one parameter is a numerical range, the first parameter value is one parameter among the at least one parameter.
Owner:HUAWEI TECH CO LTD