887results about "Receiver specific arrangements" patented technology

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.

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.

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.

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.

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.

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.

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).

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.

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.

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.

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.

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.

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.

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.

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.

This application provides a communication method and a communications apparatus. A terminal may perform, based on first configuration information for a maximum of a first quantity of times, blind detection at PDCCH candidate locations configured by a network device for a first CORESET group. In comparison with a solution, in the conventional technology, in which the terminal blindly detects a PDCCH for all CORESETs in a target cell for a maximum of the first quantity of times, blind detection is performed for a CORESET corresponding to each TRP for a larger quantity of times. Therefore, scheduling flexibility can be improved.

The invention discloses a SOCKET communication receiving method for variable-length data packets, which relates to the technical field of computer network data transmission, and comprises the following steps of: establishing a user-defined communication protocol containing a length field, a number field and a CRC-32 checksum field, and matching with a dynamic management mechanism of a double linked list segmented buffer area of a receiving end, so that the data packets with different lengths can be received. According to the method and the device provided by the invention, the efficient receiving of the variable-length data packet is realized, a receiving end predicts the buffer extension amount through a sliding window historical array, and the problems of memory waste, data loss, packet sticking, disorder and the like caused by a traditional fixed buffer are solved by combining incremental CRC-32 verification and segmentation-level accurate retransmission, so that the memory utilization rate and the data transmission integrity are improved.

Disclosed are a method and device for transmitting and receiving a downlink channel on the basis of blind decoding in a wireless communication system. A method for a terminal to decode a downlink channel in a wireless communication system according to an embodiment of the present disclosure comprises: a step for transmitting capability information associated with one or more first monitoring schemes among a plurality of monitoring scheme candidates to a base station; a configuration information reception step for receiving configuration information about a second monitoring scheme among the plurality of monitoring scheme candidates from the base station, the complexity of the second monitoring scheme being no greater than that of the one or more first monitoring schemes; and a step for monitoring and decoding the downlink channel on the basis of the configuration information, wherein the plurality of monitoring scheme candidates may include a combined blind decoding (BD) scheme for the repeated transmission or split transmission of the downlink channel on a plurality of monitoring occasions (MO).

The invention provides a decoding device and method. The method is suitable for the condition that periodic repeated code elements exist in original information code elements. The method comprises the steps that scrambled information code elements k0, k1, k2,..., kt-1, kt,..., km-1 with the length of m, the initial state M (0) of a long code generator and a state transition matrix B are received; constructing auxiliary data k0 ', k1', k2 ',..., k' 82 according to the scrambled information code elements k0, k1, k2,..., kt-1, kt,..., km-1; wherein ki '= ki + kt-1 + i, and i = 0, 1,..., 82; according to the auxiliary data k0 ', k1', k2 ',..., k' 82, the initial state M (0) and the state transition matrix B, a 42 * 42 full-rank matrix D is obtained through calculation; wherein the first behavior of the D is CBn, and then a scrambling code # imgabs0 # with the length of m is obtained through sequential analysis, the scrambling code obtained through analysis and scrambled information code elements k0, k1, k2,..., km-1 are subjected to modulo 2 addition operation, and an original information code element with the length of m is obtained.

The present invention discloses a communication signal detection and recognition method based on improved YOLOv5. The method uses a lightweight improved YOLOv5, that is, a lightweight structure is used in the backbone network to reduce the amount of calculation, and the recognition ability is enhanced by combining a targeted scale feature fusion module and a feature attention module. The real-time recognition and extraction of features such as the existence, bandwidth, carrier frequency, duration and modulation mode of the communication signal can be achieved through the signal time-frequency diagram. The method proposes a signal detection and recognition scheme that can realize a series of functions such as signal acquisition, processing, training, real-time detection and recognition, and is easy to migrate and deploy as a whole. The present invention has high recognition performance in real-time detection and recognition of multiple parameters of communication signals, and has low difficulty in application and deployment in various terminal devices.

Methods, systems, and devices for wireless communications are described. In polar coding, some bits channels have a higher reliability and other bit channels have a lower reliability. Data may be transmitted on some of the bit channels, and frozen values known to both the receiver and transmitter may be transmitted on the remaining bit channels. The performance of different polar code schemes (e.g., which bit channels are frozen) may depend on the decoder the receiving device uses. A receiving device (e.g., a user equipment for downlink transmissions) may indicate a decoder or polar decoding capability to the transmitting device (e.g., the network entity for downlink transmissions), and the transmitting device may select and indicate to the receiving device a polar coding scheme based on the indicated decoder or decoding capability. The transmitting device may transmit a communication to the receiving device encoded in accordance with the indicated polar coding scheme.

The present disclosure relates to a downlink control information size alignment method and apparatus, a communication device, and a storage medium. The downlink control information size alignment method includes determining that the size of downlink control information (DCI) for scheduling data of a plurality of cells is aligned with the size of DCI for scheduling data of a single cell. 【Solution means】According to the present disclosure, it is possible to determine that the size of DCI for scheduling data of a plurality of cells is aligned with the size of DCI for scheduling data of a single cell, thereby reducing the number of types of DCI received by a terminal in a serving cell and being advantageous for reducing the complexity of blind detection of DCI by the terminal.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for training and deploying machine-learned communication over radio frequency (RF) channels. One of the methods includes: determining first information; using an encoder machine-learning network to process the first information and generate a first RF signal for transmission through a communication channel; determining a second RF signal that represents the first RF signal having been altered by transmission through the communication channel; using a decoder machine-learning network to process the second RF signal and generate second information as a reconstruction of the first information; calculating a measure of distance between the second information and the first information; and updating at least one of the encoder machine-learning network or the decoder machine-learning network based on the measure of distance between the second information and the first information.

A method performed by a wireless device, UE, for configuring a semi-persistent scheduling, SPS is described. In accordance with the method, the UE may be configured to monitor a first search space of a physical downlink control channel for downlink control information, DCI, dedicated to the UE. The method may include receiving from the communication network SPS configuration data to configure a second search space to be monitored by the UE for DCI to activate or de-activate the SPS, the second search space being smaller than the first search space, and monitoring the second search space to detect the DCI to activate or de-activate the SPS. A corresponding method may be performed by a network node.

A communication method includes transmitting resource assignment information including bits that indicate activation or deactivation statuses of respective downlink component carriers, which are secondary downlink component carriers added to a primary component carrier which is always activated, each of the downlink component carriers corresponding to one bit included in bits, and the one bit indicating that a corresponding downlink component carrier is to be activated or deactivated. When any one bit of the bits indicates that its corresponding downlink component carrier is to be activated, the bits jointly indicate the activation or deactivation statuses, a sounding reference signal (SRS) transmission request and a channel quality information (CQI) reporting request. The method also includes receiving a SRS and a CQI that are transmitted, in response to the SRS transmission request and the CQI reporting request, on an uplink component carrier linked to an activated downlink component carrier(s).

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may monitor a configured set of control channel elements (CCEs) for physical downlink control channel (PDCCH) decoding for a scheduled cell of a set of scheduled cells, wherein the configured set of CCEs is on a per scheduled cell basis or a per carrier indicator field value basis. The UE may decode downlink control information (DCI) in one or more CCEs of the monitored configured set of CCEs. Numerous other aspects are described.

Systems and methods for identifying and tracking users include receiving eavesdropped data from monitoring a base station in a wireless network; decoding the eavesdropped data to detect data therein to identify user equipment (UE) of a plurality of UEs associated with the base station; and tracking the plurality of UEs of the base station in the wireless network based on the detected data in the eavesdropped data.

The invention provides a signal detection method and device, equipment, a chip and a medium, and the method comprises the steps: obtaining a receiving signal corresponding to a control resource set CORESET to be subjected to blind detection; determining signal power and noise power of a control channel element (CCE) corresponding to the candidate physical downlink control channel (PDCCH) according to the pilot signal and the received signal of the CORESET; according to the signal power and the noise power of the CCE, determining the total signal-to-noise ratio of the candidate PDCCH and the target signal-to-noise ratio of the CCE; and determining whether the candidate PDCCH contains an effective signal according to the total signal-to-noise ratio and the target signal-to-noise ratio. The technical problem of high overhead of signal detection in the prior art is solved.