62results about "Error prevention/detection by diversity reception" patented technology

A method and system for improving robustness of wireless communications is provided. The provided method and system transmit a data packet on a first isochronous stream and transmit one or more supplemental data packets in the same time interval. The one or more supplemental data packets are used to recreate and / or extend at least a portion of one or more data packets of a plurality of data packets already transmitted. Alternatively, the one or more supplemental data packets are used to create and / or extend at least a portion of one or more data packets of a plurality of data packets received during a next isochronous interval. The method and system described herein enables improved robustness by enabling better retransmissions using correctly received packets, and the method described herein works with any Bluetooth broadcaster sink without modification.

Apparatuses, methods, and systems for computing an EVM of a transmitter are disclosed. One apparatus includes a processor and a receiver that receives a multi-layer MIMO signal from a transmitter via a propagation channel. The processor measures the received multi-layer MIMO signal using an unbiased linear MMSE MIMO equalizer and computes an EVM of the transmitter, where the EVM of each transmission layer is computed as 100 times the square root of a mean square error of a layer estimate at an output of the unbiased linear MMSE MIMO equalizer.

A method, apparatus, device, and medium for providing feedback of sensing results are provided. [Solution] In an exemplary method, a sensing starter device sends an indication to a first sensing response device regarding the terminating and feedback of the time-domain channel estimation and sensing sequence. Based on the indication, the first sensing response device terminates the received time-domain channel estimation and sensing sequence and feeds back the terminated time-domain channel estimation and sensing sequence. Thus, the sensing sender can perform channel estimation and target sensing based on the terminated time-domain channel estimation and sensing sequence. In this way, feedback overhead can be significantly reduced and sensing performance can be guaranteed to a certain extent.

The application provides a communication method, device and system. In the method, after a terminal determines the applicability information of each first configuration information, the applicability information is reported to a network device through first information. The applicability information is used to represent the applicability between the first configuration information and a model supported by the terminal. The network device can clearly know the applicability between the first configuration information and the model supported by the terminal. The configuration information issued by the network device can be applicable to the model supported by the terminal, and a technical basis is provided, thereby reducing the signaling overhead and communication delay caused by the blind issuance of the configuration information by the network device.

A user equipment (UE) includes a transceiver and a processor. The processor is configured to receive, from a network and via the transceiver, a configuration for a multiple layer physical uplink shared channel (PUSCH) transmission using more than one codeword. The processor is also configured to transmit, via the transceiver and in accordance with the configuration for the multiple layer PUSCH transmission that uses more than one codeword, the multiple layer PUSCH transmission. The multiple layer PUSCH transmission is transmitted on at least a first layer of the multiple layers using a first codeword of the more than one codeword, and on at least a second layer of the multiple layers using a second codeword of the more than one codeword.

This system utilizes inter-cell multiplexing gain through spatial processing of wireless communication networks. [Solution] A multiple antenna system (MAS) with multi-user (MU) transmission ("MU-MAS") that increases the capacity of a wireless communication network by utilizing inter-cell multiplexing gain through spatial processing. Over the past 30 years, the wireless cellular market has experienced a global increase in subscriber numbers, as well as a demand for better services shifting from voice to web browsing and real-time HD video streaming. This increasing demand for services requiring higher data rates, lower latency, and improved reliability has driven the rapid evolution of wireless technology through different standards.

The application discloses a passive positioning method and device based on WIFI wireless signals, equipment and a medium, relates to the technical field of wireless communication and positioning, and comprises the following steps: constructing an initial signal sample set; preprocessing the initial signal sample set to generate a standardized signal sequence; extracting fine-grained features related to the target position to construct a feature space; inputting the feature space into a positioning model to output the position estimation result of the target; iteratively optimizing feature extraction; outputting the final positioning result; generating a time alignment parameter matrix by aligning the timestamps of the initial complex matrix, and passing the time alignment parameter matrix for phase compensation, which overcomes the inconsistency of phase information in the traditional method; constructing a dynamic feature descriptor by performing feature decomposition on the weighted covariance matrix, which realizes the joint representation of the target motion state and the spatial position, enables the positioning model to accurately distinguish targets with different positions and motion states, and significantly improves the passive positioning accuracy.

This disclosure discloses a reference signal activation indication method and apparatus, relating to the field of communication technology. The method includes: sending activation indication information to a terminal device in a disconnected state, wherein the activation indication information indicates that a reference signal received by the terminal device within the activation time period corresponding to the activation indication information is active. This method sends activation indication information to the terminal device in a disconnected state via a network device, allowing the terminal device to receive the reference signal within the activation time period according to configuration information, thus saving power and resources. The network device can also flexibly configure the activation time period, reducing system overhead.

A base station in a wireless communication system comprising multiple base stations has a transmitting device (100) which modulates a transmission bit sequence to generate a modulation symbol, a differential block coding device (11) which differentially blocks encodes the modulation symbol to generate a differential block coded signal, and a precoding device (12) which performs a precoding process including phase rotation on the differential block coded signal. The precoding device (12) phase-rotates the differential block coded signal by a different amount of phase rotation than the phase rotation included in the precoding process performed by the precoding device of a transmitting device of another base station adjacent to the base station where the self-transmitting device is installed.

Provided in the present disclosure are a channel information feedback method and apparatus, and a storage medium and a program product. The method comprises: determining X channel state information reference signal (CSI-RS) resource groups, wherein X is a positive integer greater than or equal to 1, and each of the X CSI-RS resource groups comprises one or more CSI-RS resources; and sending related information of the X CSI-RS resource groups to a second node.

Systems, methods, and apparatus for denoising signals are disclosed. In one aspect, an apparatus is provided. The apparatus may comprise a first denoiser configured to receive an input signal and to generate a denoised signal and a signal reverser configured to receive the input signal and to generate a time reversed signal. The apparatus may also include a second denoiser configured to receive the time reversed signal and to generate a denoised time reversed signal. Further, the apparatus may include a signal combiner configured to combine the denoised signal with the denoised time reversed signal to generate an output signal.

The embodiment of the application discloses a signal transmission method, a terminal device and a storage medium. The signal transmission method comprises the following steps: in the case that a source node transmits a signal to a destination base station, acquiring the position of the destination base station, the position of the source node and a communication area covered by the source node; wherein the communication area comprises a plurality of communication nodes; determining a division line passing through the position of the destination base station and the position of the source node; and dividing the communication area into a first area and a second area based on the division line; wherein the first area comprises first communication nodes in the plurality of communication nodes; the second area comprises second communication nodes in the plurality of communication nodes; finding a first preset number of first cooperative nodes from the first communication nodes; and in the case that the first preset number of first cooperative nodes are found, finding a second preset number of second cooperative nodes from the second communication nodes; and transmitting the signal to the destination base station based on the first cooperative nodes, the second cooperative nodes and the source node.

Embodiments of this application provide a channel information reporting method and an apparatus. The method includes: A communication apparatus measures a plurality of reference signals from a plurality of radio access network devices, and determines first delay information and first channel information based on the plurality of reference signals; performs delay compensation on the first channel information based on the first delay information, to determine second channel information; determines a precoding matrix indicator (PMI) based on the second channel information, where the PMI indicates the second channel information; and reports the first delay information and the PMI.

A communications network system including antenna elements and a processor coupled with the antenna elements, the processor executing instructions to perform operations including establishing a first data communication link over a first frequency band between the CPU and the first AP of a first group of APs, causing the first AP to establish a second data communications link over a second frequency band between the first AP and a first UE, transmitting, via beamforming by the antenna elements, data to the first AP over the first data communications link, the data configured to be relayed via the first AP to the first UE over the second data communications link, obtaining an end-to-end data rate of the data communication between the CPU and the first UE, and achieving a higher end-to-end data rate than the obtained end-to-end data rate by adjusting beamforming vectors.

Techniques pertaining to data transmission methods for enhanced long range (ELR) Wi-Fi in wireless communications are described. A wireless communication apparatus (e.g., a station (STA) ) generates an ELR physical-layer protocol data unit (PPDU) comprising an ELR data or payload (ELR-Data). The apparatus then transmits the ELR PPDU in a wireless communication by transmitting the ELR PPDU with a signaling of a tone plan, a duplication, a modulation and a coding rate with respect to transmission of the ELR-Data.

An apparatus that allows a UE to determine whether a detected PDCCH corresponds to a linked PDCCH candidate with repetition. The apparatus monitors a PDCCH based on a DRX configuration, the DRX configuration having an inactivity timer. The apparatus determines whether the PDCCH corresponds to a linked PDCCH candidate and whether a new transmission is scheduled, where the linked PDCCH candidate consists of two or more PDCCH repetitions. The apparatus starts the inactivity timer in a first symbol after an end of at least one of the two or more PDCCH repetitions.

The invention relates to the technical field of data transmission, in particular to a data transmission method and system based on edge computing, comprising: acquiring motion data of a vehicle and channel state information of a communication channel, the motion data comprising acceleration, and the channel state information comprising a signal-to-noise ratio; and based on a plurality of signal-to-noise ratios and accelerations within a set sliding window length. According to the method, the channel-motion coupling fluctuation index is constructed by fusing the vehicle acceleration and the channel signal-to-noise ratio, the time delay sensitivity weighted backlog coefficient reflecting the real business urgency degree is calculated according to the channel-motion coupling fluctuation index, and the self-adaptive parameters of the transmission control algorithm are dynamically adjusted. Therefore, the system can sense the potential channel deterioration risk caused by strenuous movement of the vehicle, the attention on energy saving is automatically reduced when the environment becomes worse or data burst occurs, and the real-time performance of data transmission is preferentially guaranteed, so that the transmission backlog and time delay are remarkably reduced in a high-dynamic edge computing scene.

The present invention provides a method of reporting, by a UE, CSI in a wireless communication system, the method comprising: receiving, from a base station, a RRC signaling that comprises a plurality of reporting settings, wherein each reporting setting comprises a corresponding list of first values representing time offsets for transmitting a CSI report, forming a plurality of lists of first values; receiving, from the base station, DCI triggering the CSI report, wherein the DCI comprises an index value related to a time at which to transmit the CSI report on a PUSCH; determining, based on the DCI, a plurality of list entries; determining a second value that is largest among the plurality of list entries; and transmitting, to the base station, the CSI report on the PUSCH based on the second value.

The application discloses a channel information acquisition method, device, terminal and network side equipment, and belongs to the wireless communication field. The channel state information acquisition method of the application embodiment comprises the following steps: a terminal receives K reference signals sent by a network side equipment, wherein K is an integer greater than or equal to 1; the terminal acquires first channel state information (CSI) at a first time based on the K reference signals; in response to first downlink control information (DCI) sent by the network side equipment, the terminal acquires second CSI at a second time based on the K reference signals, wherein the second time is later than the first time; and the terminal sends a CSI report to the network side equipment, wherein the CSI report comprises one of the following: the second CSI, at least part of the content in the first CSI and the second CSI.

Certain aspects of the present disclosure provide a method of wireless communication by a user equipment (UE), generally including communicating with a network entity using one or more beams and transmitting, to the network entity, assistance information based on a predicted future blockage event involving at least one of the one or more beams.

Described herein is a radio access provider configured to communicate with wireless access devices over frequency bands. The radio access provider receives service priorities associated with active applications of the wireless communication devices. Based at least in part on the service priorities, the radio access provider selects blocks or channels from one or more of the frequency bands for a radio communication link for each of at least a subset of the wireless communication devices. The selecting may include selecting block or channels from multiple ones of the frequency bands for the radio communication link for at least one of the subset of the wireless communication devices. The selecting may also be based at least in part on signal quality metrics for the frequency bands, cross-correlations of the frequency bands, or power capacities of the wireless communication devices.

Provided in the embodiments of the present application are an information compression method and apparatus, and a terminal device and a network device. The method comprises: according to the priority of first channel state information (CSI) in CSI that is born on an uplink channel, a terminal device determining that it is necessary to perform compression on the first CSI, wherein the first CSI is AI / MI-based CSI, and the uplink channel is used for bearing the first CSI; and the terminal device performing compression on the first CSI by means of adjusting a first model, wherein the first model is used for generating the first CSI.

This application provides a vehicle-mounted dual-frequency dynamic cooperative communication method, apparatus, electronic device, and storage medium. The vehicle-mounted dual-frequency dynamic cooperative communication method includes: acquiring the service type of target data and the quality of service (QoS) parameters of the target data; when the service type and QoS parameters indicate that the target data meets the transmission conditions of a first frequency band, transmitting the target data based on the first frequency band, wherein the first frequency band is a millimeter-wave band; acquiring channel state information of the first frequency band; when the channel state information indicates that the signal strength of the first frequency band decreases, switching to a second frequency band to transmit the target data, or adjusting the millimeter-wave beam to point towards the receiving target, wherein the frequency range of the second frequency band is smaller than that of the first frequency band. This application can improve data transmission quality while increasing data transmission rate.

Provided in the present disclosure are a signal transmission method and apparatus, and a storage medium. The method includes: at a first moment, acquiring configuration information of a plurality of sets of antenna ports and / or measurement configuration information of a plurality of sets of CSI, which information is sent by a network device; executing measurement of the plurality of sets of CSI of the plurality of sets of antenna ports, and determining the plurality of sets of CSI corresponding to the plurality of sets of antenna ports; and sending the plurality of sets of CSI to the network device.

The present application belongs to the field of wireless communications. Disclosed are a channel information acquisition method and apparatus, and a terminal and a network-side device. The channel state information acquisition method in the embodiments of the present application comprises: a terminal receiving K reference signals sent by a network-side device, wherein K is an integer greater than or equal to 1; the terminal acquiring first channel state information (CSI) at a first time on the basis of the K reference signals; in response to first downlink control information (DCI) sent by the network-side device, the terminal acquiring second CSI at a second time on the basis of the K reference signals, wherein the second time is later than the first time; and the terminal sending a CSI report to the network-side device, wherein the CSI report comprises one of the following: the second CSI, at least part of content in the first CSI, and the second CSI.

Apparatuses, methods, and systems are disclosed for unlicensed spectrum access in integrated access and backhaul. An apparatus (800) includes a processor (805) and a memory (810) coupled to the processor (805). The processor (805) is configured to sense a shared medium by using a first entity of the apparatus (800). The processor (805) is configured to transmit, using the first entity of the apparatus (800), a first plurality of signals for a first duration and over the shared medium in response to the sensed shared medium being in an idle state. The processor (805) is configured to transmit, based at least in part on a second entity of the apparatus (800) being allowed to use the shared medium without sensing the shared medium, a second plurality of signals for a second duration and over the shared medium using the second entity of the apparatus (800).

Methods, systems, and devices for wireless communications are described. A full duplex user equipment (UE) may provide a channel state information (CSI) report to a base station to enable the base station to schedule simultaneous uplink and downlink communications for the full duplex UE. For example, the base station may transmit a CSI report configuration to the UE that indicates for the UE to report a full duplex CSI. In some cases, the CSI report configuration may include the UE to report CSI under a full duplex mode with or without an indication of an uplink bandwidth. Accordingly, the UE may calculate and report the self-full duplex mode CSI to the base station according to the received configuration. The base station may then determine a radio resource allocation and transport format for downlink data transfer and for uplink data transfer under the full duplex mode.