569results about "Transmitter specific arrangements" patented technology

The present application relates to a method for verifying a Channel Quality Indicator (CQI) measurement performed by a first wireless device in a communication network. The communication network includes a Radio Access Network (RAN). The method includes: obtaining a first CQI measurement report including a first CQI measurement value of a measurement performed by the first wireless device on for a first downlink channel between a first RAN node and the first wireless device; identifying at least one neighbour wireless device to the first wireless device; obtaining at least one neighbour CQI measurement report from the at least one neighbour wireless device; aggregating the at least one neighbour CQI measurement report into a reference CQI measurement report set; and verifying the first CQI measurement value using the reference CQI measurement report set. The present application also relates to a verification node and a computer program product.

The present application belongs to the technical field of communications. Disclosed are a coding method and apparatus, a decoding method and apparatus, and a communication device. The coding method in the embodiments of the present application comprises: a first communication device respectively determining channel capacities of sub-channels corresponding to M bits of a first modulation symbol; the first communication device dividing the sub-channels corresponding to the M bits into T sub-channel groups according to the channel capacities of the sub-channels corresponding to the M bits; the first communication device dividing a codeword sequence having a length of N into T groups to obtain T codeword sub-sequences; the first communication device determining the reliability ranking among the T codeword sub-sequences according to column weights of the T codeword sub-sequences; and the first communication device respectively mapping bits of the T codeword sub-sequences onto the sub-channels of the T sub-channel groups according to the channel capacity ranking among the T sub-channel groups and the reliability ranking among the T codeword sub-sequences.

Signaling that indicates information associated with variable length source coding at a first communication device is communicated between a first communication device to a second communication device in a wireless communication network. Variable length source coded data to which channel coding has been applied is also transmitted by the first communication device to the second communication device, and received from the first communication device by the second communication device. This type of source coding approach may be particularly useful for low entropy signals.

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.

Certain aspects of the present disclosure provide techniques for simulating a receiver for link adaptation. A method for wireless communications by an apparatus includes obtaining, from an UE, parameters of a UE receiver; determining channel characteristics of a communication channel between the apparatus and the UE based on a measurement of a signal received from the UE; estimating a response of the UE receiver communicating on the communication channel having the channel characteristics based on a digital representation of the UE receiver, wherein the digital representation of the UE receiver is based on the parameters of the UE receiver; determining, based on the estimated response, at least one parameter for communication on the communication channel with the UE; sending, to the UE, an indication of the at least one parameter; and communicating with the UE in accordance with the at least one parameter.

The embodiment of the invention provides a communication method, which is applied to a wireless local area network system supporting an IEEE (Institute of Electrical and Electronic Engineers) 802.11 ax next generation Wi-Fi protocol, such as 802.11 be, Wi-Fi 7 or EHT, and then 802.11 series protocols such as 802.11 be next generation, Wi-Fi 8, UHR, Wi-Fi AI and the like, and can also be applied to a wireless personal local area network system and a sensing system based on UWB (Ultra Wideband). The method comprises the following steps: inputting a high-frequency constellation mapping symbol into a subcarrier mapper; and the subcarrier mapper is used for reordering the high-frequency constellation mapping symbols. For communication transmission in a high-frequency band scene, an appropriate subcarrier mapper can be designed, and constellation mapping symbols are reordered based on the subcarrier mapper.

The embodiment of the invention discloses a signal processing method and a related device. The signal processing method can be applied to a communication scene. A transmitting end adjusts a power spectrum of a to-be-transmitted signal according to a target frequency of interference or noise, specifically, the transmitting end flips polarities of partial symbols in the to-be-transmitted signal according to the target frequency, so that the power of the to-be-transmitted signal at the target frequency is suppressed, and the signal transmission efficiency is improved. And the influence of interference or noise in the channel on the transmission performance can be resisted. According to the invention, the transmitting end can flexibly adjust the power spectrum of the signal to be transmitted according to the frequency of the interference or noise in practice, so that the signal to be transmitted and the interference or noise are not overlapped in frequency, and the receiving end can effectively filter the interference noise and does not cause damage to the signal from the transmitting end. And the sending end also sends identification information to the receiving end, so that the receiving end carries out inverse transformation of power spectrum adjustment on the received signal according to the identification information, and an original signal before the sending end carries out the power spectrum adjustment is recovered and obtained.

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

A method performed by a client device is provided. The method includes obtaining, by a client device, data for transmission to a network server. The method includes determining, by the client device, a plurality of intermediate network nodes for transmission of the data, wherein the plurality of the intermediate network nodes are communicatively coupled to the network server. The method includes encoding, by the client device, the data using an encoding scheme. The method includes transmitting, by the client device and according to a data transmission scheme, a plurality of instances of the encoded data to the plurality of intermediate network nodes for aggregation by the intermediate network nodes with data received from one or more other client devices. Also provided are methods performed by an intermediate network node and a network server. The methods can be performed by one or more processors of an apparatus.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Methods and apparatus for predicting channel state information (CSI) feedback in a cellular system are provided. A method for a user equipment (UE) to report CSI includes receiving first information related to monitoring performance of a machine learning (ML) model for predicting CSI, second information related to transmitting a performance monitoring report, third information related to reception of a CSI reference signal (CSI-RS) for determining real CSI on a cell, and a CSI-RS based on the third information. The method further includes determining a true CSI based on the reception of the CSI-RS, and determining a performance monitoring report for the ML model based on the first information and the true CSI. The method also includes transmitting a channel with a performance monitoring report based on the second information.

A method of operating a user equipment (UE) and a base station in a wireless communication system and an apparatus supporting this are disclosed. The method of operating the UE may comprise encoding input data based on a neural network and transmitting the encoded input data to a base station. In this case, the neural network may be determined to be at least one of a real neural network or a complex neural network.

In one embodiment, a transmitter includes: a circuit to generate a packet having a preamble, a header, and a data portion, where the preamble and the header are dynamically adaptable based at least in part on a range between the transmitter and a receiver; and a radio frequency (RF) front end circuit coupled to the circuit to process and transmit the packet.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station and in a first slot, an indication of a signal to noise ratio (SNR) mode, of a plurality of SNR modes, to be used by the UE for one or more downlink communications in one or more slots that occur after the first slot, wherein different SNR modes of the plurality of SNR modes support at least one of different modulation and coding schemes, different ranks, or a combination thereof; and operate using the SNR mode in the one or more slots based at least in part on the indication. Numerous other aspects are provided.

This communication device is provided with: a control circuit for determining a read-out position of encoded data of a signal, in a first sector among a plurality of sectors in a time domain resource allocated to transmission of the signal, on the basis of a resource amount that does not depend on the result of a read-out of encoded data in a second sector before the first sector; and a transmission circuit for transmitting the signal on the basis of the read-out position.

A PSFCH sending method and an apparatus are provided, and relate to V2X, an intelligent vehicle, autonomous driving, an intelligent connected vehicle, and the like. The method may include: a first terminal apparatus receives first sidelink data from a second terminal apparatus, and determines, based on a transmission resource of the first sidelink data, a feedback resource used to send SFCI. The transmission resource of the first sidelink data and the feedback resource include N resource elements, and N is a positive integer. When X resource elements are required for sending first feedback information, and X is less than N, the first terminal apparatus sends at least one piece of SFCI to the second terminal apparatus on the feedback resource through at least one PSFCH. The SFCI includes the first feedback information, and the first feedback information indicates whether the first terminal apparatus correctly receives the first sidelink data.

The invention relates to the technical field of communication, and particularly provides a terminal signal, a signal processing method and device, a passive tag and a product. The terminal signal provided by the invention is obtained by encoding a first code element and a second code element; wherein the length of the first code element is the same as that of the second code element; the code pattern of the first code element is a full high level; the code pattern of the second code element comprises at least one low level and a plurality of high levels. The two code elements provided by the invention at least only comprise one low level, the proportion of the high level is higher, and the terminal signal provided by the invention can provide longer charging duration for the terminal under the condition of ensuring that the terminal receives the same signal, thereby effectively ensuring that the terminal can obtain enough working electric quantity.

The embodiment of the invention provides a data processing method and device and a storage medium, relates to the technical field of communication, and is used for ensuring the reliability of data transmission and reducing resource overhead. The method comprises the following steps: acquiring m first data packets, wherein m is a positive integer; k second data packets are determined according to the m first data packets, k is a positive integer, the value range of elements in the first generation matrix is [0, q-1], and q is a prime number or prime number power; the k second data packets are coded according to the first generation matrix, n first coded data packets are obtained, and n is a positive integer; and sending all the first coded data packets or part of the first coded data packets in the n first coded data packets to a second transmission node.

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.

A communication method and apparatus are provided. The method includes: A terminal device receives first indication information sent by a network device. The terminal device determines a target transmission mode of N TBs based on the first indication information, where the target transmission mode is a sequential transmission mode or an interleaved transmission mode. The terminal device receives the N TBs from the network device based on the target transmission mode. According to the method and the apparatus in this application, the terminal device can receive, based on different transmission modes, DCI and a plurality of TBs that are scheduled by using the DCI.

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 wireless communication device (10, 11) determines an idle bandwidth portion of a wireless channel. Further, the wireless communication device (10, 11) estimates one or more reception conditions at a further wireless communication device (10, 11). Using a transmission bandwidth in the idle bandwidth portion of the wireless channel, the wireless communication device (10, 11) sends a wireless data transmission to the further wireless communication device (10, 11). The transmission bandwidth of the wireless data transmission is selectively punctured based on the estimated one or more reception conditions.

Provided in the present application are a communication method and apparatus, and a computer-readable storage medium. The communication method can be applied to power line communication, and comprises: a sending end receiving the number of bearable bits of each carrier from a receiving end, wherein the number of bearable bits of each carrier is determined on the basis of a signal-to-noise ratio (SNR) corresponding to each carrier; on the basis of the number of bearable bits of each carrier, the sending end performing repeated carrier mapping on data included in a data frame; and the sending end sending the data frame to the receiving end, the data frame comprising indication information, wherein the indication information indicates that the current data frame uses a repeated carrier mapping method of a first mode. The technical solution provided in the present application can improve the system throughput rate.

The invention discloses a chirp interval modulation backscatter communication method and a chirp interval modulation backscatter communication system based on variable-length scrambling codes, which mainly solve the problems of high power consumption of backscatter labels and high system deployment cost in the prior art. According to the scheme, a sending end sends an environment LoRa signal; the backscattering label modulates information to be sent to an environment LoRa signal in a time interval modulation mode, and modulates a variable-length scrambling code to an anchor symbol; a receiving end performs frequency shift compensation on the backscattering signal by adopting a frequency shift compensation method, demodulates the backscattering signal by combining a sliding window with a variable-length scrambling code, intercepts a backscattering signal sample through the sliding window, and performs de-spreading and fast Fourier transform (FFT) on the signal in the window; the position of an anchor symbol is determined by detecting the maximum value of an FFT peak value, information sent by the backscattering label is recovered from the position of the anchor symbol, and data demodulation is completed. On the premise of keeping demodulation reliability, the power consumption of the tag is effectively reduced, the deployment cost of a backscatter communication system is reduced, and the method can be used for ultra-low power consumption Internet of Things communication.

The invention provides a data transmission method and system based on digital communication, and relates to the technical field of data transmission, the method comprises the following steps: a sending end packages to-be-transmitted data to form a data packet, and the sending end carries out format conversion and coding on the data packet; an intermediate node and a transmission link are selected according to a network topology structure, the performance of the intermediate node and the score of the transmission link, and the transmitting end transmits the data subjected to format conversion and coding to a receiving end through the intermediate node through the transmission link; the receiving end decodes and verifies the data packet after receiving the data packet, and stores and backs up the received data packet and the decoded and verified data packet; if verification fails, the receiving end requests the sending end to resend the data packet; by comprehensively considering the aspects of data encapsulation, format conversion, coding mode, routing selection, link optimization, data verification, retransmission mechanism and the like, it is ensured that data can be stably and efficiently transmitted in a complex and changeable network environment.

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 communication interface circuit includes a protocol layer circuit that generates 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 lane including a plurality of three-phase wire links based on the transmission state, wherein the physical layer circuit may include an encoder that calculates the transmission state based on a preceding state output from the encoder in a previous unit interval, a symbol mapped to the packet data, and a control code, and wherein the control code instructs an encoding change based on a coupling relationship of the plurality of three-phase wire links. The communication interface circuit stably transmits data.

The invention provides a semantic communication system and method and related equipment, and relates to the technical field of communication. The system comprises a transmitter used for calling a corresponding semantic encoder and a channel encoder for data to be transmitted in a target semantic communication scene to perform semantic encoding and channel encoding, and obtaining and sending encoded semantic information; the receiver is used for calling a corresponding channel decoder and a semantic decoder to carry out channel decoding and semantic decoding on the encoded semantic information to obtain recovery data, obtaining the semantic correct rate of the data to be transmitted according to the recovery data and the data to be transmitted, and sending the semantic correct rate to the receiver; and if the semantic correct rate of the to-be-transmitted data is lower than the semantic tolerance of the target semantic communication scene, retransmission indication information is generated and sent to indicate the transmitter to retransmit the to-be-transmitted data. Wherein the semantic tolerance is used for representing the lowest correct rate of the semantic index of the acceptable recovery data in the target semantic communication scene; the numerical value of the semantic index is semantic accuracy.

The invention provides a self-adaptive rate identification method for an SDH (Synchronous Digital Hierarchy) optical interface, which comprises the following steps of: setting a line rate equal to an optical interface rate at an optical transmitting end, using the same reference clock and the same data bit width for different interface rates, and then framing and scrambling; in an optical receiving end processing module, SDH code stream data is subjected to clock domain crossing processing, then cyclic sorting and frame header searching are carried out, the number of bytes is counted with a frame header searching success flag bit as a starting point, the number of bytes is used for judging the frame format of the SDH data code stream, then the line rate corresponding to the frame format is confirmed, and the optical interface rate is judged. According to the method, the optical interface rate, the line rate, the cross-clock processing, the local clock, the line clock and the frame format are subjected to association mapping at the optical transmitting end and the optical receiving end, four optical interface rates can be accurately identified at low cost by using one set of program, and the problems in the prior art are well solved.

An electronic device and a method of operating the electronic device are provided. The electronic device includes at least one processor configured to receive an input data and perform an encoding operation based on the input data to generate a first latent data, through a first neural network, perform an encoding operation based on the input data to generate a second latent data different from the first latent data, through a second neural network different from the first neural network, and generate an index data corresponding to one of the first latent data and the second latent data, and a communication device configured to transmit the index data and one of the first latent data and the second latent data corresponding to the index data to an external destination.