294results about "Transmitter specific arrangements" patented technology

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 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.

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 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.

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.

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.

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

The invention relates to an auxiliary information reporting method and system, a terminal and a computer readable storage medium. The auxiliary information reporting method comprises the steps that auxiliary information is reported to network side equipment based on a control element MAC-CE of a media access control layer, the auxiliary information is used for reference of uplink waveform switching of the network side equipment, and the auxiliary information comprises power related information. The terminal disclosed by the invention can report the terminal auxiliary information to the network in real time, so that the network equipment correctly schedules the waveform of the PUSCH, thereby ensuring the uplink transmission performance and improving the network coverage capability.

Embodiments of the present disclosure provide a communication method, a communication device, a computer-readable storage medium, and a computer program product. The communication method includes: A network device sends downlink control information to a terminal device, where the downlink control information indicates an identifier of a hybrid automatic repeat request (HARQ) process, and the identifier of the HARQ process is associated with a physical downlink shared channel (PDSCH); the network device sends the PDSCH to the terminal device; the network device receives indication information from the terminal device, where the indication information indicates a receiving status level of the terminal device for the PDSCH; and the network device determines, based on the indication information, a receiving status of the terminal device for the PDSCH. In this manner, the network device can quickly respond to real-time channel and interference changes.

A communication method and apparatus, which are used for improving the accuracy of the transmission of uplink data modulated on the basis of an OCC. The method comprises: a terminal device determining a TBS, wherein the TBS is related to the length of a first sequence; on the basis of the TBS, determining a transfer block; and then transmitting uplink data, wherein the uplink data is determined on the basis of the transfer block, and the uplink data is obtained by means of modulation performed on the basis of the first sequence. In this way, a TBS conforming to a PUSCH transmission scenario in which modulation is performed on the basis of a first sequence (e.g. an OCC sequence) can be obtained, and thus the accuracy of the transmission of uplink data modulated on the basis of a first sequence is improved, the data received power is improved and the coverage is improved.

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

There is provided an apparatus, method and computer program for causing an apparatus of a terminal to perform: receiving information for configuring a first machine learning model from a network node, the first machine learning model being configured to decode received downlink control information, DCI, message(s) to obtain decoded primary cell DCI message(s); receiving information for configuring a second machine learning model from the network node, the second machine learning model being configured to decode received DCI message(s) to obtain decoded secondary cell DCI message(s); receiving a common DCI message; using the first machine learning model to obtain a decoded primary cell DCI message by inputting the common DCI message into the first machine learning model; and using the second machine learning model to obtain a decoded secondary cell DCI message by inputting the common DCI message into the second machine learning model.

There is provided techniques for selecting transmission parameters for a user equipment. A method is performed by a network node. The method comprises receiving a channel quality report from a user equipment served by a communication network where a portion of PRBs is blocked with muting of DL control channels and reference signals. The channel quality report comprises a CQI value. The method comprises obtaining a compensated SINR value for the user equipment from the CQI value as compensated due to downgrade caused by the DL control channels and reference signals being muted. The CQI value is compensated as a function of how large the blocked portion of PRBs is. The method comprises selecting the transmission parameters for the user equipment as a function of the compensated SINR value.

There is provided a method, computer program, and apparatus for causing a network access node to perform: calculating a first offset value based on first acknowledgment and negative acknowledgement information for signals received during subband full duplex, SBFD, slots; calculating a second offset value based on second acknowledgement and negative acknowledgment information for signals received during uplink-only slots or during downlink-only slots; and using the first and second offset values to determine respective first and second modulation and coding schemes, MCS, to be used for transmissions made in a subband full duplex, SBFD, slots and either uplink-only slots or downlink-only slots.

In the method, apparatus, device, and storage medium for processing CSI according to the present disclosure, when a terminal receives a CSI feedback instruction from a network device, the terminal sends first feedback information to the network device, thereby informing the network device of a current CSI feedback situation through the first feedback information, and the network device obtains CSI using a differentiation method based on the first feedback information, further improving the reliability of the CSI feedback and ensuring the transmission performance of the system.

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

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

Embodiments of the present disclosure relate to a full duplex scheme for asymmetric communication links using zero disparity modulation. An Ethernet physical layer (PHY) device for use in an automotive network includes a cable interface, a transmitter, and a receiver. The cable interface is configured to connect to an Ethernet cable. The transmitter is configured to generate an outbound signal by modulating outbound data with zero disparity modulation at a first data rate, and to transmit the outbound signal to the Ethernet cable via the cable interface. The receiver is configured to receive an inbound signal having a second data rate from the Ethernet cable via the cable interface, the second data rate being lower than the first data rate, the inbound signal at least partially overlapping the outbound signal in spectrum, and to demodulate the inbound signal to produce inbound data.

The invention discloses an information transmission method and device based on adaptive coding. The method comprises the following steps: generating a detection information sequence; sending the detection information sequence to a receiving end from a sending end through a transmission channel, and receiving the detection information sequence by the receiving end to obtain a received information sequence; performing feature estimation processing on the detection information sequence and the receiving information sequence to obtain a channel estimation matrix, channel time-varying feature information and dimension information; and performing information transmission processing on sent information by using the channel estimation matrix, the channel time-varying feature information and the dimension information. According to the invention, for multiple types of wireless communication scenes with complex time varying, high-reliability data communication is realized.

This electronic device comprises one or more processors comprising processing circuitry and a memory storing instructions. The instructions, when executed individually or collectively by the one or more processors, cause the electronic device to perform the operations of: transmitting a plurality of uplink data packets encoded by a codec on the basis of a first bit rate, during a first time duration; identify the number of first retransmission uplink data packets having a first retransmission count, which is greater than or equal to a first retransmission threshold value, from among the plurality of first uplink data packets; and adjust a bit rate of the codec from the first bit rate to a second bit rate, on the basis of the number of first retransmission uplink data packets.

The present application relates to the technical field of communications, and discloses a signal transmission method and apparatus, and a device. The signal transmission method in the embodiments of the present application comprises: a first device generates a target signal on the basis of a bit sequence corresponding to a target information bit group, wherein the target signal is used for transmitting data and is a signal corresponding to a redundancy version, the target information bit group is all or some of N information bit groups obtained by grouping an information bit set, and the N information bit groups are respectively encoded by using N code rates, N being an integer greater than 1; and the first device sends the target signal.

A method of performing device-to-device (D2D) communication by a first device includes obtaining at least one measurement value corresponding to a relative velocity between the first device and a second device; adjusting at least one transmission parameter based on the at least one measurement value; providing the adjusted at least one transmission parameter to the second device; and transmitting data to the second device based on the adjusted at least one transmission parameter.

The present application relates to the technical field of communications. Disclosed are a data transmission method and a communication apparatus, which can reduce a symbol error rate in a data transmission process when signal dependent noise is considered to be used for designing a sending filter sequence. The method comprises: receiving first information, wherein the first information is used for indicating at least one of the intensity of signal dependent noise measured by a receiving end, and the ratio of the intensity of the signal dependent noise measured by the receiving end to the intensity of signal independent noise; and sending first data, wherein the first data is data formed by means of shaping a sending pulse forming waveform by a sending end, and the sending pulse forming waveform is determined on the basis of the first information. The embodiments of the present application are used for taking into consideration the impact of signal dependent noise on a sending filter sequence and a receiving filter sequence.

This application discloses a joint source-channel encoding method and an information exchange method that are used during wireless data transmission. In the method, through information exchange between an access network, a core network, and a server, the access network can perform joint source-channel encoding on service data, and the access network can further jointly optimize a source-channel encoding parameter with reference to a channel condition, to adapt to different channel conditions of a terminal in real time, so that transmission efficiency of data during wireless transmission is high.

The application discloses a kind of two-way authentication and dynamic packet format transmission method and system based on preset domain: data exchange transceiver subsystem initiates to establish data transmission channel request;Data exchange transceiver subsystem obtains noise data from gate guard type gateway device;Data exchange transceiver subsystem calculates the hash value of noise data, obtains data transmission strategy hash value in preset domain with low 8bit as address, and sends gate guard type gateway device;Gate guard type gateway device calculates the hash value of noise data, obtains data transmission strategy hash value in local preset domain with low 8bit as address;Gate guard type gateway device compares two hash values, if consistent, establishes data transmission channel, otherwise, does not establish data transmission channel;System includes data sending PC end and data receiving PC end with built-in data exchange transceiver subsystem and gate guard type gateway device, and data transmission channel is established between the three according to the above method.

The invention discloses a communication method and device, access network equipment, a terminal and a storage medium, and relates to the technical field of communication. The implementation scheme is as follows: an access network device determines the transmission direction of service data of a terminal at a target moment, and executes a message configuration process according to the transmission direction to obtain an indication message matched with the transmission direction; sending an indication message to the terminal; wherein the indication message is used for indicating the terminal to carry out DCI blind detection in the transmission direction on the PDCCH of the auxiliary carrier. Therefore, when the access network equipment judges the transmission direction of the service data of the terminal, the access network equipment indicates to the terminal that only DCI blind detection in the transmission direction is performed on the PDCCH of the auxiliary carrier instead of DCI blind detection in another direction or other directions, so that the number of times of DCI blind detection by the terminal can be reduced, and the purposes of saving power of the terminal and reducing data processing time delay are achieved.

The application discloses an information transmission method and device based on adaptive coding, and the method comprises the following steps: generating a probe information sequence; sending the probe information sequence from a sending end to a receiving end through a transmission channel; receiving a receiving information sequence by the receiving end; performing feature estimation processing on the probe information sequence and the receiving information sequence to obtain a channel estimation matrix, channel time-varying feature information and dimension information; and performing information transmission processing on the sending information by using the channel estimation matrix, the channel time-varying feature information and the dimension information. The application realizes high-reliable data communication in complex time-varying multi-type wireless communication scenes.

This application discloses a communication method and apparatus, and relates to the communication field, to resolve a problem of how to flexibly configure a DMRS pattern. The method includes: determining, by a terminal device, at least one parameter based on first MCS information after receiving the first MCS information, where the at least one parameter is used to indicate a first reference signal pattern, so that the terminal device sends an uplink reference signal based on the first reference signal pattern; and determining, by a network device, the at least one parameter based on the first MCS information, where the at least one parameter is used to indicate the first reference signal pattern, so that the network device receives the uplink reference signal based on the first reference signal pattern.