39results about "Link quality based transmission modification" patented technology

The invention provides a data link multi-dimensional domain signal communication method, which comprises the steps of performing cross-domain association deconstruction on a data link space-time-frequency multi-dimensional signal and error feature data in an electromagnetic environment to obtain a space-time-frequency domain original feature set, and synchronously integrating signal propagation feature data and error source attribute data to generate a multi-source association data cluster, a space-time frequency multi-dimensional fusion feature topology is generated; a multi-dimensional domain collaborative error-resistant model is constructed based on space-time-frequency multi-dimensional fusion feature topology, dynamic weight distribution and error suppression strategy iterative optimization are performed on space-time-frequency domain error-resistant weight parameters and error suppression strategy parameters in combination with a space-time-frequency domain resource adaptation rule, and a multi-dimensional domain error-resistant regulation and control instruction is generated; and performing space-time-frequency collaborative optimization processing on a data chain transmission signal according to the multi-dimensional domain error-resistant regulation and control instruction to obtain an error-resistant optimization signal, synchronously acquiring transmission quality data of a link feedback signal, and performing reverse fine tuning on a multi-dimensional domain error-resistant regulation and control instruction parameter through a deviation between the transmission quality data and a preset quality threshold value.

A device may one or more memories, individually or in combination, having instructions. A device may one or more processors, individually or in combination, configured to execute the instructions and cause the apparatus to: receive a sampled reference signal; and transmit an indication of a communication scheme selected from a plurality of communication schemes based at least in part on the sampled reference signal.

The invention provides a semantic communication method and system based on multi-modal perception, and the method comprises the steps: obtaining multi-modal information, carrying out the semantic extraction of the multi-modal information, and generating a corresponding current semantic representation; performing semantic association on the current semantic representation and historical semantic information to obtain context enhanced semantic information; determining a semantic difference degree or a semantic change trend between the current semantic representation and historical semantic information based on the context enhanced semantic information to generate a key frame semantic description; semantic processing and semantic completion are carried out on the semantic description of the key frame; and according to a set context constraint condition, performing conditional semantic restoration on the complemented semantic description of the key frame by using a multi-modal model, and outputting auxiliary decision information or prompt information based on a restoration result. According to the method, the multi-modal data transmission bandwidth requirement is reduced, and meanwhile, the robustness and continuity of semantic communication in a complex channel environment are improved.

This application provides a signal communication method for a multi-dimensional domain of a data link, comprising: performing cross-domain correlation deconstruction on the data link's spatiotemporal-frequency multi-dimensional signal and error feature data under an electromagnetic environment to obtain the original spatiotemporal-frequency domain feature set; simultaneously integrating signal propagation characteristic data and error source attribute data to generate a multi-source correlation data cluster to generate a spatiotemporal-frequency multi-dimensional fused feature topology; constructing a multi-dimensional domain collaborative error-resistant model based on the spatiotemporal-frequency multi-dimensional fused feature topology; and performing dynamic weight allocation and error suppression strategy iterative optimization on the spatiotemporal-frequency domain error-resistant weight parameters and error suppression strategy parameters in conjunction with spatiotemporal-frequency domain resource adaptation rules to generate a multi-dimensional domain error-resistant control command; performing spatiotemporal-frequency collaborative optimization processing on the data link transmission signal according to the multi-dimensional domain error-resistant control command to obtain an error-resistant optimized signal; simultaneously collecting transmission quality data of the link feedback signal; and fine-tuning the multi-dimensional domain error-resistant control command parameters in reverse by the deviation between the transmission quality data and a preset quality threshold.

Arrangements are described for: receiving an analog-to-digital converter, ADC, capability report from a receiver of a mobile communication system at a transmitter of the mobile communication system, wherein the ADC capability report provides information relating to characteristics of an ADC of the receiver; setting a transmission constellation for said transmitter based, at least in part, on at least one of characteristics of a digital-to-analog converter DAC of the transmitter and / or the characteristics of the ADC received in the ADC capability report; and modulating a signal for transmission to the receiver based, at least in part, on the transmission constellation.

An apparatus includes a receiver configured to receive data, and circuitry configured to receive one or more symbols based at least on the data, determine, using the one or more symbols, an error vector magnitude (EVM) value, identify a quadrature amplitude modulation (QAM) size, determine, using the EVM value and the QAM size, a signal-to-noise (SNR) value, and adjust, based at least on the SNR value, a transmission rate of a transmitter.

According to an embodiment, an electronic device (101, 300) includes a communication circuit (190) and at least one processor (120) connected to the communication circuit (190). The at least one processor (120) may control to broadcast an advertising message including information about a bitrate used to transmit broadcast isochronous stream, BIS, data. The at least one processor (120) may control to broadcast, in a first ISO interval, one or more first BIS data of a first attribute. The at least one processor (120) may control to broadcast, in the first ISO interval, one or more second BIS data of a second attribute.

A device configured for wireless communication in a wireless communication network is configured for a signal processing, SP, for the wireless communication, the SP comprising at least one process. In a first operation mode of the device, the SP is adapted to a first configuration of the SP; and in a second operation mode of the device, the SP is adapted to a second configuration of the SP. The second configuration differs from the first configuration by at least one of: a number of processes executed for the SP; an interconnection between processes of the SP; a substitution of a process of the first configuration by a different process operated in the second configuration; a configuration of the at least one process, the configuration adapted based on adaptation information received after having started the first operation mode and prior to start the second operation mode; and a configuration of the at least one process, the configuration adapted based on a fallback configuration to compensate for an error in the first configuration.

Mobile Communication System Arrangements are described for: receiving an analog-to-digital converter, ADC, capability report from a receiver of a mobile communication system at a transmitter of the mo

The invention relates to a system and method for estimating signal-to-noise ratio (SNR) and noise variance from error vector magnitude (EVM). In one embodiment, an apparatus includes a receiver configured to receive data; and circuitry configured to receive one or more symbols based at least on the data, determine an error vector magnitude (EVM) value using the one or more symbols, identify a quadrature amplitude modulation (QAM) size, determine a signal-to-noise ratio (SNR) value using the EVM value and the QAM size, and adjust a transmission rate of a transmitter based at least on the SNR value.

The present application relates to the technical field of image data transmission, in particular to a kind of intelligent laser obstacle clearing instrument remote monitoring system, laser radar depth and pixel data are collected and generate obstacle space positioning set, according to depth difference generation monitoring picture partition mark chart, set difference compression ratio and generate partition encoding transmission package, monitor transmission performance and correct generation encoding data package, fusion obstacle information synthesis remote monitoring picture data package.The present application, fusion laser radar, depth sensor and camera data, generate obstacle space positioning set under unified coordinate, realize the accurate acquisition of position and form, divide area by depth difference, detail area low compression ratio coding, ordinary area high compression ratio coding, reduce redundant transmission and improve efficiency, combined with link real-time adjustment to cope with delay packet loss and distortion, ensure image stability and quality, in remote monitoring fusion obstacle information and image, realize state accurate display, improve system responsiveness and reliability.

Embodiments of the present invention provide an uplink control information sending method, an uplink control information receiving method, an apparatus, and a system. The method includes: receiving, by a terminal device, channel indication information from an access network device on a physical control channel; determining the channel resource set that is of N channel resource sets and that matches a type or a size of the UCI as a first channel resource set; determining a channel resource that is in the first channel resource set and that is indicated by the channel indication information; and sending uplink control information UCI to the access network device on the channel resource. A quantity of bits that need to be added to the channel indication information in the embodiments of the present invention is less than that in the prior art, reducing consumption of downlink channel resources by the channel indication information in a delivery process.

The application discloses a kind of based on long-distance communication's agricultural machine operation data low latency update method and device, belong to wisdom agriculture and agricultural informatization field.The method is in view of traditional cycle polling and cloud centralization scheme exists's high update delay, data is not consecutive etc., constructs " hierarchical transmission-prediction compensation-GPU collaborative rendering " three-level acceleration framework: first, according to delay sensitivity, data is divided into safety alarm, real-time operation, agricultural machinery state three levels and is endowed with dynamic priority;Then, according to network bandwidth, priority weight is adjusted in real time and bandwidth is adaptively distributed, to ensure that key data is sent first;Client triggers agricultural machine motion model prediction compensation through 200ms heartbeat monitoring, and after transmission recovery, the latest observation is used to correct historical trajectory in reverse smoothing;Finally, on the GPU side, quadtree blocking and heading preloading strategy are used to realize the rapid rendering of map engine.

A redundancy of communication in a communication system can be appropriately set. A configuration is provided in which in a server for setting a redundancy for a communication system allowing communication via a network according to a set redundancy, a processor is provided, and the processor is configured to receive, from an application, a use-predicted communication bandwidth which is a communication bandwidth predicted to be used in the network, determine a redundancy limit which is an upper limit of a redundancy in communication by the application based on a communication bandwidth usable in the network and the use-predicted communication bandwidth, and set, in the communication system, a redundancy equal to or less than the determined redundancy limit as the redundancy in the communication by the application.

An apparatus includes a receiver configured to receive data, and circuitry configured to receive one or more symbols based at least on the data, determine, using the one or more symbols, an error vector magnitude (EVM) value, identify a quadrature amplitude modulation (QAM) size, determine, using the EVM value and the QAM size, a signal-to-noise (SNR) value, and adjust, based at least on the SNR value, a transmission rate of a transmitter.

A device configured for wireless communication in a wireless communication network is configured for signal processing (SP) of wireless communication, the SP comprising at least one procedure. In a first mode of operation of the device, the SP is adapted to a first configuration of the SP; and in a second mode of operation of the device, the SP is adapted to a second configuration of the SP. The second configuration differs from the first configuration by at least one of: a number of processes performed for the SP; interconnection between processes of the SP; replacing the process of the first configuration with a different process operating in the second configuration; a configuration of the at least one process adapted based on adaptation information received after the first mode of operation has been started and before the second mode of operation has been started; and a configuration of the at least one process adapted based on the fallback configuration to compensate for errors in the first configuration.

The invention discloses a code rate adjusting method and system based on RTK differential data transmission, and belongs to the field of low-power-consumption wide area networks, and the method comprises the steps: setting a spreading factor of a LoRa-RTK communication radio station; acquiring receiving sensitivity and a code rate, and acquiring a first threshold value and a second threshold value of the receiving sensitivity based on the spreading factor; based on a first threshold value and a second threshold value, judging the receiving sensitivity and the code rate: if the receiving sensitivity is smaller than the first threshold value and the code rate is not equal to a preset default code rate value, increasing the code rate, and repeating the acquisition and judgment process until the receiving sensitivity is larger than the first threshold value and the code rate is not equal to the preset default code rate value; and if the receiving sensitivity is greater than a second threshold value and the code rate is not equal to a preset default code rate value, reducing the code rate, and repeating the acquisition and judgment process until the receiving sensitivity is less than the second threshold value and the code rate is not equal to the preset default code rate value. According to the method disclosed by the invention, the communication efficiency and reliability of the LoRa-RTK communication radio station can be effectively balanced.

The invention provides a method and a device for reducing an industrial data transmission point loss rate and electronic equipment, and the method comprises the steps: dividing collection data in a to-be-sent data packet into a plurality of data sections, carrying out the cyclic redundancy check calculation of original data of each data section, generating a corresponding section cyclic redundancy check code, and transmitting the corresponding section cyclic redundancy check code to a server; concentrating and adding the total cyclic redundancy check code to a continuous area behind the total cyclic redundancy check code in the data packet; performing overall cyclic redundancy check calculation on the original data part except the small-section cyclic redundancy check code to generate a total cyclic redundancy check code; after a receiving end receives a data packet, performing integrity check on the original data part according to the total cyclic redundancy check code, and after the check is passed, performing independent check on the original data of each data section and the cyclic redundancy check code of the corresponding section; and according to a section cyclic redundancy check result, selectively using the corresponding data section according to the section cyclic redundancy check code. According to the invention, the point loss rate is reduced, and the continuity of equipment state monitoring and the accuracy of data analysis are improved.

The application discloses a locomotive hard-wire reconnection signal safe transmission method, which firstly sets the correspondence between coding and signals in advance, the signals including reconnection control signals, check signals and check error signals; the locomotive transmits target signals through hard wires; when the target signal is a reconnection control signal, the transmission method acquires the to-be-sent state of the reconnection control signal and judges whether the reconnection control signal needs to be sent. The transmission method realizes that N reconnection hard wires can transmit 2 N signals under the premise that the number of hard wires is limited, wherein the reconnection control signals are 2 N -2 kinds, and the utilization rate of the reconnection hard wires is improved; the check signal and the check error signal are used to realize a check and error feedback mechanism, so that the signals of the master and slave locomotives are consistent; meanwhile, a signal sending mechanism is designed according to the to-be-sent state of the reconnection control signal, so that the signal sending is orderly performed. The application further discloses a locomotive hard-wire reconnection signal safe transmission system and a reconnection locomotive.

A device configured for wireless communication in a wireless communication network is configured for a signal processing, SP, for the wireless communication, the SP comprising at least one process. In a first operation mode of the device, the SP is adapted to a first configuration of the SP; and in a second operation mode of the device, the SP is adapted to a second configuration of the SP. The second configuration differs from the first configuration by at least one of: a number of processes executed for the SP; an interconnection between processes of the SP; a substitution of a process of the first configuration by a different process operated in the second configuration; a configuration of the at least one process.

Apparatuses, methods, and systems are disclosed for waveform indication using downlink control information ("DCI"). An apparatus (700) in a mobile communication network includes a processor (705) and a transceiver (725) that monitors (905) DCI outside of a discontinuous reception ("DRX") DRX active time, where the DCI contains a waveform indicator. The processor (705) determines (910) a waveform type for a next occurring DRX active time, and the transceiver (725) receives (915) a downlink transmission on a physical downlink channel during the next occurring DRX active time using the determined waveform.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter node may predict a future state associated with a wireless channel at a future time instance using a machine learning model, wherein the future state is predicted based at least in part on one or more of weights associated with the machine learning model, a current state associated with the wireless channel, or one or more previous states associated with the wireless channel. The transmitter node may select one or more parameters for a transmission to occur at the future time instance based at least in part on the future state associated with the wireless channel. The transmitter node may perform the transmission using the one or more parameters. Numerous other aspects are described.

This application provides a detection block sending and receiving method, and a network device and system. The detection block sending method includes: obtaining, by a network device, an original bit block data flow; generating at least one detection block, and inserting the at least one detection block into a position of at least one idle block in the original bit block data flow; and sending a bit block data flow including the at least one detection block. In this application, a bandwidth resource of an idle block in a bit block data flow is occupied for sending a detection block, thereby resolving a problem of a service bit block loss.

The embodiment of the invention discloses a processing system and method based on multi-terminal heterogeneous data. The system comprises a self-adaptive coding and decoding sub-module, a distributed current-limiting collaborative sub-module and a global collaborative scheduling module, wherein the self-adaptive coding and decoding sub-module selects an optimal coding and decoding algorithm based on multi-dimensional features of the multi-terminal heterogeneous data; the distributed current-limiting cooperation sub-module dynamically distributes a current-limiting threshold value of a distributed node based on the decoded data volume, the processing time consumption and the data priority; and the global collaborative scheduling module adjusts the coding and decoding parameters of the adaptive coding and decoding sub-module and the current limiting threshold of the distributed current limiting collaborative sub-module in real time. According to the invention, by constructing a dynamic cooperation mechanism of coding, decoding and current limiting, the problems of poor multi-terminal data adaptability, resource waste and current limiting misjudgment are solved, and the efficiency, the stability and the resource utilization rate of a data acquisition link are improved.

A method includes obtaining historical network performance data of each of data transmission objects, calculating, based on the historical network performance data, group network performance data of each of object groups, performing weighted calculation on the group network performance data of the object groups to obtain comprehensive network performance data of the data transmission objects, inputting the comprehensive network performance data and the group network performance data into a trained RL model to obtain a data transmission quality index of each object group, for each object group, determining a data transmission parameter of the object group based on the data transmission quality index and the group network performance data of the object group, and determining, in response to receiving a data transmission request transmitted by a target data transmission object, a target data transmission parameter based on a target object group to which the target data transmission object belongs.

Disclosed in the embodiments of the present disclosure are a transmission method and apparatus, and a device and a computer storage medium. The method comprises: mapping a first service into a first frame, wherein the first frame at least comprises a first overhead area; and multiplexing and / or mapping the first frame to a second frame, and sending the second frame.

The invention discloses an improved opportunistic network coding model for dynamically selecting coding, which is used for carrying out real-time channel evaluation and cache management improvement on opportunistic network coding, and selecting an optimal coding strategy according to evaluated channel state information and a cache state, so that the transmission performance in a complex multi-user and multi-relay environment is improved. Wherein channel quality during forwarding of different data packets is evaluated through channel gains, and corresponding appropriate data packets with high channel quality are selected to be transmitted to the next process; in the improvement of cache management, the data packet with the most potential stored in the cache is selected to be coded as the optimal coding strategy, and the coding strategy of the relay node is dynamically adjusted through real-time channel evaluation and cache management, so that the transmission efficiency in a complex wireless network environment is improved, the bit error rate is reduced, and the resource utilization rate is optimized.

An apparatus of a first communication node is provide that includes: means for synchronising a common reference timing with a second communication node; means for obtaining an indication of a time window that specifies a period of time between first and second time instances; and means for configuring a machine learning-based function at the first communication node, wherein the configuration of the machine learning-based function is common between the first and second communication nodes. The apparatus further includes means for executing the machine learning-based function; and means for obtaining information by measuring a performance metric, for the machine learning-based function, during the time window. The apparatus further includes means for assigning a time identification to the measured information during the time window, wherein the time identification is associated with the common reference timing; and means for providing, to the second communication node, the measured information according to the time identification.

The invention discloses an intelligent electric meter data transmission method based on carrier wave and wireless fusion and an intelligent electric meter, and relates to the technical field of intelligent electric meter communication, and the method comprises the following steps: a metering control unit extracts a voltage zero crossing point and calculates a power factor angle, and outputs a time anchor point and the power factor angle; the dual-mode communication baseband unit generates an HPLC pure sending mask and an HRF degradation sending mask according to the time anchor point and the power factor angle; the medium access control layer splits the service message into volume micro-frames according to the remaining time volume corresponding to the current activation mask; and the physical layer executes alternate activation of the HPLC power amplifier and the HRF power amplifier according to the mask switching boundary, and inserts physical discharge dead zone time. According to the scheme, the feedforward constraint of the strong current state on dual-mode communication scheduling is realized, and the consistency of the sending time sequence, the frame body length and the board level switching is enhanced. And the occurrence probability of medium switching oscillation, message border crossing and power amplifier switching mismatch is reduced.

A transmission system including a transmission device capable of transmitting a video signal, and a reception device capable of receiving the video signal transmitted by the transmission device, the transmission system includes: a processor connected to a memory; a video transmission circuit and a video reception circuit that transmit the video signal between the transmission device and the reception device; a transmission-side data transceiving circuit and a reception-side data transceiving circuit that transmit a data signal between the transmission device and the reception device, wherein the processor is configured to selectively execute a video signal transmission mode in which transmission of the video signal is performed and transmission of the data signal superimposed on the video signal is performed, and a data signal transmission exclusive mode in which transmission of the video signal is stopped and transmission of the data signal is performed.