134results about "Link quality based transmission modification" patented technology

The invention relates to the technical field of Internet of Things electric power communication, and discloses a remote software upgrading method and system based on an HPLC high-speed power line carrier network. The remote software upgrading method is applied to software upgrading equipment, and specifically comprises the following steps that S101, a master control node of software to be upgraded is obtained, the master control node completes encryption of an upgrading instruction packet through HPLC network broadcasting, if the master control node is in an offline state, a response is triggered through a wake-up pulse signal synchronized with a power line power frequency period, and if the master control node is not in the offline state, the software to be upgraded is upgraded; and it is ensured that the whole network nodes complete instruction synchronization within the preset time. Omnibearing upgrading and optimization are achieved through three core technologies of dynamic fragmentation transmission, millisecond-level service continuity guarantee and resource limit adaptation, the packet loss rate of a high-noise environment is compressed to 0.1% based on a signal-to-noise ratio self-adaptive fragmentation strategy (128KB-512KB), the average transmission time is reduced to 17.4 minutes from 30 minutes in combination with a multi-path concurrent transmission and breakpoint resume protocol, and the transmission efficiency is improved. And 300ms whole-network instruction synchronization is realized with the assistance of a power frequency synchronization wake-up mechanism.

The invention provides a UCIe-based data transmission method, a storage medium and an artificial intelligence chip. The data transmission method comprises the following steps: communicating with a second core particle through a first core particle; receiving a bypass receive data signal and a bypass receive clock signal from the transmit module of the first core particle through the receive module of the second core particle; the serial-to-parallel conversion module is used for transmitting the bypass receiving data signal and the bypass receiving clock signal to the second core particle through the receiving module; counting the bypass receiving clock signal through a serial-to-parallel conversion module to obtain a bypass receiving frame count value, and sampling a bypass receiving data signal according to the bypass receiving frame count value; a serial-to-parallel conversion module decides to count a bypass burr removal count value according to a bypass burr removal counter starting signal; and when the bypass glitch removal count value is equal to the bypass glitch removal counter threshold value, resetting the bypass receiving frame count value through the serial-to-parallel conversion module. According to the invention, good data transmission quality among the core particles can be realized.

The invention provides a UCIe-based data transmission method, a storage medium and an artificial intelligence chip. The data transmission method of the present disclosure comprises the steps of: communicating with a second core particle through a first core particle; pre-sampling a plurality of previous valid frame signals by a second core particle; transmitting the current effective frame signal and the data signal to a second core grain through the first core grain; judging error bit positions of a plurality of previous effective frame signals through a second core grain; generating a detection signal according to the error bit position through the second core particle; and determining whether to write the data signal into a receiving cache module of the second core grain according to the detection signal through the second core grain. According to the UCIe-based data transmission method, the storage medium and the artificial intelligence chip, good data transmission quality can be provided.

The invention relates to the technical field of data transmission processing, and provides an unmanned aerial vehicle communication-assisted ecological monitoring data transmission system and method, and the method comprises the steps: obtaining the ecological monitoring state parameters of an unmanned aerial vehicle; calculating an ecological monitoring obstruction coefficient and a dynamic disturbance coefficient of the unmanned aerial vehicle; calculating unmanned aerial vehicle cooperative interference loss weights, obtaining an ecological monitoring unmanned aerial vehicle transmission topological graph by using the unmanned aerial vehicle cooperative interference loss weights, recording unmanned aerial vehicle cooperative interference loss weight values with a preset time slot length as a cooperative interference loss weight sequence, calculating an adaptive interval adjustment length, and calculating a node screening threshold value; acquiring an ecological monitoring transmission bearing topological graph; and calculating a Gray code adaptive bit variation value of the ecological monitoring unmanned aerial vehicle, and performing transmission adjustment on transmission data of the ecological monitoring unmanned aerial vehicle by using the Gray code adaptive bit variation value of the ecological monitoring unmanned aerial vehicle. The reliability of the ecological monitoring unmanned aerial vehicle in the data transmission process is ensured.

The invention provides a connection method and system for a vehicle-mounted central control screen and a central control box, and is applied to the field of communication data processing. Interference in a complex electromagnetic environment of a vehicle is effectively dealt with through intelligent monitoring and real-time adjustment of the data link between the vehicle-mounted central control screen and the central control box, and interference signals and parameters which may affect the performance of the central control screen can be timely identified by real-time detection and judgment of whether the data link is overtime and acquisition of electromagnetic interference source information. Sensing data is associated with state data of the central control screen, electromagnetic interference trend can be accurately generated, so that whether interference of the same electromagnetic wave form exists or not is analyzed, and the process helps a system to accurately position an interference source, take targeted measures, dynamically adjust a signal transmission mode and improve signal transmission efficiency. The occurrence probability of image dithering, touch control failure and signal loss is reduced, the stability and reliability of the vehicle-mounted central control screen are improved, and it is ensured that high-quality user experience can still be provided in a complex electromagnetic environment.

The invention relates to the technical field of voice transmission, in particular to a voice data transmission method and system based on a cloud platform, and the method comprises the steps: calculating the semantic importance of each time frame in voice data of a speaking node; after transmitting the voice data to each receiving node, calculating a semantic loss rate of first receiving data of each receiving node; and in response to the condition that the semantic loss rate of any receiving node is not greater than a loss rate threshold value, taking the first receiving data as final receiving data, otherwise, calculating retransmission priorities of other nodes, sequentially receiving the first receiving data of the other nodes according to a descending order of the retransmission priorities, and obtaining fusion data until the final receiving data is obtained. And completing data transmission. According to the technical scheme, semantic loss of the voice data in the transmission process can be avoided.

The present application relates to the technical field of power communication of Internet of Things, and discloses a remote software upgrading method and system based on HPLC high-speed power line carrier network; the remote software upgrading method is applied to a software upgrading device and specifically comprises the following steps: S101: obtaining a master node of software to be upgraded; the master node completes an encrypted upgrading instruction package through HPLC network broadcasting; if the master node is in an offline state, a response is triggered through a power line power frequency cycle synchronization wake-up pulse signal to ensure that all network nodes complete instruction synchronization within a preset time. The present application realizes all-around upgrading optimization through three core technologies of dynamic fragmentation transmission, millisecond-level service continuity guarantee and resource limit adaptation; an adaptive fragmentation strategy (128KB-512KB) based on a signal-to-noise ratio compresses a packet loss rate in a high-noise environment to 0.1%; combined with multi-path concurrent transmission and a breakpoint resume protocol, average transmission time is reduced from 30 minutes to 17.4 minutes; and a power frequency synchronization wake-up mechanism is used to realize 300ms network-wide instruction synchronization.

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.

A device for avoiding interference. The device comprising: at least one transceiver; at least one memory; and at least one processor, in signal communication with the at least one transceiver, and the at least one memory, the at least one processor configured to: transmit, with the at least one transceiver, a ranging control message (RCM) to schedule a ranging session with a second device, where the ranging session includes a plurality of consecutive ranging blocks, each ranging block includes a plurality of ranging rounds, each ranging round includes a plurality of ranging slots, and the schedule includes a channel hopping pattern for the plurality of ranging slots; transmit a ranging initiation message (RIM) on a first ranging slot; and retransmit the RIM on a second ranging slot, different from the first ranging slot, baes on the channel hopping pattern.

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.

Described herein are systems, devices, and methods for establishing a wireless link between two or more wireless devices. In some variations, a wireless system may comprise a first device configured to transmit a feedback signal. The system may also comprise a second device comprising a transducer array, a processor, and a supply. The transducer array may be configured to receive the feedback signal on one or more transducer elements of the transducer array. The supply may comprise one or more predetermined transmit voltage levels. The processor may be configured to process the feedback signal received by one or more transducer elements of the transducer array to generate feedback signal data. The processor may be further configured to determine a transducer array configuration based at least in part on the feedback signal data and the one or more predetermined transmit voltage levels. The second device may be configured to exchange one or more wireless signals with the first device using the transducer array configuration.

This application relates to a communication method and apparatus. A target network device sends first information to a source network device, to indicate a receiving status of a data packet. The target network device receives a first data packet from the source network device, where the first data packet is a data packet of a remote device, and the first data packet is determined based on the first information. The remote device is connected to the source network device through a first relay device before transmission path switching, and is connected to the target network device after transmission path switching. For example, there are one or more first data packets, and the first data packet may include a data packet that fails to be received by the remote device. In this way, the target network device may send, to the remote device, the data packet that fails to be received by the remote device, to reduce a packet loss rate.

The present invention provides a method and system for facilitating improved downlink MIMO sector throughput in the presence of UE DC-offset. The system receives BLER from a plurality of UEs and tracks by L1 computing the DL BLER in a UE; checks if the BLER from the UE allocated with an RB containing a DC subcarrier is above a target BLER and if so the L1 increases the power of the RE containing the DC-subcarrier in steps of 3dB. If the BLER improves in the UE, the L1 stops further increase of power on the DC subcarrier RE. The L1 maintains the improved UE / sector throughput and the subcarrier RE power. The system further supports a plurality of 5GNR UEs with different bandwidth wherein the DC-carrier of each UE can be worked out by the L2 by a set of predefined instructions.

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 is disclosed, comprising at least one processor, and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to define (301) different prioritized frequency layouts for uplink signal interference handling, verify (302) first radio conditions for enabling most appropriate uplink reference signal waveform emission, verify (303) second radio conditions for signalling lower allowed uplink power back-off and uplink maximum output power class boosting, and, based on the verifying, initiate (304) signalling to mitigate uplink signal interference by redirecting uplink service traffic to a most appropriate prioritized frequency layout.

A wireless communication method for transmitting wireless signals from a transmitter includes receiving information bits for transmission, segmenting the information bits into a stream of segments, applying a corresponding forward error correction (FEC) code and an interleaver to each of the stream of segments and combining outputs of the interleaving to generate a stream of symbols, processing the stream of symbols to generate a waveform, and transmitting the waveform over a communication medium.

A method, performed by a first network node (111), for handling scheduling of information. The first network node (111) operates in a wireless communications network (100). The first network node (111) determines (402) the scheduling of the information for transmission or reception by a second network node (112) operating in the wireless communications network (100) in a set of time and frequency resources. The determining (402) is based on minimizing interference between the transmission and reception of downlink (DL) information and uplink (UL) information based on one or more criteria. The first network node (111) then initiates (404) transmission or reception of the information according to the determined scheduling.

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.

In example implementations, methods for selecting a network connection for paired endpoint devices and an apparatus for performing the same is provided. The method includes establishing a connection to a mobile endpoint device. A first quality score associated with a wireless connection of the mobile endpoint device is calculated based on a parameter associated with the wireless connection between the mobile endpoint device and a wireless network. A network selection is made based on a comparison of the first quality score and a second quality score. The second quality score is associated with a connection between the computer and a communication network.

Methods, systems, and devices for wireless communication are described. The wireless device may generate a first set of shaped symbols using a first distribution matcher corresponding to a first frequency sub-band, and generate a second set of shaped symbols using a second distribution matcher corresponding to a second frequency sub-band. The wireless device may segment the first set of shaped symbols into a first set of sub-blocks, and may segment the second set of shaped symbols into a second set of sub-blocks. The wireless device may cascade one or more sub-blocks from the first set of sub-blocks with one or more sub-blocks from the second set of sub-blocks. The wireless device may map a set of cascaded shaped symbols to a set of resources according to an ordering of frequency first and time second. The wireless device may transmit the set of cascaded shaped symbols via the set of resources based on the mapping.

A method performed by a terminal in a wireless communication system is disclosed. According to an embodiment, the method comprises: receiving, from a base station, a first downlink control information, DCI, format for scheduling a single physical downlink shared channel, PDSCH, and a second DCI format for scheduling multiple PDSCHs; determining a first hybrid automatic repeat request acknowledgement, HARQ-ACK, codebook for the single PDSCH and a second HARQ-ACK codebook for the multiple PDSCHs; and transmitting, to the base station, the first HARQ-ACK codebook and the second HARQ-ACK codebook.

This application relates to a communication method and apparatus. The target network device transmits first information to the source network device to indicate the reception status of data packets. The target network device receives a first data packet from the source network device, the first data packet being a data packet of a remote device, and the first data packet is determined based on the first information. The remote device is connected to the source network device via a first relay device before the transmission path is switched, and is connected to the target network device after the transmission path is switched. For example, there are one or more first data packets, and the first data packet may include a data packet that has failed to be received by the remote device. In this way, the target network device may transmit to the remote device a data packet that has failed to be received by the remote device in order to reduce the packet loss rate.

Described herein are systems, devices, and methods for establishing a wireless link between two or more wireless devices. In some variations, the wireless system may include a first device configured to transmit a feedback signal. The system may also include a second device including a transducer array, a processor, and a power source. The transducer array may be configured to receive a feedback signal on one or more transducer elements of the transducer array. The power source may include one or more predetermined transmit voltage levels. The processor may be configured to process the feedback signal received by the one or more transducer elements of the transducer array to generate feedback signal data. The processor may be further configured to determine a transducer array configuration based at least in part on the feedback signal data and the one or more predetermined transmit voltage levels. The second device may be configured to exchange one or more wireless signals with the first device using the transducer array configuration.

Systems, devices, and methods for establishing a wireless link between two or more wireless devices are described herein. In some variations, a wireless system may include a first device configured to transmit a feedback signal. The system may also include a second device including a transducer array, a processor, and a supply device. The transducer array may be configured to receive a feedback signal on one or more transducer elements of the transducer array. The supply device includes one or more predetermined transmit voltage levels. The processor may be configured to process feedback signals received by one or more transducer elements of the transducer array to generate feedback signal data. The processor may be further configured to determine a transducer array configuration based at least in part on the feedback signal data and one or more predetermined transmit voltage levels. The second device is configured to exchange one or more wireless signals with the first device using a transducer array configuration.

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.

Device comprising: a quadrature demodulator configured to receive an input signal, a first reference signal, and a second reference signal in quadrature with the first reference signal, the quadrature demodulator further configured to produce a plurality of output signals from the input signal and the first and second reference signals, the plurality of output signals indicative of the amplitude and phase of the input signal; one or more inverting circuits, the inverting circuits having a first and a second programmable output polarity, the plurality of output signals being output by the quadrature demodulator when the inverting circuits are set to the first programmable output polarity, the plurality of output signals being inverted and output by the quadrature demodulator when the inverting circuits are set to the second programmable output polarity, and a controller (508) coupled to the quadrature demodulator, the controller (508) being configured to determine the amplitude and phase of the input signal according to the plurality of output signals, the one or more inverting circuits being configured to be coupled to the controller (508), the controller (508) further being configured to set the inverting circuits to the first programmable output polarity while determining first values ​​of the plurality of output signals, set the inverting circuits to the second programmable output polarity while determining second values ​​of the plurality of output signals, and determine one or more error values ​​from the first and second values ​​of the plurality of output signals, the controller (508) further being configured toto determine the error values ​​by subtracting the first values ​​of the plurality of output signals from the second values ​​of the plurality of output signals, wherein determining comprises subtracting the second values ​​of the plurality of output signals from respective ones of the first values ​​of the plurality of output signals to produce the one or more error values.

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.