2042 results about "Transmission time" patented technology

The invention discloses a transformer area intelligent fusion terminal data processing system based on edge calculation, relates to the field of edge intelligence, and solves the problems of poor real-time performance and poor data exception processing accuracy of an existing intelligent fusion terminal data processing system. According to the method, communication between micro-services is efficiently managed through the container arrangement engine and the service grid, the message transmission delay is reduced, and resource allocation is further optimized through a resource scheduling algorithm based on reinforcement learning, so that system resources are used most reasonably; according to the method, anomaly detection is rapidly and accurately carried out through a space-time heterogeneous fusion network model, hierarchical processing of data and on-cloud training of the model are realized through a cloud-edge collaborative architecture, edge nodes participate in model training through a federated learning mechanism, the model performance is optimized, the transmission time of the data in the network is shortened, and the problem positioning speed is increased; the real-time performance and the reliability of an existing system are greatly improved.

The invention provides a time division duplex multi-carrier synchronous transmission method based on 5G, which is used for solving the problems of inflexible carrier time slot allocation and inaccurate time delay compensation in synchronous transmission. By dynamically adjusting time slot allocation and working frequency bands of carriers in a network control center, the method optimizes network loads and reduces cross interference; the time delay of each carrier is compensated in real time by adopting a synchronous signal calibration algorithm, so that strict alignment of transmission time slots is ensured; the transmitting end dynamically adjusts the transmitting power according to link state information, and the receiving end reduces interference and signal attenuation through a multi-carrier cooperative interference management and multi-path delay compensation mechanism; and a receiving end performs joint decoding based on channel estimation and integrates demodulation signals of all carriers, so that the transmission efficiency and the signal quality of the 5G network are improved. The method is suitable for a base station system and a base station and repeater extension coverage system, and is especially suitable for a distributed wireless system including an optical fiber remote distributed system, a cable remote frequency shift repeater system and the like.

The invention provides a bus network data transmission control method based on priority scheduling, which relates to the technical field of network data transmission, and comprises the following steps: dividing a bus network into an edge layer, a core layer and a terminal layer; the terminal layer comprises a plurality of actuator nodes; performing priority classification on the terminal data set in the edge layer; distributing a transmission time slot of priority rating data on the core layer based on a preemptive scheduling algorithm; a priority data transmission strategy is dynamically adjusted in combination with the dynamic time slot allocation table and the local load state; and when a plurality of actuator nodes initiate transmission requests at the same time, outputting a final transmission sequence according to a priority data transmission strategy. Through a static rule base and a dynamic correction mechanism, key data features are accurately identified, the real-time performance and reliability of high-priority data are ensured, and the key business delay risk is reduced. Intelligent allocation of bandwidth resources is achieved through a preemptive scheduling algorithm, real-time service requirements are guaranteed to the maximum extent, and the network throughput efficiency is remarkably improved.

The invention relates to the technical field of data transmission, and discloses an ultrahigh frequency RFID system data transmission method, device and equipment and a storage medium, and the method comprises the steps: carrying out the band-pass filtering and orthogonal demodulation of a multi-tag backscattering signal received by an RFID reader, and obtaining a tag feature data sequence; performing multi-dimensional feature analysis and time sequence correlation calculation to obtain an independent label signal frame; boundary identification is carried out, and a label data frame starting point is determined; carrying out continuous sampling analysis and label signal conflict identification, and outputting a conflict position sequence; performing matrix interleaving transformation and position rearrangement on the data marked by the conflict position sequence to generate an anti-conflict data packet; the label access scheduling queue is constructed based on the transmission time sequence and the priority attribute of the anti-collision data packet, the multi-label concurrent transmission time sequence is output, and the data transmission performance of the ultrahigh-frequency RFID system is improved through multi-stage signal processing and an intelligent scheduling mechanism.

The invention belongs to the technical field of network transmission, and particularly relates to a time-sensitive network flow routing and scheduling method based on centralized control. Comprising the steps that CNC constructs network topology and generates global topology information; the CUC collects demand information of each to-be-transmitted traffic from each source node and divides traffic priorities according to the demand information; the CNC generates an optimal transmission path for each flow according to the global topological information; the CNC distributes a transmission time slot for each flow and dynamically adjusts the transmission time slot; carrying out synchronous distribution on the optimal transmission path and the transmission time slot, optimizing the transmission time slot and controlling the jitter of the transmission time slot; a scheduling table is generated according to the final distribution result of the paths and the time slots, and the CNC distributes the scheduling table to each network device; when the network state is changed, the scheduling table is dynamically adjusted to realize real-time routing and scheduling of the flow; according to the invention, the dynamic management of the flow priority is realized, the utilization rate of network resources is enhanced, and the service quality and high availability of transmission are ensured.

The invention relates to the technical field of smelter equipment control, in particular to a smelter feeding multi-equipment cooperative control method, system and equipment, and the method comprises the steps: constructing a real-time communication network between smelter feeding equipment, synchronizing the clock signals of the smelter feeding equipment, and scheduling the transmission time sequence of control instructions according to the priority; continuously collecting operation state data of each smelting furnace feeding device according to a real-time communication network, and generating a device operation index according to a preset abnormality judgment rule; when the device operation index indicates that the first device is in an abnormal state, dynamically allocating a control task of the first device to at least one second device based on a current topological structure of the real-time communication network, and adjusting a link connection relationship of the real-time communication network; and according to the instruction interface type of the target equipment, converting the cooperative control instruction into an instruction format adaptive to the target equipment. According to the invention, the problems of multi-device communication delay, high abnormal detection misjudgment rate and low protocol conversion efficiency in a complex environment are effectively solved.

The invention discloses a communication link establishment method and device, a storage medium and a product, and relates to the technical field of communication, and the method comprises the steps: determining a network device corresponding to a to-be-established link according to one or more to-be-established links, and achieving the accurate recognition between a communication path and an interaction target; according to the method, the delay data set corresponding to the network equipment is acquired, and the first delay sending duration is determined according to the delay data set, so that the matching between the protocol message sending time and the response characteristic of the network equipment is realized; and outputting a protocol message meeting the first delay sending duration to the network equipment, monitoring an establishment triggering message sent by the network equipment, and when the establishment triggering message is received, establishing a communication link between the first equipment end and the second equipment end through the network equipment corresponding to the establishment triggering message according to the establishment triggering message. Through strategic delay control, establishment failure caused by the fact that the equipment state is not refreshed is reduced, and the success rate and stability of link establishment are improved.

A low-delay multi-protocol intelligent lighting synchronization system based on a unified abstraction layer comprises the steps that an instruction from a multi-protocol bridging module is received, and network round-trip time data of terminal equipment is acquired through an active detection mechanism; based on the network round-trip time data, adopting a Kalman filtering algorithm to construct a delay prediction model so as to predict the future network delay of the terminal equipment; inputting the instruction into a third-stage buffer area for processing, and dynamically adjusting the trigger frequency of the active detection mechanism according to the load state of the third-stage annular buffer area; calculating queue delay of the buffer area according to the received load state of the buffer area, and obtaining final sending time of the instruction in combination with future network delay of the terminal equipment; and at the final sending time, sending the instruction from the sending buffer area to the corresponding terminal equipment. According to the system, low-delay and high-stability synchronization of cross-protocol equipment in the field of intelligent illumination is realized.

The invention discloses a method for estimating the safety communication rate of a near-earth satellite by using an SDFS cooperating with a GLRT. The method comprises the following steps: constructing a communication system model between the near-earth satellite and a ground terminal; analyzing the signal and channel characteristics, and obtaining the distance between the nodes, the channel gain and the received signal distribution; under the condition that the transmitting power of each monitoring party is unknown, estimating the transmitting power by adopting generalized likelihood ratio test, and independently executing the generalized likelihood ratio test based on the observation data of each monitoring party; the superior manager performs joint judgment based on a soft decision fusion scheme in combination with the generalized likelihood ratio test result of each monitoring party and a joint threshold so as to estimate the detection error probability of the monitoring party; a joint optimization strategy of the transmitting power and the number of continuous transmission time slots is constructed, and the total throughput of the system is maximized under the condition that the cooperative concealment constraint is met; according to the invention, an innovative solution is provided for reliable communication of the near-earth satellite in a complex monitoring environment.

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.

A positioning method includes transmitting, by a first terminal, a first SL positioning reference signal to a second terminal at least twice within first time, and receiving a second SL positioning reference signal from the second terminal; and determining, by the first terminal, first time information; where the first time information is related to transmission time of the first SL positioning reference signal; the first time information includes at least one of the following: transmit timing information of the first SL positioning reference signal transmitted by the first terminal; receive timing information of the second SL positioning reference signal received by the first terminal; or a time difference between receive timing of the second SL positioning reference signal received by the first terminal and transmit timing of the first SL positioning reference signal transmitted by the first terminal.

A method for reporting sidelink HARQ response information, performed by a terminal, includes the steps of: receiving, from a base station, information on allocation of a PSSCH resource for PSSCH transmission; determining a PSFCH resource for PSFCH reception corresponding to the PSSCH transmission; determining a transmission time point of HARQ response information corresponding to the PSSCH transmission; and transmitting the HARQ response information, corresponding to the PSSCH transmission, to the base station at the determined time point, wherein the transmission time point of the HARQ response information is expressed as a time offset, L, from a time point of the PSFCH resource, and information on the transmission time point of the HARQ response information is transmitted from the base station to the terminal.

The invention provides an unmanned aerial vehicle positioning method and device, equipment and a storage medium, relates to the technical field of communication, and is used for solving the problem of how to improve the accuracy of unmanned aerial vehicle positioning. The method comprises the steps that a high-altitude platform unmanned aerial vehicle sends a positioning signal to a target node, wherein the target node is located in a signal coverage area of the high-altitude platform unmanned aerial vehicle; then, the high-altitude platform unmanned aerial vehicle obtains multiple pieces of position information and multiple target durations, one piece of position information corresponds to one target duration, the position information is used for indicating the position when the low-altitude platform unmanned aerial vehicle receives a first reflection signal, and the first reflection signal is sent by the target node in response to the positioning signal; the target duration is the transmission duration of the first reflection signal reaching the low-altitude platform unmanned aerial vehicle, and the flight height between the low-altitude platform unmanned aerial vehicle and the ground is smaller than the flight height between the high-altitude platform unmanned aerial vehicle and the ground. And finally, the high-altitude platform unmanned aerial vehicle determines the position information of the target node according to the multiple pieces of position information and the multiple target durations.

The invention discloses a method for aggregating ocean buoy data, which comprises the following steps of: establishing a space-time correlation model according to the spatial distribution density of buoy clusters and the dynamic characteristics of an ocean environment, and adaptively dividing buoy groups with a data compression cooperative relationship; performing a data-related compression operation within the buoy group; constructing a transmission priority dynamic sorting engine, and calculating a dynamic weight coefficient; performing hierarchical packaging processing on the differential coding data, distributing enhanced forward error correction coding resources for high-priority data, and reserving redundant transmission time slots; the method comprises the following steps: receiving a hierarchical data packet through a low-orbit satellite and executing on-satellite preprocessing, reconstructing an original data stream by using a distributed decoder, and meanwhile, fusing multi-dimensional space-time related data to generate an aggregated data product; and finally, the aggregated data product is transmitted to a ground data center through a satellite downlink. According to the invention, uplink data volume is reduced, disaster monitoring timeliness is improved, ground station processing load is reduced, and system environment adaptability is enhanced.

The invention discloses a secure sharing exchange method and system based on double unidirectional optical shutters. The method comprises the following steps: respectively deploying a sharing exchange service in two networks isolated by optical gates, and registering interface information of business applications needing cross-optical-gate interaction on the sharing exchange services; each network comprises a database which is used for storing registration information, a transmission record, a transmitted application name, a transmission state, transmission time, transmission content and a return result; through an application registration step and a unique interface name of the whole domain, on the basis of not leaking an IP and a port to different security network domains, service application cross-optical-shutter file transmission and HTTP parameter request are realized based on a TCP / IP protocol, and the invasiveness to a service application code is reduced; according to the invention, monitoring of data transmission is realized in a transmission process; and after the transmission is completed, the receiving side returns the transmitted application name, the transmission parameter or the file name and the sending time to the transmission initiating side to form a transmission closed loop.

An access point (AP) in a wireless network, the AP comprising a memory and a processor coupled to the memory, the processor is configured obtain a transmission opportunity (TXOP) or service period (SP), transmit, to a first station (STA) during the TXOP or the SP, an indication allocating a first subchannel to the first STA at a first transmission start time, wherein the first subchannel is out of an operating channel width of the first STA, transmit, to the second STA, an indication allocating a second subchannel to the second STA at a second transmission start time, transmit, to the first STA during the TXOP or the SP on the first subchannel, a first frame at the first transmission start time, and transmit, to the second STA during the TXOP or the SP on the second subchannel, a second frame at the second transmission start time.

The invention discloses an uplink power adjustment method, apparatus and device, and a computer storage medium, and relates to the technical field of satellite communication. The method comprises the following steps: acquiring a signal transmission data sequence before a first moment; determining a weight of the signal transmission data according to the network quality parameter of the signal transmission data and a preset network quality parameter, and determining a first feature data sequence based on the signal transmission data and the corresponding weight; determining first signal transmission data sent to the satellite by the terminal at the corresponding second moment according to the corresponding relation between the feature data sequence and the signal transmission data sent to the satellite by the terminal at the target time; determining second signal transmission data corresponding to an uplink parameter influencing a network quality parameter according to the first signal transmission data; calculating predicted power based on the second signal transmission data; and adjusting the uplink power according to the predicted power. According to the embodiment of the invention, the influence of signal data transmission time on uplink power adjustment is reduced, and the real-time performance of uplink power adjustment is improved.

Methods and apparatuses for improving network packet transmission performance in terms of latency with reduced packet retransmission times and fewer packet drops in congested networks are provided. Packet-switched networks can experience long delays while waiting for out-of-order packets or re-transmissions of lost packets. In addition, network faults such as transmission path failures can result in excessive delay while attempting to find a new route over which to transmit packets. To improve packet transmission performance, application data may be encapsulated into first network packets by a first transport protocol having an interface exposed to the application, in the first network packets may be encapsulated into second network packets according to a second transport protocol. The second transport protocol can enable the second network packets of a same packet flow to be transmitted across multiple paths over the network.

A method of scheduling a UWB (Ultra-Wideband) ranging session includes: obtaining a first signal transmission schedule of first available signal transmission times of first wireless signals; and transmitting, from a first UWB device to a second UWB device, a ranging control message indicating a second signal transmission schedule including second available signal transmission times for second wireless signals that comprise UWB signals, wherein the second available signal transmission times are based on the first available signal transmission times.

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.

This disclosure provides systems, methods and apparatuses for enabling collision mitigation for a user equipment (UE) operating in a dual active mode. In some aspects, the UE may generate a communication for a first subscription in a first time window associated with a first priority for a time domain division pattern with a second subscription. The UE may transmit, using the first subscription, the communication in a second time window associated with a second priority for the time domain division pattern. For example, the second time window associated with the second priority may be a time window in which traffic for the first subscription is prioritized. In some aspects, the UE may select modified periodic intervals for transmissions of a communication to mitigate collisions associated with the time domain division pattern. For example, a transmission time of the periodic communication may be varied (or randomized) over time.

Method for transmitting time-critical data within a communication system, wherein selected datagrams are assigned to data streams and transmitted from first communication devices to second communication devices on paths containing third communication devices, where a superordinate communication controller ascertains a respective path for a respective data stream and, in the event of sufficient availability, reserves resources transmission of the respective data stream via the third communication devices, configures at least third communication devices, connected to a first or second communication device, such that datagrams assigned to data streams are each queued in transmission queues reserved for data streams and otherwise configures at least the third communication devices, connected to a first or second communication device, in each case at least temporarily such that datagrams assigned to selected data streams are queued in a transmission queue for data traffic handled without a specific quality of service guarantee.

The invention relates to the technical field of wireless communication, in particular to a communication method and device. In the communication method, a network device sends target indication information in a target time period within an active time period of first discontinuous transmission of a first cell. And the terminal equipment receives the target indication information in the target time period, and activates / deactivates the first discontinuous transmission of the first cell according to the target indication information. By adopting the communication method provided by the invention, the transmission times of the target indication information for indicating the activation / deactivation of the first discontinuous transmission of the first cell can be effectively reduced, so that the power consumption of a communication system where the network equipment and the terminal equipment are located is reduced.

An example method includes detecting, by a receiver of an apparatus at a reception time, a sound signal reflected by an object in an environment. The example method further includes determining, by identifying a frequency of the sound signal, a first angle in a first plane at which the object is disposed; determining a distance between the apparatus and the object based on a time delay between a transmission time of the sound signal and the reception time of the sound signal; and determining a second angle in a second plane at which the object is disposed based on a position of the receiver. A position of the object in the environment is determined based on the first angle, the distance between the apparatus and the object, and the second angle.

According to the model training-oriented gradient data transmission method and the related equipment provided by the invention, the compression ratio is dynamically determined according to the change of the transmission rate by monitoring the transmission rate in real time, so that the gradient data can be intelligently compressed according to the compression ratio, the data transmission quantity is remarkably reduced, and the network burden is relieved; and meanwhile, the transmission rate of each working end is adjusted through congestion control according to the bandwidth of a transmission link between the switch and the parameter server so as to relieve congestion. Under the combined action of the two, the transmission time of the gradient data is remarkably shortened, and the data transmission efficiency is improved, so that the training process of the distributed artificial intelligence model is accelerated, and the overall training efficiency is improved.

The invention relates to a broadband power line carrier node ranging method, which is characterized in that transmission time is obtained based on each count value of a source node and the frequency of the source node, so that time deviation caused by reference time difference between the nodes is avoided; meanwhile, the destination node corrects the response delay count value through the frequency deviation coefficient, so that the fine difference of the frequency between the source node and the destination node is considered, and the duration corresponding to the response delay count value in the source node is equal to the duration corresponding to the corrected response delay count value in the destination node; therefore, the response signal can be sent at the accurate sending moment, and correspondingly, the source node can receive the signal at the accurate moment, so that the time error in the signal transmission process between the nodes is reduced, and the ranging accuracy is improved. The distance measurement method provided by the embodiment of the invention is simple and convenient, and can accurately obtain the distance between the nodes.

The invention discloses an audio and video data transmission anti-interference method and system based on coding error correction, relates to the technical field of audio and video data transmission, and is used for solving the problem that centralized error burst occurs in audio and video data transmission due to periodic strong electromagnetic interference generated by high-power inductive load equipment in an industrial production environment. The method comprises the following steps: acquiring predicted interference occurrence time, duration and reference intensity range of high-power inductive load equipment in an industrial production environment; detecting the channel quality of a transmission link to obtain the actual starting time and ending time of interference, the influence on a specific frequency range and the specific mode and length of error burst; predicting interference occurrence time according to an interference rule; generating a transmission strategy adjustment instruction according to the priorities of the multiple paths of audio and video streams; and according to the transmission strategy adjustment instruction, carrying out coding error correction or transmission time sequence adjustment on the multiple paths of audio and video streams before the interference occurrence time.

The invention provides a satellite signal transmitting method, device and equipment and a computer storage medium, and the method comprises the steps: determining a target first signal and a target satellite through signal quality evaluation parameters of a plurality of first signals received by first ground equipment, and then carrying out the transmission of a satellite signal based on a pseudo-range of the target first signal and an error correction parameter of the target satellite, calculating the downlink transmission time of the second signal, then obtaining the receiving moment when the first ground equipment receives the target first signal, calculating the theoretical emission moment of the second signal based on the receiving moment and the downlink transmission time of the second signal, and obtaining the superframe duration and the theoretical emission moment of the second signal; and calculating the first uplink transmission time delay when the second ground equipment transmits the third signal to the target satellite, and finally adjusting the actual transmission time of the third signal of the second ground equipment according to the first uplink transmission time delay, so that the actual transmission time of the third signal is aligned with the theoretical transmission time of the second signal, thereby improving the transmission success rate of the satellite signal.

The invention relates to the technical field of artificial intelligence and audio processing, can be applied to the field of intelligent medical treatment and financial science and technology, and discloses an audio watermark processing method and device, equipment and a medium, and the method comprises the steps: carrying out the coding of continuously inputted audio blocks, and obtaining an audio feature vector; acquiring a digital watermark, and performing time modulation on the digital watermark according to the audio lengths of the blocks by using a multi-layer perceptron to obtain a watermark implicit vector; embedding the watermark implicit vector into the audio feature vector to obtain a target audio vector; performing quantization processing on the target audio vector to generate a target audio spectrum embedded with a digital watermark; and decoding the target audio frequency spectrum to obtain a target audio. According to the method, the continuously input audio blocks are coded, the method can adapt to a streaming scene, the audio data are processed segment by segment, the watermark embedding requirement of the continuous audio stream is met, the audio can be compressed, the data volume is effectively reduced, the transmission time consumption is reduced, and the low-delay communication requirement is met.

An aerial device receives a timing advance configuration from a base station for sidelink communication with one or more user equipments (UEs), the timing advance configuration indicating an initial timing advance for the sidelink communication with the one or more UEs. The aerial device transmits a discovery message from the aerial device to the one or more UEs at a transmission time based on the initial timing advance relative to a reference time of a sidelink synchronization reference.