268 results about "Transmission bandwidth" patented technology

The invention discloses an electric power data acquisition method and equipment based on a logarithmic amplifier and a medium, and relates to the technical field of electric power monitoring signal processing, and the method comprises the steps: collecting an original analog current signal on an electric power circuit and an analog temperature signal of an environment where the logarithmic amplifier is located, and generating a mixed observation vector; based on the mixed observation vector, calculating an estimated value of a temperature characteristic correction parameter in real time through a pre-stored temperature-parameter mapping relation, and performing logarithmic compression on the original current digital signal sequence by using the estimated value of the temperature characteristic correction parameter to obtain a compressed voltage signal subjected to temperature compensation; and performing high-speed analog-to-digital conversion on the compressed voltage signal subjected to temperature compensation to obtain a discrete digital signal sequence, and storing the discrete digital signal sequence into a priority cache region. According to the invention, the data volume is effectively compressed by using the correlation between the signals, and the transmission bandwidth and the storage demand are reduced.

The embodiment of the invention provides a congestion control method and device, an RDMA network card and electronic equipment, and is applied to the RDMA network card of a sending end, and the method comprises the steps: responding to the received WQE, and based on the current sending rate, sending a data packet to a receiving end through an RDMA communication link; transmission performance characterization information of the RDMA communication link in a time window is determined, the transmission performance characterization information comprises the minimum round-trip time and the maximum transmission bandwidth, and the time window is set based on the determined last minimum round-trip time; updating the current sending rate based on the transmission performance characterization information; and sending the data packet to the receiving end through the RDMA communication link based on the updated current sending rate. By applying the scheme provided by the embodiment of the invention, the packet loss rate during data transmission between equipment based on the RDMA technology can be reduced.

The invention provides a solid state disk energy consumption optimization method and device, electronic equipment and a storage medium, and the method comprises the steps: carrying out the throttling operation of the transmission bandwidth of a PCIe link if the first data transmission rate of the PCIe link does not meet the transmission rate requirement; performing layering operation on the cache space of the solid state disk based on the link transmission state of the throttled PCIe link to obtain a layered cache structure; determining a migratable task in each cache layer based on a data storage condition of each cache layer in the layered cache structure and a task execution condition of the solid state disk, and migrating the migratable task of each cache layer to a target cache region to obtain a cache layout after task migration; and if the second data transmission rate of the PCIe link after throttling meets the transmission rate requirement, adjusting the working mode of each component in the solid state disk based on the second data transmission rate and the cache layout. The energy consumption of the solid state disk is optimized, the read-write performance is improved, and the service life is prolonged.

The invention relates to the technical field of earthquake and acoustic exploration, and discloses a signal acquisition and transmission method, device, equipment and medium based on a main control unit, and the method comprises the steps: generating a sampling clock signal and a time counting signal, driving an analog-to-digital conversion unit to obtain a digital acquisition signal, and reading equipment state parameters; after the timestamp is added, the digital signal is stored in the first cache unit, the state data after the timestamp is added is stored in the second cache unit, the data signal cache unit is written into a first FLASH partition after being full, and the state data cache unit is written into a second FLASH partition after being full. And after data is read from the FLASH, differential signals are output through the multi-wire parallel interface, the logic processing unit and the serialization unit. According to the invention, power consumption is reduced through unified power management and optimization of clock control and a dormancy mechanism, and transmission bandwidth is improved in combination with high-speed differential output, so that both low power consumption and high efficiency are realized.

The invention relates to the technical field of electrical variable measurement, in particular to a self-adaptive power quality monitoring method for a power cabinet, which comprises the following steps of: starting a low-frequency acquisition unit arranged at a monitoring node of the power cabinet, and acquiring a low-frequency coarse scanning voltage signal of the power cabinet in a current monitoring period at a preset low-frequency sampling rate; according to the method, compressed observation vectors are transmitted, sparse basis inversion calculation is executed by using an orthogonal matching pursuit algorithm, high-precision power quality time domain waveform data are reconstructed, rich high-frequency transient details are restored under the condition of low-data-volume transmission, distortion feature analysis is carried out based on reconstructed waveforms, disturbance types are identified, and a monitoring analysis report is generated and uploaded. The real-time dynamic adjustment of the sampling scale and the matrix structure along with the signal fluctuation state is realized, the optimal balance of the data compression ratio and the signal reconstruction quality is achieved, the contradiction between the storage and transmission bandwidth limitation of massive high-frequency data in a complex power grid environment is solved, and the sensitivity for transient abnormality is improved.

The invention discloses a method for improving data transmission bandwidth through an FPGA. The method comprises the steps that a data packaging module of a detector main control board sends data to be transmitted to a multi-channel GTP sending end in parallel; the data acquisition card receives the data of the corresponding channels through the multi-channel GTP receiving end and recovers Data and KCOD of each channel; an FIFO read-write control module of the data acquisition card writes data recovered by multiple channels into asynchronous FIFOs corresponding to the channels through write logic, and data buffering is carried out; the FIFO read-write control module simultaneously reads cache data of a plurality of asynchronous FIFOs through read control logic to realize cross-clock domain synchronization of multi-channel data; performing CRC (cyclic redundancy check) and processing on the read multi-channel data to obtain synchronous effective transmission data; and a single-channel GTP is upgraded to a dual-channel GTP or a multi-channel GTP, so that the data transmission bandwidth is improved, and normal operation of the FPGA chip is ensured.

Embodiments of the present application provide a communication method and a communication apparatus, which can send a first signal on the basis of first information. The method comprises: an AIoT device sends a first signal on the basis of first information, the first information comprising one or more of the following: a first sequence configuration corresponding to the first signal; a configuration used for estimation of a non-ideal factor; a guard band configuration of the first signal; a transmit power configuration of the first signal; or a configuration of a sub-channel of the first signal. The sub-channel is configured on the basis of a system bandwidth or a transmission bandwidth or an occupied bandwidth of an AIoT system, or the sub-channel can also be configured on the basis of a transmission bandwidth or an occupied bandwidth of the first signal, and the sub-channel is used by the AIoT device to send the first signal. The first signal is applied to the AIoT system.

The invention relates to the technical field of digital asset management analysis, in particular to a digital asset intelligent analysis platform based on a block chain intelligent contract technology. The computing power resource state coupling module is used for obtaining the saturation degree of computing resources by capturing information of a task control block and combining the load rate of a processor, and embedding and collecting mapping data streams to generate a management and control data packet; the abnormal data screening module is used for executing local serial processing when the saturation degree of the computing resources is lower than an I / O throughput threshold value, and otherwise, hardware acceleration is carried out, and a to-be-verified digital sequence is constructed; generating an abrupt change collection feature vector based on the to-be-verified digital sequence; and the component resume anchoring module is used for carrying out data binding operation on the abrupt change collection feature vector, generating a single-piece digital traceability certificate, carrying out aggregation compression, obtaining a batch verification root value and outputting a quality signal digital right. According to the method, a load awareness and distributed storage partitioning strategy is constructed through indexes, and the I / O frequency and transmission bandwidth occupation of whole library retrieval are reduced.

The invention provides a large model KV precision lossless compression method and system, and relates to the field of data processing, and the method comprises the steps: obtaining key value cache data generated in a large language model reasoning process; performing high-dimensional feature extraction and similarity analysis on the key value cache data to generate a corresponding hash signature; based on the Hash signature, performing physical reordering on the key value cache data, so that the key value cache data with similar characteristics are adjacently arranged in a physical storage space; transmitting the reordered key value cache data to an intelligent network card through a high-speed interconnection interface; and calling an integrated hardware lossless compression module through the intelligent network card, and performing streaming compression on the reordered key value cache data. According to the technical scheme, the hardware unloading and assembly line technology is utilized, transmission bandwidth occupation and system overall delay are remarkably reduced, and key technical support is provided for efficient reasoning of a large model in a resource-limited edge environment.

A transmission bandwidth allocation method includes: receiving, by a transmission device, requirement information from a reception device via a specific interface; transmitting, by the transmission device, attribute information corresponding to the requirement information to the reception device via the specific interface; and dynamically allocating, by the transmission device, a transmission bandwidth according to the attribute information for transmitting multiple data to the reception device.

The invention discloses a data transmission device, which comprises an on-chip network interface module used for receiving messages sent by a first core grain in real time by taking data sub-packets as units and classifying each data sub-packet into a virtual channel matched with the on-chip network interface module according to the message type in each period, the on-chip network interface module internally comprises a plurality of parallel virtual channels; the interconnection control main body module is used for arbitrating and obtaining a target virtual channel in a plurality of virtual channels of the on-chip network interface module in each period, obtaining a data sub-packet from the target virtual channel, packaging a message frame, and sending the packaged message frame to the physical transmission layer module; and the physical transmission layer module is used for sending a message frame received in real time to the second core grain, and the device reduces the transmission delay of a complete message as much as possible on the premise of ensuring the correctness of data transmission between the core grains, and meanwhile, ensures the transmission efficiency and improves the transmission bandwidth.

Proposed are a method and device for receiving an A-PPDU in a wireless LAN system. Specifically, a reception STA receives an A-PPDU from a transmission STA and decodes the A-PPDU. The A-PPDU includes a first PPDU for a primary 160 MHz channel and a second PPDU for a secondary 160 MHz channel. A first signal field includes information about a bandwidth in which the first PPDU is transmitted. The information about the bandwidth in which the first PPDU is transmitted includes information about a first preamble puncturing pattern punctured in a unit of a 20 MHz channel in the primary 160 MHz channel. A second signal field includes information about a second preamble puncturing pattern.

The invention provides a dual-mode while-drilling azimuth resistivity measurement method and device and related equipment, and relates to the technical field of charging management. According to the technical scheme provided by the invention, the gradient mutation event in the resistivity curve is identified through the gradient feature, and the key geological interface and the abnormal region are accurately positioned. The data transmission mode is determined by collecting the drilling working condition parameters corresponding to the gradient sudden change event, so that the transmission strategy is matched with the actual drilling state. And the transmission priority score of each data is calculated based on the drilling working condition parameters, the gradient sudden change event and the resistivity curve, so that quantitative evaluation of data importance and timeliness is realized. And comparing the transmission priority score with a preset percentage threshold, and then distinguishing first data and second data to ensure that important data is preferentially transmitted and secondary data is delayed to be stored. The first data are transmitted after being adaptively coded, and the second data are stored in a layered manner, so that the requirements of real-time performance and integrity are considered under the limited transmission bandwidth.

The invention discloses a data preprocessing method and system for edge computing, and relates to the technical field of edge device data processing, and the method comprises the steps: determining the device state of an edge device and the data value of to-be-transmitted data, and outputting a processing capability score based on the device state and the data value through employing a pre-constructed capability perception model; outputting a processing strategy parameter through a pre-constructed strategy relation table according to the processing capability score, and associating the processing strategy parameter with the to-be-transmitted data to form a to-be-transmitted data packet; and setting an activity execution channel based on the edge device to transmit the to-be-transmitted data packet, and performing preprocessing control by using the processing parameter packet through the activity execution channel in the transmission process. According to the method, the occupation of redundant strategy parameters on transmission bandwidth and storage resources can be reduced, the data preprocessing efficiency and the resource utilization rate of edge equipment are remarkably improved, the local processing advantages of edge computing are fully played, and the requirements of accurate data processing and efficient resource utilization in an edge computing scene are better met.

A communication method and apparatus relate to the field of communication technologies, to enable a network device to support communication of a new type of terminal device without additionally sending a set of complete system information. The method includes: The network device sends a SIB1 and supplementary information. Maximum transmission bandwidth of a first terminal device is different from that of a second terminal device. The supplementary information includes first information and / or second information, the SIB1 does not include the first information, and a parameter value of the second information included in the supplementary information is different from a parameter value of the second information included in the SIB1. After receiving the SIB1 and the supplementary information, the second terminal device accesses a network based on partial information other than the second information in the SIB1 and the supplementary information. Consumed resources for downlink transmission can be reduced.

Apparatuses and methods for power reduction in wireless communication systems. A method for operating a user equipment (UE) includes receiving first information related to a first uplink (UL) carrier and a second UL carrier, receiving second information associated with a maximum power reduction (MPR) mitigation mode, and determining, based on the first and second information, first and second UE maximum output powers for an UL transmission bandwidth according to first and second MPR values. The first and second MPR values are associated with first and second transmissions on the first and second UL carriers. The method further includes determining first and second UL transmit powers based on the first and second UE maximum output powers, respectively, and transmitting an UL signal or channel on the first UL carrier based on the first UL transmit power on the second UL carrier based on the second UL transmit power.

Provided are a method and device of performing time synchronization. Delays and offsets are calculated through a messaging process in which a coordinator transmits a Sync message to one or more followers, the followers transmit Delay_Req messages to the coordinator in response to the Sync message, and the coordinator receiving the Delay_Req messages transmits a Delay_Resp message to the followers, and time synchronization is performed on the basis of the delays and offsets. Even when a plurality of followers are connected, the number of times PTP messages are transmitted is reduced by broadcasting the Sync message and / or the Delay_Resp message of the coordinator at once. Also, a transmission bandwidth occupied by PTP messages is reduced by performing PTP messaging using symbols that have significantly shorter lengths than existing PTP messages.

The application provides an information transmission method and device, a first wireless device and a first terminal. The method is applied to the first wireless device and includes the following steps: transmitting information to the first terminal on a first channel corresponding to a first carrier frequency, the distance between the first terminal and the first wireless device is less than a preset first threshold, and the first carrier frequency is located in a frequency range corresponding to a spurious carrier frequency of the first wireless device. The application can expand the transmission bandwidth of a communication system.

Apparatuses and methods for user equipment (UE) power class fallback in full-duplex (FD) systems. A method for operating a user equipment (UE) includes receiving information for an uplink (UL) transmission and a downlink (DL) reception on a cell and determining, based on the information, first and second UE maximum output powers for an UL transmission bandwidth according to first and second UE power classes associated with the UL transmission in first and second subsets of slots, respectively, from a set of slots on the cell. The method further includes determining first and second UL transmit powers based on the first and second UE maximum output powers, respectively and transmitting, based on first or second UL transmit power, an UL signal or channel in the first subset of slots or in the second subset of slots, respectively.

This application provides a bandwidth indication method applied in a wireless local area network supporting the 802.11be standard and a communication apparatus. The method includes: An access point generates a physical layer protocol data unit PPDU, where a transmission bandwidth of the PPDU is divided into a plurality of segments, the PPDU includes a universal signal U-SIG field carried on a segment, the U-SIG field includes a bandwidth field, and the bandwidth field indicates a channel bandwidth of a resource unit allocated to a station parked in the segment; and the access point sends the PPDU to the station. The method in this application can be used to reduce signaling overheads of PPDU transmission, and resources across segments can be allocated to the station, so that resources can be more flexibly allocated.

A gas well data processing method based on MIMO technology, belonging to the field of gas well development, includes: data acquisition and preprocessing; classification and processing of multiple gas well data; multiple gas well data retransmission mechanism; step S4: data interaction status verification and processing; using MIMO multi-antenna technology to achieve parallel reception and processing of multiple gas well data packets; data security verification and processing; classification and processing of gas well center control and management data; gas well command processing verification; and gas well data management. This invention effectively solves the problems of increased wellhead measures, large data volume, and limited transmission bandwidth in existing gas well data transmission, improving the transmission efficiency of gas well data and enhancing the management and operational efficiency of gas well production. Simultaneously, this invention combines wireless communication technology and the characteristics of multiple gas wells to design a scheme that enables refined management of gas wells, significantly improving the production capacity and economic benefits of gas wells.

The embodiment of the application discloses a kind of matrix operation method, device, electronic equipment and storage medium, belong to data processing technical field.The method includes: according to the cache capacity of each exclusive cache layer, determine a plurality of candidate basic block parameters, according to the transmission bandwidth between each adjacent cache layer, determine the estimated data throughput corresponding to each basic block parameter, according to estimated data throughput, determine target basic block parameter from multiple basic block parameters;According to target basic block parameter, determine a plurality of candidate core task quantity parameters, determine the data loading time corresponding to each core task quantity parameter according to target basic block parameter;According to data loading time, determine target core task quantity parameter;Get the first matrix and the second matrix to be processed, according to target basic block parameter and target core task quantity parameter, each computing core is scheduled, matrix operation is carried out on the first matrix and the second matrix and corresponding matrix operation result is obtained.The application improves the efficiency of matrix operation.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Apparatuses and methods for user equipment (UE) power class fallback in full-duplex (FD) systems. A method for operating a user equipment (UE) includes receiving information for an uplink (UL) transmission and a downlink (DL) reception on a cell and determining, based on the information, first and second UE maximum output powers for an UL transmission bandwidth according to first and second UE power classes associated with the UL transmission in first and second subsets of slots, respectively, from a set of slots on the cell. The method further includes determining first and second UL transmit powers based on the first and second UE maximum output powers, respectively and transmitting, based on first or second UL transmit power, an UL signal or channel in the first subset of slots or in the second subset of slots, respectively.

A communication method and system for wireless transmission using aggregated physical layer protocol data units (A-PPDUs). An access point (AP) determines an A-PPDU comprising one or more sub-PPDUs, where each sub-PPDU includes a physical layer preamble containing bandwidth information indicating the transmission bandwidth of that sub-PPDU. The bandwidth information may be embedded in a legacy signal (L-SIG) field along with a legacy length (L-length) subfield providing sub-PPDU length. Additional signal (SIG) fields of each sub-PPDU may carry further information including basic service set (BSS) color, station identifiers, modulation and coding scheme (MCS), uplink / downlink identifiers, transmission opportunity (TXOP) values, and padding data. Media Access Control (MAC) fields include receiver and transmitter addresses, which vary depending on whether the A-PPDU is for uplink or downlink transmission, and support multi-link devices (MLDs). Implementations include electronic devices and computer-readable media configured to perform these communication methods for enhanced multi-user and multi-link wireless communication.

The application discloses a video coding device, method, system, program product and storage medium, and relates to the technical field of video processing.In the application, the video coding device can be connected with a host through a bus interface, and at least two video channels are arranged between the video coding device and the host.A processor, a programmable logic device, a memory, a direct memory access controller and a channel management register can be arranged in the video coding device.The channel management register stores channel configurations of the video channels, and the programmable logic device is provided with processing units corresponding to the video channels.In actual application, the processor can set an encoder for the processing units of the video channels according to the channel configurations, and the direct memory access controller can allocate transmission bandwidth for the video channels according to the channel configurations.In this way, the original video data of the video channels can be subjected to different coding and transmission processing, so that the flexibility and scalability of multi-video stream processing can be improved.

The application provides a photoelectric detector and a manufacturing method thereof. The manufacturing method of the photoelectric detector comprises the following steps: providing an SOI substrate, wherein the SOI substrate comprises a lower substrate, an insulating buried layer and a semiconductor layer from bottom to top; forming a first insulating medium layer on the top surface and the sidewall of the semiconductor layer; removing the first insulating medium layer on the top surface of the semiconductor layer; forming a second insulating medium layer covering the semiconductor layer and the first insulating medium layer; etching part of the thickness of the second insulating medium layer by using a dry etching process to form an opening; etching the second insulating medium layer on the bottom wall of the opening by using a wet etching process to expose part of the top surface of the semiconductor layer; and forming a semiconductor absorption layer on the exposed semiconductor layer. The technical scheme of the application can improve the growth quality of the semiconductor absorption layer, thereby reducing the dark current of a silicon optical chip, improving the transmission bandwidth of the silicon optical chip and the like.

The invention relates to the technical field of integrated circuits and provides a verification platform for PCIe6. The invention provides a universal physical layer intellectual property core verification platform under PCIe bus protocol specifications, which can adapt to the improvement of the highest transmission rate and the maximum transmission bandwidth supported by the PCIe6 protocol, and can adapt to the customization requirements from the interface bandwidth, the clock mode and the working mode to the physical interface version proposed by rapid iterative development; the object-oriented expandability and the support for multiple modes and polymorphism are provided; the loss that a set of special directional verification platform needs to be developed again after the chip design or verification scheme is adjusted each time is avoided, the updating cost of project early-stage development and middle and later-stage iterative maintenance is reduced, the human input of the whole project is saved, and the chip research and development period of the whole project is shortened.

The invention relates to the field of electromagnetic spectrum, and provides a lightweight high-precision signal time difference extraction method, device and equipment, a medium and a product, and the method comprises the steps: two stations sample signal sampling data; performing signal processing on the signal sampling data to form pulse description word sets of the two stations and initial signal sampling data in one-to-one correspondence with pulse description words, and transmitting the pulse description word sets and the initial signal sampling data to a data center; pulse description word matching is carried out based on the pulse description word set in the data center, and signal time difference extraction is completed based on initial signal sampling data. According to the method, the cost problem caused by large link transmission bandwidth requirement, large data processing calculation amount and the like confronted by original signal sampling data mutual transmission is solved, high-precision time difference extraction at a low transmission rate can be realized, the resource processing requirement is low, and the method can adapt to an application scene of multi-target high-precision positioning.

A method and device estimate available transmission bandwidth of a network connection used to deliver a data file within a predetermined transmission time. A file size is obtained and a minimum average bitrate required to meet the time is computed as size divided by time. The transmission window is partitioned into alternating first and second time intervals. During each first interval, portions of the file are sent at a bitrate greater than the minimum average. During each second interval, remaining portions are sent at a lower bitrate selected such that the overall average bitrate across the window is at least the minimum average and below a configured bitrate threshold. Feedback (e.g., acknowledgments, loss, delay, or throughput) collected during the higher-rate first intervals is used to estimate the available bandwidth of the connection. The estimate may be used to adjust subsequent interval rates, file scheduling, or admission decisions.

The application relates to the technical field of digital film content production, distribution and screening, and discloses a high dynamic range content distribution display method and a video processing device. A standard dynamic range master is used as the only main asset, physical baseline information is generated, candidate residual information is extracted, semantic gating decision is performed, auxiliary data containing the physical baseline information and selectively containing conditional gain information is output, and a high dynamic range signal is reconstructed according to the corresponding mode selected according to the auxiliary data, so that the single master is adapted to different display capability screening terminals, and the problems of high cost and poor consistency of the existing multi-version distribution mode are solved. Meanwhile, the semantic gating mechanism is used to eliminate the AI illusion risk, the adaptive auxiliary data structure is used to reduce the transmission bandwidth, and the distribution efficiency, screening safety and content verifiability are considered.