41results about How to "Improve bandwidth utilization" patented technology

The invention provides a data forwarding method based on a vehicle-mounted passive optical network and a related device, and relates to the technical field of vehicle communication. In the data forwarding method, the first ONU gateway aggregates and packages the received multiple frames of messages into the same uplink GEM frame, so that the multiple frames of messages share the same GEM frame header, the frame header overhead in the low-speed data transmission process is effectively reduced, and the bandwidth utilization rate of the vehicle-mounted PON network is improved. Meanwhile, message grouping, uplink GEM frame packaging and uplink burst frame coding are directly completed through the first ONU gateway, the uplink burst frame is sent to the OLT, time delay and system resource consumption are reduced, the high real-time requirement of low-speed data (such as a sensor and a control signaling) in a vehicle-mounted scene is met, and therefore efficient and low-delay bearing of the low-speed data on a vehicle-mounted PON network is achieved.

This invention relates to the field of Internet of Things (IoT) technology, providing a large-scale IoT system, method, and medium for remote firmware updates of sensors. The system includes a sensor management platform configured to: determine multiple sensor update groups based on data characteristics of multiple sensors and their geographical locations within an industrial grid area; determine the update priority of each sensor update group based on its task and transmission characteristics; determine update parameters for the multiple sensor update groups based on update priority, firmware characteristics, and channel state distribution; and generate update instructions and firmware update packages based on the update parameters, and control multiple sensors in the multiple sensor update groups to perform firmware updates. The method can be executed after being read from computer instructions stored on a computer-readable storage medium. This invention enables secure, reliable, and continuous large-scale sensor firmware upgrades under complex industrial network conditions.

The invention relates to the technical field of computer cluster communication, in particular to a set communication method suitable for a core particle equipment cluster with unified bus interconnection, which comprises the following steps of: acquiring hierarchical topology and link information of the core particle equipment cluster, and constructing a global topology information base according to the acquired hierarchical topology and link information; optimizing the core size level primitive, the node level primitive and the super node level primitive; a link monitoring unit is deployed to monitor a link state index in real time, an alarm is triggered when a link fault is detected, an optimal backup link is screened based on a global topology information base, a communication path is updated, and a dynamic resource scheduling algorithm is adopted to allocate computing power and communication resources; and dynamically adjusting a communication path and bandwidth allocation according to a set communication task requirement and a link dynamic parameter. The method is suitable for a three-level link architecture of a core particle equipment cluster, can improve the communication efficiency and the bandwidth utilization rate, enhances the cluster reliability and the resource utilization rate, and effectively meets the requirements of high computing power and high communication intensity of large model training.

The invention provides a power distribution network resource scheduling method and system based on computing power network integration, and belongs to the technical field of data processing and resource scheduling, and the method comprises the steps: obtaining a plurality of communication signals and a plurality of corresponding service requests, and packaging the communication signals and the service requests into a plurality of standardized data; corresponding response tasks are generated according to the service requests, and task resource requirements of the response tasks are determined; performing resource scheduling on each response task according to each task resource demand and a preset resource scheduling model, and determining resource configuration of each response task; according to each resource configuration, scheduling and allocating a plurality of virtual resources to each response task from a preset resource pool; and according to each response task and a plurality of corresponding virtual resource units, carrying out data processing on each piece of standardized data, so that by implementing the method and the device, the problems of relatively low utilization rate of power distribution network resources and inflexible scheduling in the prior art can be solved.

The application relates to a method and system for realizing 90-degree integer multiple rotation of an image, wherein the method comprises the following steps: an FPGA receives original image data output by an image sensor and image processing parameters issued by an ARM, the image processing parameters at least including width, height and a rotation angle, wherein the rotation angle is an integer multiple of 90 degrees; the original image data is preprocessed and demosaiced to obtain a full-color image in RGB or YUV format; according to the width, height and rotation angle of the image, a coordinate transformation formula for 90-degree integer multiple rotation is used to determine the position mapping relationship between each source pixel in the full-color image and a target pixel after rotation; the full-color image is written into a BRAM cache in a ping-pong mode, and each pixel is read according to the order of the position mapping relationship and written into a target address in a DDR, wherein the target address in the DDR is calculated according to the position relationship.

The application discloses a composite data transmission method and related device, and relates to the technical field of computers, and the method comprises the following steps: if it is judged that the data transmission from a device end to a host end is one-way transmission, the device end collects original audio and video data, carries out algorithm processing and classification; the original audio and video data is encapsulated and transmitted to the host end, the first composite data is received, and the first composite data is analyzed; the first analysis data is written into a target virtual drive, the first analysis data is integrated, a target instruction is generated, and the target instruction is transmitted to the device end; if it is judged that the data transmission is not one-way transmission, the host end packs the original audio and video data, transmits the second composite data to a computing box; the second composite data is analyzed, the second analysis data is processed by calling an algorithm library, the second analysis data is packed, and the second analysis data is returned to the host end; the packed data is analyzed, and the packed data is transmitted to a target application. The application provides high-quality original audio and video data transmission.

The application provides a near-memory DMA data transposition controller, a data transposition method, a medium and a product. The near-memory DMA data transposition controller is arranged on a data transmission path between a far-end memory and a near-end memory of an AI computing chip, and comprises a first DMA control module and a second DMA control module. The transposition operation only occurs after data is read from the near-end memory, thereby reducing independent transposition processing links, reducing transposition power consumption overhead and operation delay, avoiding a decrease in bus bandwidth utilization caused by transposition, and reducing hardware resource overhead. A dynamic splitting strategy concentrates non-aligned access in a first data block, thereby improving overall bandwidth utilization. The transposition operation is separated from a computing unit, the transposition is completed synchronously in a data carrying process, computing resources are released, and an operation period and power consumption overhead are reduced.

The utility model relates to a communication analog-to-digital hybrid bridge, which comprises a radio frequency front end, an ADC / DAC conversion module, a DSP module and a protocol conversion module, the protocol conversion module is provided with a multi-protocol interface, and the multi-protocol interface is connected with the ADC / DAC conversion module through a dual-channel JESD204B interface; and the protocol conversion module is connected with the DSP module through a SerDes deserializer. According to the utility model, the bandwidth and delay bottleneck of the traditional discrete chipset is broken through, the five-mode signal synchronous processing is supported, the end-to-end delay is less than or equal to 8 microseconds, and the five-mode signal synchronous processing circuit is suitable for a high-density radio frequency front end and an industrial real-time control system.

The invention relates to the technical field of network communication equipment, in particular to a distributed network signal convergence concentrator, which comprises a main control module, and a power supply module supplies power to each module; the distributed signal acquisition unit is used for acquiring multi-path distributed network signals and transmitting the multi-path distributed network signals to the signal convergence processing module; the signal convergence processing module is used for carrying out integration, protocol conversion and bandwidth optimization processing on multiple paths of network signals; the network interface module is used for outputting processed convergence signals to superior network equipment; one side of the main control module is also provided with an extensible interface module; for some specific areas, the main control module is inconvenient to move or a connecting line is short, the mobile interface is arranged, so that butt joint with an external interface is facilitated, the whole equipment does not need to be moved, and a complex scene is adapted; and multiple types of wired and wireless signals are compatible, multi-protocol unified convergence is realized through protocol conversion, and the equipment compatibility is improved.

This disclosure provides an interface protocol converter and an electronic device, relating to the field of digital integrated circuits. The interface protocol converter includes: a read conversion module configured to convert the interface protocol of the read channel of an Advanced Scalable Interface (ASPI) into the interface protocol of a Static Random Access Memory (SRAM); the read conversion module includes: a read address FIFO memory; a read request expansion unit; a read identity FIFO memory; and a read data control FIFO memory; and a write conversion module configured to convert the interface protocol of the write channel of an ASPI into the interface protocol of a SRAM. By optimizing the data path structure, deep optimization of the SRAM interface characteristics is achieved, which can significantly reduce conversion latency and hardware resource consumption, while achieving higher bandwidth utilization and energy efficiency.

This invention relates to the field of byte processing technology, providing a method and apparatus for accelerating byte encryption and decryption. The invention adds operation bits to bitwise operation instructions; uses corresponding operation bits to perform byte selection, endianness conversion, single-input multiple shift processing, and / or efficient table lookup operations. Specifically, byte selection avoids invalid bit calculations, improving instruction utilization. Endianness conversion ensures correct data order, minimizing duplicate data requests due to order errors, thus reducing the need for bitwise operations and improving GPU bandwidth utilization. Single-input multiple shift processing reduces the number of shift instructions, increasing throughput and avoiding repeated loading of the same data; efficient table lookup operations improve bitwise computation throughput, significantly reducing bandwidth pressure. This invention optimizes the granularity of bitwise operations, enabling encryption and decryption algorithms to efficiently utilize computing resources on the GPU while minimizing bandwidth consumption.

The deep learning-based video multi-level adaptive compression cross-layer transmission optimization method and system of the application relates to the technical field of video transmission. By designing a compression level selection model based on deep learning, the optimal compression level is output based on the original video data and network environment parameters, and the corresponding compression strategy of the optimal compression level is obtained. A transmission strategy selection model is designed to generate a transmission strategy based on video quality parameters and network environment parameters. A global utility function is defined to calculate the global utility value when the compression strategy and the transmission strategy are assumed to be executed. An optimization objective function is designed, which inputs the compression strategy and the transmission strategy and outputs the optimized compression strategy and the transmission strategy. A condition judgment logic is set to select the final strategy based on the compression strategy and the transmission strategy before and after optimization, thereby achieving global optimization of video compression and transmission.

This disclosure relates to an image acquisition method, apparatus, computer device, storage medium, and computer program product. The method includes: acquiring an initial image frame and acquiring accumulated image frames from a buffer; merging the initial image frame into the accumulated image frames to obtain a first-updated accumulated image frame, and storing the first-updated accumulated image frame in the buffer; if the difference between the number of image frames corresponding to the first-updated accumulated image frame and the target number of frames is within a preset range, determining the average pixel value of corresponding pixels in multiple image frames of the first-updated accumulated image frame as the pixel value of a second-updated accumulated image frame, storing the second-updated accumulated image frame in the buffer, and repeating the update process until the number of updates meets a preset condition to obtain the acquired image. This method is applicable to image acquisition at high throughput rates, ensuring testing efficiency.

The invention provides a processor and electronic equipment, the processor comprises a giant bandwidth memory, a memory controller, a copy engine and an on-chip memory, the giant bandwidth memory is directly connected to the copy engine through the memory controller, the copy engine is connected with the on-chip memory, and the on-chip memory is connected with the memory controller. The transmission bandwidth of the giant bandwidth memory is matched with the transmission bandwidth of the copy engine, so that the processor and the electronic equipment can shorten the data transmission path and improve the bandwidth utilization rate by optimizing the processor architecture.

The invention provides a vehicle-mounted data processing method, a vehicle control method and a control system. The vehicle-mounted data processing method comprises the following steps: generating a plurality of target data blocks based on compressed vehicle-mounted data; the first root hash of each target data block is sent to the cloud and registered, and after the target data block is uploaded to the cloud, the registered first root hash is used to carry out integrity verification on the target data block; when the verification fails, recursively comparing the sub-tree Hash based on the first root Hash which fails in verification to obtain an error data unit in the target data block, and performing retransmission processing; integrity verification is carried out again after each retransmission, and the number of retransmission times is provided with an upper limit; and writing the verified target data block into the target storage layer. According to the invention, the bandwidth utilization rate can be obviously improved in a weak network environment, the transmission energy consumption of the edge node is reduced, the transmission and processing speed of the vehicle-mounted data from the vehicle end to the cloud end is accelerated, and the data synchronization efficiency of the whole vehicle networking system is improved.

This disclosure provides a data access method, system, device, storage medium, and program product. The data access method includes: receiving a current memory access request; associating the current memory access request with in-transit memory access requests in a preset storage area; in response to a first in-transit memory access request that has an association, establishing an association between the current memory access request and the first in-transit memory access request, and storing the current memory access request as an in-transit memory access request in a free storage space in the preset storage area; in response to receiving read data corresponding to a second in-transit memory access request, returning the read data as the target memory access data for the second in-transit memory access request; obtaining a third in-transit memory access request associated with the second in-transit memory access request based on the association, extracting the target memory access data corresponding to the third in-transit memory access request from the read data, and returning it. This disclosure can effectively reduce the number of memory accesses, improving the utilization rate of the memory access bus bandwidth while reducing system power consumption.

Embodiments of the present application provide a data transmission method, device and electronic equipment, the method comprises: receiving a first data transmission instruction; sending a data packet of a first target task to a first target queue corresponding to a first target bandwidth, and sending data packets of other tasks to a first auxiliary queue corresponding to a first auxiliary bandwidth; calling a first target thread allocated for the first target queue, transmitting the data packet in the first target queue according to the first target bandwidth, and calling a first auxiliary thread allocated for the first auxiliary queue, transmitting the data packet in the first auxiliary queue according to the first auxiliary bandwidth. The application of the scheme provided in the embodiments of the present application can improve the bandwidth utilization and data transmission efficiency in the data transmission process.

This application discloses a coprocessor, hardware acceleration method, device, and medium for post-quantum cryptography algorithms, applied to cloud chips and relating to the field of chip design technology. It includes: a register set divided into a first storage area and a second storage area; a parameter memory for storing auxiliary calculation parameters; multiple parallel butterfly operation units for performing butterfly operations in number-theoretical transformations or inverse number-theoretical transformations to obtain the calculation results; and an access control module connected to the register set, parameter memory, and butterfly operation units, used to simultaneously read the target coefficients of the data to be calculated from the first and second storage areas, and read the corresponding auxiliary calculation parameters from the parameter memory; distribute the target coefficients and auxiliary calculation parameters to multiple butterfly operation units for calculation, and write the calculation results back to the first and second storage areas to update the coefficients. This approach reduces resource consumption and improves computational efficiency while maintaining high parallelism.

The application provides a cache system and method based on three-dimensional dynamic random access memory, which comprises a plurality of dies, each of which has a plurality of processor units; a three-dimensional dynamic random access memory, a cache controller and a direct memory access engine are arranged on the processor unit; on the same processor unit, the direct memory access engine is connected with the three-dimensional dynamic random access memory and the cache controller respectively; the direct memory access engines on different processor units are connected; the direct memory access engine receives a cache request, determines a data block of a victim cache line and a position of the data block; if the victim cache line is in a modified state, the data block is removed and written into a data buffer of the direct memory access engine; the data to be stored in the cache request is written into the position of the data block; the data block is written back to a global memory, and the cache operation is completed; the cache system structure is reliable and can simultaneously meet the requirements of large capacity and low latency.

The application belongs to the technical field of wireless communication, and discloses a low-delay Li-Fi Internet of Things communication method and system based on UDP, which constructs a low-delay, high-reliability and self-adaptive Li-Fi communication system through communication link initialization, dynamic MTU adaptation, data packet priority scheduling, multi-dimensional intelligent scheduling mechanism, layered fault-tolerant architecture and cross-layer collaborative design. The application is suitable for intelligent factories, automatic driving, remote medical treatment and other Internet of Things scenes with extremely high real-time and reliability requirements, and has strong technical innovation and commercial application value.

The invention provides a voice response data processing method and device, equipment, a storage medium and a product. Comprising the steps that in the voice interaction process of a user, voice response data generated for the user is acquired; acquiring a voice signal of the voice response data; performing framing processing on the voice signal to obtain multiple frames of voice signals; performing feature extraction on each frame of voice signal to obtain an energy feature and a zero-crossing rate feature; recognizing a continuous mute frame sequence from the multi-frame voice signal according to the energy feature and the zero-crossing rate feature; performing mute truncation on the voice signal according to the continuous mute frame sequence to obtain optimized voice response data; and outputting the optimized voice response data. The resource waste is reduced; and the user experience is improved.

The invention discloses an ultra-low out-of-band radiation pseudo-random signal generation method, and belongs to the field of inter-satellite measurement and communication. The method comprises the steps of firstly generating a zero-direct-current pseudo-random code; modulating data to be sent to the zero direct current pseudo-random code; and finally, performing pulse shaping, matched filtering, elimination of a direct current component in the signal and suppression of signal spectrum broadening on the modulated signal to obtain an ultra-low out-of-band radiation pseudo-random signal. The method is suitable for a high-precision ranging system (such as gravitational wave measurement) with strict limitation on signal direct-current components and bandwidths, the zero-direct-current and spectrum-broadening-free requirements are met at the same time through the zero-direct-current characteristic pseudo code generation and zero-direct-current characteristic anti-aliasing filtering technology, the influence of ranging signals on carrier phase measurement is reduced, and the measurement accuracy is improved. And the bandwidth utilization rate, the anti-noise performance and the absolute ranging precision of the system are improved.

The invention discloses a system and method for low altitude communication data transmission. In a traditional 5G architecture, an active antenna unit (AAU) only undertakes radio frequency transceiving, and all data needs to be shunted through a 5G core network. The system comprises an AAU and a multi-access edge computing (MEC) node, the AAU is integrated with a wireless radio frequency module, a baseband processing module, a communication data processing module, an identification analysis chip and a second physical port, and the communication data processing module distinguishes low-altitude communication data through a Hash matching algorithm; the low-altitude communication data analyzed by the identification analysis chip is packaged into a lightweight transport protocol (LTP) frame, and the lightweight transport protocol (LTP) frame is sent to the MEC node through the second physical port; and the MEC node analyzes the LTP frame and dynamically adjusts the bandwidth. The method comprises an uplink (signal processing-identification extraction-data distribution) and a downlink (data aggregation-coded modulation-radio frequency emission). According to the invention, low-altitude communication data local shunting is realized, the transmission delay is reduced, and the shunting precision and the bandwidth utilization rate are improved.

The embodiment of the invention discloses a satellite communication transmission optimization method and device, electronic equipment and a storage medium, and relates to the technical field of satellite communication and data transmission optimizing.The method comprises the steps that a stream context table is inquired by extracting a data packet head quintuple, and a new stream is created and synchronously updated when the data packet head quintuple is not hit. An ROHC compressor is used for compressing the head of a data packet, a compressed data segment containing a CID is generated and stored in an FIFO queue, after the size or duration condition is met, the compressed data segment is packaged into an aggregation frame, and FEC coding is added for sending, so that the transmission redundancy is reduced, and the transmission efficiency is improved for a high-error-code long-delay environment. By dynamically increasing the number of IR packet sending times, the state of a compressor is adaptively adjusted, light NACK is sent, and a flow context table is periodically cleaned. And dividing priorities according to service types, configuring differentiated aggregation parameters, reading TCP layer state information in real time for dynamic adjustment, and marking an NACK packet as the highest priority. According to the invention, the problems of efficiency bottleneck and poor transmission robustness in the prior art are effectively solved.

The application discloses a kind of arc light protection cascade communication method and system based on annular topology self-healing, it is related to arc light protection technical field.The method includes: the first, second communication port is connected with a plurality of unit modules by optical fiber head-to-tail to form annular link by main control unit;Each arc light unit module generates state signal according to current state, has first eigenvalue in normal state, has second eigenvalue in event state;During normal operation, main control unit receives and transmits communication signal via annular link;When annular link occurs circuit break, the unit module of both sides of circuit break automatically triggers port loopback, reversely forwards communication signal, so that link before and after breakpoint is mapped to first and second communication port respectively, maintain full node communication uninterrupted.The application solves the defect that downstream is lost under traditional chain topology breakpoint by annular topology self-healing mechanism, simultaneously distinguishes system state by signal itself physical characteristic parameter change, realizes state direct efficient identification, and has high reliability and fast response ability.

The invention discloses a dual-mode communication intelligent data transmission method based on edge calculation, and the method comprises the following steps: S1, collecting multi-mode environment data by an edge terminal, generating an input feature vector, and transmitting the input feature vector to an edge server; s2, inputting the feature vector into an improved hybrid expert model, activating an expert sub-network, and outputting a candidate communication action set; s3, constructing an initial node of the Monte Carlo tree, and performing multi-step simulation and evaluation; s4, according to the simulation result, backtracking the expected income, and selecting an optimal communication action sequence as a data transmission scheme; s5, issuing the transmission scheme to the edge terminal, executing mode switching, link shunting and data scheduling, and collecting feedback information; s6, the feedback information is used for optimizing the hybrid expert model and the Monte Carlo tree strategy, and a dynamic closed-loop optimization system is constructed. According to the method, the improved hybrid expert model and Monte Carlo tree search are fused, and intelligent decision and optimization of data transmission of dual-mode communication under edge calculation are realized.

This invention belongs to the field of cloud computing and network traffic control technology, and relates to an intelligent network traffic control method and system for containerized clusters. Based on pre-configured rules, it distinguishes between public network and internal network traffic in real time along the data forwarding path. It periodically monitors the total public network traffic of the cluster and dynamically calculates bandwidth limit parameters using a closed-loop feedback control algorithm. Then, it applies dynamic parameters to public network traffic for real-time shaping, while applying a completely independent static protection strategy to internal network traffic. Finally, it independently monitors the status of the control layer at the data execution layer, automatically releasing public network traffic control in case of disconnection, and ensuring business continuity by adhering to the Fail-Open principle. This invention aims to solve problems in traditional solutions such as indiscriminate control that may damage the internal network, the inability of static configuration to adapt, single points of failure in centralized architectures, and the lack of intelligent closed-loop control. It effectively improves bandwidth utilization and business performance, protects critical internal network traffic, significantly reduces operational complexity, and enhances system robustness.

This invention belongs to the field of wireless communication technology, specifically relating to an integrated air-space-ground intelligent communication monitoring system for areas without public network signals. The system includes: ground-based sensing nodes deployed in specific areas for data acquisition and preprocessing; an airborne mobile relay platform mounted on an unmanned aerial vehicle (UAV) for monitoring, data aggregation, and wireless power replenishment; a space-based constellation backbone network composed of low-Earth orbit (LEO) satellites for constructing backhaul links; and a remote integrated control terminal. The airborne platform dynamically plans its path and performs wireless beam replenishment based on parameters such as the power levels of the ground nodes. When the airborne platform's power is insufficient, it can switch to a fixed base station to enhance coverage. This invention improves the system's lifespan and monitoring flexibility through three-layer air-space-ground collaboration and an on-demand wake-up power replenishment mechanism, achieving reliable backhaul of high-value information and flexible resource reuse in complex environments.

A namespace bandwidth allocation method and device, the method comprising: receiving an operation request and determining a target namespace to which the operation request is directed in an SSD; obtaining the capacity of the target namespace and the total bandwidth of a NAND flash end of the SSD, determining active namespaces at the time of receiving the operation request and obtaining the total capacity of all active namespaces; wherein the active namespaces refer to namespaces in which data operations exist within a preset time period; obtaining the capacity ratio between the capacity of the target namespace and the total capacity of all determined active namespaces; allocating bandwidth for the target command namespace according to the total bandwidth of the NAND flash end and the obtained capacity ratio, and executing the received operation request according to the allocated bandwidth. Therefore, the overall bandwidth utilization is improved.

The invention relates to the technical field of communication, in particular to an unmanned aerial vehicle group formation control method and system, computer equipment and a storage medium. The formation control method of the unmanned aerial vehicle group comprises the following steps: calling a target tether tension observer to determine target tether tension of unmanned aerial vehicles; wherein the target tether tension observer is obtained by correcting an initial tension observer through estimated tether tension and actual tether tension obtained through actual measurement, and a tension error between the actual tether tension and the estimated tether tension is smaller than a preset tension error; acquiring event triggering symbols of the unmanned aerial vehicles, and if the event triggering symbols meet a preset event triggering mechanism, triggering communication between the unmanned aerial vehicles; and triggering a formation controller and the target tether tension according to a pre-configured event to control each unmanned aerial vehicle to perform formation flight. The formation control method of the unmanned aerial vehicle group is more stable, lower in energy consumption and smaller in system calculation amount.