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31results about How to "Meet data transfer requirements" patented technology
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Monitoring control method and device
InactiveCN103368763AReduce power consumptionMeet data transfer requirementsData switching networksTime informationTerminal equipment
The invention discloses a monitoring control method and device. The method includes: a local terminal device acquiring a second timer generated by a first timer which is indicated by timing information included in a first message sent by an opposite-end terminal device and the first timer is used for controlling the opposite-end terminal device to be forbidden to send data to the local terminal device in a first timing period; the local terminal device starting the second timer and entering a dormant state; and the local terminal device ending the dormant state and monitoring the PDCCH when a second timing period of the second timer arrives. In the monitoring control method and device, the local terminal device can be woken up according to the second timer in a targeted way to receive the data transmitted by the opposite-end terminal device. Because the local terminal device does not need to monitor channels blindly, requirements for data transmission are met and at the same time, power consumption of the local terminal device is reduced.
Owner:HUAWEI TECH CO LTD
Vehicle monitoring terminal and remote monitoring method and system of the vehicle monitoring terminal
ActiveCN109639690AEasy to detectMeet data transfer requirementsBus networksNetwork packetNational standard
The present invention discloses a remote monitoring method and system of a vehicle monitoring terminal and the vehicle monitoring terminal, the method comprises: obtaining a sampling original messageof each preset device in an electric vehicle; parsing the sampling original message according to a preset vehicle protocol to obtain a signal output value; and performing group package operating on the signal output value according to a preset national standard specification to obtain a specification data packet; using a wireless communication device in the electric vehicle to transmit the specification data packet to a server. According to the preset national standard specification, the method performs group package operating on the signal output value to obtain the specification data packet,and can output the specification data packet conforming to a national standard format; therefore, when the specification data packet is transmitted to the server by using the wireless communication device in the electric vehicle, the method can unify communication standard between the vehicle monitoring terminal and a remote service platform, so that data transmission of the vehicle monitoring terminal meets the national standard, thereby improving national standard compliance detection and self-test passing rate.
Owner:深蓝汽车科技有限公司
Data scheduling method used in EPON terminal system and based on absolute priority
InactiveCN101754057AMeet data transfer requirementsGood effectMultiplex system selection arrangementsData switching networksNetworked systemTerminal system
The invention relates to a data scheduling method used in an EPON terminal system and based on absolute priority. The EPON terminal system is a point-to-multipoint network system, comprises three parts: an end OLT, a terminal ONU and a passive optical divider, and is characterized in that: a. FIFOs used for data caching are added in the terminal ONU, and the number of the FIFOs is determined by the current priority number for data discrimination; b. address spaces are allocated in an external memory according to the priority; c. the terminal ONU transmits data to the end OLT, a transmission time slot for report frames used for bandwidth application is reserved at the tail part of a transmission time slot, and the number of data remained in the current system and to be transmitted can be accurately calculated when every time slot transmission is ended; d. when a higher priority comes, the current transmitted data is confirmed to be consistent with the data applied to be transmitted; and e. when end OLT allocates bandwidth more than the applied bandwidth to the terminal ONU, absolute priority scheduling can be selected or round-robin scheduling is selected to equally allocate the excessive bandwidth. Through practical operation and testing, the invention has the advantages that the effect is good, the bandwidth utilization ratio is high and the data transmission requirement of the EPON system is satisfied.
Owner:HANGZHOU KWIKTELETEC
Parameter data server, parameter data transmission method and data transmission system
ActiveCN102611625AEasy accessMeet data transfer requirementsData switching networksComputer moduleData acquisition
The invention discloses a parameter data server which comprises a data receiving module, a pre-processing module, a standard data output module and a data pool; the data receiving module is used for receiving parameter data and caching the same to a receiving buffer, and then the pre-processing module is started; the pre-processing module is used for analyzing the parameter data which is cached in the receiving buffer, and writing the parameter data into the data pool in a queue data structure; and the standard data output module is used for sequentially outputting the parameter data in the queue data structure in the data pool according to the standard of an object linking and embedding for process control (OPC) interface. The invention also discloses a parameter data transmission method and a data transmission system. According to the invention, multiple types of serial parameter data acquisition equipment can be accessed to a client terminal conveniently.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
Streaming data server, streaming media transmission method and data transmission system
ActiveCN102571617ARealize unified accessSave on Computing Hardware RequirementsData switching networksData streamData acquisition
The invention discloses a streaming data server, which comprises a data receiving module, a preprocessing module, a standard data output module and a data pool, wherein the data receiving module is used for acquiring streaming data from data acquisition equipment, caching the acquired streaming data into a receiving buffer, and starting the preprocessing module after the streaming data is cached; the preprocessing module is used for converting the streaming data cached in the receiving buffer into a binary data stream, and writing the binary data stream into the data pool in a queue data structure; and the standard data output module is used for sequentially outputting the valid queue header data of the binary data stream in the data pool through an object linking and embedding for process control (OPC) standard interface. The invention also discloses a streaming data transmission method and a data transmission system. By the streaming data server, the streaming data transmission method and the data transmission system, the streaming data such as text data, image data and the like can be conveniently transmitted to a client, the unified access of the data can be realized, and remote bandwidth resources and field processing resources can be saved.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
Byte-based filtering and policing system and method of avionics full duplex switched Ethernet (AFDX) switch
InactiveCN102497285ASolve the lossMeet data transfer requirementsData switching networksExchange networkPass rate
The invention discloses a byte-based filtering and policing tube system and a byte-based filtering and policing tube method of an avionics full duplex switched Ethernet (AFDX) switch, mainly solves the problem of frame loss under the condition of larger jitter and different frame lengths. The system comprises a cache, a lookup table, a filtering module, a policing tube module and a determination module, wherein the cache stores data frames and extracts the virtual link (VL) and the frame information of the data frames; the VL is used for searching for the filtering parameters of the data frames in the lookup table; the filtering parameters are compared with the frame information in the filtering module to determine whether the data frames meet a filtering requirement; a byte leaky bucket algorithm is used for controlling data frame traffic in the policing tube module simultaneously; and finally, the determination module is used for determining whether the data frames are permitted to enter a switched network. According to the invention, the implementation method is simple, system resources are saved, the pass rate of the data frames is high, the network switching performance can be improved, and the system and method can be used for filtering data frames and controlling flow rate in an AFDX.
Owner:XIDIAN UNIV
File receiving and sending method and system
The invention discloses a file receiving and sending method and system. The method comprises the following steps: splitting a file into a plurality of data packets; compressing the plurality of data packets simultaneously; transmitting the plurality of compressed data packets simultaneously; receiving the plurality of compressed data packets; decompressing the plurality of received data packets; and storing the decompressed data packets.
Owner:BEIJING TONGTECH CO LTD
Method and device for distributing transmission resource for mobile station
InactiveCN101296474AMeet data transfer requirementsRadio/inductive link selection arrangementsData switching networksCurrent cellControl channel
The invention provides a method for allocating and transmitting resources for a mobile station. The method comprises the following steps: a notification message is transmitted to the mobile station which is in an idle state on a control channel; according to the received notification message, the mobile station utilizes wireless resource allocated by cells to transmit downstream data. When the current cell has no sufficient resource to allocate to the mobile station, by the technical proposal provided by the embodiment of the invention, a proper cell can be chosen to allocate resource for themobile station according to a measuring report, and the mobile station is notified to access to a target cell in a dynamic way and to receive the downstream data through transmitting grouping shifting command to the mobile station on public control channel or grouping public control channel, thus better meeting the request for data transmission of a user.
Owner:HUAWEI TECH CO LTD
Self-calibration sterilizing gas concentration detection equipment based on wireless data transmission technology
InactiveCN103105411AReduce the impactHigh precisionMaterial thermal conductivityTransmission systemsAmbient humidityReal-time data
The invention discloses self-calibration sterilizing gas concentration detection equipment based on a wireless data transmission technology. The self-calibration sterilizing gas concentration detection equipment consists of a power control module, a processor, a storage module, an input / output module, a gas pipeline control module, a drying agent module, a gas concentration sensor interface module, an ambient humidity detection module and a data wireless communication module, and is characterized in that influence on normal work of the equipment caused by extreme humidity is avoided; a self-calibration function for sterilizing gas concentration data is realized; and by a ZigBee wireless data transmission module, a requirement on monitoring the data in real time can be met.
Owner:CHINESE ACAD OF INSPECTION & QUARANTINE
Data transmission method capable of transmitting multiple algorithm parameters
ActiveCN104836639AMeet data transfer requirementsSave development timeEncryption apparatus with shift registers/memoriesUser identity/authority verificationData transmissionComputer based
Owner:INST OF INFORMATION ENG CAS
Data acquisition apparatus of fingerprint module group
ActiveCN107153814AEasy to detectMeet data transfer requirementsPrint image acquisitionElectric digital data processingCommunication interfacePower flow
The invention relates to a data acquisition apparatus of a fingerprint module group. The data acquisition apparatus comprises a module group interface, a program-controlled power supply module, a current acquisition module, an open-circuit short-circuit detection module, a processor, a PHY chip, a communication interface and a system power supply. The module group interface is respectively connected with the program-controlled power supply module, the current acquisition module, the open-circuit short-circuit detection module and the processor; the PHY chip is respectively connected with the program-controlled power supply module, the current acquisition module, the open-circuit short-circuit detection module, and the processor; the communication interface is connected with the PHY chip; and the system power supply is used for providing power for all modules. After the data acquisition apparatus is connected with a PC and upper-layer software is used, open-circuit and short-circuit detection, working / standby current detection, and fingerprint module group image data acquisition are carried out on the fingerprint module group. Therefore, the fingerprint module group manufacture can detect a fingerprint module group conveniently.
Owner:SHENZHEN DOTHINKEY TECH
Novel single-fiber bidirectional photoelectric conversion device without insertion core and integrated base thereof
The embodiment of the invention discloses a novel single-fiber bidirectional photoelectric conversion device without an insertion core. The single-fiber bidirectional photoelectric conversion device comprises a laser, a detector, a die base, an optical filter, a ceramic sleeve and an integrated base. An insertion core adapter is integrated into the integrated base, and compared with traditional single-fiber bidirectional photoelectric conversion devices, the novel single-fiber bidirectional photoelectric conversion device has the advantages that the technical process, material cost and labor hour cost of separately manufacturing the insertion core adapter are reduced. Moreover, a laser lap joint mode of the insertion core adapter and the base is changed into an integrated molding mode, deformation, gaps and unstable factors easily generated at the laser welding part are avoided, and the stability and reliability are effectively improved. In addition, the outer end face of a laser connector has a predetermined inclination angle, and the problem can be solved that partial light emitted by the laser and / or light of an insertion core end of an optical fiber connector of an insertion device is directly emitted into the laser, so that the performance of the laser is deteriorated, and the optical transmission is affected; the device can be comparable to a device with the insertion core and meet data transmission requirements.
Owner:深圳市光兴创科技有限公司
Data caching architecture applied in local side of Ethernet passive optical network (EPON) system
InactiveCN102012868AMeet data transfer requirementsGood effectMemory adressing/allocation/relocationStatic random-access memoryHigh bandwidth
The invention discloses a data caching architecture applied in a local side of an Ethernet passive optical network (EPON) system, which provides a flexible data caching architecture by the following steps of combining an external synchronous dynamic random access memory (SDRAM) and an internal static random access memory (SRAM); adopting flexible dynamic adaptation data service grades; and utilizing a strategy capable of allocating the cache capacity for each service grade, and partioning the data caching into multiple blocks through using a certain byte as a unit. The data caching architecture is applied in the chip development process of an optical line terminal (OLT), and has satisfied effect and high bandwidth utilization rate after actual operation tests, and can meet the EPON system data transmission requirements; and proven by the tests, the uplink total bandwidth can reach no less than 980Mbps when the random length of a frame is transmitted and the frame is portioned into 8 service priority grades.
Owner:杭州开鼎科技有限公司
Streaming data server, streaming media transmission method and data transmission system
ActiveCN102571617BRealize unified accessSave on Computing Hardware RequirementsData switching networksData streamData acquisition
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
Hexadecimal encoding and decoding method and device for ultrasonic communication
ActiveCN108075837BRealize transmissionMeet data transfer requirementsSonic/ultrasonic/infrasonic transmissionComputer hardwareCoding decoding
The invention discloses a hexadecimal encoding and decoding method and device for ultrasonic communication, wherein the hexadecimal encoding method for ultrasonic communication includes the following steps: S11, converting the acquired data to be transmitted into a hexadecimal code ; S12. According to the preset ultrasonic communication encoding and decoding format, the converted hexadecimal code is encoded and modulated to generate the ultrasonic signal data waveform to be sent out; wherein, the ultrasonic communication encoding and decoding format is: corresponding to 16 decimals The hexadecimal metadata sets 16 encoding sequences, and each encoding sequence is composed of N segments of ultrasonic signals sent in sequence. The frequencies of the N segments of ultrasonic signals are different from each other, and the first segment of ultrasonic waves of different hexadecimal metadata The signals are the same data header signal, and the last N-1 segment ultrasonic signals of different hexadecimal metadata are N-1 segment content signals with different arrangement and combination sequences. The technical scheme of the invention can meet the data transmission requirement when there are too many types of data.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
Data transmission module with protection function
InactiveCN111526026ASave spaceHigh mechanical strengthTransformers/reacts mounting/support/suspensionData switching detailsEpoxyOvervoltage
The invention discloses a data transmission module with a protection function, and belongs to the technical field of data transmission devices in mobile communication equipment. The module comprises an isolation transformer, a semiconductor device, a PCB for fixing the semiconductor device and a shell, the isolation transformer is mounted at a wiring end of the shell, a plated-through hole is reserved in the PCB, and the wiring end is welded and fixed with the plated-through hole. The data transmission module provided by the invention has relatively high security, can cope with surge, overvoltage, ESD and other interferences, saves circuit space, optimizes user circuit scheme design, employs epoxy resin for filling and fixing, enables a product to have good mechanical strength and sealingperformance, can satisfy vibration, impact, sealing, moisture resistance, salt spray and other test conditions, and has high reliability, safety and environmental adaptability.
Owner:ZHUZHOU RIWANG ELECTRONICS TECH
A Radar Refined Ranging Method
ActiveCN109581347BThe amount of data for ranging to achieve high sampling rateIncrease sampling rateRadio wave reradiation/reflectionRadar signal processingRadio frequency
The invention relates to a radar refinement ranging method, and belongs to the technical field of radar signal processing. The ranging signal processing flow of the method comprises the following steps: radio frequency sampling, mixing and filtering, low-sampling frequency re-sampling, speed measurement and distance compensation, pulse pressure and interpolation, filtering and distance compensation. Under the premise of not improving the waveform design difficulty and higher hardware design requirements, the data transmission rate is high, the distance measurement accuracy is improved, the radar working performance is improved, and the radar production cost is reduced. The method solves the problems that the existing ranging mode is only used for sampling once, resulting in large samplingdata amount, increased waveform design difficulty when the signal bandwidth is increased, increased data amount, and difficult requirement meeting of the data transmission rate, and that the signal processing is rough, and if requiring increased signal bandwidth, improved data transmission rate and ranging accuracy, higher standard waveform design and hardware design support are requested, and higher requirements for corresponding sampling and data processing chips are also requested, resulting in difficulty in design and fabrication, and increased equipment cost.
Owner:JINGZHOU NANHU MACHINERY CO LTD
Data caching architecture applied in local side of Ethernet passive optical network (EPON) system
InactiveCN102012868BMeet data transfer requirementsGood effectMemory adressing/allocation/relocationStatic random-access memoryHigh bandwidth
Owner:杭州开鼎科技有限公司
A vehicle monitoring terminal and its remote monitoring method and system
The invention discloses a remote monitoring method and system of a vehicle-mounted monitoring terminal, and a vehicle-mounted monitoring terminal. The method includes: obtaining sampling original messages of each preset device in an electric vehicle; Perform analysis to obtain the signal output value; according to the preset national standard specification requirements, the signal output value is packaged to obtain the standardized data packet; the wireless communication device in the electric vehicle is used to send the standardized data packet to the server; the present invention is based on Preset the requirements of the national standard specification, perform grouping operation on the signal output value, get the specification data packet, and output the specification data packet conforming to the national standard format; so when the wireless communication equipment in the electric vehicle is used to send the specification data packet to the server, It can unify the communication standards between the vehicle-mounted monitoring terminal and the remote service platform, so that the data transmission of the vehicle-mounted monitoring terminal meets the national standard, and improves the national standard compliance detection and self-inspection pass rate.
Owner:深蓝汽车科技有限公司
A fingerprint module data acquisition device
ActiveCN107153814BEasy to detectMeet data transfer requirementsPrint image acquisitionElectric digital data processingCommunication interfaceControl power
Owner:SHENZHEN DOTHINKEY TECH
Multi-type information transmission device adaptive to optical fiber network
PendingCN114050890AReduce difficultyImprove connection reliabilityFibre transmissionForward error control useCode moduleInformation transmission
The invention relates to a multi-type information transmission device adaptive to an optical fiber network, belongs to the technical field of data transmission, and is used for solving the problem that the real-time performance and reliability requirements of data transmission based on the optical fiber network cannot be met in the prior art. The device comprises a plurality of types of data sending ports, a data receiving port, a coding module, a decoding module and an optical fiber receiving and transmitting integrated module, the input end of each type of data sending port is connected with the signal output end of the corresponding type of test equipment, and the output end of each type of data sending port is connected with the input end of the coding module; the input end of each type of data receiving port is connected with the output end of the decoding module, and the output end of each type of data receiving port is connected with the signal input end of the corresponding type of test equipment; the data input end of the optical fiber transceiving integrated module is connected with the output end of the encoding module, the data output end of the optical fiber transceiving integrated module is connected with the input end of the decoding module, and an optical fiber interface is connected with an optical fiber network.
Owner:BEIJING RES INST OF MECHANICAL & ELECTRICAL TECH
Data transmission method and data transmission system
ActiveCN111193574AMeet the requirements for two-way communicationMeet data transfer requirementsData switching networksHigh level techniquesData packEngineering
The invention discloses a data transmission method and a data transmission system. The data transmission method comprises the following steps: receiving a data packet; obtaining a first data total packet or a first data sub-packet according to the type of the data packet; and obtaining a second data sub-package or a plurality of third data sub-packages according to the identifier of the first datatotal package, or obtaining the second data total package or the third data total package according to the first data sub-package. According to the data transmission method provided by the invention,the long data packets can be split or the data sub-packets can be packaged according to the types of the data packets. Therefore, the requirement of two-way communication can be met, and meanwhile, the data packets can be unpacked according to the types and the lengths of the data packets, so that the data packets can meet the data transmission requirement under specific conditions.
Owner:西安翔腾微电子科技有限公司
Optical fiber network system based on multiple types of test equipment
ActiveCN114070405AReduce design difficultyAvoid direct accessBidirectional transmissionInformation transmissionEngineering
The invention relates to an optical fiber network system based on multi-type test equipment, belongs to the technical field of optical fiber network design, and solves the problems that the optical fiber network system based on the multi-type test equipment is high in design difficulty and poor in data transmission timeliness. The system comprises an optical fiber interface board, a multi-type information transmission device, a plurality of types of test equipment and an upper computer, wherein the plurality of optical fiber interface boards are connected according to a network topology architecture of an optical fiber network; each optical fiber interface board is connected with one or more multi-type information transmission devices, and each multi-type information transmission device is connected with one or more types of test equipment; any optical fiber interface board is selected to be connected with the upper computer; therefore, the optical fiber network system is formed.
Owner:BEIJING RES INST OF MECHANICAL & ELECTRICAL TECH
Monitoring method and device
InactiveCN103368763BReduce power consumptionMeet data transfer requirementsData switching networksTime informationTerminal equipment
The invention discloses a monitoring control method and device. The method includes: a local terminal device acquiring a second timer generated by a first timer which is indicated by timing information included in a first message sent by an opposite-end terminal device and the first timer is used for controlling the opposite-end terminal device to be forbidden to send data to the local terminal device in a first timing period; the local terminal device starting the second timer and entering a dormant state; and the local terminal device ending the dormant state and monitoring the PDCCH when a second timing period of the second timer arrives. In the monitoring control method and device, the local terminal device can be woken up according to the second timer in a targeted way to receive the data transmitted by the opposite-end terminal device. Because the local terminal device does not need to monitor channels blindly, requirements for data transmission are met and at the same time, power consumption of the local terminal device is reduced.
Owner:HUAWEI TECH CO LTD
Capacitance-based PCB (Printed Circuit Board) for improving integrity of cross-segmentation signal and layout method thereof
PendingCN114302554AImproving High-Speed Signal Integrity IssuesShorten return pathPrinted circuit detailsPrinted element electric connection formationCapacitanceControl theory
The invention relates to a PCB (Printed Circuit Board) for improving the integrity of a cross-segmentation signal based on a capacitor and a layout method thereof, at least one high-speed transmission signal line is arranged on the PCB, and the high-speed transmission signal line refers to different power supply planes; according to the layout method, two capacitor banks are additionally arranged on the top layer (or the bottom layer) of the PCB, each capacitor bank comprises N capacitors with capacitance values gradually increased from small to large, and the capacitance value of each capacitor is M times of the capacitance value of the previous capacitor. Therefore, according to the design scheme, a backflow path of a high-speed signal can be reduced, impedance abrupt change of the transmission line can be effectively controlled, the integrity of the transmission signal is improved, and stable and reliable data transmission of a link is ensured.
Owner:SHANGHAI NCATEST TECH CO LTD
Data punching method and equipment
ActiveCN110190934AIncrease punch rateHigh flexibility in lengthError preventionPunchingProcessor register
The invention is applicable to the technical field of computers, and provides a data punching method and equipment, and the method comprises the steps: removing redundant data in encoded first data tobe punched, and obtaining first effective data; combining the first valid data with the historical valid data to obtain second valid data, and storing the second valid data in a preset register; intercepting target data from the second valid data and outputting the target data based on a starting position of intercepting the data from a preset register and a target bit width value occupied by thetarget data to be intercepted; and updating the initial position based on the target bit width value. According to the embodiment of the invention, redundant data in the encoded data are removed, thedata are recombined into a target data format meeting the output requirement and are output, and multi-bit parallel punching is realized through a mode of simultaneously processing multi-bit information, so that the data transmission rate is improved.
Owner:TP-LINK
Method and device for distributing transmission resource for mobile station
InactiveCN101296474BMeet data transfer requirementsTransmissionWireless communicationCurrent cellControl channel
The invention provides a method for allocating and transmitting resources for a mobile station. The method comprises the following steps: a notification message is transmitted to the mobile station which is in an idle state on a control channel; according to the received notification message, the mobile station utilizes wireless resource allocated by cells to transmit downstream data. When the current cell has no sufficient resource to allocate to the mobile station, by the technical proposal provided by the embodiment of the invention, a proper cell can be chosen to allocate resource for themobile station according to a measuring report, and the mobile station is notified to access to a target cell in a dynamic way and to receive the downstream data through transmitting grouping shifting command to the mobile station on public control channel or grouping public control channel, thus better meeting the request for data transmission of a user.
Owner:HUAWEI TECH CO LTD
Parameter data server, parameter data transmission method and data transmission system
ActiveCN102611625BEasy accessMeet data transfer requirementsData switching networksData acquisitionInterface standard
The invention discloses a parameter data server which comprises a data receiving module, a pre-processing module, a standard data output module and a data pool; the data receiving module is used for receiving parameter data and caching the same to a receiving buffer, and then the pre-processing module is started; the pre-processing module is used for analyzing the parameter data which is cached in the receiving buffer, and writing the parameter data into the data pool in a queue data structure; and the standard data output module is used for sequentially outputting the parameter data in the queue data structure in the data pool according to the standard of an object linking and embedding for process control (OPC) interface. The invention also discloses a parameter data transmission method and a data transmission system. According to the invention, multiple types of serial parameter data acquisition equipment can be accessed to a client terminal conveniently.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
CRC segmented calculation method and device in high-speed network
PendingCN114679239AMeet data transfer requirementsQuick calculationError preventionData packConcurrent computation
The invention relates to a CRC segmented calculation method and device in a high-speed network. The method comprises the following steps: partitioning a data packet of a to-be-calculated CRC value in the network to obtain M to-be-calculated data blocks arranged according to a data sequence; calculating the CRC value of each data block to be calculated; adopting the CRC final value of the previous data block as the CRC initial value of the current data block; taking the final value of the last data block as the CRC value of the data packet; and when the CRC calculation of the current data block is carried out, combining the CRC initial value of the current data block, and adopting N CRC calculation units to carry out parallel calculation to obtain the CRC final value of the current data block. According to the invention, the CRC value of the large-scale data packet can be quickly calculated in real time so as to meet the bandwidth requirement of a high-speed network.
Owner:北京诺芮集成电路设计有限公司
Method and device for data punching
The present invention is applicable to the field of computer technology, and provides a data punching method and device. The method includes: when the encoded first data to be punched is obtained, redundant data in the first data is removed to obtain the second One valid data; combine the first valid data with the historical valid data to obtain the second valid data, and store the second valid data in the preset register; based on the initial position of intercepting the data from the preset register and the The target bit width value occupied by the target data, intercepting the target data from the second valid data and outputting it; updating the starting position based on the target bit width value. In the embodiment of the present invention, the redundant data in the encoded data is removed, reorganized into a target data format that meets the output requirements and output, and by processing multiple bits of information at the same time, multi-bit parallel punching is realized, which improves the data transfer rate.
Owner:TP-LINK
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