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43results about How to "Solve the low efficiency of data transmission" patented technology
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Data buffer of high-speed data exchange interface and data buffer control method thereof
InactiveCN101667451AIncrease flexibilityStorage status detailsDigital storageTransformation unitData link layer
The invention discloses a data buffer of a high-speed data exchange interface and a data buffer control method thereof. The data buffer comprises a data storage unit, a buffer read-write control unit,a state register and a bit width conversion unit, wherein the data storage unit is used for buffering data among asynchronous clock zones; the buffer read-write control unit is used for controlling the read and write operations of the data buffer unit; the state register is used for controlling the exchange with the buffer read-write control unit and the state information; and the bit width conversion unit is used for carrying out bit width conversion when the bit width of the data storage unit and the bit width of a bus are different. The data buffer control process is achieved as follows: transmitting a read-write instruction to the buffer read-write control unit by a pack processing engine in a mode of facing to a unit; saving the storage state of the buffer by a transmitting mark state register; controlling the data transmission by buffer data; and realizing ordered data transmission by a self-increasing pointer. The invention has the advantages of strong control flexibility and high data transmission efficiency, and is used for multiport high-speed data exchange of a network processor and data link layer equipment.
Owner:XIDIAN UNIV
Dynamic network load balancing method and system
InactiveUS20050169294A1Solve the low efficiency of data transmissionGuaranteed normal transmissionNetwork traffic/resource managementTime-division multiplexData transmissionSystem dynamics
Dynamic network load balancing method and system are applicable to a wireless communication network. A channel-detecting module detects channels that provide wireless communications between network stations and a plurality of access points. A signal-sending module sends a probing data packet to each of the access points in a predetermined period via the channels detected by the channel-detecting module. A signal-receiving module receives a response data packet from each of the access points after receiving the probing data packets. A load-judging module calculates a response time between sending the probing data packet by the signal-sending module and receiving the response data packet by the signal-receiving module. A channel-selecting module selects a channel with the shortest response time for data transmission based on the response time for each of the channels calculated by the load-judging module. The channel-selecting module also can switch channels according to a predetermined threshold value for switching.
Owner:RDC SEMICON CO LTD
Guard interval length control method in OFDM system and OFDM transmitting and receiving apparatuses
ActiveUS7336598B2Solve the low efficiency of data transmissionImprove efficiencySecret communicationMulti-frequency code systemsGuard intervalEngineering
A guard interval length determining apparatus in an OFDM (orthogonal frequency division multiplexing) system, includes a signal supply section and a guard interval length determining section. The signal supply section outputs a reception signal and a delayed reception signal obtained by delaying the reception signal by an effective symbol length. The guard interval length determining section adaptively determines a final guard interval section length from the reception signal and the delayed reception signal.
Owner:NEC CORP
Data Processing Method for Network Layer
InactiveUS20080259956A1Solve the low efficiency of data transmissionImprove efficiencyTime-division multiplexHome automation networksNetworked systemNetwork control
The present invention discloses a data processing method for network layer in a home network system (1) based on a living network control protocol. The data processing method for network layer based on a protocol, that is composed of at least a physical layer, a data link layer, a network and an application layer, includes the steps of: receiving a message sending primitive (MsgSend) in application layer protocol data unit (APDU) frp, the application layer; according to the message sending primitive (MsgSend), generating a communication cycle description; according to the message sending primitive (MsgSend) and / or the communication cycle description, generating a packet sending primitive (PktSend) in network layer protocol data unit (NPDU); and transmitting the packet sending primitive (PktSend) to the data link layer.
Owner:LG ELECTRONICS INC
Synchronization method and synchronization apparatus of communication system
ActiveUS20100309929A1Reduce sync delaySolve the low efficiency of data transmissionSynchronisation arrangementTime-division multiplexCommunications systemResource utilization
The present invention discloses a method and an apparatus for synchronization in a communication system, the method includes: detecting whether a user equipment is in an uplink out-of-synchronization state; triggering, by a downlink scheduling entity, an uplink enhanced random access synchronization process, if the user equipment is in the uplink out-of-synchronization state; and obtaining, by an uplink scheduling entity, a user equipment identifier sent by the user equipment on which the uplink enhanced random access synchronization process is triggered, and informing the downlink scheduling entity via an interaction with the downlink scheduling entity that uplink synchronization of the user equipment is restored. By employing the method and the apparatus of the invention, the uplink synchronization is accomplished by using the existing enhanced random access technology of the current system and via the interaction between the uplink and downlink scheduling entities, the delay of the synchronization may be shortened effectively, the data transmission efficiency and the system resource utilization are improved, and the normal sending and transmitting of the downlink data may be guaranteed.
Owner:XIAOMI INC
A Spaceborne Ionospheric Scintillation Monitoring Device Using GPS Signal Phase Change
ActiveCN106134462BImproving global coverage of phase scintillation monitoringSpeed up flicker detectionRadiation intensity measurementAtmosphericsGps satellites
A space-borne ionospheric scintillation monitoring device utilizing GPS signal phase changes, including navigation and positioning channels, ionospheric monitoring channels, navigation and positioning data processors, ionospheric monitoring data processors and high-stable crystal oscillators, positioning receiving antennas and ionospheric Antennas for satellite positioning and ionospheric scintillation monitoring, data processing of navigation signals received by GPS satellite navigation receivers to obtain ionospheric scintillation detection parameters, obtain ionospheric distribution, and improve ionospheric scintillation and disturbance detection levels. The device can make full use of the global coverage and continuous uninterrupted characteristics of GPS satellite navigation signals to improve the monitoring ability of the atmospheric ionosphere. Atmospheric ionospheric scintillation monitoring real-time and global coverage.
Owner:BEIJING RES INST OF TELEMETRY
Data transmission method and system
ActiveCN106713415ASimple structureImprove general performanceTransmissionPhysical layerStructure of Management Information
The embodiment of the invention provides a data transmission method and system and is applied to the technical field of communications. The method comprises the steps of acquiring application data by a first virtual network card, wherein pieces of the application data are multiple pieces of data with different lengths; segmenting or splicing the application data to obtain data to be sent, which is correspondingly matched with a physical channel; and forwarding the data to be sent to a physical layer of a sending end, and sending the data to be sent to a physical layer of a receiving end from the physical layer of the sending end. The data to be sent, which is obtained by segmenting or splicing the application data, is directly sent to the physical layer of the receiving end from the physical layer of the sending end without being subjected to processing similar with scheduling of a MAC (Media Access Control) layer in a conventional data transmission system, so that a data transmission structure is simplified, and thus, data transmission complexity is low.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Data transmission method and data transmission device
ActiveCN102143185AEfficient conversionImprove system performance and bandwidth utilizationSecuring communicationAvionics Full-Duplex Switched EthernetData transmission circuit
The invention provides a data transmission method and a data transmission device, and is used for solving the problem of low efficiency of data transmission between devices which respectively use ARINC (Aeronautical Radio, Incorporated) 429 Protocol and AFDX (AFDX Avionics Full-Duplex Switched Ethernet) Protocol in the prior art. The method comprises the following steps: receiving data frame(s) in a first format; adding net load data and a transmission destination identification thereof in the data frame(s) in the first format into data frame(s) in a second format; and transmitting the data frame(s) in the second format. The technical scheme provided by the invention is beneficial to solving the problem of low efficiency of data transmission between devices which respectively use ARINC 429 Protocol and AFDX Protocol, thereby implementing efficient conversion of aviation electronic data, enhancing the system performance and increasing the utilization ratio of the bandwidth.
Owner:BEIJING JINGWEI HIRAIN TECH CO INC
Data sending method and device, data receiving method and device, ONU (Optical Network Unit) and OLT (Optical Line Terminal)
ActiveCN108023835ASolve the low efficiency of data transmissionData switching networksOptical network unitDistributed computing
The embodiment of the invention provides a data sending method and device, a data receiving method and device, an OLT (Optical Line Terminal) and an ONU (Optical Network Unit). The data sending methodcomprises the steps that the ONU fragments to-be-sent data which needs to be sent on a plurality of channels bound with the ONU, thereby acquiring a plurality of pieces of fragmented data; the ONU distributes the plurality of pieces of fragmented data to the plurality of channels according to uplink bandwidths allocated to the plurality of channels by the OLT, wherein the uplink bandwidths are the bandwidths allocated to the plurality of channels by the OLT according to the total data quantity of the to-be-sent data of the ONU; and the ONU sends the plurality of pieces of fragmented data to the OLT through the plurality of channels.
Owner:ZTE CORP
Transmitter of multimedia data
ActiveUS20100260502A1Solve the real problemSolve the low efficiency of data transmissionOptical transmission adaptationsMultiple digital computer combinationsDigital signal processingControl signal
Disclosed is a multimedia data transmitter that can transmit multimedia data such as image, voice and control signal whose media are different from each other through an optical transmission medium such as plastic or glass optical cables to a short or long distance area. The multimedia data transmitter includes: a digital signal processing logic, converting multimedia data transmitted in different transmission formats into data of a single transmission format, converting parallel image data into serial image data; an interface control logic, generating a control signal for transmission of the data converted by the digital signal processing logic, interfacing interface data; an optical driver, performing optical transmission of the serial data generated by the digital signal processing logic according to the control signal generated by the interface control logic, processing an optical-to-electrical converted signal.
Owner:YOON KYUNG WON
A Spaceborne Ionospheric Amplitude Scintillation Monitoring Device
ActiveCN106134461BSpeed up flicker detectionImprove global coverageRadio transmissionRadiation intensity measurementIonospheric soundingData treatment
The invention relates to a space-borne ionospheric amplitude scintillation monitoring device. The device adopts a dual-frequency GPS satellite navigation receiver mounted on a low-orbit satellite, and uses the GPS receiver to perform satellite precise orbit determination and ionospheric scintillation monitoring. The navigation signal received by the satellite navigation receiver is processed to obtain the ionospheric amplitude scintillation detection parameters, obtain the ionospheric distribution, and improve the ionospheric scintillation and disturbance detection level. The device can make full use of GPS satellite navigation signals with global coverage and continuous Uninterrupted characteristics, improve the ability of atmospheric ionospheric monitoring data processing, the device can also take advantage of the fast flight speed of low-orbit satellites, achieve the purpose of short global ionospheric detection time, and improve the real-time performance of atmospheric ionospheric amplitude scintillation monitoring and global coverage.
Owner:BEIJING RES INST OF TELEMETRY
Data processing method and device and electronic equipment
ActiveCN108255428AImprove efficiencyShorten the timeInput/output to record carriersComputer hardware
Owner:LENOVO (BEIJING) CO LTD
Information transmission method and device based on articulated naturality web
ActiveCN110392044AImprove efficiencyEnsure safetyKey distribution for secure communicationComputer hardwareInformation transmission
The embodiment of the invention provides a data transmission method and device based on an articulated naturality web, a computer readable storage medium and electronic equipment. The articulated naturality web is further connected to the Internet through a streaming media protocol conversion server, wherein the Internet comprises a plurality of Internet terminals, and the articulated naturality web comprises an articulated naturality web server and a plurality of articulated naturality web terminals. The method comprises the steps of a streaming media protocol conversion server receiving datainformation sent by a plurality of Internet terminals through IOCP; utilizing each encryption and decryption module coupled in the IOCP to respectively read a data identification bit from a socket included in each piece of data information, and respectively encrypting or decrypting each original data packet according to each data identification bit; and respectively packaging the encrypted or decrypted original data packets into articulated naturality web data packets conforming to an articulated naturality web protocol, and sending the articulated naturality web data packets to an articulated naturality web server through the IOCP. According to the invention, the data is encrypted and decrypted in parallel, so that the safe transmission speed of the data is improved on the whole.
Owner:VISIONVERA INFORMATION TECH CO LTD
CPE system-based data transmission method, terminal and computer readable storage medium
ActiveCN112469006ARealize dynamic adjustmentSolve the low efficiency of data transmissionNetwork traffic/resource managementData switching networksStream dataEngineering
The invention discloses a CPE system-based data transmission method and device, and a computer readable storage medium, the data transmission method is applied to a CPE device, the CPE device accessesa base station through a 5G cellular network, the CPE device is connected with other CPE devices through D2D networking, and a plurality of communication devices are in communication connection withthe CPE device; the data transmission method comprises the following steps: acquiring code stream data of communication devices, putting the code stream data into a sending queue, and recording sending rate information of the communication devices; under the condition that the to-be-sent code stream data exists in the sending queue, monitoring whether the sending queue has an idle position or not;if not, obtaining residual bandwidth information of other CPE devices; and forwarding part of the to-be-sent code stream data to the base station through the target CPE of which the residual bandwidth is greater than the residual bandwidth of the target CPE. According to the scheme, dynamic adjustment of the access communication equipment can be realized, and the data sending efficiency of the whole CPE system is improved.
Owner:ZHEJIANG DAHUA TECH CO LTD
Data transmission control method and apparatus, and terminal
ActiveUS20190349875A1Improve channel utilizationSolve the low efficiency of data transmissionSynchronisation arrangementNetwork topologiesBroadcastingData transmission
A data transmission control method and apparatus, and a terminal are disclosed. The method includes: performing, by a master terminal, a timing negotiation with respective slave terminals to obtain timings allocated to the respective slave terminals; sending, upon completion of timing allocation, interactive data by means of broadcasting, the interactive data being sent to the slave terminals; receiving responses of the respective slave terminals to the received interactive data according to the allocated corresponding timings; and acknowledging, using the received responses, completion of transmission of the interactive data to the slave terminals. The data transmission control method and apparatus and the terminal can be used to improve data transmission efficiency and channel utilization.
Owner:AUTEL UNITED CREATION SOFTWARE DEV CO LTD +1
Storage device with read-write conflict prevention function
PendingCN111221754AImprove performanceImprove data transmission efficiencyElectric digital data processingComputer hardwareEngineering
The invention discloses a storage device with a read-write conflict prevention function. The device comprises an interface module and a storage module, the interface module comprises two independent ports. The two ports share the storage module; the storage device further comprises a configuration module and an arbitration module. The storage module comprises a plurality of storage partitions; each storage partition is independently configured with a base address, a capacity and an attribute; the configuration module is connected with an external host; the external host configures base addresses, capacities and attributes of the storage partitions through the configuration modules, and the arbitration module performs arbitration to gate a read operation or write operation according to thepartition attributes when two ports perform read-write operation on the same partition at the same time based on the partitions of the storage module and the attribute configuration of the partitions.The read-write priority is judged through the arbitration module, parallel operation of the dual-port memory is supported, the access speed of the memory is increased, and influence of read-write conflict on system operation is eliminated.
Owner:SHANDONG SINOCHIP SEMICON
Data transmission method and terminal equipment
ActiveCN107786308AFast uploadReduce upload requirementsError prevention/detection by using return channelOther databases indexingTerminal equipmentComputer terminal
The invention is applicable to the technical field of data processing, and provides a data transmission method and terminal equipment. The method includes the following steps: acquiring service data to be uploaded sent by multiple mechanisms; separately verifying whether the service data to be uploaded is complete; acquiring a service identifier carried in the service data to be uploaded of the mechanism with complete verified data; performing first grouping on the service data to be uploaded of the mechanism with the complete verified data according to the service identifier; determining thesize of the service data to be uploaded, and acquiring the size of the data of each group after being subjected to first grouping; performing second grouping on grouping results obtained through the first grouping according to the size of the data of each group after being subjected to the first grouping and the transmission size of a predetermined set of data; and uploading the service data to beuploaded of the mechanism with the complete verified data to the system according to the grouping results of the second grouping. Thereby, the data uploading can be rapidly completed, and the problemthat data transmission is performed through a serial communication mode and a low data transmission efficiency is caused in the prior art can be solved.
Owner:PING AN TECH (SHENZHEN) CO LTD
Data writing method and device based on solid state disk device and equipment
InactiveCN110309015AAvoid lossStable storageRedundant operation error correctionMemory systemsData synchronizationDisk controller
The invention discloses a data writing method and device based on a solid state disk device, and equipment. The method comprises the following steps: the host sends the data to the solid state disk controller; and the solid state disk controller controls a single-layer storage buffer which writes the data into a flash memory. When the host is idle, the solid state disk controller controls to readthe cache data in the single-layer storage buffer in the flash memory to the random access memory in the flash memory, controls the cached data to be synchronously read to the ferroelectric memory, controls the cached data to be mapped to the data memory in the flash memory, and controls the data in the ferroelectric memory to be rewritten to the flash memory after being powered on again when thesolid state disk controller is powered off. Through the mode, when the power failure condition occurs, data loss can be avoided, and stable data storage is guaranteed.
Owner:SHENZHEN DEMINGLI ELECTRONICS
Optical fiber coupled connector
InactiveCN102253456AImprove the efficiency of data transmissionImprove efficiencyCoupling light guidesLensEngineeringOptical fiber transmission
The invention provides an optical fiber coupled connector which comprises two lenses for coupling optical signals transmitted by an optical fiber, wherein the diameter of the optical fiber is 62.5-100 microns, the distance between the two lenses is 0.5-0.95 mm, and the curvature radiuses of the two lenses are 0.3579-0.3898 mm. By using the optical fiber coupled connector provided by the invention, the value of insertion loss can not be more than -2 dB, thereby improving the efficiency of data transmission.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
Data transmission device and method based on SRIO
ActiveCN112214429ASupport accessSimple and flexible configurationElectric digital data processingEngineeringData transmission
The invention provides a data transmission device and method based on SRIO, and the device comprises a packet analysis module which is used for analyzing a packet received by an xilinx SRIO IP core, separating packet header information and packet data information, and respectively transmitting the packet header information and the packet data information to a command queue and a data queue; an information extraction module used for acquiring packet header information of a packet in the command queue, extracting an SRIO address, the size of the packet and the type of the packet, and initiatingan SRIO address matching request; an ATMU module used for putting DDR cache resources obtained by applying to the processor into a resource queue, comparing an SRIO address in the packet header information with an SRIO destination address, and sending effective DDR resources obtained by the packet to a DMA queue; and a DMA module used for reading DMA descriptors in a DMA queue, reading the data from the DDR resources for the NRead packets, carrying the data to the data queue, and reading the data from the data queue and carrying the data to the DDR resources for the NWrite. Based on the scheme, data transmission in a multi-user multi-window mode can be supported, and the data transmission efficiency is improved.
Owner:武汉汇迪森信息技术有限公司
Secure transmission optimization method and device for narrow-band network
The invention discloses a secure transmission optimization method and device for a narrow-band network and relates to the network communication technology. By the adoption of the optimization method and device, the speed of the narrow-band network can be increased. The secure transmission optimization method for the narrow-band network is characterized by comprising the steps that data to be sent are lengthened and divided into blocks through a sending end, a data recovery script is generated, the repeated data blocks are deleted, and the data blocks left after the repeated data blocks are deleted are stored in a local lengthened data block library; the sending end sends the data recovery script to a receiving end, and the receiving end analyzes the script and determines whether a local data block library at the receiving end is lacking in data blocks used for recovering the sent data; the receiving end sends the information of the absent data blocks back to the sending end; the sending end sends the corresponding data blocks to the receiving end according to the information fed back by the receiving end; the received data blocks are stored in the local lengthened data block library at the receiving end after being received by the receiving end; local generation of data is completed by the receiving end through the data recovery script and the local lengthened data block library, and then all the data needing to be sent by the sending end are obtained.
Owner:NO 30 INST OF CHINA ELECTRONIC TECH GRP CORP
Data transmission method and device, computer equipment and computer readable storage medium
PendingCN112383386AReduce energy consumptionImprove detection efficiencyCriteria allocationPilot signal allocationData transmissionEnergy consumption
The invention discloses a data transmission method and device, computer equipment and a computer readable storage medium, and belongs to the technical field of networks. According to the invention, when first node equipment determines that the message transmission satisfies the first target condition, the data length of the preamble applied when the next message is sent is reduced, so that the time consumption of sending the preamble by the first node equipment is reduced, the equipment energy consumption of the first node equipment is reduced, and the data sending efficiency of the first nodeequipment can also be improved; the occupation of channel resources is reduced, and when the message transmission satisfies the second target condition, the second node device can reduce the time consumption for detecting the lead code next time, thereby improving the detection efficiency of the lead code, and reducing the equipment energy consumption of the second node equipment.
Owner:TENCENT TECH (SHENZHEN) CO LTD
A method and device for information transmission based on video networking
ActiveCN110392044BImprove efficiencyEnsure safetyKey distribution for secure communicationData packOriginal data
The embodiment of the present invention provides a data transmission method and device based on the Internet of View, as well as computer-readable storage media and electronic equipment, the Internet of View is also connected to the Internet via a streaming media co-translation server; the Internet includes a plurality of Internet terminals , the video network includes a video network server and a plurality of video network terminals; including: the streaming media co-transfer server receives the data information sent by multiple Internet terminals through the IOCP; utilizes the encryption and decryption modules coupled in the IOCP, respectively from each data information The included socket reads out the data identification bit, and encrypts or decrypts each of the original data packets according to each of the data identification bits; respectively encapsulates each original data packet after encryption or decryption into a The Internet of View data packets of the networking protocol, and send each Internet of View data packet to the Internet of View server through the IOCP. The invention further improves the safe transmission speed of the data as a whole by performing parallel encryption and decryption on the data.
Owner:VISIONVERA INFORMATION TECH CO LTD
Acceleration processing method for autonomously outputting NVME protocol command
PendingCN111831226AHigh bandwidthImprove efficiencyInput/output to record carriersTime delaysMemory cell
The invention discloses an acceleration processing method for autonomously outputting an NVME protocol command. According to the method, one or more data tight coupling memory units DTCM are integrated in a CPU of an NVME subsystem; an AXI MASTER interface is added to an NVME controller, the AXI MASTER interface is accessed to an AXI bus, and an address access space is a DTCM address in a CPU; theNVME controller writes an NVME command into the DTCM through an AXI MASTER interface, and a CPU core in the NVME subsystem directly accesses the DTCM; and the NVME subsystem writes all the commands with different namespace IDs into the corresponding DTCMs according to the namespace IDs. According to the invention, the CPU reading operation frequency is reduced, the time delay is reduced, and theperformance is improved.
Owner:SHANDONG SINOCHIP SEMICON
Data transmission method, data processing method and device
ActiveCN109819274BLow probability of interceptSolve the low efficiency of data transmissionSelective content distributionTransmission protocolData pack
The present invention relates to a data transmission method, data processing method and device, the data transmission is performed between a request responder and a request initiator, the data transmission method is executed by the request responder, and the data transmission method Including: the request responder receives the data transmission request initiated by the request initiator; in response to the data transmission request, obtains the data to be transmitted and sets the separated data; according to the set separated data, the data to be transmitted is Masquerading the header of the data packet to generate a data packet conforming to the specified transmission protocol; sending the data packet conforming to the specified transmission protocol to the request initiator. The efficiency of data transmission can be improved by adopting the data transmission method, data processing method and device provided by the present invention.
Owner:JUHAOKAN TECH CO LTD
Data transmission method and device for bank database
PendingCN113127268AGenerate simple and efficientRealize automatic generationFile/folder operationsSpecial data processing applicationsDatasheetData transport
The invention discloses a data transmission method and device for a bank database, and relates to the technical field of big data, and the method comprises the steps: obtaining configuration parameters of a to-be-exported file from a pre-configured data unloading configuration table; the unloading configuration table being used for representing a corresponding relationship between different files to be exported and different pre-configured configuration parameters; the configuration parameters comprising file export paths and data table identifiers which are in one-to-one correspondence with to-be-exported files; acquiring data from a bank database according to the configuration parameters of the to-be-exported file, and generating the to-be-exported file; and exporting the to-be-exported file according to the file export path corresponding to the to-be-exported file. According to the method, different to-be-exported files can be generated based on the configuration parameters in the unloading configuration table, so that the to-be-exported files are automatically generated and exported, the data transmission efficiency of a bank database is improved, the code redundancy is reduced, and maintenance and management are facilitated.
Owner:BANK OF CHINA
Fire-fighting data transmission method based on LoRa star network polling nested networking
PendingCN111465036ALong transmission distanceResolve collisionNetwork traffic/resource managementNetwork topologiesData transmissionStar network
The invention relates to a fire-fighting data transmission method based on LoRa star network polling nested networking, which comprises the following steps that 1, a fire-fighting gas cylinder end LoRa slave node and a hidden danger point LoRa slave node send data to a receiving end LoRa center node, and the receiving end LoRa center node sends data to a LoRa aggregation total node; 2, the LoRa center node of the receiving end returns confirmation information after receiving the data, and the LoRa aggregation total node returns the confirmation information after receiving the data; (3) whetherthe data volumes of the LoRa slave node at the fire-fighting gas cylinder end and the LoRa slave node at the hidden danger point reach the upper limit n of the system slave node or not is judged; andwhether the data volume of the LoRa center node of the receiving end reaches the upper limit n of the LoRa center node of the system receiving end or not is judged, if not, the steps 1 and can be circulated 2, and otherwise, one cycle period is ended. According to the invention, fire-fighting data transmission does not need wiring, the transmission distance is long, and the current complex fire-fighting data acquisition environment is adapted.
Owner:ZHEJIANG UNIV OF TECH
System for reducing same-frequency interference
ActiveCN104301004AReduce the impact of call qualityImprove the efficiency of data transmissionTransmitter/receiver shaping networksTD-SCDMAMulti user detection
The invention discloses a system for reducing same-frequency interference, and belongs to the technical field of TD-SCDMA same-frequency interference prevention. The system comprises a calculation module and an adjustment module. The calculation module constructs a mixed matrix according to the code channels, scrambling codes and channelization codes of a corresponding source region and an adjacent region of the same frequency, carries out rank operation on the mixed matrix, and judges a rank operation result of the mixed matrix. The adjustment module adjusts the code channel or training sequence of the corresponding adjacent region of the same frequency according to the judgment result of the calculation module. The method comprises the steps of constructing a mixed matrix according to the code channels, scrambling codes and channelization codes of a corresponding source region and a corresponding adjacent region of the same frequency, carrying out rank operation on the mixed matrix, judging a rank operation result of the mixed matrix, and adjusting the code channel or training sequence of the corresponding adjacent region of the same frequency according to the judgment result in the step 3. According to the technical scheme, the system has the following beneficial effects: the gain of follow-up multi-user detection can be effectively enhanced; the structure is simple; small change is made on the existing hardware equipment; and the cost is low.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
A system for reducing co-channel interference
ActiveCN104301004BReduce the impact of call qualitySolve the low efficiency of data transmissionTransmitter/receiver shaping networksTD-SCDMAMulti user detection
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
Data transmission method and terminal equipment
ActiveCN107786308BFast uploadReduce upload requirementsError prevention/detection by using return channelOther databases indexingTerminal equipmentBusiness data
The invention is applicable to the technical field of data processing, and provides a data transmission method and terminal equipment. The method includes: obtaining the business data to be uploaded sent by multiple institutions; separately checking whether the above-mentioned business data to be uploaded is complete; obtaining the business identification carried in the business data to be uploaded by the organization with complete audit data; The organization's business data to be uploaded is grouped for the first time; the size of the business data to be uploaded is determined, and the data size of each group after the first grouping is obtained; according to the data size of each group after the first grouping and a preset According to the grouping results after the first grouping, the grouping results of the first grouping are grouped according to the size of group data transmission; according to the grouping results of the second grouping, the system for uploading business data to be uploaded by organizations with complete audit data can quickly complete the data upload and solve the problem. Currently, data transmission is performed through serial communication, and the data transmission efficiency is low.
Owner:PING AN TECH (SHENZHEN) CO LTD
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