Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
172results about How to "Guaranteed data transfer" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Control channel transmission method, transmission processing method, communication node and terminal
ActiveCN104349458ASolve technical problems that cannot be sent repeatedlyAccurate receptionTransmission path divisionSignal allocationComputer terminalControl channel
A control channel transmission method, transmission processing method, communication node and terminal communication node, said control channel transmission method comprising: determining, in accordance with predefined information, control channel transmission resources; repeatedly transmitting, multiple times, the control channel on the determined control channel transmission resources; said predefined information includes at least one of the following types of information: control channel repetition number, control channel type, service channel type and service channel start position. The present invention solves a technical problem existing in LTE systems, whereby a down-link control channel is not able to engage in repeated sending, and thus allows a network side, when coverage enhancement is needed, to engage in control channel repeated sending, in order to ensure that a terminal requiring enhanced coverage can correctly receive control information issued by a base station, thus ensuring the corresponding data transmission.
Owner:ZTE CORP
Control channel transmitting method and device, transmitting processing method and device, network side device and terminal
ActiveCN103929266AGuaranteed data transferAccurate receptionSignal allocationMulti-frequency code systemsTelecommunicationsControl channel
The invention provides a control channel transmitting method and device, a transmitting processing method and device, a network side device and a terminal, wherein the transmitting method is applied to the network side device. The method comprises the steps that indicating information for indicating the type of a terminal is obtained; when the terminal type indicated by the indicating information is a first terminal type, the control channel is sent to the terminal of the first terminal type on multiple subframes. By the adoption of the technical scheme, the technical problems that in the relevant technologies, a downlink control channel cannot be sent repeatedly and the like are solved, so that the network side can distinguish the terminal to conduct control channel sending under a low-covering environment so as to guarantee that the terminal which has the demand of covering improvement can receive correctly the control information sent by the base station, and data transmitting of the terminal can be guaranteed.
Owner:ZTE CORP
Multi-node synchronization sampling and data transmission method
ActiveCN101316160AStable delayStable transmission bandwidthElectric signal transmission systemsSynchronising arrangementStart timeTime mark
The invention provides a multi-node synchronous sampling control and data transmission method, the steps are as follows:(1) an overall synchronizer that matches with the upper layer data processing equipment and the process variable acquisition control equipment (DAE) is constructed, the equipment produces an overall synchronous signal S1 by utilizing an outer sync source or a local timer; (2) the overall synchronous signal is accessed to one or more data communication equipment (DCE), which produce a synchronous signal S2 for each accessed process variable acquisition control equipment; (3) the absolute time scale in the signal S1 and the overall sampling counter are utilized to realize the secondary synchronous sampling on the process variable among the data communication equipment; (4) the acquisition control equipment (DAE) for acquiring and outputting the process variable detects the synchronous signal and order data after receiving the signal S2; (5) the acquisition control equipment dynamically adjusts the start time of the S2 signal according to Delta ti and realizes the long-distance multinode synchronous sampling.
Owner:NANJING PANENG TECHNOLOGY DEVELOPMENT CO LTD
System for collection, transmission, monitoring and publishment of mobile video
InactiveCN102368819AGuaranteed stabilityGuaranteed smoothnessClosed circuit television systemsTransmissionTime informationTelecommunications network
The invention relates to a system for collection, transmission, monitoring and publishment of a mobile video. With utilization of a 3G network, a computer network, and a cable TV network, collection, transmission, monitoring and publishment on videos are carried out. Besides, the system is composed of a front end acquisition module, a center server module, and a retrieving terminal module. According to the invention, a 3G network, a computer network, and a cable TV network are spanned, so that resource sharing and data intercommunication between the three kinds of networks especially interconnection and intercommunication between program information in the cable TV network and a telecommunication network and the computer network are carried out; and meanwhile, stability, smoothness, and real-time performance during a real-time transmission retrieving process of data especially video-audio real-time information are ensured.
Owner:NANJING UNIV
Aviation full-duplex exchange Ethernet monitoring processing system and method thereof
ActiveCN101834751AGuaranteed data transferSave storage spaceData switching networksData transmissionAviation
The invention discloses an aviation full-duplex exchange Ethernet monitoring processing system which comprises an AFDX exchange device, a terminal and a monitoring device, wherein the monitoring device is connected with a data link node between the AFDX exchange device and the terminal by a monitoring link, and is used for acquiring and processing the data link information of AFDX network transmission. The invention can guarantee the integrity of AFDX network data transmission, saves the memory space of the exchange device, and ensures the stability of the exchange device.
Owner:BEIJING JINGWEI HIRAIN TECH CO INC
Line card fault recovery method and related device based on distributed PCIE system
The invention discloses a line card fault recovery method and device based on a distributed PCIE system and a line card. The line card fault recovery method based on the distributed PCIE system comprises the steps that after a faulted line card in the distributed PCIE system is automatically restarted, and a PCIE port on the faulted line card is closed to inform an exchange chip in the distributed PCIE system of abandoning data, wherein the exchange chip is arranged in the distributed PCIE system, and is connected with the faulted line card, and a destination address of the data is the address of the faulted line card; after prestored PCIE configuration information of the faulted line card is obtained, configuration is carried out according to the obtained PCIE configuration information; the PCIE port is opened to inform the exchange chip of recovering sending of the data, wherein the destination address of the data is the address of the faulted line card. According to the scheme, congestion of the whole PCIE system can be effectively prevented from happening, and software resources of a master control card are saved.
Owner:RUIJIE NETWORKS CO LTD
Encryption method for power distribution automatic system and related device
InactiveCN108881224AGuaranteed data transferEnsure data transmission securityKey distribution for secure communicationUser identity/authority verificationIPsecInternet Protocol
The invention discloses an encryption method for a power distribution automatic system. An IPSec (Internet Protocol Security) tunnel with a very high security coefficient is established between a security gateway and a terminal, so data transmission security of the power distribution automatic system in a network layer is kept; on the basis, bidirectional authentication is carried out between a master station and the terminal through adoption of an asymmetrical key, so security of bidirectional identity authentication is improved; and encryption transmission is employed after the verificationis successful, so the data transmission security of the power distribution automatic system in an application layer is kept, double-data encryption of the power distribution automatic system in the network layer and the application layer is realized, a data security protection level of the power distribution automatic system is improved, and possibility that data is maliciously attacked is reduced. The invention also discloses an encryption device for the power distribution automatic system, a server and a computer readable memory medium which have the beneficial effects.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
Method and device for transmitting data in inactive state and user equipment
ActiveCN110139365AGuaranteed normal transmissionGuaranteed data transferConnection managementHigh level techniquesData transmissionUser equipment
The invention provides a method and a device for transmitting data in an inactive state and user equipment. The method comprises the following steps: after a random access preamble is sent to a base station and a random access response returned by the base station is received, sending MSG3 to the base station; receiving an MSG4 sent by the base station after the base station judges that the UE cansend data in an INACTIVE state, the MSG4 carrying resource allocation information, and the resource corresponding to the resource allocation information being a Grant Free resource or a UL Grant resource; and sending data to the base station by using the Grant Free resource or the UL Grant resource. According to the invention, data transmission in a non-activated state can be ensured under the condition that resources are reasonably utilized.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
Sending method, receiving method and device of response messages
ActiveCN102938690AGuaranteed data transferReduce overheadError prevention/detection by using return channelNetwork traffic/resource managementData transmissionUser equipment
An embodiment of the invention provides a sending method, a receiving method and a device of response messages. The sending method includes sending a first subframe matching message and a second subframe matching message to user equipment (UE); reserving a first PHICH resource collection in a first response subframe collection; reserving a second PHICH resource collection in response subframes without the first PHICH resource collection in the second subframe collection; receiving uplink data sent by the UE, determining response subframes of the uplink data; and if the first PHICH resource collection exists in the response subframes, sending response messages to the UE by using PHICH resources in the first PHICH resource collection, and if the first PHICH resource collection does not exist in the response subframes, sending response messages to the UE by using PHICH resources in the second PHICH resource collection. According to the methods and the device, consumption of the PHICH resources in the system is reduced, and data transmission of the UE is guaranteed.
Owner:HUAWEI TECH CO LTD
Remote service access path control method and related device
ActiveCN106936709AImprove transmission qualityGuaranteed data transferNetworks interconnectionNetwork connectionsData connectionNetworked Transport of RTCM via Internet Protocol
The invention discloses a remote service access path control method and a related device. The method comprises the following steps that a data message sent by a random terminal when accessing a remote service is received; a node management server is asked to determine an optimal gateway server which serves as an optimal node and is used to transfer the data message, and the optimal gateway server is selected from gateway servers prepared for a distributed disposition configuration which is constructed from a service cluster of the remote service; the transmission qualities of multiple accessed data connections to the optimal gateway server are tested, and an optimal data connection with the highest transmission quality is determined; and the optimal data connection is called to send the data message after a tunnel is closed, and the optimal gateway server transfers the data message other service servers, belongs to the service cluster, connected to the optimal gateway server. According to the invention, the node management server determines an optimal node, the optical line is selected from multiple local data connections, so that the network transmission quality is optimal wholly, and the data transmission quality is ensured.
Owner:GUANGZHOU HUADUO NETWORK TECH
Processing method of carrier wave deactivation and user equipment (UE)
InactiveCN102215553AGuaranteed data transferSolve the problem of corresponding interruption of DRX processPower managementHigh level techniquesData transmissionCarrier signal
The invention discloses a processing method of carrier wave deactivation and user equipment (UE). The method comprises the following steps: UE determines that a DRX (discontinuous reception) function runs on the carrier wave; when the running of the DRX function is finished, the carrier is conducted in a process of deactivation. The invention ensures the data transmission of the UE on the deactivated carrier.
Owner:ZTE CORP
Data packet numbering in mobile packet switched data transmission
InactiveUS7009951B2Guaranteed data transferError prevention/detection by using return channelNumber-allocation/character-counting for messagesData transmissionTransmitter
A method of numbering data packets in a packet-switched telecommunications system which utilizes acknowledged transmission and the telecommunications protocol of which comprises a convergence protocol layer for converting user data packets into convergence protocol packets, and a link layer for transmitting convergence protocol packets as data units and for acknowledging the transmission. A data packet number is defined for the convergence protocol packets to be sent by a counter and the convergence protocol packets to be sent are transmitted to the link layer for transmission without the data packet number. A data packet number is also defined for received convergence protocol packets by means of the counter and an acknowledgement of received convergence protocol packets is transmitted to the transmitter.
Owner:NOKIA TECHNOLOGLES OY
Method for controlling parallel redundancy of MVB master
ActiveCN103825791AGuaranteed data transferGuaranteed uptimeError preventionBus networksNetworked systemUsability
The invention discloses a method for controlling the parallel redundancy of an MVB master. According to the method, two identical VCM modules are used as bus master modules, and the two VCM modules are connected into a network system simultaneously and monitor the state of an MVB simultaneously; under the condition that a master module on the MVB has a failure or is lost, a standby main module conducts redundancy switch, becomes a bus master and takes over the MVB. The method for controlling the parallel redundancy of the MVB master has the advantages that the principle is simple, and the reliability and the usability of the whole network system can be improved.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD
Information processing method, communication device and memory medium
ActiveCN108112080AGuaranteed data transferSpatial transmit diversityError preventionComputer hardwareInformation processing
The embodiment of the invention discloses an information processing method, a communication device and a memory medium. The information processing method applied to a first communication device comprises the steps of sending X sets of joint parameter value sets of M classes of transmission parameters to a second communication device, wherein beam indicators are used for indicating beams, QCL (Quasi-co-location) indicator parameters are used for indicating parameters of the beams and the M is greater than 1; selecting Y sets of joint parameter values from the X sets of joint parameter value sets, wherein the X is greater than or equal to 1 and the Y is greater than or equal to 1; and sending a selection indicator to the second communication device based on the Y sets of joint parameter values, wherein the selection indicator is used for the second communication device to select the Y sets of joint parameter values from the X sets of joint parameter value sets for data transmission.
Owner:ZTE CORP
Unmanned aerial vehicle intelligent electric power inspection system and method
PendingCN113359826AImprove work efficiencyReduce labor costsPosition/course control in three dimensionsUncrewed vehicleMonitoring system
The invention mainly relates to the field of electric power system detection, and discloses an unmanned aerial vehicle intelligent electric power inspection system. The system mainly comprises an unmanned aerial vehicle electric power inspection main body system and a remote monitoring system, and the unmanned aerial vehicle electric power inspection main body system comprises an unmanned aerial vehicle system, an intelligent inspection system, a ground control center and a mobile inspection vehicle; and the remote monitoring system is constructed by a system server of a headquarter central control room, communicates with a ground control center, and remotely monitors the unmanned aerial vehicle electric power inspection main body system. The invention also relates to an unmanned aerial vehicle intelligent power inspection method. The unmanned aerial vehicle is utilized to carry the intelligent inspection system, fixed-point inspection and long-distance inspection are carried out on a power transmission line, and flight state information of the unmanned aerial vehicle, parameter information of a sensor, battery electric quantity information and aerial images are transmitted to a ground control center through a data and image transmission module.
Owner:TAIYUAN UNIV OF TECH
Method for two-stage packet aggregation facing wireless sensor network of hybrid topology structure
ActiveUS20130089003A1Reduce the numberReduce overheadEnergy efficient ICTNetwork topologiesWireless mesh networkStructure of Management Information
A method for two-stage packet aggregation facing wireless sensor network with hybrid topology structure including: building various nodes in a wireless sensor network into a hybrid topology structure which combines the star topology and mesh topology; establishing a two-stage packet aggregation architecture for periodic sensor data based on the above described topology structure; determining the packet format, aggregating and disaggregating the two-stage packets based on the topology structure and aggregation architecture; according to the application, the aggregated nodes in the network configuring router nodes and aggregation attributes of the nodes; according to the aggregation attribute, the sensor nodes performing the first-stage aggregation and generates an first-stage aggregation packet; according to the aggregation attributes, the router node implementing second-stage aggregation and generating a second-stage aggregation packet; the aggregation nodes taking charge of disaggregating the aggregated packets. Embodiments of the invention adopt the above described hybrid topology structure, feature a two-stage packet aggregation method, decrease the overhead of packet-head, reduce the energy consumption of the nodes and inter-node interference, and save communication resources.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
UAV communication TDMA networking method, system, device and storage medium
ActiveCN107911866AImprove reliability and transmission efficiencyReduce transmission delayTime-division multiplexWireless communicationData transmissionFixed time
The invention relates to a UAV communication TDMA networking method, system, device and storage medium. The UAV communication TDMA networking method includes that a base station sends broadcast signals to a UAV so as to enable TDMA time slot synchronization of a UAV and the base station; the base station receives UAV time slot distribution requests; the base station generates TDMA time slots according to the quantity of the received UAV time slot distribution requests so as to enable the UAV to perform data transmission on the corresponding TDMA time slots. Dynamic generation and distributionof the quantity of the TDMA time slots of the base station are realized and the quantity of the TDMA time slots is decided according to the number of UAVs. Therefore, defects of channel waste when thequantity of UAVs is small and time slot distribution incapability when UAV data is excessive due to fixed time slot quantity in a prior TDMA communication method are made up. According to the invention, the UAV performs data transmission on the TDMA time slots, so that transmission efficiency and reliability are improved effectively, interaction time requesting is not required and transmission time delay is reduced.
Owner:丰翼科技(深圳)有限公司
Information processing and determining methods and equipment for relay user equipment
InactiveCN104902456AImprove communication qualityGuaranteed data transferNetwork data managementInformation processingCommunication quality
The invention discloses information processing and determining methods and equipment for relay user equipment. When user equipment has a relay supporting function, the user equipment reports to a network side that the user equipment has a relay supporting function; a base station distributes auxiliary information carrying the user equipment with a relay supporting function to user equipment belonging to the base station to enable the user equipment belonging to the base station to choose relay user equipment after being offline, and / or, the base station indicates the user equipment belonging to the base station to choose relay user equipment after the user equipment is offline according to the auxiliary information of the user equipment with a relay supporting function; and after offline is confirmed, the user equipment chooses relay user equipment according to the information and / or the indication. By adopting the scheme, offline user equipment can choose appropriate relay user equipment, the communication quality of user equipment-network communication is improved, and data transmission of offline user equipment is ensured.
Owner:CHINA ACAD OF TELECOMM TECH
Expressway non-cash self-service fee collection system and self-service fee collection method
InactiveCN108399656AReduce queuing to pay feesVersatileTicket-issuing apparatusCollection systemData center
The invention discloses an expressway non-cash self-service fee collection system and self-service fee collection method. The system is composed of a non-cash self-service fee collection machine, a mobile payment platform, a man-machine interaction system and a lane program. Meanwhile, in the expressway non-cash self-service fee collection system, a self-service fee collection pattern and an artificial self-service fee collection pattern can be switched; under the self-service pattern, drivers only need to swipe cards at an exit of a lane by themselves and then can pass through the lane; the artificial self-service fee collection pattern is adopted under special conditions, and therefore the lane is more user-friendly. Meanwhile, the mobile payment platform is created, day-to-day charge data is sent to a group data center through the payment cloud platform, and therefore fee data processed in the later period is much clearer. The mobile payment platform achieves data interaction with user sides and serves as a cloud-side system of users, the functions of the platform are comprehensive, and the system has high reliability, excellent performance and high safety and provides high-quality mobile payment background services.
Owner:江西锦路科技开发有限公司
Digital user line binding and accessing method based on multi-user
InactiveCN1881912AIncrease data transfer rateImprove fault toleranceData switching by path configurationSpatial codeMulti-user
The invention relates to a DSL bond method of multi users, wherein the twisted-pair line of nearby users is bonded into one multi-input multi-output (MIMO) logic channel; the digit user line bonded at the client terminal device (GPE) and the local terminal is accessed into the physical layer and data chain layer of multiplex device (DSLAM); the invention uses one spatial code method to integrate multi user data flows into one code bit flow to be distributed into several independent physical channels to be sent; at the same time, for reducing the interference on the same-cable line, based on multi-channel test and the estimate result of sending data flow, processing the data flow smooth access with dynamic sub carrier wave restrain, bit load adjustment and code increment control.
Owner:HUAAO COMM SHANGHAI
Reliability power outage event collection integrity analysis and automatic completion method
ActiveCN108647328AImprove integrityImprove accuracyData processing applicationsSpecial data processing applicationsPower reliabilityComputer science
The present invention discloses a reliability power outage event collection integrity analysis and automatic completion method, and belongs to the technical field of power reliability management. Themethod comprises: constructing a unified analysis model for power outage events of distribution networks; collecting the automatically collected discrete user power outage information to generate original power outage events; performing collection integrity analysis on the original power outage events, and searching and positioning incompletely collected power outage line segments and omissively collected users; determining and identifying whether the omissively collected users belongs to the users in real power outage; and automatically completing power outage information for the omissive users in real power outage, and uploading a final power outage event to a reliability service system. The method disclosed by the present invention has strong real-time performance, high accuracy, and asmall amount in calculating and processing data, can improve the integrity and accuracy of automatic integration of power outage data, and can provide strong support for reliability index analysis application and daily service management.
Owner:HUAINAN POWER SUPPLY CO OF STATE GRID ANHUI ELECTRIC POWER CORPORATIO +2
Heterogeneous network system, control equipment and method for realizing coexistence of various networks
ActiveCN102592430AReduce distractionsGuaranteed data transferElectric signal transmission systemsUtility meters data arrangementsUltrasound attenuationProgrammable logic controller
The embodiment of the invention provides a heterogeneous network system, control equipment in a meter reading system and a method for realizing coexistence of various networks. The network system comprises a meter reading network, and an electric wire communication PLC (programmable logic controller) network which is coupled with the meter reading network through a high-frequency signal channel, wherein the meter reading network comprises a control module and a controllable on-off high-frequency path module, which are mutually coupled; the controllable on-off high-frequency path module is coupled with the PLC network through the high-frequency signal channel; the controllable on-off high-frequency path module comprises attenuation high-frequency signal equipment and a controllable switch,which are connected in parallel; the control module is used for controlling an access state of the attenuation high-frequency signal equipment by controlling on and off states of the controllable switch; and the attenuation high-frequency signal equipment is used for carrying out attenuation or isolation on high-frequency signals transmitted to the meter reading network from the PLC network through the high-frequency signal channel when accessing into the meter reading network. In the scheme of the embodiment of the invention, the coexistence of the household PLC network and the meter readingnetwork are realized.
Owner:HUAWEI TECH CO LTD
Wireless network scheduling method based on serial interference cancellation and power control
ActiveCN104994582AFor signal receptionImprove interferenceWireless communicationWireless mesh networkFrequency spectrum
The invention discloses a wireless network scheduling method based on serial interference cancellation and power control, and mainly solves the traditional problem of low overall frequency spectrum utilization rate based on a serial interference cancellation scheduling algorithm. According to the technical scheme of the wireless network scheduling method, 1, a center node in a network receives first data packages Pkt-1 of all nodes and establishes a network topology and a conflict graph corresponding to the network topology, 2, the center node adjusts sending node transmission power so that receiving end can simultaneously receives a plurality of useful signals by utilizing a serial interference cancellation technology, and 3, the center node updates the conflict graph, the principle that the link path with the minimum satisfaction degree is preferentially scheduled is adopted to traverse the updated conflict graph, thus to find a link path set capable of performing transmission at the same time slot as the link path, and notify the corresponding nodes to perform data transmission on corresponding link paths. The wireless network scheduling method improves the frequency spectrum utilization rate and guarantees equitable distribution of a network resource at the same time, and the wireless network scheduling method can be used for resource distribution of a wireless network.
Owner:XIDIAN UNIV +1
Wireless communication apparatus, wireless communication method, and computer program
InactiveCN1574676ARealize collaborative operationSame effectNetwork traffic/resource managementNetwork topologiesData transmissionCommunication device
Communication bands are effectively allocated to each communication station under a communication environment of an autonomous distributed type system such as an ad-hoc communication. Each communication station acquires a priority slot with which each communication station itself performs data transmission preferentially at predetermined time intervals, and releases or allocates its own priority slot to other communication station in response to a permission form upper layer of a communication protocol based on a fact that the transmission data is not in a buffer. Thereby, it is able to effectively utilize the communication bands, and to improve a throughput of the whole system.
Owner:SONY CORP
Method and system for achieving self-adaptive hard disk backboard lighting through CPLD CPLD
The invention provides a method and a system for achieving self-adaptive hard disk backboard lighting through a CPLD. The method comprises: respectively controlling a plurality of hard disks to lightthrough reasonably designed circuits and logic language design; the CPLD sending different states through the hard disk; judging a corresponding LED state to be controlled; through the difference of data transmission between the hard disk and the master controller, the CPLD selecting corresponding lighting instructions, if a plurality of back plate modules are used on one machine at the same time,indicating LED state control of the backboard at an accurate position through different dial codes, address information and register information. Multiple types and configurations of multiplexing backboard lighting are realized, the utilization rate of a single board is improved, inventory management is reduced, income is improved, new material number application and material management are saved, original communication and data transmission are ensured, reusability is ensured, and the burden of a whole purchasing and inventory system is reduced.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
Load-based power configuration method and device capable of reducing energy consumption of base station
InactiveCN102170688AReduce energy consumptionAvoid structureEnergy efficient ICTPower managementCycle controlControl power
Owner:UNIV OF SCI & TECH OF CHINA
Voice channel for vehicle-mounted communication control unit and voice communication method
InactiveCN102035562AGuaranteed data transferPremium Voice CallsEnergy efficient ICTTwo-way loud-speaking telephone systemsGeneral Packet Radio ServiceMicrocontroller
The invention discloses a voice channel for a vehicle-mounted communication control unit and a voice communication method. The voice channel comprises a microcontroller, a global system for mobile communications (GSM) / general packet radio service (GPRS) module, a frequency modulation (FM) transmitting chip integrated on a vehicle-mounted communication control unit, and the data transmission and voice communication between a vehicle-mounted terminal and a service station are realized. By processing the voice from a microphone or the service station through the microcontroller, the echo and background noise are effectively suppressed, and the communication quality is improved. The voice from the microphone is processed by the microcontroller and is transmitted to the service station through the GSM / GPRS module; an audio signal transmitted from the service station is transmitted to the microcontroller for processing through the GSM / GPRS module and is transmitted to the FM chip to be transmitted to a vehicle-mounted radio for playing; therefore, the communication between personnel in the vehicle and workers at the service station is realized. The invention can realize data transmission between vehicle-mounted equipment and the vehicle-mounted communication control unit, guarantees the communication quality of the voice channel, has high voice quality and low power consumption, and is convenient to mount and low in cost.
Owner:TONGJI UNIV
Multichannel connection communication method for highway tolling system
ActiveCN106875501AMeet the requirements of continuous real-time data transmissionAvoid accumulation of failuresTicket-issuing apparatusNetworks interconnectionPrivate networkPublic network
The invention proposes a multichannel connection communication method for a highway tolling system, and the method comprises the steps: setting a central intelligent router at a highway management center, and respectively setting station intelligent routers at all toll stations under the administration of the highway management center; building three data transmission channels between the central intelligent router and each station intelligent router: a private network wired channel, a public network wired VPN channel and a public wireless VPN channel; setting different priorities for all data transmission channels, and achieving nearly uninterrupted data transmission between a front end toll station and a rear end highway management center for the highway tolling system according to a priority gating data transmission channel through intelligent router management.
Owner:JIANGSU I FRONT SCI & TECH CO LTD
Optical label shooting and optical label decoding relay work method
ActiveCN106446749AGuaranteed data transferImprove on-site experienceSensing by electromagnetic radiationBarcodeData transmission
The invention provides an optical label shooting and optical label decoding relay work method. An optical label comprises two parts, i.e., a signal unit group or a "data bit" for short and a positioning identification or a "flag bit" for short. Through converting the shooting frequency of shooting equipment and eliminating a motion displacement image of the equipment, an optical label and a background image are simultaneously acquired, and alignment and superposing synthesis of two kinds of shooting image content are realized. Data transmission of the optical label is guaranteed, the background image where the optical label is disposed is also reserved, onsite experience of a user in using the optical label is improved, and the method solves the problems which cannot be solved by other label ( such as two-dimensional codes and bar-codes) methods.
Owner:SHANGHAI OPTICS-VISION FUSION INTELLIGENT TECH CO LTD
Cell selection method and device
InactiveCN108076489AIncrease profitExtension of timeWireless communicationSignal-to-noise ratio (imaging)Cell selection
The invention provides a cell selection method and device. For the condition that the strength of a wireless network signal is weak, that is to say, the receiving power of a reference signal of a resident cell does not meet a first judgment threshold, the interference size of the resident cell is determined by judging whether or not the signal to noise ratio of the resident cell reaches a preset triggering judgment threshold, and if the interference size meets the condition, it is regarded that user equipment still can achieve a high transmission speed in the resident cell and can ensure conventional data transmission. The method and device are used for prolonging the time when the user equipment is located in the current resident cell and increasing the utilization rate of the resident cell. The method comprises the steps that when the receiving power of the reference signal does not reach the preset first judgment threshold, whether or not the signal to noise ratio of the resident cell reaches the preset triggering judgment threshold is determined; if yes, the user equipment continues to be resident in the resident cell; and otherwise, the user equipment is switched to other cells.
Owner:中国移动通信集团广西有限公司 +1
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com