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82results about How to "Reduce forwarding" patented technology
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Defense method, device and system for DNS (Domain Name System) services
The invention provides a defense method, a defense device and a defense system for DNS (Domain Name System) services. The method comprises: monitoring a DNS data query request message flux of a DNS recursive server network gateway within unit time; judging whether the DNS data query request message flux exceeds a predetermined safety access flux threshold value or not; obtaining a proportional value between the quantity of DNS data query request messages containing top-level domain addresses and the DNS data query request message flux; in the case of judging the proportional value to exceed the predetermined value, recording the top-level domain addresses as attacked addresses; transmitting the DNS data query request messages of which the domain addresses are not the attacked addresses; judging whether second-level domain addresses of the DNS data query request messages corresponding to the attacked addresses exist in a normal domain name list or not; and performing defense processing on the DNS data query request messages of which the second-level domain name addresses do not exist in the normal domain name list. The transmission of attack messages can be effectively decreased, so that the defense of a DNS server is realized; and meanwhile, the normal DNS data query request is not affected.
Owner:BEIJING LEADSEC TECH
Message forwarding method and device and network equipment thereof
InactiveCN102946354AReduce intermediate processing overheadSave system resourcesData switching networksVirtualizationVirtual switch
The invention provides a message forwarding method and device and network equipment thereof. The message forwarding method is used in virtual conditions, comprising the following steps: receiving a message from an ingress port; searching for a port mapping table to find the virtual device of the ingress port; processing the message on a forwarding component according to processing operations on the virtual device to obtain a processed message; searching for a forwarding table of the virtual device to obtain the forwarding path information of the message, wherein the forwarding path information includes the ingress port, an egress port corresponding to the ingress port and a next hop, a virtual device corresponding to the next hop and the virtual device corresponding to the ingress device share the forwarding component; and sending the processed message to the next hop through the egress port. The message forwarding method solves the technical problem of system resource waste during message forwarding among forwarding components of virtual switches in the prior art, and the forwarding efficiency is improved.
Owner:平湖新纳通信技术股份有限公司
Cell switching method, device and apparatus
Disclosed are a cell switching method, device and apparatus. The method specifically comprises: a CBS receiving a measurement report sent by a UE to acquire a target base station identification carried in the measurement report, wherein the target base station identification is used for indicating a target base station; the CBS indicating the above-mentioned target base station to conduct resource configuration on a data link layer of the target base station according to a service priority corresponding to the above-mentioned UE; after the configuration is completed, the above-mentioned CBS sending data to the above-mentioned target base station; and the CBS sending a switching command to the above-mentioned UE, and the UE resetting state information about the data link layer thereof according to the switching command, and switching same to the above-mentioned target base station. By adopting the technical solution of the present invention, the CBS initiates and controls the switching between different DBSs and the switching between same and other CBSs, thereby effectively reducing the signalling overhead in the switching process. A protocol stack is used to separate the signalling interaction between the CBSs and the DBSs, so as to reduce the forwarding of some data, thereby avoiding wasting resources.
Owner:HUAWEI TECH CO LTD
Control device and method supporting single IO (Input/Output) virtual user level interface
ActiveCN102650976AAchieve integrationMeet the needs of high-speed network communicationData switching networksElectric digital data processingData transmissionVirtualization
The invention discloses a control device and a control method supporting a single IO (Input / Output) virtual user level interface. The device comprises a system bus interface module, an operation module, a DMA (Direct Memory Access) module and a network pack distribution arbitration module, wherein the system bus interface module is used for transmitting data between the device and a processor and realizing a transaction layer, a data link layer and a physical layer function which are accordant with a PCI (Peripheral Component Interconnect) Express protocol; the operation module is used for realizing mapping among an equipment configuration space, a communication interface QP with a virtual function (VF) and an operation queue (OQ) resource and directly accessing the QP by using a doorbell system, and comprises M operation queues; M is more than or equal to 1; the DMA module is used for mapping a DMA engine according to the idle condition of the DMA engine; the DMA engine is used for transmitting and receiving data; and the network pack distribution arbitration module is used for receiving a network pack transmitted by the DMA engine, arbitrating and selectively transmitting the network packs of different DMA engines, receiving network packs in the network at the same time, and transmitting to the DMA engine for processing.
Owner:INST OF COMPUTING TECHNOLOGY - CHINESE ACAD OF SCI
Probability effective broadcast coefficient based flooding method
InactiveCN101184037AImprove performanceAvoid directionalityData switching by path configurationExtensibilityDependability
The invention relates to a probabilistic effective broadcast coefficient-based flooding method, which belongs to the technical field of wireless ad hoc network routing. It includes the following steps: 1) Define the concept of the node's effective broadcast increment; 2) Calculate the effective broadcast increment B of each node; 3) Calculate the node's effective broadcast coefficient P according to the node's effective broadcast increment; 4) If If the effective broadcast coefficient P of the node is greater than the set threshold Pval, the node will broadcast the received message, otherwise the message will not be forwarded. The invention effectively reduces the routing overhead, is simple to implement, effectively reduces the network load while obtaining high reliability, and has better scalability in large-scale self-organizing networks.
Owner:BEIHANG UNIV
Method and apparatus for a dynamic web portal with content distributed network content availability and user locality
InactiveUS7725435B1More portableTime to obtain uncached or un-prepositioned filesDigital data processing detailsWebsite content managementClient-sideDynamic web page
A system for providing a dynamic portal page in a content distributed network responds to a client request by generating the dynamic portal page at a content engine. The content engine has a portal template with at least one dynamic portion. The content engine writes into the at least one dynamic portion of the portal template links to content cached at the content engine. The content engine also writes into the at least one dynamic portion of the portal template information about availability of content not yet cached at the content engine.
Owner:CISCO TECH INC
Method and device for switching different MeNBs in small cell system
ActiveCN106162771AReduce forwardingFast transmissionConnection managementNetwork deploymentSystem capacity
The invention discloses a method for switching different MeNBs in a small cell system. The method comprises the following steps: during switching, deciding whether to keep an auxiliary base station by a source main base station and / or a destination main base station; and triggering different switching processes according to a decision result of whether to keep the auxiliary base station. The invention further provides a corresponding device for switching different MeNBs in the small cell system. By adopting the method and the device for switching different MeNBs in the small cell system, unnecessary deletion and reestablishment of a UE bearer on the auxiliary base station can be reduced, wrong bearer deletion is avoided, data forwarding is reduced, SeNB can be maintained according to the actual situation of network deployment, and SGW reselection is supported, so that the system capacity and the data transmission speed are increased.
Owner:BEIJING SAMSUNG TELECOM R&D CENT +1
Method, system and device for realizing data forward shifting in user terminal switching process
ActiveCN101998546AReduce loss rateReduce forwardingNetwork traffic/resource managementNetwork topologiesComputer terminalData loss
The invention discloses a method, system and device for realizing data forward shifting in the user terminal switching process, which can improve the terminal switching speed under a relay node and can reduce the data loss rate while switching. The method comprises the following steps of: notifying the stopping position of the terminal downlink data requiring the source relay node forward shifting to the terminal attributive source relay node when an attributive base station of a source relay node confirms that a terminal is about to generate the switching; and sending the forwards shifted downlink data of the terminal from the source relay node, the current buffer stored downlink data of the terminal which is not sent to the source relay node, and the subsequently received downlink data of the terminal from a core network to a target node.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Buffering and overtime processing methods of route address mapping information as well as tunnel router
InactiveCN102045234AReduce update frequencyReduce forwardingData switching networksData transmissionComputer science
The invention discloses buffering and overtime processing methods of route address mapping information as well as a tunnel router, in order to reduce the updating frequency of the route address mapping information in an ITR (ingress tunnel router) buffer and reduce the data packet forwarding of a DM (default mapper). The buffering method of the route address mapping information comprises the following steps: mapping information records comprising route address mapping information and the number of use of the route address mapping information are buffered in the ITR; and after the route address mapping information transmitted by the DM is received, the received route address mapping information is added into the buffer according to the number of use in the buffered mapping information records. According to the invention, the forwarding paths of data packets are optimized, and the end-to-end data transfer delay can be reduced.
Owner:CHINA MOBILE COMM GRP CO LTD
Coding-aware wireless mesh network multi-path routing method for avoiding congestion
ActiveCN107846706AAvoid congestionReduce overheadNetwork traffic/resource managementTraffic capacityOccupancy rate
The invention discloses a coding-aware wireless mesh network multi-path routing method for avoiding congestion, and belongs to the technical field of wireless communication. The coding-aware wirelessmesh network multi-path routing method comprises operations in two stages of routing and data transmission, and adopts two new mechanisms: a congestion aware mechanism and a multi-path dynamic flow distribution mechanism; in the route discovering process, nodes of which node cache occupation rates exceed a threshold are used as high-load nodes, the high-load nodes do not need to forward a newly received routing request message, meanwhile, forwarding of adjacent nodes of the nodes for the routing request message is also reduced, and paths in a plurality of paths from a source node to a target node, on which the high-load nodes exist, are eliminated in advance, so that routing cost is effectively reduced; and in the data transmission process, the source node can carry out regulation on a flow distribution ratio according to load conditions of the nodes on each path, so that network congestion is avoided, and end-to-end delay can be reduced.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Energy balance underwater acoustic network routing protocol method based on layering
InactiveCN111866982ALimit transmissionReduce energy consumptionSonic/ultrasonic/infrasonic transmissionData switching networksEnergy balancingEngineering
The invention relates to an energy balance underwater acoustic network routing protocol method based on layering. The method comprises a data forwarding step, wherein the data forwarding step comprises the following contents of S11, when the receiving node is not a sink node, judging the size relationship between the own hierarchy L_Rec and the sending node hierarchy L_Snd, and if L_Rec (L_Snd), executing the step S12; S12, the receiving node calculates the forwarding probability of the receiving node according to the one-hop delay and the residual energy so as to set the timeout value of thetimer, and when the timer expires, the receiving node is changed into a sending node to forward the data message; and S13, repeating the steps S11 and S12 till the receiving node is a sink node. The method is advantaged in that the receiving node judges whether to forward the data or not according to the three factors of the hierarchy, the residual energy and the one-hop delay; by taking the nodewith high residual energy and small one-hop delay as the node for data forwarding, energy balance is effectively realized, the service life of the network is prolonged, and the end-to-end delay in thenetwork is reduced.
Owner:QINGHAI NORMAL UNIV
Vehicle brake control device
InactiveUS20060238020A1Shorter braking distanceReduction of forward-backward rockingApplication and release valvesVehicle brakeBrake force
Owner:ADVICS CO LTD
Wireless network communication apparatus
InactiveCN101043302AFlexible discardImprove transmission efficiencyError prevention/detection by using return channelBusiness dataConcatenation
The invention provides a wireless network communication device that includes at least one upper layer auto request retransmitting entity, the determined mode auto request retransmitting entity includes transmitting part and receiving part: the said transmitting part includes: splitting concatenation unit which is used to split the data units; retransmitting buffer unit, which is used to buffer the protocol data unit after the splitting concatenation, and process the protocol data unit; said receiving part includes: realigning unit, which is used to align the received protocol data unit; and regrouping unit, which is used to regroup the aligned protocol data unit, and form the business data unit which is transmitted to the top. The new outer ARQ entity framework provided for the EUTRAN system provides the function which is not been supported by the R6 protocol framework, and improves the system performance.
Owner:HUAWEI TECH CO LTD
Underwater wireless sensor network routing method based on reinforcement learning
ActiveCN112954769AImprove adaptabilityImprove transmission timelinessParticular environment based servicesNetwork topologiesData packWireless sensor networking
The invention discloses an underwater wireless sensor network routing method based on reinforcement learning, which comprises the following steps of: initializing sensor nodes in an underwater wireless sensor network UWSN to obtain information of neighbor sensor nodes around the sensor nodes, and establishing a neighbor list; establishing a node packet forwarding adaptability prediction model based on fuzzy logic according to the neighbor list; designing a state-action value updating function between sensor nodes according to the node packet forwarding suitability prediction model, and establishing a first updating strategy based on a target sensor node, a second updating strategy based on a dynamic threshold value and a data packet forwarding strategy based on opportunity attributes; and entering a data packet updating and forwarding process by utilizing a state-action value updating function, and finishing data packet updating and forwarding by utilizing the three strategies. According to the method, network topology changes caused by node mobility can be adaptively coped with, energy and time delay factors are considered at the same time, and the opportunity attribute concept is utilized to further improve the stability of the algorithm.
Owner:HARBIN ENG UNIV
Method for producing m-plane nitride-based light-emitting diode
InactiveUS20150125980A1Reduce power consumptionLower forward voltageSemiconductor/solid-state device manufacturingSemiconductor devicesContact layerActive layer
Provided is a novel method for producing an m-plane nitride-based LED, the method making it possible to obtain an m-plane nitride-based LED reduced in forward voltage. The method comprising (i) a step of forming an active layer consisting of a nitride semiconductor over an n-type nitride semiconductor layer in which an angle between the thickness direction and the m-axis of a hexagonal crystal is 10 degrees or less, (ii) a step of forming an AlGaN layer doped with a p-type impurity over the active layer, (iii) a step of forming a contact layer consisting of InGaN is formed on the surface of the AlGaN layer, and (iv) a step of forming an electrode on the surface of the contact layer.
Owner:MITSUBISHI CHEM CORP +1
Bluetooth-based positioning method and device, computer storage medium and equipment
InactiveCN109462887AImprove convenienceImprove accuracyPosition fixationShort range communication serviceReal time managementBluetooth
The invention provides a Bluetooth-based positioning method and device, a computer storage medium and equipment. The method comprises the following steps: sending an information query message to eachset of Bluetooth equipment which currently establishes a communication connection according to a preset time interval; receiving positioning information submitted by each set of Bluetooth equipment; and forwarding the positioning information of each set of Bluetooth equipment to a positioning server to enable the positioning server to determine a location of each intelligent terminal according tothe positioning information submitted by each set of Bluetooth equipment. According to the Bluetooth-based positioning method, the positioning information submitted by each set of Bluetooth equipmentis inquired and acquired through a base station, and then is directly submitted to the server, so that the middle procedures of message transmitting and forwarding are reduced; and the server can perform real-time management and control on the Bluetooth equipment, so that the convenience and accuracy of management of the Bluetooth positioning information are improved.
Owner:COMBA TELECOM SYST CHINA LTD
Routing link management method and system, virtual routing gateway and host gateway
ActiveCN108322393AReduce consumptionImprove forwarding performanceNetwork connectionsTraffic volumeHost memory
The embodiment of the application provides a routing link management method and system, a virtual routing gateway and a host gateway, relating to the technical field of computers. According to the embodiment of the application, the method includes the following steps: for a message sent by a virtual machine, when a source host gateway corresponding to the virtual machine does not find routing linkdata corresponding to the message locally, the message is forwarded to the virtual routing gateway; after the virtual routing gateway finds the routing link data corresponding to the message locallyfor the received message, the virtual routing gateway forwards the message to a destination host gateway according to the routing link data and returns the routing link data to the source host gateway; and the source host gateway records the routing link data to a local source host according to the received routing link data. Thereby, the host gateway can quickly obtain the routing link data thatis required thereby, the consumption of the host memory can be reduced, and the excessive traffic load of the virtual routing gateway can be avoided.
Owner:ALIBABA GRP HLDG LTD
Periodic routing information sending method and device
InactiveCN107454647AIncrease capacityReduce deliveryWireless communicationStructure of Management InformationVariation of information
The invention discloses a periodic routing information sending method and device. The method comprises the steps of obtaining a corresponding relationship between change rates of a topology structure or link information of a network and sending intervals of periodic routing information; obtaining a target change rate of the topology structure or the link information of the network within a target time period; obtaining a target sending interval matching the target change rate from the corresponding relationship according to the target change rate; and sending the periodic routing information according to the target sending interval. According to the embodiment of the invention, the sending interval of the periodic routing information can be dynamically adjusted. Under the condition that the topology structure or the link information of the network is changed fast, the sending interval is shortened, the loss of data between network devices is reduced, a superior path is timely selected for data transmission, and the network robustness and network capacity are improved. Under the condition that the topology structure or the link information of the network is changed slowly, the sending or forwarding of the routing information between the network devices is reduced, these resources are used for transmitting data, and the network capacity is improved.
Owner:BEIJING XINWEI TELECOM TECH
Method for realizing addressing pool share between multiple IP-DSLM
InactiveCN1585361AIncrease profitReduce forwardingData switching by path configurationStart upVirtual LAN
The method includes following steps: a virtual LAN is set for intercommunication between IP-DSLAM, and an address pool is set at a part of IP-DSSAM for connecting users; when IP-DSLAM starts up, first it is decided if there is an available address pool for using by users, if not, then a request for applying address field is transmitted to the IP-DSLAM with the address pool; the IP-DSLAM with the address pool decides if the allocation is available, if yes, then a permit message is transmitted, and the address field needed by request IP-DSLAM is allocated for using as local address pool by the request IP-DSLAM; if not, then a refusing message is transmitted, the IP-DSLAM continually transmits the request to the other IP-DSLAM; if there is an address pool, then the declaration message is transmitted to other IP-DSLAM, IP address is allocated to the local users; if the connected users continually increase to the a certain amount that will exceed the volume of the address pool, the addresses will be distributed and the request is transmitted to the IP-DSLAM with address pool; if the connected users in IP-DSLAM decrease, the unused address will be released.
Owner:GANGWAN NETWORK CO LTD
UDP message processing method and apparatus thereof, and network forwarding apparatus
InactiveCN107196879AIncrease the actual forwarding rateReduce forwardingData switching networksOccupancy rateMessage processing
A UDP message processing method and an apparatus thereof, and a network forwarding apparatus are disclosed. The method comprises the following steps of receiving a network message transmitted by an input PORT; determining whether a CPU occupancy rate of network equipment is greater than or equal to a critical threshold; if the CPU occupancy rate is less than the critical threshold, directly forwarding the network message; if the CPU occupancy rate is equal to or greater than the critical threshold and the message belongs to a UDP message, classifying the UDP message according to a seven-element group; based on a condition that reasonable time delay and a MTU are satisfied, accumulatively caching; when the reasonable time delay and the MTU are not satisfied, carrying out recombination and forwarding; and after the forwarding, carrying out fragmentation, wherein the recombination and the fragmentation refer to an identification field and a sheet offset field. In the invention, the UDP messages of a same kind are accumulated and recombined; and through sacrificing time delay, forwarding of message cost information is reduced and a greater throughput is exchanged so that an actual forwarding rate of the UDP messages is increased.
Owner:HANGZHOU DUNCHONG SCI & TECH
Packet forwarding method and device
ActiveCN108737274AReduce forwardingImprove reliabilityData switching networksDistributed computingPacket forwarding
The invention provides a packet forwarding method and a packet forwarding device. The method comprises: when the AC is the master device of the stack, and receives the first discovery request packet of the access point AP, generating a first filtering entry corresponding to the AP; and issuing the first filtering entry to the switching device, so that the switching device sends the first packet matched with the first filtering entry to the AC through the first target port in the port corresponding to the aggregated member port information included in the first filtering entry. The embodimentsof the invention may reduce the packet forwarding of the stack links between the stack member devices and improve the reliability of the stack links.
Owner:NEW H3C TECH CO LTD
Routing update method and device
ActiveCN106453092AReduce forwardingReasonable use of forwarding capabilitiesData switching networksTraffic capacityDistributed computing
The embodiment of the invention discloses a routing update method and device, and relates to the technical field of communications. The method and device can be used for reasonably utilizing the forwarding ability of a small-capacity service board to greatly reduce the forwarding burden of a large-capacity service board, so that the complete machine actual forwarding throughput of the entire switching system is effectively improved. The method comprises the following steps: storing a first forwarding table in a forwarding engine of a first service board, wherein the first forwarding table is formed by first forwarding entries; acquiring routing information with the large flow characteristics during an interval of time to generate a second forwarding table, wherein the second forwarding table is formed by second forwarding entries; determining deletable entries belonging to the first forwarding table but not the second forwarding table, and determining updatable entries belonging to the second forwarding table but not the first forwarding table; deleting N deletable entries in the forwarding engine of the first service board if each of the numbers of the deletable entries and the updatable entries is not zero, and issuing N updatable entries to the forwarding engine of the first service board.
Owner:RUIJIE NETWORKS CO LTD
Low-delay transmission method based on backbone vehicle forwarding in vehicle of things communication
InactiveCN107222904AReduce forwardingReduce the number of retweetsWireless commuication servicesTransmissionIn vehicleLow delay
The invention relates to a low-delay transmission method based on backbone vehicle forwarding in vehicle of things communication. The method is applied to a V2V (Vehicle to Vehicle) communication scheme in a highway environment. According to the method, when a certain vehicle receives a new event message, the new event message is forwarded to all adjacent vehicles in a valid communication range; moreover, the adjacent vehicle with the highest communication capability value at present is selected and activated as a backbone vehicle according to communication capability values of each adjacent vehicle and the other adjacent vehicles are taken as general vehicles; and only the backbone vehicle forwards the new event message and the general vehicles only receive the new event message. Compared with the prior art, the method has the advantages that forwarding nodes are reduced by forwarding the message through the backbone vehicle, so the forwarding delay is reduced, and the low-delay communication is realized.
Owner:TONGJI UNIV
Depth data processing device and method for base station
PendingCN113784374AReduce forwardingEasy to handleNetwork traffic/resource managementData switching networksMobility managementMobile Web
The invention discloses a depth data processing device and method for a base station, and belongs to the technical field of telecommunication. According to the invention, a deep data processing device for deep learning and processing signaling control messages, IMS protocol messages and data messages is deployed between a base station and a UPF / SGW / SGW / core network, so that the mobility management capability and IMS conversation capability of mobile communication are kept; a management plane component sets formats of data messages transmitted by interfaces in a control plane component and presets a global configuration table and a distribution table which are used for loading transparent transmission and local forwarding processing information, the control plane component deeply learns messages and generates a forwarding table, and a forwarding plane component is used for realizing local processing and extremely-low-delay forwarding of GTP messages on a base station side. The access of more mobile terminals is realized within the limited base station spectrum bandwidth, and the access to a local network or a base station operator network is realized with lower delay, so that the local access quality of the mobile terminals is greatly improved, the spectrum utilization rate of the base station is greatly improved, and the mobile network is promoted to reach carbon neutralization and carbon peak-reaching indexes.
Owner:某某科技南京有限公司
Electronic device, elastic piece assembly thereof, and elastic piece thereof
PendingCN110299606AReduce forwardingLower resistanceAntenna supports/mountingsRadiating elements structural formsEngineeringMotherboard
The invention provides an electronic device, an elastic piece assembly thereof and an elastic piece thereof. The elastic piece includes an integrated structure which comprises a main body portion, a mounting portion and elastic legs. The mounting portion and the elastic legs are respectively connected to the main body portion, the mounting portion is provided with a mounting hole, and the elasticpiece is connected to an external device through the mounting hole. The elastic legs are used for abutting with an external device to allow the external device connected to the mounting portion and the elastic legs to be in electrical conduction. The elastic piece provided by the embodiment of the invention has a simple structure, an antenna (metal frame) can be connected to a main board (PCB), the transfer is less, the resistance is low, the reliability is good, the edge of the electronic device can be narrowed to the extreme, therefore, the screen ratio can be higher, and the competitivenessof electronic device is improved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Lumbar Interbody Fusion Cage for Treating Lumbar Spondylolisthesis via Lateral Approach
ActiveUS20180360614A1Reduce forwardingReduction of backward spondylolisthesisBone implantJoint implantsLumbar spondylolisthesisLumbar vertebrae
The disclosure claims a lumbar interbody fusion cage for treating lumbar spondylolisthesis via a lateral approach. The lumbar interbody fusion cage comprises a supporting frame body, wherein upper and lower blades are mounted on the upper and lower end surfaces of the supporting frame body, a distracting component for driving the upper and lower blades to axially distract along a lumbar interbody and an orthotopic moving component for driving the upper and lower blades to move along the lumbar interbody back and forth are mounted in the supporting frame body, the upper and lower blades respectively extend to form lateral lobes, fixing holes through which fixing nails penetrate are formed on the lateral lobes, the fixing nail of the upper lateral lobe penetrates backward from bottom to top in a slanting way to give a certain rear thrust to the slipped lumbar vertebrae and help reduction of the lumbar spondylolisthesis, and the fixing nailing of the lower lateral lobe penetrates forward from top to bottom to give a forward thrust to the lumbar vertebrae and help the reduction of the lumbar spondylolisthesis. The lumbar interbody fusion cage can solve both an intervertebral spacing and dislocation arisen from forward and backward lumbar spondylolisthesis, has easy operation and small pain to patients, and is safer and more reliable.
Owner:THE SECOND AFFILIATED HOSPITAL OF WENZHOU MEDICAL UNIV +1
Battery cut-off device and battery pack system
ActiveCN112092755AHighly integratedReduce volumeElectric/fluid circuitElectrical batteryControl system
The invention discloses a battery cut-off device and a battery pack system, and belongs to the technical field of vehicles. The battery cut-off device comprises a shell assembly, a cover body, a cut-off control unit BDU and a battery control system BMS. The shell assembly is provided with a containing chamber and a first through hole formed in the side wall of the shell assembly; the cover body isfixedly connected to the shell assembly, and a containing groove is formed between the cover body and the shell assembly; the cut-off control unit BDU is positioned in the containing chamber; the battery control system BMS comprises a main control unit, a slave control unit, a first wire harness, a second wire harness and a third wire harness, the main control unit is located in the containing chamber, the slave control unit is fixed in the containing groove, and the main control unit is electrically connected with the BDU through the first wire harness, electrically connected with the slavecontrol unit through the second wire harness penetrating through the first through hole, and electrically connected with the communication end of a vehicle through the third wire harness; and the battery cut-off device and the battery pack system provided by the invention have the advantages that the size is smaller, the occupied space is smaller, and the internal resistance is smaller.
Owner:CHINA FIRST AUTOMOBILE
Low-orbit satellite reverse seam communication switching method
PendingCN113258987AReduce latencyImprove the success rate of switchingRadio transmissionWireless communicationPhysicsTelecommunications
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Cross-network communication method and address translation equipment
The invention discloses a cross-network communication method and address conversion equipment, and the method comprises the steps: receiving a user access request based on a first network center, analyzing the user access request, and obtaining a request resource type carried in the user access request; determining a network center to which the request resource type belongs; if the request resource type belongs to the first network center, sending the user access request to a server at the side of the first network center; and if the request resource type belongs to the second network center,converting an address carried in the user access request to obtain a modified access request, and sending the modified access request to a server at the second network center side. According to the method provided by the invention, cross-network communication of two different networks can be realized, and the address conversion equipment can selectively carry out address conversion according to the type of the request resource, so that the times of data forwarding and skipping can be greatly reduced, the data transmission path is shortened, and the resource access speed of a user is improved.
Owner:WUHAN GREENET INFORMATION SERVICE
Method for transmitting group call configuration information, MME, and system for transmitting group call configuration information
ActiveCN108900983AReduce shockReduce forwardingBroadcast service distributionLinked listBase station
The present invention provides a method for transmitting group call configuration information, an MME, and a system for transmitting group call configuration information, wherein the method includes steps of receiving, by the MME, a first message sent by a first base station, wherein the first message includes the group call configuration information of the first base station and a target base station list; for each second base station in the target base station list, inserting the group call configuration information of the first base station into the cache linked list of the second base station for caching the group call configuration information; when the number of nodes in the cache linked list reaches a preset value, combining the group call configuration information of all first basestations in the cache linked list to obtain a second message; and sending the second message to the second base station through a S1 port. It can be seen that the group call configuration informationsent from different first base stations to the same second base station is cached first, and then the cached group call configuration information of the plurality of first base stations are combinedand sent to the second base station. Thus, the message forwarding amount of the S1 port is reduced, a signalling loss probability of the S1 port is reduced, and the normal service and performance of the system are guaranteed.
Owner:CHENGDU TD TECH LTD
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