62results about How to "Avoid communication interruption" patented technology

The invention discloses a method for realizing the priority processing of a specific message by utilizing a redirection technique. The method refers to a message processing system applied to a high-end exchanger of the Ethernet. When redirection rules are established, the method carries out data extraction to attribute fields, such as target MAC address, IP protocol type and port number in a specific protocol message, which are related to by an exchanger when data is processed, and writes the attribute fields into the menu item of an exchanging chip of a line card; the exchanging chip of the line card carries out automatic redirection to the protocol message according to the redirection rules; therefore, when the message is processed, the line card automatically transmits the specific protocol message to a main control board at high speed by an HG. After adopting the method, when the line card is impacted by messages of large flow, the exchanger still can ensure that: 1. the STP state of the port of the exchanger can be kept stably; 2. OSPF neighbors can be maintained, and route can be updated normally; 3. BGP neighbors can be maintained, and the route can updated normally.

The method comprises: the mobile node makes a switching decision and gets the information about its neighboring network access points; the mobile node establishes connection with one target network point in the list of its neighboring network access points; if the establishment of network connection fails, the mobile node establishes connection with other one un-connected target network access point in list of its neighboring network access points.

The invention discloses a method for sending and receiving an IP message and a device thereof. When the IP message that is not header-compacted is sent by a sender, transport protocol identification is carried in the message; the transport protocol identification is used for identifying the type of a compacted real-time transport protocol adopted by the sender; and the type of the compacted real-time transport protocol consists of a common compacted real-time transport protocol and an enhanced compacted real-time transport protocol. A receiver receives the message and can know the protocol adopted by the sender according to the transport protocol identification. Communication interrupt caused by the discrepancy of the compacted real-time transport protocols adopted by both communication parties can be avoided.

The present invention relates to a monitoring system, and discloses a standard measurement unit and method used for an electric energy metering remote on-line monitoring system. The standard measurement unit used for the electric energy metering remote on-line monitoring system comprises a current input card, a voltage input card, a load sampling card, an error calculating card and a motherboard, and the current input card, the voltage input card, the load sampling card and the error calculating card are all connected with the motherboard to transmit the signals mutually. The measurement signals are inputted from the current input card, the voltage input card, the load sampling card and the error calculating card separately and are processed, and then a standard electric energy pulse signal is outputted via the motherboard. According to the present invention, by adopting a secondary loop measurement method and a pulse comparison method, and by the error calculating card, various functions, such as the standard measurement, the error calculation, the offline setting, the system calibration, etc., are realized, so that the monitoring system possesses a stronger anti-interference capability and a higher reliability, and the measurement precision of the monitoring system is also improved substantially.

A radio communication system, preventing communication disconnection when a communication failure occurs in a base station, is provided. The radio communication system includes a common base station (BTS-C) communicable with each communication area of the plurality of BTS (FIG. 1A), in addition to a plurality of base stations (BTS) each located in each communication area. In place of a base station BTS which becomes a communication impossible state with a terminal in the communication area, the BTS-C communicates with the terminal MS in the communication area concerned.

The invention provides a frequency point switching anti-interference wireless local area network communication method and device, and the method comprises one anti-interference access point and a plurality of anti-interference terminals, and the anti-interference access point and the anti-interference terminals are developed based on an IEEE 802.11 software radio platform GRT system. According tothe invention, idle channels with less interference are selected for communication by using wireless spectrum sensing, so that the influence of busy channels or channels with more interference on thecommunication quality is effectively reduced; through random frequency point switching among a plurality of channels, communication interruption caused by burst interference in a single channel is avoided; besides, even if a channel in communication is interrupted by sudden interference, the alternative channel list carried in the beacon frame can enable the anti-interference access point and theterminal to be switched to other channels at the same time for continuous communication, so that the robustness of the system is improved; on the premise of having high compatibility with WiFi, compared with the prior art, the influence of interference in a channel on the communication rate and reliability is remarkably reduced.

A wireless communication method and a wireless communication system wherein any communication interruption caused by changing RRB arrangement information can be avoided. In ST301, Node B (100) transmits informative information including the RRB arrangement information and RRB arrangement version. In ST302, UE (200) holds the RRB arrangement information and RRB arrangement version included in the informative information received from Node B (100). In ST303, UE (200) creates CQI information including both a CQI report value, which is calculated by use of the held RRB arrangement information, and the held RRB arrangement version. In ST304, UE (200) transmits the CQI information to Node B (100). In ST305, Node B (100) performs a scheduling based on the RRB arrangement information determined from the RRB arrangement version included in the received CQI information. In ST306, Node B (100) transmits the scheduling information to UE (200).

The invention discloses a coal mining machine monitoring system which comprises a coal machine wireless controller, support wireless transceivers and an underground control host. The coal machine wireless controller is connected with a coal mining machine in a communicating mode. The support wireless transceivers are connected with the coal machine wireless controller in a wireless communicating mode and receive coal mining machine operation parameters output by the coal machine wireless controller. The underground control host receives coal mining machine operation parameters output by the support wireless transceivers and directly issues a coal mining machine control instruction or uploads coal mining machine operation parameters to the ground. The support wireless transceivers are distributed in a support of a coal mine shaft, by means of radio frequency transmission, the coal mining machine moves in the operation process, a power cable also acts in a bent mode, by means of radio frequency transmission, the problem of communication interruption caused by moving of the coal mining machine can be avoided, and the problem of data transmission of the coal mining machine is solved.

The invention discloses a red light running snapping system resisting lightning interference. The red light running snapping system resisting lightning interference comprises a camera used for shooting lane video information, a panoramic camera used for shooting panoramic video information, a traffic light control unit, a first arrester, a control unit and a second arrester, wherein the traffic light control unit is installed in an intersection equipment box and used for detecting the state of traffic lights, the first arrester is installed in the intersection equipment box and connected with the traffic light control unit, the control unit is installed in the intersection equipment box and connected with the camera, the panoramic camera and the traffic light control unit and obtains images of vehicles travelling against traffic rules and traffic rule breaking information, and the second arrester is installed in the intersection equipment box and connected with the control unit. According to the red light running snapping system resisting thunder and lightning interference, the situation that equipment damage, communication outage and information loss of the red light running snapping system are caused by lightning interference is avoided.

The invention discloses a wireless roaming method, a wireless roaming device and an electronic device. The method comprise the following steps: when in a plurality of wireless network hotspot ranges with the same service set IDs, obtaining current device motion status parameters; detecting whether the current device motion status parameters satisfy the conditions for starting a wireless roaming function; and if the conditions are satisfied, scanning for a wireless network hotspot, and starting the wireless roaming function. According to the technical scheme, the method can accurately determine whether a user has a demand for scanning for hotspots and / or replacing hotspots; the method conducts hotspot scanning only when confirms that the user has the demand for scanning for hotspots, so that a current device is prevented from scanning for hotspots frequently and is further prevented from replacing hotspots frequently, which causes frequent communication interruption.

The invention provides a process for negotiating the life cycle of internet key exchange security alliance and the device, wherein the process indicates an initiation end and a response end to conduct the negotiation of the life cycle of the IKE SA through utilizing the negotiation identification of the IKE SA life cycle in the IKE SA negotiation process, thereby negotiating the IKE SA into a smaller value in the IKE negotiation process.

The invention provides receiving equipment, transmitting equipment, and a line fault processing method and system. The receiving equipment comprises a receiving-end line fault processing module, a multiplexer, at least two receiving modules and at least two transmitting modules respectively corresponding to the receiving modules, wherein the receiving-end line fault processing module is used for receiving line fault information and transmitting a line fault notice generating instruction to the transmitting modules corresponding to the receiving modules; the transmitting modules are used for generating line fault notices and transmitting the line fault notices to the transmitting equipment so as to make the transmitting equipment issue an effective data unit to other receiving modules, except for the receiving modules corresponding to a communication line identifier, of the receiving equipment; the receiving-end line fault processing module is further used for transmitting a first recombination strategy updating instruction to the multiplexer; and the multiplexer responds to the first recombination strategy updating instruction and performs recombination processing on the effective data unit received by the other receiving modules so as to acquire the data transmitted by the transmitting equipment.

The invention discloses an LED lighting communication device and an LED lighting communication system. The LED lighting communication device comprises a communication controller, a multi-chip visible light wave band LED and an infrared wave band LED, wherein the communication controller sends signals to the multi-chip visible light wave band LED and the infrared wave band LED. Therefore, through different multi-chip lighting, lighting effects of formed white light can be superposed on the one hand, and a plurality of communication channels with an independent wave band can be acquired on the other hand, thereby meeting more communication requirements.

Provided are a method and a Base Station (BS) for transmitting a control channel and a method and a User Equipment (UE) for receiving a control channel in a wireless communication system. The BS includes: a transceiver; and at least one processor configured to control the transceiver to receive Beam State Information (BSI) from the UE through at least one first beam, identify a second beam, based on the BSI, and control the transceiver to transmit a first BSI request to the UE through the second beam, identify a third beam, based on information on the at least one first beam, and determine whether control the transceiver to transmit the control channel to the UE through the third beam.

The invention discloses an adaptive robust video coding method based on a millimeter wave system. The method includes the following steps: performing tensor decomposition significance extraction on avideo source, and allocating video contents to an encoder in combination with the code rate allocation; and controlling the encoder to operate through scene modeling, specifically including the following situations: if a line-of-sight path and a relay path are unobstructed, adopting an HEVC encoder, and determining the number of coding paths of an adaptive multiple description encoder by combiningthe number of communication paths and the path channel state, and further implementing the video transmission of the line-of-sight path and / or the relay path; and if the line-of-sight path and / or therelay path are / is unstable, adopting an SHVC encoder, determining the number of the coding paths of the adaptive multiple description encoder by combining the number of paths and the path channel state, and further implementing the video transmission of two or three of the relay path, the line-of-sight path and a first-order reflection path through Fountain codes. According to the scheme of the invention, the basic video service of a user under harsh network conditions can be guaranteed, and the video quality can be improved as much as possible under relatively stable network conditions.

The invention discloses a comprehensive monitoring front-end system based on a dynamic load balancing mode and a working method. The comprehensive monitoring front-end system comprises an equipment communication unit, a scheduling management unit, a protocol analysis unit and a data processing unit, wherein the core scheduling management unit comprises a channel management module related to the dynamic load balancing method, a node communication module, a load measurement analysis module, a task scheduling module and a strategy execution module. Under the condition that a plurality of serverswork, a load balancing technology based on dynamic adjustment is provided according to the performance of the servers, the load and other factors, the load balancing technology can effectively reducethe response time, improve the efficiency of the system, and achieve a good effect.

The invention provides an air base station position determination method and device, and the method comprises the steps: obtaining the historical ground terminal number data of a target region, and predicting the ground terminal number of the target region in a target time period according to the historical ground terminal number data; if the number of the ground terminals of the target area in the target time period is greater than a preset threshold, obtaining current ground terminal position information in the target area; and determining the position of the air base station according to the current ground terminal position information in the target area. According to the air base station position determination method provided by the invention, the number of the ground terminals of the target area in the target time period is predicted in advance before the service capability of the current base station cannot meet the requirements of the user; the position of the air base station is determined according to the current ground terminal position information in the target area, and the problem of communication interruption caused by untimely deployment of the air base station is avoided.

The invention discloses a router and a packet forwarding method thereof. The router comprises a node density calculating module, a transmission radius calculating module, an adjacent node detecting module, a forwarding node detecting module and a forwarding node selecting module, wherein the node density calculating module is used for calculating and storing network node density in a storage network; the transmission radius calculating module is used for calculating the maximum transmission radius of one node and storing the maximum transmission radius to the node; and the adjacent node detecting module is used for detecting the adjacent nodes in the maximum transmission radius of the node and storing the transmission distance from the adjacent nodes to the node. In the router and the packet forwarding method thereof, the forwarding node range is determined by adopting the optimum transmission radius and the maximum transmission radius, and the interruption and abnormality of communication caused by communication empty is effectively avoided by a surface traversal technology. Furthermore, in the invention, the utilization ratio of node energy is improved, so that the service lives of the node and the network are prolonged.

The invention discloses a cold chain equipment monitoring and management system, and relates to the field of equipment monitoring and management systems. The system comprises a system platform, a Zigbee gateway, a Zigbee routing relay and an equipment terminal. The system platform sets grid cabinet parameters and issues the grid cabinet parameters to the Zigbee gateway through a 5G module; the Zigbee gateway issues the grid cabinet parameters to the Zigbee routing relay through a Zigbee network; the Zigbee routing relay issues the data to the equipment terminal through the Zigbee network; theequipment terminal analyzes the data to execute an operation; after the operation is executed, the equipment terminal submits a feedback to the Zigbee routing relay through the Zigbee network, the Zigbee routing relay transmits the feedback to the Zigbee gateway through the Zigbee network, and the Zigbee gateway submits the data to a server through a 5G network; and the server analyzes the data tocheck the feedback, if the feedback succeeds, the parameter adjustment succeeds, and if the feedback fails, an execution instruction continues to be issued. The monitoring system achieves the purposes of monitoring and managing containers through the combination of a Zigbee ad hoc network and a wide area network, reduces the equipment communication cost, maintains continuous communication, avoidscommunication interruption, and can better supervise equipment.

The invention discloses a flow distribution method and equipment. The method provides an acceleration link list of a target application program, and the acceleration link list comprising a plurality of available acceleration links. The method comprises the following steps: receiving a plurality of target acceleration requests pointing to a target application program from the same source IP address; and in response to the plurality of target acceleration requests, distributing the flow of the target application requested by the same source IP address to a plurality of acceleration links in theacceleration link list. According to the technical scheme provided by the invention, the flow distribution stability can be improved.

The invention discloses a multi-agent adaptive formation control method for avoiding collision and communication interruption, and provides a method for selecting upper and lower bounds of a relative distance for a high-order uncertain system, and the relative distance is limited in a preset range based on a PPB method, so that collision or communication interruption between agents is avoided. A non-minimum rigid distributed formation is established by using an adaptive backstepping method, and all agents only need to acquire states of neighbors. Through the technical scheme of the invention, the problem of collision or communication interruption of the intelligent agents in the formation is avoided, and the purpose of improving the safety and reliability of the formation system is achieved.

The invention relates to a wireless communication system and a method for a stacker-reclaimer, and belongs to the field of Ethernet communication. The wireless communication system of the stacker-reclaimer comprises a vehicle-mounted directional antenna which is arranged on the stacker-reclaimer through a vehicle-mounted antenna support, is connected with a vehicle-mounted wireless access point and is accessed to a vehicle-mounted Ethernet through a wired cable or an optical cable; a ground directional antenna which is arranged at the end point of a running track of the stacker-reclaimer through a ground antenna bracket; wherein the vehicle-mounted directional antenna is connected with a ground wireless access point and is accessed to the ground Ethernet through wired connection, the vehicle-mounted directional antenna and the ground directional antenna are oppositely arranged, and a plane center vertical line of the vehicle-mounted directional antenna and a plane center vertical lineof the ground directional antenna are overlapped with a virtual reference line. According to the stacker-reclaimer wireless communication system, the number of involved devices is the smallest, the cost is the lowest, maintenance is the most convenient, and stable and effective transmission of data is achieved.

The present invention discloses a method, a device, and a system for network exit or de-registration of a femto base station. The network exit method includes: performing, a de-registration procedure with an access gateway; de-authenticating the femto base station through a security gateway and an authentication server; and tearing down a tunnel between the femto base station and the security gateway. The de-registration method includes: receiving, a de-register request message from an access gateway, where the de-register request message carries a first identifier of a neighboring base station or / and a second identifier of an access gateway other than the access gateway; directing a terminal currently served by the femto base station itself to hand over to the neighboring base station corresponding to the first identifier or / and registering with the other access gateway corresponding to the second identifier; and sending a de-register response message to the access gateway.

The invention relates to the technical field of communication, and provides a multi-beam antenna networking method and device. The method comprises the following steps: establishing a communication link with a first node, and determining a first antenna unit used for communication with the first node; during the process of carrying out the communication with the first node through the first antenna unit, receiving communication messages sent by the first node respectively through the first antenna unit and at least one second antenna unit, and searching for the antenna unit with the larger receiving power between the first antenna unit and the second antenna unit, wherein the second antenna unit is any antenna unit in an antenna array other than the first antenna unit; and if the antenna unit obtained through the searching is not the first antenna unit, switching from the first antenna unit to the antenna unit obtained through the searching for the communication with the first node. The method and device provided by the invention has the advantage that the communication reliability is higher.

The invention relates to an inter-cell switching method, device and equipment and a computer readable storage medium. According to the invention, the switching request for switching the terminal froma source cell to a target cell is sent to a second control network element through a first control network element in a same base station, and the second control network element sends the data switching indication information to the first control network element. The first control network element sends switching reconfiguration information to the terminal according to a switching request responsefed back by the second control network element, obtains identification information of the terminal, and sends the identification information of the terminal to the second control network element; andwhen the second control network element receives the identification information of the terminal and the reconfiguration completion response of the terminal, resource release indication information issent to the first control network element, so that the switching process of the terminal among different cells of the same base station is realized. The problem of communication interruption of the terminal during inter-cell switching across the same base station is effectively avoided, so that the service quality of the terminal in the inter-cell switching process is improved.

The invention discloses an intelligent electrical appliance control method and device, computer equipment and a storage medium. The method comprises the steps that communication connection is established with other intelligent electrical appliances; control information used for controlling the target intelligent electrical appliance is acquired; and the control information is transmitted to the target intelligent electrical appliance through communication connection. According to the method and the device, the computer equipment and the storage medium, multiple connection links between the control side and the target intelligent electrical appliance can be established on the basis of communication connection established between all the intelligent electrical appliances, and communication connection between the control side and the target intelligent electrical appliance is not influenced even if a certain connection link is disconnected so that the stability of communication can be guaranteed, i.e. the problem of communication interruption between the control side and the target intelligent electrical appliance caused by disconnection of the single connection link between the control side and the target intelligent electrical appliance can be avoided. Any one intelligent electrical appliance can act as the target intelligent electrical appliance and can also act as the relay equipment between the control side and the target intelligent electrical appliance.

A duplex optical connector plug includes: a first engagement latch being elastically deformable and including a first abutting projection configured to abut on a front end of a first top wall and a first engagement part formed on an axial rear side of the first abutting projection and configured to engage with an optical connector adaptor when the first optical connector assembly is inserted into the optical connector adaptor; and a second engagement latch being elastically deformable and including a second abutting projection configured to abut on a front end of a second top wall and a second engagement part formed on an axial rear side of the second abutting projection and configured to engage with the optical connector adaptor when the second optical connector assembly is inserted into the optical connector adaptor.

The invention discloses a CPLD-based switching circuit which can be applied to a network security device. The circuit comprises a bistable relay which is connected with the network interface of the network security device to switch a data link, a relay control circuit which is connected with the bistable relay to drive the relay control circuit of the bistable relay, a collecting circuit which is connected with the voltage input end of the network security device to collect the electrical signal of the network security device and output the collected signal, and the CPLD which is connected with the collecting circuit, the CPU of the network security device and the relay control circuit to control the operating state of the relay control circuit based on the collected signal or a signal transmitted by the CPU. When the network security device fails, the CPLD controls the relay control circuit to drive the bistable relay to switch the data link, so that a communication network is directly physically turned on. Communication interruption caused by the single point failure of the network security device is avoided. Normal communication between networks is ensured.

The invention discloses a double-channel power carrier communication system and a communication method thereof. The system comprises a microprocessing module, a transmission power amplifying circuit, a receiving and filtering circuit and a coupling circuit, wherein the output end of the microprocessing module is connected with the transmission power amplifying circuit, a signal is amplified and sent to a power line by the coupling circuit, the receiving and filtering circuit is connected with the coupling circuit to receive the signal from the power line, then the signal is filtered and sent to the microprocessing module, the receiving and filtering circuit comprises two paths of band pass filtering circuits, the microprocessing module is provided with two paths of signal receiving ends, and the signal receiving ends are correspondingly connected with the two paths of band pass filtering circuits to receive and process the signal. The communication system has the advantages that the burstiness on the pulse noise is realized, the channel with less noise influence can be automatically detected and selected for communication, and the influence by the pulse noise is effectively avoided.