37results about How to "Reliable forwarding" patented technology

A medical implant has at least one interface for bidirectional wireless data exchange, a data memory, and a controller. The controller and interface perform a wireless data exchange with at least two different external devices, resulting in at least two different data communication channels, one channel being assigned to data communication with the programming device and a second channel being assigned to data communication with a central service center. The medical implant is also designed to receive control commands and / or messages over the second channel while the second channel is active, and to recognize received control commands and / or messages intended for a programming device, store them temporarily in a memory (if necessary), and forward them to a programming device via the first channel when the first channel is active.

An improved system and method for providing context information of executable code to an input method is provided. Advanced text input methods may be made aware of the type of text expected to be received as input so that input methods may achieve a higher accuracy in recognition of text input. Generic interfaces provide a framework for supporting application authoring platforms to allow application developers to easily specify context information to the system and have it reliably forwarded to the correct input methods. Additionally, a context tagging tool may associate specific text input fields of an existing application with an input scope without modifying the application itself. The context tagging tool may create a manifest that contains tags associating the specific text input fields with an input scope. Any advanced input methods use by the application may be updated with instructions for accessing the context information stored in the manifest.

The invention discloses a method for forwarding a packet message, which comprises the following steps: forwarding the packet message to a corresponding transmission channel according to the message type or the message type and the message type / service type after the packet message is received. The invention further discloses a system and a device for forwarding a packet message. The invention can realize more rapid, better and more reliable forwarding of the important messages with high priority, particularly in case of inadequate resources, network congestion and the like.

The method includes following steps: the requirement response message is transmitted to all routes in the route table of route equipment, the route receiving the response message is determined; when the router equipment needs to retransmit message, the message will be retransmitted by route receiving the response message in the route table. The invention optimizes the route table according to the next jump network equipment.

An improved system and method for providing context information of executable code to an input method is provided. Advanced text input methods may be made aware of the type of text expected to be received as input so that input methods may achieve a higher accuracy in recognition of text input. Generic interfaces provide a framework for supporting application authoring platforms to allow application developers to easily specify context information to the system and have it reliably forwarded to the correct input methods. Additionally, a context tagging tool may associate specific text input fields of an existing application with an input scope without modifying the application itself. The context tagging tool may create a manifest that contains tags associating the specific text input fields with an input scope. Any advanced input methods use by the application may be updated with instructions for accessing the context information stored in the manifest.

The embodiment of the invention relates to the field of computer networks and discloses a multicast message processing method and a multicast message processing device. The method comprises the following steps of: receiving a multicast message, and acquiring a local router interface corresponding to the multicast message according to multicast routing entries carried by the multicast message; andmaking the multicast message pass through the acquired local router interface, and forwarding the multicast message to a cluster routing system for transmission. A plurality of pieces of routing equipment can be clustered into a virtual routing system which is a single routing node supporting multicast service externally, so that high-efficiency and reliable routing forwarding of the multicast message can be realized in a virtually polymerized cluster routing system. Therefore, the cluster routing system can efficiently support the multicast service at high quality.

The invention relates to a process for relaying remote control signals, specifically to a method using wireless communicating for relaying optical signals, which resolves the code error problem due to accumulated deviation in the relaying. The method includes: a transmitter receiving remote command signals sent by an infrared remote-controller, and digitalizing them into a set of codes and storing in order in a first memory cell group; the transmitter establishing a digital coding classification table, analyzing the affiliated category number of each encode value in the first memory cell group in order according to the classification table, and storing in order in a second memory cell group; the transmitter transmitting various category numbers in the second memory cell group in order to a receiver, the receiver receiving and storing the category number sequence; the receiver establishing a digitization encode classification table; the receiver reverting the category number sequence into a group of remote command codes with positive and negative impulse width duration time sequence according to the classification table, and then transferring to infrared sensors on the household electrical appliance in an infrared ray transmission mode.

The invention discloses a vehicle-mounted diagnostic data sharing terminal system. The system comprises a vehicle-mounted diagnostic data sharing terminal loaded with software, and the vehicle-mounted diagnostic data sharing terminal is connected with a power supply and a debugging interface used for debugging the software performance through an auxiliary peripheral circuit and further connected with a vehicle-mounted computer and a diagnostic data cloud and performs two-way communication. The vehicle-mounted diagnostic data sharing terminal system further comprises an MCU module which is connected with a vehicle-mounted computer interface subsystem, a cloud sharing interface subsystem, a local storage subsystem and the auxiliary peripheral circuit. The system can be directly connected with the vehicle-mounted computer in a butting mode, acquires diagnostic data through information interaction with the vehicle-mounted computer, achieves real-time sharing of the diagnostic data through wireless communication according to the system requirement and has the enough data handling capacity for coping with the flow of the diagnostic data.

The embodiment of the invention provides a forward data processing method and device. The method comprises the following steps: determining whether a forward message to be sent to a target base station is a transmission control protocol TCP proxy message or not; if the forwarding message is a TCP proxy message, adding a user plane tunnel terminal identifier (TEID) of a source base station into theforwarding message to generate a target forwarding message; and sending the target forwarding message to a target base station side. The TEID of the source base station side is carried to the targetbase station side, the target base station can conveniently return ACK for the TCP proxy message, and reliable forwarding of TCP proxy data is realized.

The invention discloses a vehicle networking hybrid route forwarding strategy based on named data network. In a vehicle networking environment, with multiple message types, including security messages, entertainment news, the public service message and the auxiliary driving message, taking into account geographic location information, the impact of message classification and the need for real-timemessaging on message delivery, messages are categorized into location-dependent and location-independent, each type of message contains an emergency message and a normal message, and different forwarding strategies are adopted to carry out adaptive forwarding, so as to realize fast and reliable forwarding of messages in vehicle networking environment, reduce transmission delay, reduce packet lossrate, thus providing technical guarantee for fast and reliable message forwarding in vehicle networking, and improve the forwarding efficiency of messages.

A medical implant has at least one interface for bidirectional wireless data exchange, a data memory, and a controller. The controller and interface perform a wireless data exchange with at least two different external devices, resulting in at least two different data communication channels, one channel being assigned to data communication with the programming device and a second channel being assigned to data communication with a central service center. The medical implant is also designed to receive control commands and / or messages over the second channel while the second channel is active, and to recognize received control commands and / or messages intended for a programming device, store them temporarily in a memory (if necessary), and forward them to a programming device via the first channel when the first channel is active.

An improved system and method for providing context information of executable code to an input method is provided. Advanced text input methods may be made aware of the type of text expected to be received as input so that input methods may achieve a higher accuracy in recognition of text input. Generic interfaces provide a framework for supporting application authoring platforms to allow application developers to easily specify context information to the system and have it reliably forwarded to the correct input methods. Additionally, a context tagging tool may associate specific text input fields of an existing application with a n input scope without modifying the application itself. The context tagging tool may create a manifest that contains tags associating the specific text input fields with an input scope. Any advanced input methods use by the application may be updated with instructions for accessing the context information stored in the manifest.

The invention provides a special networking communication system and method, and relates to the technical field of communication. The system comprises a source base station and a next base station connected with the source base station in a communication manner, a wireless forwarding station of the source base station is used for receiving to-be-forwarded data transmitted by a source paging deviceand transmitting the to-be-forwarded data to a wireless link machine of the source base station, the wireless link machine of the source base station is used for obtaining a first preset time slot for forwarding through the wireless link machine when receiving the to-be-forwarded data so that the to-be-forwarded data is transmitted to the next base station in the first preset time slot, a wireless link machine of the next base station is used for obtaining a second preset time slot for forwarding through the wireless link machine when receiving the to-be-forwarded data in the first preset time slot so that the to-be-forwarded data is forwarded through the wireless link machine in the second preset time slot. Through the above setting, the to-be-forwarded data can be effectively and reliably forwarded during communication.

The invention relates to a process for relaying remote control signals, specifically to a method using wireless communicating for relaying optical signals, which resolves the code error problem due to accumulated deviation in the relaying. The method includes: a transmitter receiving remote command signals sent by an infrared remote-controller, and digitalizing them into a set of codes and storing in order in a first memory cell group; the transmitter establishing a digital coding classification table, analyzing the affiliated category number of each encode value in the first memory cell group in order according to the classification table, and storing in order in a second memory cell group; the transmitter transmitting various category numbers in the second memory cell group in order toa receiver, the receiver receiving and storing the category number sequence; the receiver establishing a digitization encode classification table; the receiver reverting the category number sequence into a group of remote command codes with positive and negative impulse width duration time sequence according to the classification table, and then transferring to infrared sensors on the household electrical appliance in an infrared ray transmission mode.

The invention discloses a method for monitoring communication faults of a CAN bus node by a vehicle-mounted gateway and gateway equipment, and belongs to the technical field of vehicle-mounted communication. The method is implemented by the following steps: a message is selected from messages sent by ECUs in each network segment as a key message, wherein the key message is a periodic message or a periodic event message, and the selected message period is smaller than a preset period value; according to whether the key messages of the ECUs can be received, whether node loss occurs in the ECUs is determined; and a signal value in a communication fault message is set, and whether a source node is lost or not is judged by a target network segment node according to the signal value in the communication fault message, wherein the signal value in the communication fault message is used for identifying whether a certain ECU has node loss or not. According to the invention, the receiving node of the target network segment can judge whether the message / signal of the source node is valid.

The embodiment of the invention provides a flow field measurement device and a flow field measurement system, and the device comprises an acquisition module which is used for sensing to-be-collected information in a flow field, and converting the sensed to-be-collected information into an electric signal; and a wireless transmitting module which comprises a wireless data transmitting module, a single chip microcomputer and an antenna system, wherein the wireless data transmitting module is connected with the acquisition module to obtain an electric signal and transmit the electric signal to the antenna system, the single-chip microcomputer is connected with the antenna system so as to control the antenna system to establish point-to-point data transmission connection with the target device, and the antenna system sends an electrical signal to the target device. Therefore, wireless transmission from the acquisition module to the target equipment is realized, a line between the flow field measurement device and the target equipment does not need to be arranged, the wiring difficulty is reduced, and meanwhile, a point-to-point transmission mode is established between the flow field measurement device and the target equipment, so when a transmission fault occurs, the fault communication link can be conveniently positioned by inquiring the fault information, so the maintenance cost is reduced.

The invention discloses a method for implementing bidirectional transmission of third-party data by utilizing a Beidou short message, which comprises the step that: a third-party management terminal and a third-party terminal carry out bidirectional data transmission by a Beidou short message data management terminal and a Beidou terminal with a short message data communication function; the communication management terminal is used for carrying out grouping management on the Beidou terminal and carrying out management of communication modes; and the communication modes comprise unicast, multicast and announcement call. According to the invention, in a region without a GPRS, Ethernet and the like, a short message data communication function of the Beidou terminal is used, a data transmission channel is set up between the third-party terminal and the third-party management terminal, bidirectional, rapid, reliable and transparent transmission of third-party data is implemented, the method is convenient for a user to use, and maintenance cost can be reduced.

The embodiment of the invention provides a forward data processing method and device. The method comprises the following steps: determining whether a forward message to be sent to a target base station is a transmission control protocol TCP proxy message or not; if the forwarding message is a TCP proxy message, adding a user plane tunnel terminal identifier (TEID) of a source base station into theforwarding message to generate a target forwarding message; and sending the target forwarding message to a target base station side. The TEID of the source base station side is carried to the targetbase station side, the target base station can conveniently return ACK for the TCP proxy message, and reliable forwarding of TCP proxy data is realized.

A data transmission method is provided. The method includes: establishing, by a first NAT-T sub-module of a TCP server proxy module, a transmission channel with a second NAT-T sub-module of a TCP client proxy module via a NAT-T signal server; and transmitting, by a client, a data packet to a server module in the transmission channel via the TCP server proxy module and the TCP client proxy module; wherein when a first reliable transmission sub-module of the TCP server proxy module and a second reliable transmission sub-module of the TCP client proxy module receive the data packet, the first reliable transmission sub-module and the second reliable transmission sub-module detect the transmission channel and the data packet, and suitably control the transmission channel and the data packet according to a detection result so that the data packet is reliably forwarded between the client module and the server module.

The invention discloses a task scheduling method and device, electronic equipment and a storage medium. The method comprises the steps that a task list is scheduled from a database, tasks in the task list are delivered to a task message queue RabbitMq, and the tasks comprise timed tasks and non-timed tasks; monitoring a task message of a mailbox corresponding to the task message queue RabbitMq; in response to the monitoring, consuming the task in the task message queue; and after the task list is consumed, deleting the task list from the database. According to the task scheduling method and device, it is guaranteed that the task messages cannot be lost through the database, forwarding of the task messages is more reliable through the mailbox of the task message queue RabbitMq, application programs can be more seamlessly integrated during task execution, and the task scheduling efficiency is improved.

The invention discloses a physical address table management interaction method of an airborne soft and hard stacked switch, which is applied to soft and hard stacked switch equipment included in an airborne local area network, and comprises the following steps of: starting the soft and hard stacked switch, creating a plurality of soft network bridge ports for the soft switch, creating a pluralityof hard network bridge ports for the hard switch, and emptying a corresponding physical address table; generating a physical address table of equipment corresponding to the port at each port; configuring a physical address table generated by the soft network bridge port to an uplink port of the soft switch; enabling the downlink port of the soft switch to generate a physical address table of equipment corresponding to the hard network bridge port; completing forwarding among all the soft network bridge ports by software, and establishing data communication among equipment corresponding to allthe soft network bridge ports; and establishing a two-way communication link between the equipment corresponding to the soft network bridge port and the equipment corresponding to the hard network bridge port in combination with the soft network bridge uplink port and the soft network bridge downlink port. The invention provides a reasonable physical address table management method of a soft and hard stacked switch.

The embodiments of the present invention relate to the field of computer networks, and disclose a method and an apparatus for processing a multicast packet. The method includes receiving a multicast packet (101), acquiring a local router interface corresponding to the multicast packet according to a multicast routing entry carried in the multicast packet (102), and forwarding the multicast packet through the acquired local router interface to a clustered routing system interface for further transfer (103). The embodiments of the present invention can cluster several routing devices into a virtual routing system which externally acts as a single routing node for supporting a multicast service, so as to implement the efficient and reliable forwarding of the multicast packet in a clustered routing system with virtual aggregation, and enable the clustered routing system to support the multicast service with high efficiency and quality.

The method includes following steps: the requirement response message is transmitted to all routes in the route table of route equipment, the route receiving the response message is determined; when the router equipment needs to retransmit message, the message will be retransmitted by route receiving the response message in the route table. The invention optimizes the route table according to the next jump network equipment.

The invention provides a static vehicle-mounted Ethernet switch message forwarding method and system and a computer, and the method comprises the steps: constructing a network topology model which comprises a total network, the total network comprises a plurality of network nodes, and the network nodes comprise switches; identifying VLAN ID information in a message sent by a vehicle-mounted Ethernet through a switch, and respectively setting a corresponding forwarding rule for data flow of each VLAN; and identifying a corresponding message type according to the VLAN ID information in the message, and statically forwarding the message data to a preset corresponding message target port according to the message type and the forwarding rule. According to the static vehicle-mounted Ethernet switch message forwarding method provided by the invention, the message data can be statically forwarded to the preset corresponding message target port according to the message type and the forwarding rule, so that the message can be rapidly, efficiently and reliably forwarded in the vehicle-mounted Ethernet.

The invention relates to a CAN network bridge communication system, method and device and a storage medium. The system comprises: two microcontrollers, each of which is provided with two CAN interfaces; the two microcontrollers communicate with each other through two pairs of master-slave peripheral SPIs (Serial Peripheral Interface); the microcontroller is used for identifying a target CAN interface of the data when a CAN interface of the microcontroller or a peripheral SPI interface receives the data, and directly forwarding the data to the corresponding target CAN interface when identifying that the target CAN interface of the data is the CAN interface of the same microcontroller; and when the target CAN interface of the data is identified as the CAN interface of the other microcontroller, forwarding the data to the other microcontroller through a peripheral SPI (Serial Peripheral Interface). According to the invention, the time for processing the notification signal of the slave computer by additionally interrupting the SPI single host communication is reduced, the number of CAN channels is met, and meanwhile, the high throughput up to 6000 fps is ensured, so that the limitation of a multi-channel CAN network bridge in the aspect of microcontroller type selection is weakened.

The invention relates to the technical field of wireless short-wave communication, in particular to a short-wave automatic message forwarding method and device. The method specifically comprises the following steps: S1, a message forwarding station network comprising a plurality of message forwarding stations is established; S2, in the message forwarding station network, the current message forwarding station sends a link establishment request comprising an initiator, a routing value and a destination to other message forwarding stations in the message forwarding station network; s3, the message forwarding station receiving the link establishment request analyzes the destination from the link establishment request, and if the message forwarding station receiving the link establishment request is the destination, link establishment with the initiator is completed, and a communication link is formed; otherwise, forwarding information is added to the link establishment request, the link establishment request with the added forwarding information is sent out, and the forwarding information comprises the information of the forwarding station and the routing weighted value of the forwarding station. By adopting the link establishing method and the link establishing device, the communication link is dynamically established in real time, the signal-to-noise ratio of the communication signal of the relay station on the long-distance communication link is ensured to be the current optimal all the time, and the communication quality is improved.

The invention relates to an energy perception opportunity routing control method for a mobile nano network. After initialization, node serial numbers are decreased progressively to the periphery by taking the aggregation node as the center; a data packet is sent to an aggregation node by taking any nano node as a starting point; and after candidate node selection is carried out, when residual energy is enough to send a data packet and receive confirmation information, the data packet is perceived and forwarded, the candidate node successfully returning ACK is used as a new nano node, and transmission to the next nano node is continued until the data packet reaches the aggregation node. The method is efficient and reliable, the direction of the aggregation node is judged according to the serial number, and the transmission reliability is improved by the candidate nodes, so that the randomly moving nano nodes accurately and reliably forward the data packet, the problem of data packet transmission failure is reduced, and the transmission efficiency is improved; the nano node forwards the data packet under the condition of sufficient energy, the concept of opportunity routing is introduced, and the broadcast characteristics of the wireless network is fully used, thereby effectively improving the performance of the mobile nano network.