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Routing method and device

A technology for selecting devices and routing, which is applied in the field of communication, and can solve problems such as failure to improve communication reliability, node failure, etc.

Active Publication Date: 2018-10-16
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the above scheme, only the length of the route is considered, but in the actual communication process, the nodes in the route often fail. It can be seen that taking the shortest path as the only factor for selecting the target route does not improve the reliability of communication

Method used

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Embodiment Construction

[0042] The embodiments of the present application are applicable to wired or wireless networks, such as wireless Mesh networks that combine advantages of WLAN and AdHoc networks. Wireless Mesh networks are low-power multi-level hop systems. The way they process messages is to transfer information packets from one node to another until the information packet reaches the destination. Each wireless Mesh network node can be used as an access terminal, and can also have routing and information forwarding functions, with a very high degree of freedom in networking. The source node, target node and intermediate node in the embodiment of the present application are all nodes in the applicable network of the embodiment of the present application, and each node in the source node, target node and intermediate node has routing and information forwarding functions.

[0043] In the embodiment of the present application, the two parties of the data transmission are respectively referred to ...

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Abstract

The embodiment of the invention relates to the technical field of communications, especially relates to a routing method and device, and is used for selecting a target route by combining the capability of a route to resist failures, thereby improving the communication reliability. In the embodiment of the invention, an NMC score of an intermediate node is obtained according to the number of polygons constructed by the intermediate node, and the intermediate node is the vertex of a polygon constructed by the intermediate node, that is, the NMC score of one intermediate node can reflect the number of the polygons that the intermediate node participates in constructing; since the polygon is closed, and the intermediate node is the vertex of the polygon, the number of the polygons constructedby the intermediate node can reflect the fault repairing capability of the intermediate node after a link of the intermediate node is faulty, and the target route selected based on the fault repairingcapability of the intermediate node improves the communication reliability.

Description

technical field [0001] The present application relates to the communication field, and in particular to a routing selection method and device. Background technique [0002] Wireless Mesh network, also known as wireless mesh network or wireless mesh network, combines the advantages of wireless local area network (Wireless Local Area Network, WLAN) technology and AdHoc network, and is a network with large capacity, high speed and wide coverage. Wireless Mesh networks are low-power multi-hop (multihop) systems. The way they process messages is to transfer information packets from one node to another until the information packet reaches the destination. Each wireless Mesh network node can be used as an access terminal, and can also have routing and information forwarding functions, with a very high degree of freedom in networking. [0003] Wireless Mesh networks can provide multiple redundant routes from source nodes to target nodes. If a node on one route goes down due to har...

Claims

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Application Information

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IPC IPC(8): H04W40/04H04W40/12
CPCH04W40/04H04W40/12
Inventor 林栋邓榤生韩泽宇
Owner HUAWEI TECH CO LTD
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