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Routing optimization method for embedded wireless self-organized network

A technology of wireless self-organization and optimization method, applied in the field of communication, can solve problems such as uncontrollable time and slow response time

Active Publication Date: 2015-06-24
无锡士康通讯技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these two methods can be used as a standard routing process, they have a common defect: slow response time
Since the complete routing request also needs to go through the process from broadcasting the routing request to obtaining the routing reply, the time spent is often uncontrollable

Method used

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  • Routing optimization method for embedded wireless self-organized network
  • Routing optimization method for embedded wireless self-organized network
  • Routing optimization method for embedded wireless self-organized network

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Embodiment Construction

[0037] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0038] The routing optimization method of the embedded wireless ad hoc network of the technical solution of the present invention needs to meet the following two conditions:

[0039] 1. Network nodes should work in mixed mode.

[0040] Common network nodes can receive broadcast messages and unicast messages whose destination addresses match their own. Other messages are filtered out at the media control layer. In order to listen to messages whose destination addresses are other nodes in the network, nodes need to work in mixed mode. In mixed mode, even if the destination address of the received message does not match the current node, it will be reported for proce...

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Abstract

The invention discloses a routing optimization method for an embedded wireless self-organized network. Network nodes not only process data packages of which communication targets are the nodes but also keep a monitoring process for data packages transmitted by neighbor nodes which are located around the nodes within the range of one hop. If it is found that a certain neighbor node repeatedly transmits identical data packages, it means that the neighbor node does not receive data package determination, thereby entering a data retransmission process, and a routing failure may exist in a network. If the current node has available routing arriving at a data package specified destination, the current node will actively notify the neighbor nodes and request the neighbor nodes for temporary routing switching. Accordingly, the purpose that the ambient nodes can quickly and actively provide alternative routing selection when multi-hope network nodes meet with the difficulty in data transmission is achieved.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a routing optimization method for an embedded wireless ad hoc network. Background technique [0002] A wireless ad hoc network refers to a network composed of multiple completely independent nodes through wireless connections. When the two nodes that need to communicate are not within the range of point-to-point direct communication, the information exchange will be realized by means of multi-hop forwarding with the help of other nodes. [0003] A major feature of wireless ad hoc networks is that the nodes are completely independent. Therefore, from the perspective of network topology, there is no central control node in the network, which is different from other networks, such as Internet backbone networks connected by optical fibers, or WIFI The basic model of the network. In application scenarios where wiring and power supply are difficult, wireless ad hoc networks ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/04H04W84/18
CPCH04W40/04H04W84/18
Inventor 姚方叶浩施钟鸣
Owner 无锡士康通讯技术有限公司