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A new node network access method for wireless multi-hop cooperative network

A cooperative network and wireless multi-hop technology, applied in wireless communication, access restrictions, electrical components, etc., can solve problems such as high delay and low success rate of new nodes entering the network, so as to increase efficiency and reduce failure of new nodes entering the network probability, and the effect of improving networking performance

Active Publication Date: 2019-05-28
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The purpose of the present invention is to provide a new node network access method of a wireless multi-hop cooperative network to solve the problems of low success rate and high delay of new node network access in the existing wireless multi-hop cooperative network network access mechanism

Method used

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  • A new node network access method for wireless multi-hop cooperative network
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Embodiment Construction

[0031] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0032] like figure 1 As shown, the new node network access method of the wireless multi-hop cooperative network provided by this embodiment includes the following steps:

[0033] S1. Periodically broadcast the MSH-NCFG message on the network node;

[0034] S2, the new node performs network access scanning, establishes a physical neighbor list by the received MSH-NCFG message and selects a plurality of pre-selected sponsor nodes (pre-selected parent nodes) in each neighbor node in the physical neighbor list according to th...

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Abstract

The invention discloses a new node network-accessing method of a wireless multi-hop cooperative network, comprising the following steps: S1. broadcasting an MSH-NCFG message among network nodes periodically; S2. carrying out network-accessing scan upon a new node, establishing a physical neighbor list through the received MSH-NCFG message, and choosing multiple pre-selected sponsored nodes from the neighbor nodes in the physical neighbor list according to the received MSH-NCFG message; S3. making the new node broadcast an MSH-NENT message carrying the information of the pre-selected sponsored nodes to all the neighbor nodes of the physical neighbor list; S4. replying a sponsorship approving message to the new node by the pre-selected sponsored node after receiving the MSH-NENT message; S5. choosing a sponsored node from the pre-selected sponsored nodes which approve sponsorship by the new node after receiving the sponsorship approving message, and sending an MSH-NCFG message carrying the ID of the sponsored node to the sponsored node. The invention can improve network-accessing success rate in the condition of unstable link and decrease the network-accessing time delay of a new node.

Description

technical field [0001] The invention relates to the technical field of wireless communication. More specifically, it relates to a network access method for a new node in a wireless multi-hop cooperative network. Background technique [0002] Like all other networks, in a wireless multi-hop cooperative network, network construction is the first part of realizing network functions. The network construction process will establish the connection between network nodes and realize the synchronization between nodes, so as to further realize the synchronization of the entire network. [0003] The network construction process of the wireless multi-hop cooperative network mainly involves the interaction of the MSH-NCFG message and the MSH-NENT message. The MSH-NCFG message is sent by the network node, and the MSH-NENT message is sent by the new node applying for network access , a reasonable state transition between the sponsoring node and the (sponsored) new node in the two message...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/10H04W48/16H04W48/20
CPCH04W48/10H04W48/16H04W48/20
Inventor 李旭仇颂清朱斯燕张文庆
Owner BEIJING JIAOTONG UNIV
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