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Low power consumption wireless personal area network tree-like routing method based on IPv6

A low-power, network tree technology, applied in network topology, wireless communication, network traffic/resource management, etc., can solve problems such as unreasonable parent node selection, redundant overhead path repair of control messages, etc., to improve node survival rate , The effect of maintaining load balance and improving the success rate of data transmission

Inactive Publication Date: 2017-09-22
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0009] In order to solve the above problems, the present invention proposes an IPv6-based low-power wireless personal domain network tree routing method, adopts an optimal parent node selection mechanism based on load balancing and an adaptive path prediction and repair mechanism to solve the above-mentioned parent node Unreasonable selection, redundant overhead in control messages, and path repair problems

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  • Low power consumption wireless personal area network tree-like routing method based on IPv6
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  • Low power consumption wireless personal area network tree-like routing method based on IPv6

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specific Embodiment approach

[0029] The present invention proposes an IPv6-based low-power wireless personal area network tree routing method including three main stages: a node networking stage, a data transmission stage, and a path repair stage. The specific implementation is as follows:

[0030] 1. Node networking stage

[0031] Step 1: When a new node wants to join the 6LoWPAN network, it first checks whether there is a 6LoWPAN network within its communication range through the scanning program: if not, then assigns itself a short address of 0 and becomes a new 6LoWPAN network coordinator node; if Exactly 1 node is detected, set J(Join), R(Recovery), M(Multi) to 1, 0, 0, and send a "network access request" to the node for association; if multiple valid nodes are detected, Set the J, R, and M bits to 1, 0, and 1 respectively, and broadcast a "network access request" to all nodes for association. The format of the request message is as attached image 3 shown. Then perform step 2;

[0032] Step 2: W...

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Abstract

The invention belongs to the field of wireless sensor networks, and particularly relates to a low power consumption wireless personal area network tree-like routing method based on IPv6. The method is divided into a node networking stage, a data transmission stage and a path repair stage during operation. The method uses the optimal parent node selection mechanism based on load balancing and an adaptive path prognosis repair mechanism. By reducing the redundancy of a control message and increasing the selected parameters in the parent node selection process, the problems of unreasonable selection, redundancy expenditure in the control message and the like of the existing low power consumption wireless personal area network tree-like routing method based on IPv6 are solved. During a path repair process, the relationship between a failure node and the previous hop node is determined, and then path repair is carried out in a targeted manner. Downlink path repair, the repair of the failure node and other descendant nodes in an uplink transmission process and the like of the existing low power consumption wireless personal area network tree-like routing method based on IPv6 are realized. The node survival rate is improved. The network survival time, the data transmission success rate and other performances are improved.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor networks, in particular to an IPv6-based low-power wireless personal area network tree routing method. Background technique [0002] Since the development of wireless network technology, it has become an indispensable means of communication in people's daily life. From the simple and easy-to-use pager in the past to the increasingly powerful mobile phone, they are all representative products of wireless communication technology. With the increasing demand for communication between people and machines, between machines and machines, in order to meet the requirements of emerging applications in terms of cost, power consumption, and flexibility, wireless sensor networks have emerged as the times require. Wireless Sensor Network (WSN) is an ad hoc network system composed of a large number of small sensor nodes with low power consumption and wireless communication. Its physical layer and data ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08H04W40/10H04W40/22H04W40/24H04W84/10
CPCH04W28/08H04W40/10H04W40/22H04W40/24H04W84/10Y02D30/70
Inventor 姚玉坤刘耀瑞刘江兵
Owner CHONGQING UNIV OF POSTS & TELECOMM
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