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Multipath routing protocol suitable for wireless sensing network

A wireless sensor network, wireless sensor technology, applied in wireless network protocol, wireless communication, network topology and other directions, can solve the problems of poor network reliability and large protocol delay.

Inactive Publication Date: 2014-03-05
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to propose a multi-path routing method based on a tree network for the problems of large time delay of existing sensor network protocols and poor network reliability.

Method used

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  • Multipath routing protocol suitable for wireless sensing network
  • Multipath routing protocol suitable for wireless sensing network
  • Multipath routing protocol suitable for wireless sensing network

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Embodiment Construction

[0019] The present invention is described in detail below in conjunction with accompanying drawing:

[0020] The premise of the present invention is that it is applied to the wireless sensor network, and the backbone nodes and ordinary nodes in the network are formed spontaneously during the initialization process, and the backbone nodes are evenly distributed in the network.

[0021] Initializing the infinite sensor network to form a tree structure is divided into four steps: the backbone node selection stage, the tree forming stage, the address allocation stage and the backbone node network forming stage.

[0022] - In the backbone node selection stage: each node takes its connectivity as the weight, among them, the node with the largest connectivity within one hop is selected as the backbone node, and the neighbor nodes of the backbone node join the backbone node's subnet as subordinate nodes Inside; a gateway node needs to be elected between the two clusters, and the gatew...

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Abstract

The invention discloses a multipath routing device suitable for a wireless sensing network. A network node is divided into backbone nodes and common nodes through the network initialization; and the whole network forms a tree-shaped structure, and further a net structure is formed between the backbone nodes. The multipath routing device is characterized in that a high address is distributed to the backbone nodes; a non-tree path is additionally arranged between the backbone nodes to form a mesh network; the backbone node is connected with the common node; the high address of the common node adopts the address of the father node of the common node; the lower address is different; and the common node does not directly involve into route finding, and supports a multipath device irrelevant with the node. The multipath routing device of the invention effectively improves the delay and the reliability of the wireless sensing network.

Description

technical field [0001] The invention belongs to the field of wireless routing methods, and in particular relates to a multi-path routing method for solving problems such as time delay and reliability of wireless sensor networks. Background technique [0002] There are many types of wireless sensor network routing protocols, most of which are based on Ad hoc routing protocols and designed in combination with the characteristics of wireless sensor networks. For different application scenarios and performance requirements, routing protocols are very different. Generally speaking, the wireless sensor network has the following characteristics: the network scale is large, the number of nodes is large, the node density is high, the energy of nodes is extremely limited, and packets need to be sent frequently. [0003] The main performance indicators to be considered in wireless sensor network routing protocols are delay, reliability, network lifetime and mobility. In some specific...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/02H04W80/04H04W84/18
Inventor 李旭王韵淇庞源泉刘颖
Owner BEIJING JIAOTONG UNIV
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