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Wireless routing protocol method

A protocol and line technology, applied in the field of wireless sensor networks, can solve the problems of prolonging the network life cycle and large energy consumption of nodes, and achieve the effect of reducing data transmission methods and prolonging the life cycle

Inactive Publication Date: 2013-09-11
SOUTH CHINA NORMAL UNIVERSITY
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  • Abstract
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Problems solved by technology

[0004] The energy consumption of such method nodes is relatively large, and it is necessary to further reduce its energy consumption and further extend the network life cycle

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Embodiment Construction

[0024] The above content has clearly and completely described the present invention, and the implementation of the present invention will be further described below in conjunction with the accompanying drawings, but the implementation and protection of the present invention are not limited thereto.

[0025] The network model in this embodiment is as follows: Assume that N sensor nodes are evenly distributed in an M*M square area, and the sensor nodes have the following properties: ① The sink node is far away from the sensing area; ② The nodes have the same and limited The initial energy and data processing capacity of the node; ③ The position of the node is fixed after configuration; ④ The node periodically transmits the collected data to the sink node; ⑤ The communication is symmetrical, that is, the same data is bidirectional between two nodes The energy consumed by the transmission is the same; ⑥ The node can roughly judge the distance to the other party according to the rec...

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Abstract

The invention provides a wireless routing protocol method. On the basis of a low-power adaptive clustering layered protocol, a sensing area is layered to optimize election of cluster heads and a data transmission mode among clusters so as to reduce energy consumption. A whole network is layered based on the distance from nodes to sink nodes, and cluster head election and cluster forming are performed in each layer; the closer the clusters are to the sink nodes, the denser the clusters are, and the smaller the cluster radius is; data are transmitted among the clusters by a multi-hop transmission mode so as to achieve the purpose for balancing energy of each node. In conclusion, life cycle of a wireless network can be prolonged more effectively.

Description

technical field [0001] The invention relates to the technical field of wireless sensor networks, in particular to a wireless routing protocol method. Background technique [0002] Wireless sensor network is a hot research field at present. Wireless sensor networks are the bridge between the real physical world and the information world, and have good application prospects in many aspects such as environmental monitoring, smart home, military and business. A wireless sensor network consists of a large number of sensor nodes with limited energy and weak computing and storage capabilities. Since most of the energy of sensor nodes is consumed in data transmission, designing an energy-efficient routing protocol has become an urgent requirement for wireless sensor network applications. [0003] In the clustering routing protocol of wireless sensor network, its main idea is to distribute the network load evenly to the nodes of the whole network by randomly electing cluster heads ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/10H04W52/02H04W28/08
CPCY02D30/70
Inventor 余松森龚玉洁谷刚汤庸
Owner SOUTH CHINA NORMAL UNIVERSITY
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