Power control in wireless sensor network based on nearest-neighbor algorithm

被引：3

作者：

Chen Y.-R. ^{[1
,2
]}

Yu L. ^{[1
]}

Dong Q.-F. ^{[1
]}

Hong Z. ^{[1
]}

机构：

[1] College of Information Engineering, Zhejiang University of Technology

[2] Information Science and Technology College, Zhejiang Shuren University

来源：

Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science) | 2010年 / 44卷 / 07期

关键词：

Channel propagation model; Nearest-neighbor distance; Power control; Wireless sensor network;

D O I：

10.3785/j.issn.1008-973X.2010.07.016

中图分类号：

学科分类号：

摘要：

A single and unchanged transmission power can not meet the requirement of energy efficiency in wireless sensor network because the nodes deployment of wireless sensor network was dense and random. The power control in wireless sensor network based on various nearest-neighbor distances algorithm (NNPC) was proposed in order to solve the problem. Sink node saved the entire network topology information. The node density was measured with various nearest-neighbor distances algorithm, and the optimal communication range was determined. Then the optimal transmission power was calculated with the Friss free space model and the two way propagation model. Finally Sink node broadcasted to inform nodes transmitting data with the optimal transmission power. If nodes didn't receive the broadcast packet, the nodes used the default maximum transmission power. Simulation results show that the algorithm can improve the network lifetime and save the network average energy consumption.

引用

页码：1321 / 1326

页数：5

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