Distributed Transmission Power Control Algorithm for Wireless Sensor Networks

被引：0
作者：
Sheu, Jang-Ping [1 ]
Hsieh, Kun-Ying [2 ]
Cheng, Yao-Kun [2 ]
机构：
[1] Natl Tsing Hua Univ, Dept Comp Sci, Hsinchu 300, Taiwan
[2] Natl Cent Univ, Dept Comp Sci & Informat Engn, Jhongli 320, Taiwan
来源：
JOURNAL OF INFORMATION SCIENCE AND ENGINEERING | 2009年 / 25卷 / 05期
关键词：
energy consumption; power control; power saving; wireless networks; sensor networks;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we propose a distributed transmission power control algorithm which cannot only prolong the lifetime of sensor nodes by saving the energy consumption but enhance the performance of packet delivery ratio. Besides, it can also reduce the interference between transmitting nodes. Before designing our algorithm, we firstly investigate the impact of link quality when utilizing different transmission power by analyzing lots of experimental data, and then design our algorithm based on those experimental results. In our algorithm, each node utilizes the RSSI (Received Signal Strength Indicator) value and LQI (Link Quality Indicator) value of the radio to determine the appropriate transmission power for its neighbors. Our algorithm can dynamically adjust the transmission power with the environment change. All of our experiments are implemented on the MICAz platform. The experimental results show that our algorithm can save power energy and guarantee a good link quality for each pair of communications.
引用
收藏
页码：1447 / 1463
页数：17
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