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A Transmit Power Control Method for Low-Power Communication in 802.11b Infrastructure Networks  

Kwon Do Han (중앙대학교 컴퓨터학과)
Jung Hee Lock ((주)아블렉스)
Park Chang Yun (중앙대학교 컴퓨터학과)
Jung Chung ll (여주대학 컴퓨터인터넷과)
Publication Information
Journal of KIISE:Information Networking / v.32, no.2, 2005 , pp. 180-189 More about this Journal
Abstract
This paper describes a transmission power control method for power saving in 802.11b wireless LANs. We have first explored how much effects reducing transmission power has on communication performance. Then we propose a power control algorithm, whose approach is similar to that of TCP congestion control, determining an appropriate transmission power level by monitoring the retransmission rate. We have implemented an utility software on a Linux-based system and made several experiments to validate the proposed method. The results show that it is possible to save energy consumption by controlling transmission power without sacrificing communication performance.
Keywords
transmission Power control; 802.11b wireless LANs; retransmission rate; energy consumption;
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