This article is part of the series Quality of Service in Mobile Ad Hoc Networks.

Open Access Research Article

Autonomous Power Control MAC Protocol for Mobile Ad Hoc Networks

Hsiao-Hwa Chen1*, Zhengying Fan2 and Jie Li3

Author Affiliations

1 Institute of Communication Engineering, National Sun Yat-Sen University, Kaohsiung 804, Taiwan

2 Tech. Department, FDC Inc. Ltd. Co., Tsuchiura 300-0873, Japan

3 Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba 305-8573, Japan

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EURASIP Journal on Wireless Communications and Networking 2006, 2006:036040 doi:10.1155/WCN/2006/36040


The electronic version of this article is the complete one and can be found online at: http://jwcn.eurasipjournals.com/content/2006/1/036040


Received:18 July 2005
Revisions received:13 December 2005
Accepted:13 December 2005
Published:20 March 2006

© 2006 Chen et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Battery energy limitation has become a performance bottleneck for mobile ad hoc networks. IEEE 802.11 has been adopted as the current standard MAC protocol for ad hoc networks. However, it was developed without considering energy efficiency. To solve this problem, many modifications on IEEE 802.11 to incorporate power control have been proposed in the literature. The main idea of these power control schemes is to use a maximum possible power level for transmitting RTS/CTS and the lowest acceptable power for sending DATA/ACK. However, these schemes may degrade network throughput and reduce the overall energy efficiency of the network. This paper proposes autonomous power control MAC protocol (APCMP), which allows mobile nodes dynamically adjusting power level for transmitting DATA/ACK according to the distances between the transmitter and its neighbors. In addition, the power level for transmitting RTS/CTS is also adjustable according to the power level for DATA/ACK packets. In this paper, the performance of APCMP protocol is evaluated by simulation and is compared with that of other protocols.

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