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IEICE Transactions on Information and Systems 2007 E90-D(3):680-684; doi:10.1093/ietisy/e90-d.3.680
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Copyright © 2007 The Institute of Electronics, Information and Communication Engineers

Regular Section -- Letters -- Networks

An Energy-Efficient Broadcast Scheme for Multihop Wireless Ad Hoc Networks Using Variable-Range Transmission Power

TheinLai WONG1, Tatsuhiro TSUCHIYA1 and Tohru KIKUNO1

1 The authors are with the Graduate School of Information Science and Technology, Osaka University, Suita-shi, 565–0871 Japan. E-mail: wong-t{at}ist.osaka-u.ac.jp


  Abstract

This letter proposes a broadcast scheme for use in ad hoc networks using variable-range transmission power. Preserving energy and ensuring a high delivery ratio of broadcast packets are crucial tasks for broadcasting in ad hoc networks. Using individual broadcast relaying nodes to dynamically vary the transmission range can help saving power and reduce interference during communication. We analyzed the performance of the proposed scheme and compared it to other prevalent broadcast schemes for wireless ad hoc networks based on common-range transmission power.

Key Words: ad hoc network, broadcast, variable-range transmission, energy-efficient

Manuscript received July 25, 2006. Manuscript revised October 20, 2006.


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