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Energy efficient broadcast in wireless ad hoc networks with Hitch-hiking

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4 Author(s)
Agarwal, M. ; Dept. of Electr. & Comput. Eng., Massachusetts Univ., Amherst, MA ; Joon Ho Cho ; Lixin Gao ; Jie Wu

In this paper, we have proposed a novel concept called Hitch-hiking in order to reduce the energy consumption of broadcast application for wireless networks. Hitch-hiking takes advantage of the physical layer design that facilitates the combining of partial signals to obtain the complete information. The concept of combining partial signals using maximal ratio combiner [J.G. Proakis, 2001] has been used to improve the reliability of the communication channel but has never been exploited to reduce energy consumption. We propose a centralized heuristic algorithm called wireless multicast with Hitch-hiking (WMH) to construct an energy efficient tree using Hitch-hiking and also present a distributed version of the heuristic. We also evaluate the proposed heuristics through simulation. Simulation results show that Hitch-hiking can reduce the transmission cost of broadcast by as much as 50%. Further, we propose and evaluate a protocol called PSBT that reduces energy consumption of broadcast by eliminating redundancy in receive operation. Finally, we propose an algorithm that takes advantage of both Hitch-hiking and PSBT in conserving energy

Published in:

INFOCOM 2004. Twenty-third AnnualJoint Conference of the IEEE Computer and Communications Societies  (Volume:3 )

Date of Conference:

7-11 March 2004