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Energy-aware routing in wireless ad-hoc networks

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3 Author(s)
P. C. Kokkinos ; Dept. of Comput. Eng. & Inf., Patras Univ., Greece ; C. A. Papageorgiou ; E. A. Varvarigos

We study energy efficient routing strategies for wireless ad-hoc networks. In this kind of network, energy is a scarce resource and its conservation and efficient use is a major issue. Our strategy follows the multi-cost routing approach, according to which a cost vector of various parameters is assigned to each link. The parameters of interest are the number of hops on a path, and the residual energy and transmission power of the nodes on the path. These parameters are combined in various optimization functions, corresponding to different routing algorithms, for selecting the optimal path. We evaluate the routing algorithms proposed in a number of scenarios, with respect to energy consumption, throughput and other performance parameters of interest. From the experiments conducted, we conclude that routing algorithms that take into account energy related parameters, increase the lifetime of the network, while achieving better performance than other approaches, such as minimum hop routing.

Published in:

Sixth IEEE International Symposium on a World of Wireless Mobile and Multimedia Networks

Date of Conference:

13-16 June 2005