Evolutionary local search for the minimum energy broadcast problem

Authors:
Steffen Wolf;Peter Merz
Affiliations:
Distributed Algorithms Group, University of Kaiserslautern, Germany;Distributed Algorithms Group, University of Kaiserslautern, Germany
Venue:
EvoCOP'08 Proceedings of the 8th European conference on Evolutionary computation in combinatorial optimization
Year:
2008

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Abstract

The problem of finding the broadcast scheme with minimum power consumption in a wireless ad-hoc network is NP-hard. This work presents a new hybrid algorithm to solve this problem by combining evolutionary approaches with local search. The algorithm is benchmarked by solving instances with 20 and 50 nodes where results are compared to either optimum or best results found by an IP solver. For these instances, the proposed algorithm was able to find optimal and near-optimal solutions and outperform previous heuristics.