Optimal relay station placement in cooperative networks using particle swarm

Authors:
Samreen Umer;Adnan Ahmed Khan
Affiliations:
National University of Science and Technology, Islamabad, Pakistan;National University of Science and Technology, Islamabad, Pakistan
Venue:
Proceedings of the 13th annual conference companion on Genetic and evolutionary computation
Year:
2011

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Abstract

This paper explores the application of the particle swarm algorithm for a mixed integer non linear optimization problem in the area of wireless communications. An appropriate relay station placement can enhance the overall capacity of wireless cooperative networks. The specific problem is finding out a realizable and efficient scheme for relay station placement in wireless cooperative networks. This paper defines a method based on particle swarm optimization (PSO) to design and optimize a useful search space for relay station placement and also gives an efficient technique to allocate bandwidth to relay-subscriber association. The proposed algorithm out-performs the previous techniques without compromising overall efficiency. Simulation results guarantees improved performance compared to the existing systems and offers an acceptable trade-off between performance and complexity.