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Optimized Detection in Multi-Antenna System using Particle Swarm Algorithm

Authors: A. A. Khan, M. Naeem, S. Bashir, S. I. Shah


In this paper we propose a Particle Swarm heuristic optimized Multi-Antenna (MA) system. Efficient MA systems detection is performed using a robust stochastic evolutionary computation algorithm based on movement and intelligence of swarms. This iterative particle swarm optimized (PSO) detector significantly reduces the computational complexity of conventional Maximum Likelihood (ML) detection technique. The simulation results achieved with this proposed MA-PSO detection algorithm show near optimal performance when compared with ML-MA receiver. The performance of proposed detector is convincingly better for higher order modulation schemes and large number of antennas where conventional ML detector becomes non-practical.

Keywords: Particle Swarm Optimization (PSO), Multi Antenna (MA), Multi-input Multi-output(MIMO), ML detection

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