Particle swarm optimisation aided minimum bit error rate multiuser transmission

  • Authors:
  • W. Yao;S. Chen;S. Tan;L. Hanzo

  • Affiliations:
  • School of ECS, University of Southampton, United Kingdom;School of ECS, University of Southampton, United Kingdom;School of ECS, University of Southampton, United Kingdom;School of ECS, University of Southampton, United Kingdom

  • Venue:
  • ICC'09 Proceedings of the 2009 IEEE international conference on Communications
  • Year:
  • 2009

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Abstract

We consider the downlink of multiuser system from a transmitter equipped with multiple antennas to multiple non-cooperative single-antenna mobile receivers. Particle swarm optimisation (PSO) algorithm is invoked to solve the constrained nonlinear optimisation problem for the minimum bit error rate (MBER) multiuser transmission (MUT). The proposed PSO aided MBER-MUT scheme provides much better performance over the conventional minimum mean-square-error MUT scheme, and it achieves a much lower complexity compared to the state-of-the-art sequential quadratic programming based MBER MUT.