A particle swarm optimization-based multiuser detection for receive-diversity-aided STBC systems

作者：Liu Hongwu^*; Li Ji

来源：IEEE Signal Processing Letters, 2008, 15: 29-32.

DOI：10.1109/LSP.2007.910315

• multi-objective optimization
• multiuser detection
• particle swarm optimization (PSO)
• space-time block coding (STBC)

This letter proposes a particle swarm optimization (PSO)-based multiuser detection (MUD) for the receive-diversity aided space-time block coding (STBC) systems. Due to the receive-diversity, the signals received at the different antennas are faded independently, resulting in an independent log-likelihood LLF) for each antenna. To resolve the multi-objective dilemma when choosing one signal estimation for multiple receive antenna-branches, each particle updates its velocity in a Pareto optimal way. Simulations and comparisons with the genetic algorithm and the maximum likelihood detection (MLD) verified the effectiveness of the proposed scheme.

• 出版日期2008
• 单位西南交通大学