Tabu search vs. bio-inspired algorithms for antenna selection in spatially correlated massive MIMO uplink channels

Abdullah, Z; Tsimenidis, CC; Johnston, M

doi:10.1109/EUSIPCO.2016.7760206

Tabu search vs. bio-inspired algorithms for antenna selection in spatially correlated massive MIMO uplink channels

Lookup NU author(s): Zaid Abdullah, Professor Harris Tsimenidis, Dr Martin Johnston ORCiD

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Abstract

Massive Multiple Input Multiple Output (MIMO) systems can significantly improve the system performance and capacity by using a large number of antenna elements at the base station (BS). To reduce the system complexity and hardware cost, low complexity antenna selection techniques can be used to choose the best antenna subset while keeping the system performance at a certain required level. In this paper, Tabu Search (TS) and three bio-inspired optimization algorithms were used for antenna selection in Massive MIMO systems. The three bio-inspired algorithms were: Particle Swarm Optimization (PSO), Genetic Algorithm (GA), and Artificial Bee Colony (ABC). Simulations showed promising results for the TS by achieving higher capacity with GA than PSO and ABC, and much shorter CPU time than any of the bio-inspired techniques.