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Energy Efficiency Optimization of Massive MIMO Systems Based on the Particle Swarm Optimization Algorithm
Wireless Communications and Mobile Computing
As one of the key technologies in the fifth generation of mobile communications, massive multi-input multioutput (MIMO) can improve system throughput and transmission reliability. However, if all antennas are used to transmit data, the same number of radiofrequency chains is required, which not only increases the cost of system but also reduces the energy efficiency (EE). To solve these problems, in this paper, we propose an EE optimization based on the particle swarm optimization (PSO)doi:10.1155/2021/6622830 fatcat:cokdub5lzvebhkdu47odsg37si