Research Article
Antenna Selection Based on Energy Efficiency of Uplink in Massive MIMO Systems
@INPROCEEDINGS{10.1007/978-3-030-21730-3_9, author={Chaoyue Zhao and Zhuyun Fan and Meng Zhang and Guiyue Jin and Jiyu Jin}, title={Antenna Selection Based on Energy Efficiency of Uplink in Massive MIMO Systems}, proceedings={Green Energy and Networking. 6th EAI International Conference, GreeNets 2019, Dalian, China, May 4, 2019, Proceedings}, proceedings_a={GREENETS}, year={2019}, month={6}, keywords={Massive MIMO Energy efficiency Antenna selection Spectral efficiency}, doi={10.1007/978-3-030-21730-3_9} }- Chaoyue Zhao
Zhuyun Fan
Meng Zhang
Guiyue Jin
Jiyu Jin
Year: 2019
Antenna Selection Based on Energy Efficiency of Uplink in Massive MIMO Systems
GREENETS
Springer
DOI: 10.1007/978-3-030-21730-3_9
Abstract
Massive multiple-input multiple-output (MIMO) system installs a large number of antennas on the base station (BS), which requires one radio frequency (RF) chain for each antenna. When the number of antennas is small, the power consumption of the RF chains is negligible compared with the transmitting power. However, with the increase of antennas and RF chains, the ratio of the RF chains power consumption to the total transmitting power is gradually increasing. Therefore, the energy efficiency (EE) of the system tends to be saturated gradually and decreases with the further increase of antennas. To improve EE in massive MIMO systems, an antenna selection method by switching antenna dynamically with channel state information (CSI) is proposed in this paper, and trade-off between EE and spectral efficiency of the system is addressed.