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A pilot power allocation for improving spectral efficiency of massive MIMO systems
Hieu Trong Dao(다오 충 히에우),Sunghwan Kim(김성환) 한국통신학회 2021 한국통신학회 학술대회논문집 Vol.2021 No.2
In this paper, we introduce a pilot power scheme in multi-cell multi-user massive MIMO systems to enhance system spectral efficiency. Specifically, we propose an optimization problem to improve the uplink sum rate of a predefined cell in the system. We also prove that the proposed problem can be solved by using a method of Lagrange multiplier Simulation results are provided to compare between our proposed scheme performance and other proposed schemes.