Koki Miyamoto;Koji Nishibe;Takanori Shibakura;Kosuke Tamura;Jaesang Cha;Seongchul Cho;Chang-Jun Ahn
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Analysis of Outage Probability for Massive MIMO Systems Under Multi-Cell and Imperfect CSI Environments
We analyze the outage probability for a massive multiple-input-multiple-output (MIMO) system employing maximum ratio transmission (MRT) under a multi-cell scenario. As cells become smaller, it will be even more necessary to analyze the outage probability considering interference from neighboring cells. Under a multi-cell environment, communication performance can be substantially compromised by channel estimation errors and inter-cell interference (ICI). We investigate the distribution of signal-to-interference and noise ratio (SINR) in a massive MIMO system and formulate a novel mathematical model for the outage probability. Simulation results show the validity of the derived mathematical model.
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