研究目的
To evaluate the performance of irregular antenna arrays in massive MIMO communication systems with mutual coupling effects and to derive the lower bound of the ergodic achievable rate, symbol error rate, and average outage probability for multi-user massive MIMO communication systems using irregular antenna arrays.
研究成果
Numerical results indicate that there exists a maximum achievable rate for massive MIMO communication systems using irregular antenna arrays. Moreover, the irregular antenna array outperforms the regular antenna array in the achievable rate of massive MIMO communication systems when the number of antennas is larger than or equal to a given threshold.
研究不足
The study focuses on a single-cell scenario and assumes perfect channel state information at the BS. The impact of irregular antenna arrays on multi-cell scenarios and imperfect channel state information is not considered.
1：Experimental Design and Method Selection:
The study involves the formulation of a massive MIMO communication system with an irregular antenna array and the evaluation of mutual coupling effects using metrics like the matrix correlation coefficient and ergodic received gain.
2：Sample Selection and Data Sources:
The study assumes a single-cell multi-user massive MIMO communication system with BS irregular antenna arrays and UTs uniformly scattered in a cell.
3：List of Experimental Equipment and Materials:
The study involves dipole antennas with specific load and self-impedances, and a carry frequency of
4：5 GHz for wireless communications. Experimental Procedures and Operational Workflow:
The study includes deriving the lower bound of the ergodic achievable rate, average SER, and average outage probability for the system.
5：Data Analysis Methods:
The study uses numerical simulations to analyze the impact of mutual coupling on the system performance.
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