On the Required Number of Antennas in a Point-to-Point Large-but-Finite MIMO System

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2015 IEEE International Conference on Ubiquitous Wireless Broadband, ICUWB 2015, Page: 1-5

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http://hdl.handle.net/10754/621282; http://publications.lib.chalmers.se/publication/234017
Makki, Behrooz; Svensson, Tommy; Eriksson, Thomas; Alouini, Mohamed-Slim
Institute of Electrical and Electronics Engineers (IEEE)
Computer Science; Correlation; Fading; MIMO; Receiving antennas; Simulation; Transmitting antennas
conference paper description
In this paper, we investigate the performance of the point-to-point multiple-input-multiple-output (MIMO) systems in the presence of a large but finite numbers of antennas at the transmitters and/or receivers. Considering the cases with and without hybrid automatic repeat request (HARQ) feedback, we determine the minimum numbers of the transmit/receive antennas which are required to satisfy different outage probability constraints. We study the effect of the spatial correlation between the antennas on the system performance. Also, the required number of antennas are obtained for different fading conditions. Our results show that different outage requirements can be satisfied with relatively few transmit/receive antennas.