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http://dx.doi.org/10.7840/kics.2013.38A.8.724

Optimal Number of Base Station Antennas and Users in MF Based Multiuser Massive MIMO Systems  

Jung, Minchae (연세대학교 전기전자공학과)
Choi, Sooyong (연세대학교 전기전자공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.38A, no.8, 2013 , pp. 724-732 More about this Journal
Abstract
In this paper, we analyze a performance of multiuser massive multiple-input and multiple-output (MIMO) system. We derive the ergodic cell capacity based on a downlink frame structure and analyze the ergodic cell capacity with respect to the number of base station (BS) antennas and the number of users. This paper shows that the ergodic cell capacity is a concave function with respect to the number of BS antennas and the number of users, and also derives the optimal numbers of BS antennas and users for the maximum cell capacity. The simulation results verify the derived analyses and show that the derived numbers of BS antennas and users provide the maximum cell capacity.
Keywords
Massive MIMO; Ergodic Capacity; Matched Filter (MF);
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