Performance Analysis of Multiuser MIMO Systems with Zero Forcing Receivers 


Vol. 34,  No. 8, pp. 592-599, Aug.  2009


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  Abstract

In this paper, we consider multiuser multi-input/multi-output antenna systems with zero-forcing receivers in downlink. In this case, to exploit multiuser diversity, spatial-division multiple access (SDMA) system allows to assign different users to a part of transmit antennas at the base station whereas spatial-division multiplexing (SDM) system assigns all antennas to single user's data stream. In this paper, we present analytical frameworks to evaluate performance of these systems. We first analyze the performance of these two systems by deriving closed-form expressions of achievable throughput. Numerical results show that the derived expressions are very tight. In addition, we approximate the capacity expression of SDM and SDMA systems and compare the SDM with the optimal case.

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  Cite this article

[IEEE Style]

C. K. Sung, S. Moon, E. Park, I. Lee, "Performance Analysis of Multiuser MIMO Systems with Zero Forcing Receivers," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 8, pp. 592-599, 2009. DOI: .

[ACM Style]

Chang Kyung Sung, Sung-Hyun Moon, Eunsung Park, and Inkyu Lee. 2009. Performance Analysis of Multiuser MIMO Systems with Zero Forcing Receivers. The Journal of Korean Institute of Communications and Information Sciences, 34, 8, (2009), 592-599. DOI: .

[KICS Style]

Chang Kyung Sung, Sung-Hyun Moon, Eunsung Park, Inkyu Lee, "Performance Analysis of Multiuser MIMO Systems with Zero Forcing Receivers," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 8, pp. 592-599, 8. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880