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- W2210927317 abstract "In this paper we investigate the performance of downlink transmission in multiuser MIMO system with linear precoding. Specifically, we perform diversity analysis of MIMO systems that use block-diagonalization and Wiener precoding. It is known that MMSE equalizers and their counterpart Wiener precoding induce a complicated diversity-rate tradeoff that is function of the number of antennas and the operating spectral efficiency in the case of single user. In this paper we provide the diversity-rate tradeoff when Wiener precoding is used in downlink MIMO multiuser system. Block diagonalization, a common precoding technique that was proposed for downlink MIMO, is also analyzed under MMSE equalization and Wiener precoding. It is shown that block diagonalization does not improve the per-user diversity that is obtained in the case of Wiener precoding. The maximum per-user diversity achieved by Wiener precoding is ! M!(N!Nk) � Nk, where M is the number of transmit antennas, Nk is the number of receive antennas for user k, and N = P k Nk." @default.
- W2210927317 created "2016-06-24" @default.
- W2210927317 creator A5040311839 @default.
- W2210927317 date "2015-06-01" @default.
- W2210927317 modified "2023-09-26" @default.
- W2210927317 title "Performance analysis of downlink multiuser MIMO with Wiener precoding" @default.
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- W2210927317 doi "https://doi.org/10.1109/icc.2015.7248598" @default.
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