Performance of tomlinson-harashima precoding over spatially correlated MIMO channels

Authors:
Anjian Li;Chongxiu Yu;Zhuo Chen;Dongmei Fang
Affiliations:
School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing, P.R.C.;School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing, P.R.C.;School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing, P.R.C.;School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing, P.R.C.
Venue:
WASA'06 Proceedings of the First international conference on Wireless Algorithms, Systems, and Applications
Year:
2006

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Abstract

In this paper, the performance of Tomlinson-Harashima precoding (TH-precoding) algorithm is studied over spatially correlated multiple input multiple output (MIMO) channels. The symbol error rate (SER) is also presented by theoretical derivation and Monte-Carlo simulations. It is shown that the performance of TH-precoding is better than the classical V-BLAST algorithm. It is mainly due to the cancellation of error propagation. The comparison between TH-precoding with sub-channel ordering and one without sub-channel ordering is also investigated.