Tomlinson-Harashima precoding optimization for multi-user MIMO systems in indoor scenarios

Author

Guoxian Lu ; Muqing Wu ; Si Zhou ; Feng Zheng

Author_Institution

Lab. of Network Syst. Archit. & Convergence, Beijing Univ. of Posts & Telecommun., Beijing, China

fYear

2012

fDate

9-11 Nov. 2012

Firstpage

1062

Lastpage

1066

Abstract

In this paper, it is shown that indoor scenarios have the merits of high signal-to-noise ratio and low spatial channel correlation due to less interference and rich scattering. The merits are extremely helpful to Tomlinson-Harashima precoding for multiple-antenna and multi-user systems. Therefore, a novel Tomlinson-Harashima precoding optimization scheme for multi-user MIMO systems in indoor scenarios has been put forward. The main idea behind the optimization scheme is to orthogonalize the indoor channel matrix. The BER performance is much better than those of conventional Tomlinson-Harashima precoding and zero-forcing precoding.

Keywords

MIMO communication; antenna arrays; error statistics; indoor radio; multi-access systems; optimisation; precoding; Tomlinson-Harashima precoding optimization; bit error rate; indoor channel matrix; multiple antenna systems; multiuser MIMO systems; signal-to-noise ratio; spatial channel correlation; zero-forcing precoding; Tomlinson-Harashima precoding(THP); channel capacity; indoor scenarios; multiple-input multiple-output (MIMO);

fLanguage

English

Publisher

ieee

Conference_Titel

Communication Technology (ICCT), 2012 IEEE 14th International Conference on

Conference_Location

Chengdu

Print_ISBN

978-1-4673-2100-6

Type

conf

DOI

10.1109/ICCT.2012.6511353

Filename

6511353