Performance Analysis of TDD System in Channel Estimate

Author

Yanwen, Wang ; Zhu, Weihong ; Na, Gao

Author_Institution

Sch. of Inf. Sci. & Eng., Shandong Univ., Jinan, China

fYear

2011

Firstpage

1

Lastpage

4

Abstract

In order to meet the requirement of channel state information in MU-MIMO downlink precoding, we propose a channel estimation scheme called TDMA-MMSE based on single user channel estimation. The performance of this scheme is analyzed. Theoretical analysis and simulation results show that this novel estimation scheme outperforms single user channel estimation. The throughout and BER performance of multi-user MIMO system with estimate channel information is close to the system with perfect channel information at high uplink SNR. Through the theoretical analysis and simulation, it shows that the proposed scheme is practicable.

Keywords

MIMO communication; channel estimation; error statistics; least mean squares methods; precoding; time division multiple access; BER performance; MU-MIMO downlink precoding; TDD system; TDMA-MMSE; channel estimation; multi-user MIMO system; performance analysis; Antennas; Bit error rate; Channel estimation; Downlink; MIMO; Signal to noise ratio; Training;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Communications, Networking and Mobile Computing (WiCOM), 2011 7th International Conference on

Conference_Location

Wuhan

ISSN

2161-9646

Print_ISBN

978-1-4244-6250-6

Type

conf

DOI

10.1109/wicom.2011.6040118

Filename

6040118