Iterative Group Detection Schemes for STTC and LST Combined System

Author

Han, Changcai ; Wu, Weiling

Author_Institution

Sch. of Inf. Eng., Beijing Univ. of Posts & Telecommun., Beijing

fYear

2007

fDate

21-25 Sept. 2007

Firstpage

1336

Lastpage

1339

Abstract

The transmission scheme of multilayered space-time trellis codes (ML-STTC) achieves tradeoff between diversity gain and multiplexing gain by combining space-time trellis code (STTC) and layered space-time (LST) structure in multiple-input and multiple-output (MIMO) systems. In this paper, iterative minimum mean square error (MMSE) group detection and iterative MMSE interference cancellation (IC) group detection schemes are proposed to improve the performance of ML-STTC. Moreover, the iteration can reduce the influence of the detection order on performance, and compensate for the performance loss of the firstly detected layer instead of power allocation in the iterative MMSE IC group detection scheme.

Keywords

MIMO communication; interference suppression; iterative methods; mean square error methods; multiplexing; space-time codes; trellis codes; MIMO system; diversity gain; interference cancellation; iterative minimum mean square error group detection; multilayered space-time trellis codes; multiple-input and multiple-output system; multiplexing gain; Convolutional codes; Diversity methods; Diversity reception; Interference cancellation; MIMO; Performance loss; Receiving antennas; Slot antennas; Transmitters; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Communications, Networking and Mobile Computing, 2007. WiCom 2007. International Conference on

Conference_Location

Shanghai

Print_ISBN

978-1-4244-1311-9

Type

conf

DOI

10.1109/WICOM.2007.339

Filename

4340114