Improving the performance of V-VLAST with STTC

Author

Wu, Yue ; Yang, Yi ; Luo, Xinmin

Author_Institution

Sch. of Electron. & Inf. Eng., Xi´´an Jiaotong Univ., China

Volume

1

fYear

2002

fDate

25-28 Nov. 2002

Firstpage

174

Abstract

We propose an improved Vertical-Bell Labs layered space-time (V-BLAST) architecture by introducing space-time trellis codes (STTC) into each layer of the V-BLAST system. Multiple transmit antennas are used in each layer of this system and STTC is employed to introduce temporal and spatial correlation into signals transmitted. At the receiver, we use group interference suppression to reduce decoding complexity dramatically. This system performs much better than traditional V-BLAST system and meanwhile has comparatively low decoding complexity.

Keywords

antenna arrays; computational complexity; correlation methods; decoding; diversity reception; interference suppression; radiofrequency interference; receiving antennas; space-time codes; transmitting antennas; trellis codes; STTC; V-BLAST performance; V-BLAST system; Vertical-Bell Labs layered space-time architecture; coding gain; decoding complexity reduction; diversity gain; group interference suppression; low decoding complexity; multiple transmit antennas; space-time trellis codes; spatial correlation; temporal correlation; Computer architecture; Convolutional codes; Decoding; Fading; Feedback; Interference suppression; Receiving antennas; Space time codes; Transmitting antennas; Wireless communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Communication Systems, 2002. ICCS 2002. The 8th International Conference on

Print_ISBN

0-7803-7510-6

Type

conf

DOI

10.1109/ICCS.2002.1182460

Filename

1182460