VBLAST的一种新的解码算法

Journal of Applied Sciences ›› 2004, Vol. 22 ›› Issue (1): 20-24.

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A New Detection Algorithm of VBLAST

LAN Yang, CHEN ming, WANG Hai-feng, CHENG Shi-xin

National Mobile Communication Research Lab, Southeast University, Nanjing 210096, China

Received:2002-11-05 Revised:2003-04-03 Online:2004-03-31 Published:2004-03-31

Abstract

Abstract: In this paper, a new detection algorithm for VBLAST——GPIC(group parallel interference cancellation)——is proposed. The detection algorithm of VBLAST, called OSIC (ordered successive interference cancellation), uses linear combination nulling and successive symbol cancellation based on inversing and ordering. The computation complexity is high. GPIC proposed in this paper uses GIS (group interference suppression) to divide a system into several small systems to simplify the receiver and uses PIC to improve performance. The simulation results show that the scheme has a good performance.

Key words: VBLAST, MIMO, group parallel interference cancellation

CLC Number:

TN929.5

LAN Yang, CHEN ming, WANG Hai-feng, CHENG Shi-xin. A New Detection Algorithm of VBLAST[J]. Journal of Applied Sciences, 2004, 22(1): 20-24.

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A New Detection Algorithm of VBLAST

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