Wavelet networks-based space-time multiuser detector

Author

Tao, Haihong ; Wang, Ling ; Liao, Guisheng

Author_Institution

Inst. of Electron. Eng., Xidian Univ., Xi´´an, China

fYear

2003

fDate

27-29 March 2003

Firstpage

176

Lastpage

179

Abstract

Multiple access interference (MAI) is a key problem in DS-CDMA. Both the multiuser detection method and antenna array technique have been introduced to reduce the effect of MAI respectively. In this paper, combining wavelet networks with a space-time filter, we propose a novel multiuser detector (MUD). The complexity of the MUD only depends on that of the wavelet networks. With numerical simulations and performance analysis, it is shown that the MUD precedes the conventional Rake receiver and the space-time matched filter in eliminating MAI and near-far resistance.

Keywords

code division multiple access; digital filters; interference suppression; multiuser detection; spread spectrum communication; wavelet transforms; DS-CDMA; MAI elimination; MUD; multiple access interference; multiuser detector; near-far resistance; numerical simulations; performance analysis; space-time filter; wavelet networks; Antenna arrays; Detectors; Fading; Filters; Multiaccess communication; Multipath channels; Multiple access interference; Multiuser detection; Numerical simulation; Performance analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Information Networking and Applications, 2003. AINA 2003. 17th International Conference on

Print_ISBN

0-7695-1906-7

Type

conf

DOI

10.1109/AINA.2003.1192865

Filename

1192865