A Pre-processing Blind Multiuser Detection Algorithm Using Antenna Arrays

Fu Hong-liang; Feng Guang-zeng

Volume 27 Issue 10

Oct. 2005

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Fu Hong-liang, Feng Guang-zeng. A Pre-processing Blind Multiuser Detection Algorithm Using Antenna Arrays[J]. Journal of Electronics & Information Technology, 2005, 27(10): 1613-1615.

Citation:

Fu Hong-liang, Feng Guang-zeng. A Pre-processing Blind Multiuser Detection Algorithm Using Antenna Arrays[J]. Journal of Electronics & Information Technology, 2005, 27(10): 1613-1615.

Fu Hong-liang, Feng Guang-zeng. A Pre-processing Blind Multiuser Detection Algorithm Using Antenna Arrays[J]. Journal of Electronics & Information Technology, 2005, 27(10): 1613-1615.

Citation:

Fu Hong-liang, Feng Guang-zeng. A Pre-processing Blind Multiuser Detection Algorithm Using Antenna Arrays[J]. Journal of Electronics & Information Technology, 2005, 27(10): 1613-1615.

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A Pre-processing Blind Multiuser Detection Algorithm Using Antenna Arrays

Received Date: 2004-04-06
Rev Recd Date: 2004-09-09
Publish Date: 2005-10-19

Abstract

Abstract

A Pre-processing Decision-FeedBack Least Squares Constant Modulus blind multiuser detection Algorithm (P-DFB-LSCMA) using antenna arrays is proposed in this paper. It pre-processes the received signals from the antenna arrays and utilizes the least squares constant modulus algorithm based on decision feedback to detection the DS-CDMA signals. Simulation results show that the proposed P-DFB-LSCMA algorithm is superior to DFB-LSCMA and LSCMA, especially with low SNR.

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References(1)

References

Purwoko A, Attallah S, Zoubir A M. Performance enhancement of adaptive blind multiuser detection for MC-CDMA using antenna arrays. Sensor Array and Multichannel Signal Processing Workshop Proceedings, 2002, 4 6 Aug, 2002: 288-292.[2]Wang X M, Lu W S, Antoniou A. A constant-modulus algorithm for blind multiuser detection in DS-CDMA systems with antenna array[J].2001. PACRIM. 2001 IEEE Pacific Rim Conference on Communications, Computers and signal Processing, 26 28 Aug.2001, vol.1:234-237[3]AGEE B. The least squares CMA: a new technique for rapid correction of constant signals. Proc ICASSP[C] Tokyo, Japan, 1986: 953-956 .[4]张贤达，保铮. 通信信号处理. 北京: 国防工业出版社， 2000： 326-335，383-388.

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