A MULTIUSER DETECTOR DERIVED FROM ML CRITERIA FOR CDMA FREQUENCY SELECTIVE FADING CHANNEL

Wang Yong; Zhong Wen; Chen Ming; Cheng Shixin; You Xiaohu

Volume 22 Issue 5

Sep. 2000

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Article Navigation > Journal of Electronics & Information Technology > 2000 > 22(5): 817-823

Wang Jun, Yan Feng-Gang, Ma Wen-Jie, Qiao Xiao-Lin. Direction-of-arrival Estimation Using Laplace Prior Based on Bayes Compressive Sensing[J]. Journal of Electronics & Information Technology, 2015, 37(4): 817-823. doi: 10.11999/JEIT140937

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Wang Yong, Zhong Wen, Chen Ming, Cheng Shixin, You Xiaohu. A MULTIUSER DETECTOR DERIVED FROM ML CRITERIA FOR CDMA FREQUENCY SELECTIVE FADING CHANNEL[J]. Journal of Electronics & Information Technology, 2000, 22(5): 817-823.

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A MULTIUSER DETECTOR DERIVED FROM ML CRITERIA FOR CDMA FREQUENCY SELECTIVE FADING CHANNEL

Received Date: 1998-12-02
Rev Recd Date: 1999-09-24
Publish Date: 2000-09-19

Abstract

Abstract

In this paper, a decorrelator for multiuser detection derived from ML criteria in CDMA system is proposed for frequency selective fading channels. Simulations prove the better performance of this method than the method proposed by Zvonar in which the paths of the same user are combined after decorrelating. This method utilizes equivalent spreading codes for decorrelating, thus the hardware complexity is reduced.

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References(1)

References

Lupas R,Verdu S.Neax-fax resistance of multi-user detectors in asynchronous channels,IEEE Trans.on Commun.,1990,COM-38(4),496-508.[2]Lupas R,Verdu S.Linear multiuser detectors for asynchronous code-division multiple-access channels,IEEE Trans.on Inform.Theory,1989,IT-35(1),123-136.[3]Zvonar Z,Brady D.Linear multipath-decorrelating receivers for CDMA frequency-selective fading channels,IEEE Trans.on Comm.,1996,COM-44(6),650-653.[4]李道本编著．信号的统计检测与估计理论．北京：北京邮电大学出版社，1996，第三章，第3-2节．[5]Proakis J.Digital Communications,3rd Edition,New York:McGraw-Hill,1995,Chap.14-1-1.[6]方开泰编著．实用多元统计分析．上海：华东师范大学出版社，1989，第一章，第1.4节．

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