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Volume 31 Issue 3
Dec.  2010
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Shi Rui-hua, Feng Guang-zeng. A Pre-processed Constant Modulus Multi-user Blind Detection in MIMO MC-CDMA System[J]. Journal of Electronics & Information Technology, 2009, 31(3): 645-648. doi: 10.3724/SP.J.1146.2007.01658
Citation: Shi Rui-hua, Feng Guang-zeng. A Pre-processed Constant Modulus Multi-user Blind Detection in MIMO MC-CDMA System[J]. Journal of Electronics & Information Technology, 2009, 31(3): 645-648. doi: 10.3724/SP.J.1146.2007.01658

A Pre-processed Constant Modulus Multi-user Blind Detection in MIMO MC-CDMA System

doi: 10.3724/SP.J.1146.2007.01658
  • Received Date: 2007-10-23
  • Rev Recd Date: 2008-02-06
  • Publish Date: 2009-03-19
  • A semi-blind multi-user constant modulus receiving system for downlink MIMO MC-CDMA system is proposed. The received signals are pre-processed before constant modulus detection, then the MIMO receiving system is transformed into several SISO receiving systems. The received signals are detected by SISO modulus algorithm. The improved method reduces the influence of multi-user interference and multi-path interference. It improves the detection performance obviously.
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  • Lei Zhongding, Peng Xiaoming, and Francois P S Chin.V-BLAST receivers for downlink MC-CDMA systems. IEEE58th Vehicular Technology Conference, Florida, USA, 4-9 Oct.2003, Vol.2: 866-870.[2]Sansrimahachai P, Ward D B, and Constantinides A G.Multiple-input multiple-output least-squares constantmodulus algorithms. IEEE Global TelecommunicationsConference, San Francisco, USA, 1-5 Dec. 2003, vol.4:2084-2088.[3]Sansrimahachai P, Ward D B, and Constantinides A G. Blindsource separation of instantaneous MIMO systems based onthe least-squares constant modulus algorithm[J].IEEProceedings-Vision, Image, and Signal Processing.2005,152(5):616-622[4]Shin C, Heath R W, and Powers E J. Blind channelestimation for MIMO-OFDM systems[J].IEEE Trans. onVehicular Technology.2007, 56(2):670-685[5]Rao R M and Daneshrad B. Analog impairments in MIMOOFDMsystems[J].IEEE Trans. on Wireless Communications.2006, 5(12):3382-3387[6]Dong Enqing, Zhu Caihua, and Evans L. Blind multiuserdetector based on reduced rank subspace and least squareconstant modulus algorithm. The 8th InternationalConference on Signal Processing, Guilin, China, 16-20 Nov.2006, Vol. 3: 132-135.[7]Agee B. The least-squares CMA: A new technique for rapidcorrection of constant modulus signals. IEEE InternationalConference on Acoustics, Speech, and Signal Processing,Tokyo, Japan, Apr 1986, Vol.11: 953-956.[8]刘胜美, 赵春明. 基于最小二乘恒模算法及子空间方法的盲多用户检测算法. 通信学报, 2003, 24(5): 129-133.Liu Sheng-mei and Zhao Chun-ming. The LSEM algorithmand subspace approach for blind multiuser detection. Journalof China Institute of Communications, 2003, 24(5): 129-133.[9]Wang Jiao, Ni Zhi, and Sui Aifen. Statistical propertiesanalysis of improved Jakes' fading channel model. IEEEMilitary Communications Conference, Boston, USA, 13-16Oct. 2003, Vol. 2: 1392-1396.
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