Effect of Relative Delay on Performance of Multiuser Detection in Asynchronous DS-CDMA Systems: Analysis and Evaluation

Adachi F, Sawahashi M, Suda H. Wideband DS-CDMA for next generation mobile communications systems. IEEE Comm- unication Magazine, 1998, 36(9): 56-69.[2]McCormick A C, Al-Susa E A. Multicarrier CDMA for future generation mobile communication[J].Electronics Communication Engineering Journal.2002, 14(2):52-60[3]尤肖虎, 曹淑敏, 李建东. 第三代移动通信系统发展现状与展望. 电子学报, 1999, 27(11A): 3-8.[4]Verdu S. Multiuser Detection. UK: Cambridge University Press, 1998, Chapter 1 Chapter 6.[5]Paris B P. Finite precision decorrelating receivers for multiusers CDMA communication systems[J].IEEE Trans. on Comm.1996, 44(4):496-507[6]王伶, 焦李成, 刘芳. 一种去偏解相关多用户检测器. 信号处理, 2002, 18(3): 208-211.[7]Madhow U. MMSE interference suppression for timing acquisiti-on and demodulation in direct-sequence CDMA systems. IEEETrans. on Communications, 1998, 46(8): 1065-1075.[8]Patel P, Holtzman J. Analysis of a simple successive interference cancellation scheme in DS/CDMA system[J].IEEE Journal on Selected Areas in Communications.1994, 12(5):796-807[9]Varanasi M K, Aazhang B. Multistage detection in asynchronous code-division multiple-access communications[J].IEEE Trans. on Communications.1990, 38(4):509-519[10]Aazhang B, Paris B P, Orsak G C. Neural networks for multiuser detection in CDMA communications[J].IEEE Trans. on Comm.1992, 40(7):1212-1222[11]王伶, 焦李成, 刘芳. 一种子波网络空时多用户检测器. 自然科学进展, 2002, 12(1): 90-94.[12]Zhang X D, Wei W. Blind adaptive multiuser detection based on Kalman filtering[J].IEEE Trans. on Signal Processing.2002, 50(1):87-95[13]张贤达, 保铮. 通信信号处理. 北京: 国防工业出版社, 2000: 420-482.[14]王伶. 移动通信中的多用户检测与自适应空时接收机研究. [博士论文], 西安： 西安电子科技大学, 2004.[15]归行茂, 李重华, 柴常智. 数学手册. 上海: 上海科学普及出版社, 1993: 623-627.[16]陈国良, 王煦法, 庄镇泉等. 进化算法及其应用. 北京: 人民邮电出版社, 1996: 1-163.[17]Wang L, Jiao L C. Evolutionary algorithm based on immune strategy. Chinese Journal of Electronics, 2001, 10(2): 170-174.[18]Earg V K. IS-95 CDMA and CDMA2000: Cellular/PCS systems[19]implementation (影印板). 北京: 电子工业出版社, 2002: 353-398.[20]Du H F.[J].Jiao L C, Liu R C. Adaptive polyclonal programmingalgorithm with applications. Proceeding of the Fifth International Conference on Computational Intelligence and Multimedia Applications, Xian.2003,:-