Fractionally Spaced Channel Estimation for Synchronous DS-CDMA Downlink with Aperiodic Spreading Code

Tong Lang, Xu Guanghan, Kailath T. Blind identification and equalization based on second-order statistics: a time domain approach[J].IEEE Trans. on Information Theory.1994, 40(2):340-349[2]Tong Lang, Xu Guanghan, Hassibi B, Kailath T. Blind channel identification based on secondorder statistics: a frequency-domain approach[J].IEEE Trans. on Information Theory.1995, 41(1):329-334[3]Liu Hui, Xu Guanghan. A subspace method for signature waveform estimation in synchronous CDMA systems[J].IEEE Trans. on Communications.1996, 44(1):1346-1354[4]Weiss A J, Friedlander B. Channel estimation for DS-CDMA downlink with aperiodic spreading codes[J].IEEE Trans. on Communications.1999, 47(10):1561-1569[5]Wang Xiaodong, Poor H V. Blind joint equalization and multiuser detection for DS-CDMA in unknown correlated noise. IEEE Trans. on Communications, 1999, 46(7): 886-895.[6]Buzzi S, Poor H V. Channel estimation and multiuser detection in long-code DS/CDMA systems[J].IEEE J. on Selected Areas in Communications.2001, 19(8):1476-1487[7]Xu Zhengyuan, Reitz D. Subspace-based channel estimation for CDMA downlink with aperiodic spreading codes and multiple subchannels, CSSC2001, America, 2001, (2): 1728-1732.