A Low-Complexity DOA Estimation Algorithm for Asynchronous DS-CDMA Systems

Godara L C. Application of antenna arrays to mobile communications, part Ⅱ: beam-forming and direction-of-arrival considerations[J].Proc. IEEE.1997, 85(8):1195-1245[2]Blanz J J, et al.. Smart antennas for combined DOA and joint channel estimation in time-slotted CDMA mobile radio systems with joint detection[J].IEEE Trans. on Veh. Tech.2000, 49(3):293-306[3]Lei Zhongding, Lim T J. Estimation of directions of arrival of multipath signal in CDMA systems[J].IEEE Trans. on Comm.2000, 48(6):1022-1028[4]Liu J, Wan C. Signal sub-space DOA estimation in CDMA communications with multipath propagation. IEEE Wireless Comm. and Networking Conf., 1999, 2: 640-643.[5]Naguib A F, Paulraj A. Recursive adaptive beamforming for wireless CDMA[J].IEEE International Conf. on Gateway to Globalization, Seattle.1995, 3:1515-1519[6]Liu Hui, Zoltowski M D. Blind equalization in antenna array CDMA systems[J].IEEE Trans. on Signal Proces.1997, 45(1):161-171[7]Wang K, Ge H. Joint estimation of time delays and DOAs for DS-CDMA system over Rayleigh fading channels. ICC, 2001, 5: 1436-1440.[8]Guenach M, Vandendorpe L. Tracking performance of DA and DD Multiuser timing synchronizers for short code DS-CDMA systems[J].IEEE J. on Selected Areas Comm.2001,19(12):2452-2461