1S. Haykin,Cognitive radio:brainempowered wireless eommunications,IEEE J. Sel. Areas Com- mun.,2005, 23(2): 201-220.
2M. Gastpar,On capacity under receive and spatial spectrum-sharing constraints,IEEE Trans. Inf. Theory,2007,53(2):471-487.
3P.A. Hoeher,S. Badri-Hoeher,W. Xu,and C. Krakowski,Single-antenna co-channel interference cancellation for TDMA cellular radio systems, IEEE Trans. Wireless Commun.,2005,12(2):30 - 37.
4J.H. Winters,Optimum Combining in Digital Mobile Radio with Cochannel Interference, IEEE JSAC, 1984,2(4):528-539.
5S.L. Ariyavistakul,J.H. Winters,and N.R. Sollenberger,Joint Equalization and Interference Suppression for High Data Rate Wireless Systems, IEEE JSAC,2000,18(7):1214-1220.
6D. Asztely and B. Ottersten,MLSE and Spatio- temporal Interference Rejection Combining with Antenna Arrays,Proc. EUSIPCO' 98,Rhodes, Greece, 1998:1341-1344.
7K. Giridhar et al.,Nonlinear Techniques for the Joint Estimation of Cochannel Signals, IEEE Trans. Commun.,1997,45(4):473-484.
8P.A. Hoeher et al.,Joint Delayed-Decision Feedback Sequence Estimation with Adaptive State Allocation,Proc. IEEE Int'1.Symp. Info. Theory, Chicago,2004:132.
9Biing Hwang Juang,Y.G. Li,Jun Ma, Signal Processing in Cognitive Radio, Proceeding of the IEEE,2009,97(5):805-823.
10Lihai Liu, Jun Tong and Li Ping, Analysis and optimization of CDMA systems with chip- level interleavers. IEEE Journal on selected areas in communications,2006,24(1):141-150.