Title :
Adaptive frequency-domain interference cancellation and channel equalizer for MIMO-CP-CDMA systems
Author :
Xu, Jing ; Wang, Haifeng ; Cheng, Shixin ; Chen, Ming ; Bu, Zhiyong
Author_Institution :
Shanghai Inst. of Microsystem & Inf. Technol.
Abstract :
The adaptive frequency domain interference cancellation and channel equalizer for MIMO-CP-CDMA systems is proposed to cancel the residual interference stage by stage. At each stage, the proposed scheme performs the adaptive forward filtering and interference cancellation in frequency domain so that the signal to interference plus noise ratio can be improved and the error propagation of the interference cancellation can be avoided. The achieved SINR of each code channel is utilized to compute the normalized correlation coefficient. Simulation results show that the proposed scheme can achieve the satisfactory performance and avoid the error propagation
Keywords :
MIMO systems; adaptive filters; channel allocation; channel coding; code division multiple access; equalisers; filtering theory; interference suppression; radiofrequency interference; MIMO-CP-CDMA systems; adaptive forward filtering; adaptive frequency-domain interference cancellation; channel coding; channel equalizer; error propagation; residual interference; signal to interference plus noise ratio; Adaptive filters; Computational modeling; Equalizers; Filtering; Frequency domain analysis; Interference cancellation; Multiaccess communication; Noise cancellation; Signal to noise ratio; Transmitting antennas;
Conference_Titel :
Wireless Communications and Networking Conference, 2006. WCNC 2006. IEEE
Conference_Location :
Las Vegas, NV
Print_ISBN :
1-4244-0269-7
Electronic_ISBN :
1525-3511
DOI :
10.1109/WCNC.2006.1696522
