Decision Feedback Blind Equalization Algorithm Based on Maximal Ratio Combining Spatial Diversity
Guo Ye-cai · Jisuanji fangzhen · 2008
The multipath and fading channels always introduce Inter-Symbol Interference (ISI) in the receiver and affect communication quality seriously. In order to improve the communication system performance and decrease Bit Error Rate (BER), Maximal Ratio Combining spatial diversity based Decision Feedback blind equalization(MRC-DFE)was proposed on the basis of analyzing spatial diversity and decision feedback equalizer’s performance. The proposed algorithm employs spatial diversity for reducing fading effect and utilizes decision feedback equalizer to overcome ISI. So, the proposed algorithm has faster convergence speed and smaller mean square error, and its validity of the proposed algorithm is verified by computer simulation.