A novel rls space-time receiver in multi-path cdma channel
Zheng Jianzhong①; Jiao Licheng①; Li Xia②
①National Key Lab. for Radar Signal Processing Xidian University Xi'an 710071 China;②Institute of Information Science Xidian University Xi'an 710071 China
Abstract:This paper presents a sub-optimal data-selected scheme based on chip-matched filter for the multi-user receiver in multi-path CDMA channels, and studies the impact of this scheme on Multiple-Access Interference (MAI) and Inter-Symbol Interference (ISI). Then, the Recursive Least-Square (RLS) blind space-time multi-user detection based on the constrained condition is presented. Finally, the results of the simulations illustrate that the presented method is effective.