Abstract:This paper proposes a nonlinear descision feedback interference suppressor (DFIS)used both in the estimation of filter reference input and the weight update to suppress multi-tone interference in CDMA.Structure of DFIS is simpler.Two kinds of estimation filter;I.e.,single-side prediction filter and two-side tapped filter are used.Expressions of the SNR improvement are derived.The results of simulation with comparison to the theoretical analysis for two estimation filters are presented on the rejection performance.
杜丽冰; 王志杰; 孙红雨. DFIS用于抑制CDMA中的多路单频干扰[J]. 电子与信息学报, 2000, 22(4): 568-572 .
Du Libing; Wang Zhijie; Sun Hongyu. USING DFIS FOR MULTI-TONE INTERFERENCE SUPPRESSION IN CDMA. , 2000, 22(4): 568-572 .