Du Libing, Wang Zhijie, Sun Hongyu. USING DFIS FOR MULTI-TONE INTERFERENCE SUPPRESSION IN CDMA[J]. Journal of Electronics & Information Technology, 2000, 22(4): 568-572.
Citation:
Du Libing, Wang Zhijie, Sun Hongyu. USING DFIS FOR MULTI-TONE INTERFERENCE SUPPRESSION IN CDMA[J]. Journal of Electronics & Information Technology, 2000, 22(4): 568-572.
Du Libing, Wang Zhijie, Sun Hongyu. USING DFIS FOR MULTI-TONE INTERFERENCE SUPPRESSION IN CDMA[J]. Journal of Electronics & Information Technology, 2000, 22(4): 568-572.
Citation:
Du Libing, Wang Zhijie, Sun Hongyu. USING DFIS FOR MULTI-TONE INTERFERENCE SUPPRESSION IN CDMA[J]. Journal of Electronics & Information Technology, 2000, 22(4): 568-572.
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.
Poor H V,Rusch L A.Narrowband interference suppression in spread spectrum CDMA.IEEE Personal Comm.Third Quarter,1994,14-17.[2]Wen-Rong Wu,Fu-Fang Yu.New nonlinear algorithms for estimating and suppressing narrow-band interference in DS spread spectrum.IEEE Trans.on Comm.1996,44(4):508-515.[3]Li Zhengmao,et al.Rejection of multiple narrowband interference in DS spread-spectrum sys-tems.IEEE COM86,1986,5.4.1-5.4.5.
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