Linearly Constrained RLS Algorithm with Variable Forgetting Factor for DS-CDMA Systems

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Title:	Linearly Constrained RLS Algorithm with Variable Forgetting Factor for DS-CDMA Systems
Authors:	CHERN (陳), Shiunn-Jang (巽璋), Chun-Hung Sun
Contributors:	電機工程學系暨研究所
Keywords:	linearly constrained RLS;variable forgetting factor;DS-CDMA;narrowband interference suppression;SINR
Date:	2014-12-04
Issue Date:	2015-02-10 15:45:08 (UTC+8)
Publisher:	IEEE Conference Publication
Abstract:	In this paper we present a novel linearly constrained (LC) RLS algorithm with variable forgetting factor (VFF), and apply to the DS-CDMA system for suddenly joined narrowband interference suppression. Under Rayleigh fading channel environment, the VFF could be employed to improve the tracking capability compared with the conventional LC-RLS algorithm with fixed value of forgetting factor (FF). From computer simulation results, we verify that the proposed scheme outperforms the conventional optimal FF LC-RLS algorithm in terms of rapid tracking capability and strong narrow-band suppression.
Relation:	2014 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS),
Appears in Collections:	[Graduate Institute & Department of Electrical Engineering] Proceeding

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