Citation

Ku, Ivan and Lee, Sze Wei and Chuah, Teong Chee (2007) Robust iterative multiuser receiver for coded CDMA systems in non-Gaussian channels. IEICE Electronics Express, 4 (12). 380-386 . ISSN 1349-2543

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Abstract

A robust front-end pre-filter incorporating non-quadratic signal processing techniques is proposed. We will demonstrate the effectiveness of this filter in suppressing impulsive noises in a coded direct sequence code-division multiple access (DS-CDMA) communication system. Based on M-Estimation approach, the pre-filter works by minimizing an appropriate penalty function in an iterative fashion with minimal increase in computational complexity of the system. With the use of this pre-filter in the system, performance enhancement in excess of 6 dB in non-Gaussian impulsive channels is demonstrated while maintaining comparable performance in Gaussian channel.

Item Type:	Article
Subjects:	T Technology > T Technology (General) Q Science > QA Mathematics > QA71-90 Instruments and machines > QA75.5-76.95 Electronic computers. Computer science
Divisions:	Faculty of Engineering and Technology (FET)
Depositing User:	Ms Suzilawati Abu Samah
Date Deposited:	29 Sep 2011 05:53
Last Modified:	29 Sep 2011 05:53
URII:	http://shdl.mmu.edu.my/id/eprint/3044

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