A new M-estimator based robust multiuser detection in flat fading synchronous non-Gaussian channels

2005 ◽  
Author(s):  
T.A. Kumar ◽  
K. Deergha Rao
Keyword(s):  
Multiuser Detection ◽  
Gaussian Channels ◽  
Flat Fading ◽  
M Estimator ◽  
Non Gaussian

scholarly journals Robust Multiuser Detection in Synchronous DS-CDMA System with MRC Receive Diversity over Nakagami-m Fading Channel

2012 ◽  
Vol 4 ◽  
pp. 43-50 ◽  
Author(s):  
Rao V. Srinivasa ◽  
Kumar P. Vinay ◽  
S. Balaji ◽  
Khan Habibulla ◽  
Kumar T. Anil
Keyword(s):  
Multiuser Detection ◽  
Fading Channel ◽  
Decorrelating Detector ◽  
Probability Of Error ◽  
Receive Diversity ◽  
M Estimator ◽  
Average Probability ◽  
M Channels ◽  
Non Gaussian ◽  
Code Division Multiple

This paper presents the robust multiuser detection in synchronous direct sequence-code division multiple access (DS-CDMA) systems with Maximal Ratio Combiner (MRC) receive diversity over frequency-nonselective, slowly fading Nakagami-m channels in a non-Gaussian environment. Average probability of error is derived for decorrelating detector over single path Nakagami-m fading channel. A new M-estimator proposed to robustify the detector is studied and analyzed. Simulation results show that the new M-estimator outperforms linear decorrelating detector, the Huber, and the Hampel estimator based detectors.

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