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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sharif, B.S. Chuah, T.C. Hinton, O.R. Jimaa, S.A. |
| Copyright Year | 2003 |
| Description | Author affiliation: Etisalat Coll. of Eng., Sharjah, United Arab Emirates (Sharif, B.S.) |
| Abstract | Linear adaptive interference suppression is an effective approach in mitigating Multiple Access Interference (MAI) in CDMA communications channels under Gaussian noise. However, applying Gaussian-based linear receivers to realistic communications channels affected by impulsive noise can result in performance degradation and is therefore a suboptimal solution. The linear adaptive receiver is limited by its structural formulation as a simple linear combiner with a hyperplanar decision boundary that is unable to form arbitrarily non-linear boundaries inherent in CDMA communications, particularly under hostile channel conditions. In this paper, we consider the use of a multilayer perceptron (MLP) for robust single-user detection in multiuser non-Gaussian channels; the receiver is trained via the back-propagation (BP) algorithm using a known training sequence. Theoretical arguments supported by simulation suggest that the perceptron-based receiver, which combines the basic attributes of nonlinearity, adaptivity and non-parametric approach, shows promise as a near-far resistant receiver in non-Gaussian environments. |
| Sponsorship | IEEE IEEE Circuits and Syst. Soc. Univ. of Sharjah Etisalat College of Eng. Emirates Telecommunications Corp |
| Starting Page | 643 |
| Ending Page | 646 |
| File Size | 275466 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780381637 |
| DOI | 10.1109/ICECS.2003.1301867 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-12-14 |
| Publisher Place | United Arab Emirates |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Multiaccess communication Gaussian noise Multiple access interference Noise robustness Interference suppression Communication channels Gaussian channels Degradation Multilayer perceptrons Least squares approximation |
| Content Type | Text |
| Resource Type | Article |
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