Soft Demodulation Algorithms for Orthogonally Modulated and Convolutionally Coded DS-CDMA System
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Xiao, P and Strom, E (2010) Soft Demodulation Algorithms for Orthogonally Modulated and Convolutionally Coded DS-CDMA System IEEE Transactions on Communications, 58 (3). 742 - 747. ISSN 0090-6778
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Official URL: http://dx.doi.org/10.1109/TCOMM.2010.03.080049
Abstract
A convolutionally coded M-ary orthogonal direct sequence code division multiple access (DS-CDMA) system in time-varying frequency-selective Rayleigh fading channels is considered in this work. We propose several novel soft demodulation algorithms based on interference cancellation and suppression techniques that can be coupled with soft decoding to improve the system performance in an iterative manner. The performance of the proposed demodulation algorithms is evaluated numerically and proved to achieve substantial bit error rate (BER) performance gain compared with the conventional detection schemes.
| Item Type: | Article |
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| Additional Information: | © 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
| Divisions: | Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research |
| ID Code: | 290118 |
| Deposited By: | Symplectic Elements |
| Deposited On: | 08 Mar 2012 14:33 |
| Last Modified: | 24 Jan 2013 09:31 |
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