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Performance of Residue Number System Based DS-CDMA over Multipath Channels Using Orthogonal Sequences

Yang, L-L and Hanzo, L (1998) Performance of Residue Number System Based DS-CDMA over Multipath Channels Using Orthogonal Sequences European Transactions on Communications, 9, (6), pp. 525-535.

Record type: Article


This paper is concerned with a new direct-sequence spread-spectrum multiple-access communication system based on the so-called residue number system (RNS) or redundant residue number system (RRNS). The system operates in a multipath fading environment, and a RAKE receiver structure with maximum ratio combining is used for demodulation. Approximations to the error probabilities are given by using Gaussian statistics for the multiple-access and the multipath interference. Concatenated codes employing residue number system product codes (RNS-PC) as the inner codes and nonbinary Reed-Solomon (RS) codes as the outer codes are adopted to improve thc system performance. The performance of the system is determined for a range of different length RNS-PC schemes. The results show that, for a given outer RS code and a given number of moduli of the inner RNS-PC, the performance of the system ean be optimized by varying the relative number of information moduli and redundant moduli of the inner RNS-PC and the moduli's values.

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Published date: November 1998
Organisations: Southampton Wireless Group


Local EPrints ID: 251279
PURE UUID: 54f3aa91-f12b-45de-bd8a-8a3b09b58d02
ORCID for L-L Yang: ORCID iD

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Date deposited: 25 Oct 1999
Last modified: 18 Jul 2017 10:11

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Author: L-L Yang ORCID iD
Author: L Hanzo

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