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Accurate BER Analysis of QPSK Modulated Asynchronous DS-CDMA Systems Communicating over Rayleigh Channels

Accurate BER Analysis of QPSK Modulated Asynchronous DS-CDMA Systems Communicating over Rayleigh Channels
Accurate BER Analysis of QPSK Modulated Asynchronous DS-CDMA Systems Communicating over Rayleigh Channels
The accurate average BER calculation of an asynchronous DS-CDMA system using random spreading sequences is studied in Rayleigh fading channels. An accurate closed-form expression is derived for the conditional characteristic function of the multiple access interference. An accurate BER expression is provided, which only requires a single numerical integration. Our numerical simulation results verify its accuracy, and also demonstrate the relative inaccuracy of the Gaussian approximation.
1640-1644
Liu, X.
878efcac-76c6-4ca0-8f4a-425f1e9abdac
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Liu, X.
878efcac-76c6-4ca0-8f4a-425f1e9abdac
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1

Liu, X. and Hanzo, L. (2006) Accurate BER Analysis of QPSK Modulated Asynchronous DS-CDMA Systems Communicating over Rayleigh Channels. IEEE VTC'06 (Spring), Melbourne, Australia. 07 - 10 May 2006. pp. 1640-1644 .

Record type: Conference or Workshop Item (Paper)

Abstract

The accurate average BER calculation of an asynchronous DS-CDMA system using random spreading sequences is studied in Rayleigh fading channels. An accurate closed-form expression is derived for the conditional characteristic function of the multiple access interference. An accurate BER expression is provided, which only requires a single numerical integration. Our numerical simulation results verify its accuracy, and also demonstrate the relative inaccuracy of the Gaussian approximation.

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More information

Published date: 2006
Additional Information: Event Dates: 7-10 May 2006
Venue - Dates: IEEE VTC'06 (Spring), Melbourne, Australia, 2006-05-07 - 2006-05-10
Organisations: Southampton Wireless Group
Learn more about Southampton Wireless Group research

Identifiers

Local EPrints ID: 262631
URI: http://eprints.soton.ac.uk/id/eprint/262631
PURE UUID: d3d6f64a-8163-4348-96a5-17c542cf91a2
ORCID for L. Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 25 May 2006
Last modified: 31 Oct 2023 02:33

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Contributors

Author: X. Liu
Author: L. Hanzo ORCID iD

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