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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 closedform 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), 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 closedform 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), 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: 17 Dec 2019 02:03

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Contributors

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

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