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Exact BER Performance of Asynchronous DS-CDMA Systems using Quadriphase Spreading and QPSK Modulation over Rayleigh Channels

Exact BER Performance of Asynchronous DS-CDMA Systems using Quadriphase Spreading and QPSK Modulation over Rayleigh Channels
Exact BER Performance of Asynchronous DS-CDMA Systems using Quadriphase Spreading and QPSK Modulation over Rayleigh Channels
An accurate closed-form expression is derived for calculating the average BER in an asynchronous DS-CDMA system using random complex-valued spreading sequences for transmission over Rayleigh channels. This accurate solution is based on the Characteristic Function (CF) approach and only requires a single numerical integration. Our numerical simulation results verify its accuracy, and also demonstrate the relative inaccuracy of the Gaussian approximation.
1125-1129
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) Exact BER Performance of Asynchronous DS-CDMA Systems using Quadriphase Spreading and QPSK Modulation over Rayleigh Channels. IEEE WCNC'06, Las Vegas, Nevada, United States. 03 - 06 Apr 2006. pp. 1125-1129 .

Record type: Conference or Workshop Item (Paper)

Abstract

An accurate closed-form expression is derived for calculating the average BER in an asynchronous DS-CDMA system using random complex-valued spreading sequences for transmission over Rayleigh channels. This accurate solution is based on the Characteristic Function (CF) approach and 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: 3-6 April 2006
Venue - Dates: IEEE WCNC'06, Las Vegas, Nevada, United States, 2006-04-03 - 2006-04-06
Organisations: Southampton Wireless Group
Learn more about Southampton Wireless Group research

Identifiers

Local EPrints ID: 261733
URI: http://eprints.soton.ac.uk/id/eprint/261733
PURE UUID: 3e669c4c-99bb-42d9-9d86-f7a26e8323a5
ORCID for L. Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 03 Jan 2006
Last modified: 18 Mar 2024 02:33

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Contributors

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

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