OFDM-CDMA systems with nonlinear power amplifier

Junsong Li, Mohsen Kavehrad

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Scopus citations

Abstract

This investigation has been motivated by a recent increased interest in orthogonal frequency division multiplexing (OFDM) CDMA systems for broadband wireless services. One of the major problems in OFDM systems is nonlinear distortion caused by high-power amplifiers. In this paper, the effect of non-perfect power amplification on OFDM-CDMA systems is examined. Simulation results show that, with an ideally linearized amplifier, the performance of OFDM-CDMA systems can be improved over an AWGN channel. In general, OFDM-CDMA systems perform better than OFDM systems with non-ideal power amplification, by using a simple code word assignment scheme.

Original languageEnglish (US)
Title of host publication1999 IEEE Wireless Communications and Networking Conference, WCNC
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1167-1171
Number of pages5
ISBN (Electronic)0780356683
DOIs
StatePublished - Jan 1 1999
Event1st IEEE Annual Wireless Communications and Networking Conference, WCNC 1999 - New Orleans, United States
Duration: Sep 21 1999Sep 24 1999

Publication series

NameIEEE Wireless Communications and Networking Conference, WCNC
Volume3
ISSN (Print)1525-3511

Other

Other1st IEEE Annual Wireless Communications and Networking Conference, WCNC 1999
CountryUnited States
CityNew Orleans
Period9/21/999/24/99

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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