Analytical evaluation of nonlinear amplify-and-forward relay systems for OFDM signals

João Guerreiro, Rui Dinis, Paulo Montezuma

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Amplify-and-forward relay techniques combined with OFDM (Orthogonal Frequency Division Multiplexing) modulations are being considered for broadband wireless systems since they allow simple relay systems suitable for severely time-dispersive channels. However, since they rely in OFDM-based signals, these techniques are prone to nonlinear distortion effects. In this paper we consider OFDM- based amplify-and- forward relay systems with strong nonlinear distortion effects at both the transmitter and the relay node and we present a simple, but accurate, analytical method for characterizing the distortion levels at the subcarrier level.

Original languageEnglish
Title of host publication 2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall)
Place of PublicationPiscataway
PublisherIEEE
Pages1-5
ISBN (Electronic)9781479944491
DOIs
Publication statusPublished - 24 Nov 2014
Event80th IEEE Vehicular Technology Conference, VTC 2014-Fall - Vancouver, Canada
Duration: 14 Sep 201417 Sep 2014

Publication series

NameIEEE Vehicular Technology Conference
ISSN (Print)1550-2252

Conference

Conference80th IEEE Vehicular Technology Conference, VTC 2014-Fall
CountryCanada
CityVancouver
Period14/09/1417/09/14

Keywords

  • amplify-and-forward
  • nonlinear distortion effects
  • OFDM
  • relay

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