Comparison of four OFDM signal representations approaches for high dynamic range nonlinear PA behavioural modelling

Máirtín O'Droma, Yiming Lei

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

Abstract

This paper1 presents advances in techniques for representing OFDM signals in nonlinear RF power amplifier behavioural modelling. OFDM is significantly sensitive to nonlinear distortion because of the high peak to average power ratio (PAPR) of its envelope. Four signal representation techniques are presented and compared. These are Direct Time Domain method (DTD), Mixed Frequency and Time Domain method (MFTD), Statistical approach (Stat), and MFTD combined with a Modified Stat approach (MFTD-MS). All four are applied to a Bessel Fourier behavioural model for a GaN nonlinear PA. This model is a particularly suitable tool for large dynamic range nonlinearity analysis of certain classes of multicarrier signals. The goal is to compare accuracy, preservation of modulation information, complexity and computer resource consumption.

Original languageEnglish
Title of host publicationEuropean Microwave Week 2007 Conference Proceedings, EuMW 2007 - 2nd European Microwave Integrated Circuits Conference, EuMIC 2007
Pages143-146
Number of pages4
DOIs
Publication statusPublished - 2007
EventEuropean Microwave Week 2007, EuMW 2007 - 2nd European Microwave Integrated Circuits Conference, EuMIC 2007 - Munich, Germany
Duration: 8 Oct 200712 Oct 2007

Publication series

NameEuropean Microwave Week 2007 Conference Proceedings, EuMW 2007 - 2nd European Microwave Integrated Circuits Conference, EuMIC 2007

Conference

ConferenceEuropean Microwave Week 2007, EuMW 2007 - 2nd European Microwave Integrated Circuits Conference, EuMIC 2007
Country/TerritoryGermany
CityMunich
Period8/10/0712/10/07

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