4 Citations (Scopus)

Abstract

This paper describes the development of a distributed estimation algorithm for amplify-and-forward sensor transmissions with realistic nonlinear amplifier models at the sensors. Specifically, an algorithm is developed that enables distributed estimation with amplifiers operating in the non-linear class AB region. In this system, a digital predistortion scheme is utilized to fit an amplifier to a mathematically tractable, known nonlinearity that is close to the compression characteristics of the amplifier. We show using this scheme has two benefits over linear amplifier operation: improved transmitter efficiency and reduced sensitivity to heavy-tailed distributions due to the soft saturation. The amplifier characteristics and predistortion methods are presented as part of the Java-DSP software package.

Original languageEnglish (US)
Title of host publicationIET Seminar Digest
Volume2013
Edition1
DOIs
StatePublished - 2013
EventConstantinides International Workshop on Signal Processing, CIWSP 2013 - London, United Kingdom
Duration: Jan 25 2013Jan 25 2013

Other

OtherConstantinides International Workshop on Signal Processing, CIWSP 2013
CountryUnited Kingdom
CityLondon
Period1/25/131/25/13

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Sensors
Software packages
Transmitters

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Estimation for amplify-and-forward transmissions with nonlinear amplifiers. / Santucci, Robert; Banavar, Mahesh K.; Spanias, Andreas; Tepedelenlioglu, Cihan.

IET Seminar Digest. Vol. 2013 1. ed. 2013.

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

Santucci, R, Banavar, MK, Spanias, A & Tepedelenlioglu, C 2013, Estimation for amplify-and-forward transmissions with nonlinear amplifiers. in IET Seminar Digest. 1 edn, vol. 2013, Constantinides International Workshop on Signal Processing, CIWSP 2013, London, United Kingdom, 1/25/13. https://doi.org/10.1049/ic.2013.0021
Santucci, Robert ; Banavar, Mahesh K. ; Spanias, Andreas ; Tepedelenlioglu, Cihan. / Estimation for amplify-and-forward transmissions with nonlinear amplifiers. IET Seminar Digest. Vol. 2013 1. ed. 2013.
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