PAPR reduction by nulled subcarrier distortion in per-subcarrier antenna selection systems

Rafael Cepeda, Justin P. Coon

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)


We propose a rate-lossless technique for reducing the peak-to-average power ratio (PAPR) in orthogonal frequency-division multiplexing systems employing antenna selection on a per-subcarrier basis. The proposed technique, which is from the family of the active constellation extension (ACE) approach to PAPR reduction, exploits the nulled subcarriers (for a given antenna) that arise through the antenna selection process to reduce the PAPR by introducing a controlled level of distortion to these subcarriers. We show that the new scheme is capable of achieving a much lower PAPR than traditional ACE methods applied to per-subcarrier antenna selection systems. Moreover, we demonstrate through simulation analyses that the distortion transmitted on the nulled subcarriers will not hinder practical system performance.

Original languageEnglish
Title of host publicationIEEE 6th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), 2010
Place of PublicationNEW YORK
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages5
ISBN (Print)978-1-4244-7742-5
Publication statusPublished - 2010
EventIEEE International Conference on Communications, 2008 (ICC '08) - Beijing., China
Duration: 19 May 200823 May 2008


ConferenceIEEE International Conference on Communications, 2008 (ICC '08)


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