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Estimation of the Clipping Level in OFDM Systems
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2015 (English)In: 2015 49TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, 2015, 1169-1173 p.Conference paper (Refereed)
Abstract [en]

We consider scenarios such as machine-to-cellular communications, where a low-cost transmitter communicates with a high-quality receiver. Then, digital pre-distortion of the non-linear power amplifier may be too expensive. In order to investigate the feasibility of receiver-side compensation of the transmitter RF impairments, we study estimation of the clipping level in OFDM systems. Both blind and pilot based schemes are proposed and numerical evaluations show that iterative decoding can be done using the estimated clipping level without any significant performance loss.

Place, publisher, year, edition, pages
2015. 1169-1173 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-192011DOI: 10.1109/ACSSC.2015.7421324ISI: 000380471900210ScopusID: 2-s2.0-84969754376ISBN: 978-1-4673-8576-3OAI: oai:DiVA.org:kth-192011DiVA: diva2:967344
Conference
2015 49th Asilomar Conference on Signals, Systems and Computers, NOV 08-11, 2015, Asilomar Hotel & Conference Grounds, Pacific Grove, CA
Note

QC 20160908

Available from: 2016-09-08 Created: 2016-09-05 Last updated: 2016-09-08Bibliographically approved

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Olfat, EhsanBengtsson, Mats
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