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Peak-to-Average Power Ratio Reduction of OFDM Signals using Pulse Shaping
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0001-9697-9978
2000 (English)In: Global Telecommunications Conference, 2000. GLOBECOM '00. IEEE, New York: IEEE , 2000, 1412-1416 p.Conference paper (Refereed)
Abstract [en]

This paper proposes an efficient technique for reducing the PAPR of OFDM signals. The proposed technique is very effective and avoids the use of extra inverse fast Fourier transformations (IFFTs) as was done in some previously published techniques but instead is based on a proper selection of the time-limited waveforms of the different subcarriers. Thus, its implementation complexity is also much lower in comparison to the previous published methods. This technique is also very flexible and it can be used for OFDM and discrete multi-tone (DMT) transmissions. The improved statistics of the PAPR in the transmitted signal is demonstrated through numerical results for some sets of time waveforms. The significant improvement in PAPR given by the present technique permits to reduce the complexity and cost of the transmitter significantly.

Place, publisher, year, edition, pages
New York: IEEE , 2000. 1412-1416 p.
National Category
Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-28041DOI: 10.1109/GLOCOM.2000.891871OAI: diva2:383833
IEEE Global Telecommunication Conference (GLOBECOM'00); San Francisco, CA, USA, 27 Nov 2000-01 Dec 2000
QC 20110111Available from: 2011-01-06 Created: 2011-01-06 Last updated: 2011-11-29Bibliographically approved

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