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OFDM PAPR reduction by convex optimization: A power amplifier point-of-view

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3 Author(s)
Nader, C. ; Center for RF Meas. Technol., Univ. of Gavle, Gavle, Sweden ; Handel, P. ; Bjorsell, N.

In this paper we evaluate the application of convex optimization for PAPR reduction on OFDM 802.11a signal type. A radio frequency power amplifier is measured and characterized while excited by both original and optimized OFDM signals. A state-of-art test setup was used for the purpose. Figure of merits such as power added efficiency, in-band errors, and out-of-band spectral emissions are investigated for their relevance and a study of the power distribution in the excitation signal is evaluated.

Published in:

RF Front-ends for Software Defined and Cognitive Radio Solutions (IMWS), 2010 IEEE International Microwave Workshop Series on

Date of Conference:

22-23 Feb. 2010