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Power amplifier memory-less pre-distortion for 3GPP LTE application

Bensmida, S., Morris, K., Lees, Jonathan, Wright, Peter Thomas, Benedikt, Johannes, Tasker, Paul J., Beach, M. and McGeehan, J. 2009. Power amplifier memory-less pre-distortion for 3GPP LTE application. Presented at: European Microwave Conference, 2009 (EuMC 2009), Rome, Italy, 29 September - 1 October 2009. European Microwave Week 2009 - "Science, Progress and Quality at Radiofrequencies": Conference Proceedings. London: Horizon House Publications, pp. 1433-1436.

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Abstract

A new and simple power amplifier (PA) linearization method is proposed and demonstrated using a very high efficiency yet inherently nonlinear inverse class-F PA. This was conducted in the presence of a generic variable envelope RF signal in order to extract its AM-AM and AM-PM characteristics. Deducing the polynomial pre-distortion parameters from the AM-AM and AM-PM characteristic has resulted in the successful linearization of the PA in the presence of 3GPP long term evolution (LTE) signals. The results obtained for the PA - a 12 W GaN HEMT inverse class-F structure designed to operate at 900 MHz - demonstrate the proof of concept and the efficiency of the proposed linearization technique with significant advantageous reduction in base-band resources for 3GPP LTE applications.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Publisher: Horizon House Publications
ISBN: 9781424447480
Last Modified: 04 Jun 2017 04:24
URI: http://orca-mwe.cf.ac.uk/id/eprint/38369

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