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A method for real-time generation of slew-rate limited envelopes in envelope tracking transmitters

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4 Author(s)
Montoro, G. ; Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya, Castelldefels, Spain ; Gilabert, P.L. ; Bertran, E. ; Berenguer, J.

This paper shows a method for generating slew-rate limited envelopes in order to accomplish the slew-rate restrictions of the envelope driver in envelope tracking transmitters. The proposed algorithm can run in real-time and it is implemented in a digital front-end of a Software Radio system. Simulation results and conclusions are provided to validate the methodology. Moreover, experimental results of an FPGA implementation are also provided.

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