Gain and Delay Mismatches Cancellation in LINC and Polar Transmitters

Corinne Berland; Jean-François Bercher; Olivier Venard

doi:10.1109/ISCAS.2010.5537365

Gain and Delay Mismatches Cancellation in LINC and Polar Transmitters

Corinne Berland ^{1, 2} Jean-François Bercher ³ Olivier Venard ²

1 LaMIPS - Laboratoire de Microélectronique et de Physique des Semiconducteurs

2 ESIEE Paris

3 LIGM - Laboratoire d'Informatique Gaspard-Monge

Abstract : This article presents the application of a gradient algorithm on impairments correction for polar and LINC transmitters (LInear amplification with Non linear Component). The two aspects of the approach are presented: identification and correction. The large improvements obtained using such solutions are demonstrated for both transmitters.

Keywords : gradient methods radio transmitters LINC transmitters delay mismatches cancellation gain mismatches cancellation gradient algorithm linear amplification with non linear component polar transmitters

Document type :

Conference papers

Domain :

Computer Science [cs] / Computation and Language [cs.CL]

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