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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
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Corinne Berland, Jean-François Bercher, Olivier Venard. Gain and Delay Mismatches Cancellation in LINC and Polar Transmitters. International Symposium on Circuits and Systems (ISCAS'10), 2010, Paris, France. pp.1017-1020, ⟨10.1109/ISCAS.2010.5537365⟩. ⟨hal-00621958⟩

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