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Digital distortion compensation for wideband direct digitization RF receiver

Raphael Vansebrouck 1, 2, * Olivier Jamin 2 Patricia Desgreys 1 van Tam Nguyen 3
* Corresponding author
1 C2S - Circuits et Systèmes de Communication
LTCI - Laboratoire Traitement et Communication de l'Information
2 NxP
NXP Semiconductors
Abstract : This paper deals with the study of a new correction structure for the distortion compensation in direct digitization receivers. In that purpose, a modified post-distortion algorithm including an efficient adaptive filter is used. Performance have been demonstrated on measurements from a state of the art wideband TI-ADC and from an entire direct-digitization RF receiver. On the TI-ADC, with a two-tone input signal, the algorithm has improved the SFDR by ∼ 25dB. Besides, Besides, on the entire receiver, the algorithm has been able to achieve ∼ 16dB of improvement on the SFDR.
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Submitted on : Friday, November 6, 2015 - 11:13:17 AM
Last modification on : Saturday, October 17, 2020 - 3:33:38 AM
Long-term archiving on: : Monday, February 8, 2016 - 1:08:48 PM


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Raphael Vansebrouck, Olivier Jamin, Patricia Desgreys, van Tam Nguyen. Digital distortion compensation for wideband direct digitization RF receiver. NEWCAS, Jun 2015, Grenoble, France. ⟨10.1109/NEWCAS.2015.7182109⟩. ⟨hal-01225467⟩



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