Non-idealities Compensation in Full-Digital Receivers with Application to Ultra-Wide Band View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2014-09

AUTHORS

Angelo Coluccia, Vincenzo Chironi, Stefano D’Amico

ABSTRACT

Nowadays many transceivers adhere to full-digital design principles, with the basic operations performed in the analog domain (filtering, down-conversion) and the whole remaining processing postponed to the digital domain (including matched filtering and synchronization). Though the operations in the analog front-end are ideally reversible, hence no signal degradation should occur before the analog-to-digital conversion (thus preserving the information integrity), however the intrinsic non-idealities in the circuitry may introduce a certain level of distortion. In this paper we provide a simple and flexible approach for the compensation of these effects. We derive useful formulas for obtaining a digital compensation filter by means of a direct transformation of the analog system coefficients. This allows to easily perform the compensation in the digital domain via fast Fourier transform. To illustrate the procedure, the case-study of a ultra-wide band receiver is addressed. Numerical results show that an improvement of more than 1 dB can be obtained at bit-error rate of interest for the applications. Sample code is also provided for an easy implementation. More... »

PAGES

671-686

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11277-014-1777-0

DOI

http://dx.doi.org/10.1007/s11277-014-1777-0

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1016709095


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