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A universal radio frequency receiver architecture based on sampled analog signal processing

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5 Author(s)
Rivet, F. ; IMS Lab., Univ. de Bordeaux, Talence ; Deval, Y. ; Begueret, J. ; Dallet, D.
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A cell phone aims at receiving and transmitting information through cellular standards. It can contain up to six chips, each dedicated to a specific function working on a specific standard. In order to accommodate these different wireless standards, multi-band multi-standard devices are highly desired. A Software-Defined-Radio (SDR) can tune to any frequency band, select any reasonable channel bandwidth, and detect any known modulation. A SDR is a one-chip solution which covers all the radio spectrum. This paper presents the design of an analog discrete-time device located in a RF Front End receiver, between the antenna and a Digital Signal Processor (DSP). It uses the principle of the Discrete Fourier Transform (DFT) to fulfil the SDR purpose. An application to RF digital modulation is exhibited.

Published in:

Circuits and Systems, 2007. NEWCAS 2007. IEEE Northeast Workshop on

Date of Conference:

5-8 Aug. 2007