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Content Provider | IEEE Xplore Digital Library |
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Author | Rivet, F. Deval, Y. Begueret, J.-B. Dallet, D. Cathelin, P. Belot, D. |
Copyright Year | 2009 |
Description | Author affiliation: Universite de Bordeaux 1, IMS Laboratory, 351 Cours de la Liberation, 33405 Talence Cedex, France (Rivet, F.; Deval, Y.; Begueret, J.-B.; Dallet, D.) || STMicroelectronics, Central R&D, 38926 Crolles Cedex, France (Cathelin, P.; Belot, D.) |
Abstract | This paper presents the principles of a Sampled Analog Signal Processor (SASP) dedicated to Software Radio mobile device. Many technological bottlenecks are to be overcome. The idea is to design a discrete analog signal processor to challenge theses bottlenecks. The main issue associated with the A/D conversion is thus avoided. The SASP aims to select a spectral envelope of a RF signal among all RF signals. To reach that target, the SASP processed analogically the RF input signal spectrum thanks to an analog Discrete Fourier Transform (DFT). Once the spectrum processed, only the voltage samples representing the signal envelope to be treated are converted into digital. The selection of few voltage samples among thousands others replaces the classical mixing and filtering operations. It dramatically reduces the A/D conversion frequency from GHz to MHz frequencies. Design strategy, applications and for the very first time, measurements are presented. |
Starting Page | 25 |
Ending Page | 28 |
File Size | 1570452 |
Page Count | 4 |
File Format | |
ISBN | 9781424433773 |
ISSN | 15292517 |
DOI | 10.1109/RFIC.2009.5135482 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-06-07 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Software radio Receivers Signal processing Discrete Fourier transforms Voltage Frequency conversion Signal design Radio frequency RF signals Filtering sampled analog signal processor analog signal processing software radio cognitive radio |
Content Type | Text |
Resource Type | Article |
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