Title :
Wide-band multipath A to D converter for cognitive radio applications
Author :
Gruget, Alban ; Roger, Morgan ; Van Tam Nguyen ; Lelandais-Perrault, Caroline ; Bénabès, Philippe ; Loumeau, Patrick
Author_Institution :
COMELEC Dept., Telecom ParisTech, Paris, France
Abstract :
This article presents a digital-enhanced radio frequency receiver for fast wide-band spectrum sensing. It is based on charge sampling and hybrid filter bank techniques. The charge sampling method is employed to design analog bandpass filters. Using a hybrid filter bank for wide-band analog-to-digital conversion improves the speed and resolution of the conversion. We propose to use these techniques in combination of frequency-division multiplexing with time-division multiplexing to design an integrated, completely software reconfigurable and reliable backend of radio frequency receiver for cognitive radio applications.
Keywords :
analogue-digital conversion; band-pass filters; broadband networks; channel bank filters; cognitive radio; frequency division multiplexing; multipath channels; radio receivers; time division multiplexing; analog bandpass filters; analog-digital converter; charge sampling method; cognitive radio applications; digital enhanced radio frequency receiver; frequency division multiplexing; radio frequency receiver; time division multiplexing; wideband multipath; wideband spectrum sensing; Analog-digital conversion; Application software; Band pass filters; Cognitive radio; Filter bank; Frequency division multiplexing; Radio frequency; Receivers; Sampling methods; Wideband; ADC; Analog-digital conversion; Bandpass charge sampling; Hybrid filter bank; Integration sampler; Wide-band sensing; Wideband receiver;
Conference_Titel :
RF Front-ends for Software Defined and Cognitive Radio Solutions (IMWS), 2010 IEEE International Microwave Workshop Series on
Conference_Location :
Aveiro
Print_ISBN :
978-1-4244-5751-9
DOI :
10.1109/IMWS.2010.5440996
