Software-defined radio receiver: dream to reality

This article describes a fully integrated 90 nm CMOS software-defined radio receiver operating in the 800 MHz to 5 GHz band. Unlike the classical SDR paradigm, which digitizes the whole spectrum uniformly, this receiver acts as a signal conditioner for the analog-to-digital converters, emphasizing o...

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Veröffentlicht in:	IEEE communications magazine 2006-08, Vol.44 (8), p.111-118
Hauptverfasser:	Bagheri, R., Mirzaei, A., Heidari, M.E., Chehrazi, S., Minjae Lee, Mikhemar, M., Tang, W.K., Abidi, A.A.
Format:	Magazinearticle
Sprache:	eng
Schlagworte:	Analog-digital conversion Application software Bandwidth Channels Circuits CMOS Cognitive radio Digitization Dreams Filters Frequency GSM Portability Radio receivers Receivers Signal conditioners Wireless LAN
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Beschreibung
Zusammenfassung:	This article describes a fully integrated 90 nm CMOS software-defined radio receiver operating in the 800 MHz to 5 GHz band. Unlike the classical SDR paradigm, which digitizes the whole spectrum uniformly, this receiver acts as a signal conditioner for the analog-to-digital converters, emphasizing only the wanted channel. Thus, the ADCs operate with modest resolution and sample rate, consuming low power. This approach makes portable SDR a reality
ISSN:	0163-6804 1558-1896
DOI:	10.1109/MCOM.2006.1678118