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Introducing Software Defined Radio to 4GWireless: Necessity, Advantage, and Impediment  

Zamat, Hassan (Design Center Manager, IBM Microelectronics)
Nassar, Carl R. (Assistant Professor, Department of Electrical and Computer Engineering, Colorado State University)
Publication Information
Journal of Communications and Networks / v.4, no.4, 2002 , pp. 344-350 More about this Journal
Abstract
This work summarizes the current state of the art in software radio for 4G systems. Specifically, this work demonstrates that classic radio structures, e.g., heterodyne reception, homodyne reception, and their improved implementations, are inadequate selections for multi-mode reception. This opens the door to software defined radio, a novel reception architecture which promises ease in multi-band, multi-protocol design. The work presents the many advantages of such an architecture, including flexibility, reduced cost via component reduction, and improved reliability via, e.g., the elimination of environmental instability. The work also explains the limitations that currently curtail the widespread use of SDR, including issues surrounding A/D converters, management of software and power, and clock generation. This provides direction for future research to enable the broad applicability of SDR in 4G cellular and beyond.
Keywords
Software defined radio; receiver architecture; radio; supreheterodyne receiver; direct conversion receiver; 4G; 3G; 2.5G; wireless architecture; RF.;
Citations & Related Records

Times Cited By Web Of Science : 1  (Related Records In Web of Science)
Times Cited By SCOPUS : 3
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