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A Cognitive Radio (CR) Testbed System Employing a Wideband Multi-Resolution Spectrum Sensing (MRSS) Technique

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8 Author(s)
Hur, Y. ; Samsung RFIC Design Center at Georgia Tech., Atlanta, GA ; Park, J. ; Kim, K. ; Lee, J.
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A cognitive radio (CR) access technique is a promising solution for the dynamic spectrum resource usage. This paper presented a CR testbed system employing a wideband multi-resolution spectrum sensing (MRSS) technique. Analog implementation of the MRSS block offers wideband, low-power, and real-time operation. The MRSS experiments were performed using the developed CR testbed system. The experiment results showed that the MRSS technique detected wideband 100-MHz spectrum in a sparse or a precise manner without any increase of hardware burden. Moreover, this MRSS technique detected a variety of sophisticated signal formats adopted in the current and emerging wireless standards - IS-95, WCDMA, GSM, EDGE, Wi-Fi (IEEE802.Ha/b/g), ATSC, DVB, etc.

Published in:

Vehicular Technology Conference, 2006. VTC-2006 Fall. 2006 IEEE 64th

Date of Conference:

25-28 Sept. 2006