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IEICE Transactions on Communications 2008 E91-B(1):10-13; doi:10.1093/ietcom/e91-b.1.10
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Copyright © 2008 The Institute of Electronics, Information and Communication Engineers

Special Section on Cognitive Radio and Spectrum Sharing Technology -- Papers

Reconfigurable RF CMOS Circuit for Cognitive Radio

Kazuya MASU1 and Kenichi OKADA1

1 The authors are with Integrated Research Institute, Tokyo Institute of Technology, Yokohama-shi, 226-8503 Japan. E-mail: masu{at}pi.titech.ac.jp; okada{at}pi.titech.ac.jp


  Abstract

Cognitive radio and/or SDR (Software Defined Radio) inherently requires multi-band and multi standard wireless circuit. The circuit is implemented based on Si CMOS technology. In this article, the recent progress of Si RF CMOS is described and the reconfigurable RF CMOS circuit which was proposed by the authors is introduced. At the present and in the future, several kind of Si CMOS technology can be used for RF CMOS circuit implementation. The realistic RF CMOS circuit implementation toward cognitive and/or SDR is discussed.

Key Words: CMOS, reconfigurable RF circuit, cognitive radio

Manuscript received October 23, 2007.


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