Imperial College London > Talks@ee.imperial > Featured talks > RESEARCH CHALLENGES IN COGNITIVE RADIO NETWORKS

RESEARCH CHALLENGES IN COGNITIVE RADIO NETWORKS

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The cognitive radio technology will allow a group of potential users to identify and access available spectrum resources provided that the interference to users for whom the band has been licensed is kept below a prescribed level. This research area is at an nascent stage because various research challenges have to be addressed and solved. In this talk we present an overview of some research issues for cognitive radio networks. Specifically, we present research and developments in cognitive radio networks done at the University of British Columbia on: i) spectrum sensing, ii) link adaptation, iii) advanced transceiver design, and iv) admission control. We discuss research problems related to these specific topics that need to be addressed before deployment of cognitive radio systems.

BIOGRAPHY : Vijay K. Bhargava is a Professor in the Department of Electrical and Computer Engineering at the University of British Columbia where he served as Department Head from 2003 to 2008. He served as the Founder and President of Binary Communications Inc. (1983-2000). He is a co-author (with D. Haccoun, R. Matyas and P. Nuspl) of Digital Communications by Satellite (New York: Wiley 1981), a co-editor (with S. Wicker) of Reed Solomon Codes and their Applications (IEEE Press 1994), a co-editor (with V. Poor, V. Tarokh and S. Yoon) of Communications, Information and Network Security (Kluwer: 2003) and a co-editor (with E. Hossain) of Cognitive Wireless Communications Networks (Springer: 2007). In January 2007, he was appointed Editor-in-Chief of the IEEE Transactions on Wireless Communications and in January 2009 he was renewed for a further two year term.

A Fellow of the IEEE , the Engineering Institute of Canada (EIC), the Royal Society of Canada, and the Canadian Academy of Engineering, Vijay has been honoured many times by his colleagues and has received numerous awards. Vijay is very active in the IEEE and has served as the President of the Information Theory Society. He is a candidate for the office of Vice-President, Membership Affairs in the forthcoming election of the IEEE Communications Society.

Speaker’s web Address: www.ece.ubc.ca/~vijayb

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