Spectrum Sharing: Scenarios and Opportunities.

SpeakerDr. Sumit Roy, Ph.D.
Organization Department of Electrical Engineering, University of Washington
LocationPlace: EBIII 2213
DateOctober 27, 2017 11:45 AM

Abstract: The talk will present an overview of current research that thematically centers around Spectrum Sharing following Jun 2010 U.S. Presidential Memorandum to ``make available a total of 500 MHz of Federal and nonfederal spectrum over the next 10 years, suitable for both mobile and fixed wireless broadband use”. The first down payment on the above is the current AWS-3 transition of 50 MHz of spectrum that will require spectral coordination between numerous Federal incumbents (radar, navigation etc.) and cellular operator networks (notably, 4G LTE and WiFi). The talk will describe a suite of analytical+simulation approaches to explore co-existence between co-located radar and civilian communication networks, via balancing conflicting design goals. Further, real-time spectrum sharing requires persistent real-time spectrum monitoring; in turn this necessitates new sensing architectural solutions. Recent work on developing a low-cost Software Defined Radio (SDR) based distributed spectrum monitoring system - CityScape - will be described. Bio: Sumit Roy received the B. Tech. degree from the Indian Institute of Technology (Kanpur) in 1983, and the M. S. and Ph. D. degrees from the University of California (Santa Barbara), all in Electrical Engineering in 1985 and 1988 respectively, as well as an M. A. in Statistics and Applied Probability in 1988. Presently he is Integrated Systems Professor of Electrical Engineering, Univ. of Washington where his research interests include fundamental analysis/design of wireless communication and sensor network systems spanning a diversity of technologies and system application areas: next-gen wireless LANs and beyond 4G cellular networks, heterogeneous network coexistence, spectrum sharing, white space networking and software defined radio platforms, vehicular and underwater networks, smart grids and RFID sensor networking. Among his distinctions, he was Science Foundation of Ireland’s E.T.S. Walton Awardee for a sabbatical at University College, Dublin (Jan-July 2008), was the recipient of a Royal Acad. Engineering (UK) Distinguished Visiting Fellowship (summer 2011), served as Visiting Research Scientist at Microsoft Research, Bangalore, India (8 weeks, Aug. 2014-Jan. 2015), an Erskine Fellow at Univ. of Canterbury, Christchurch, New Zealand (6 weeks, Mar.-Apr. 2015) and a High-End Visiting Expert for Shanghai JiaoTung University (2015-present). His activities for the IEEE Communications Society (CommSoc) includes membership of several technical and conference program committees, notably the Technical Committee on Cognitive Networks. He currently serves as CommSoc Distinguished Lecturer and was elevated to IEEE Fellow by Communications Society in 2007 for ``contributions to multi-user communications theory and cross-layer design of wireless networking standards”.

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