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SUMMARY:Wireless Physical-layer Security: Fundamentals and Jamming with Co
 ding for Secrecy - João P. Vilela\, Informatics Engineering\, University 
 of Coimbra
DTSTART:20180327T130000Z
DTEND:20180327T140000Z
UID:TALK102202@talks.cam.ac.uk
CONTACT:Alexander Vetterl
DESCRIPTION:The resurgence of physical-layer security\, after early contri
 butions from the seventies stemming from information-theoretic security co
 ncepts\, is tied to recent advances on wireless networks. While some works
  have looked at the effect of intrinsic wireless phenomena\, such as fadin
 g\, on the secrecy level of these networks\, other works consider active a
 pproaches whereby cooperative users  (e.g. relays or jammers) are used to 
 improve security. In particular\, otherwise silent devices can be selected
  as friendly jammers to improve secrecy\, by causing interference to adver
 saries. In this talk\, after introducing the fundamentals of wireless phys
 ical-layer security\, we present techniques for selecting jammers with sec
 urity concerns and show how to combine those jamming techniques with codin
 g methodologies to amplify the effect of jamming for secrecy\, while reduc
 ing the associated energy cost.\n\nBio:\nJoão P. Vilela is an assistant p
 rofessor at the Department of Informatics Engineering of the University of
  Coimbra and a senior researcher at the Laboratory of Communications and T
 elematics of the Centre for Informatics and Systems of the University of C
 oimbra. He received the Ph.D. in Computer Science in 2011 from the Univers
 ity of Porto\, Portugal\, period during which he was visiting the Coding\,
  Communications and Information Theory group at Georgia Tech\, working on 
 physical-layer security\, and the Network Coding and Reliable Communicatio
 ns group at MIT\, working on security for network coding. In recent years\
 , Dr. Vilela has been coordinator and team member of several national\, bi
 lateral\, and European-funded projects in security and privacy of computer
  and communication systems\, with focus on wireless networks\, mobile devi
 ces and cloud computing. Other research interests include anticipatory net
 works and intelligent transportation systems. 
LOCATION:LT2\, Computer Laboratory\, William Gates Building
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