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SUMMARY:Cooperative wireless networks: From radio to network protocol desi
 gns - Zhengguo Sheng (Imperial College London)
DTSTART:20090529T133000Z
DTEND:20090529T143000Z
UID:TALK18584@talks.cam.ac.uk
CONTACT:Ioannis Chatzigeorgiou
DESCRIPTION:In this talk\, we will report part of our work on the Internat
 ional Technology Alliance (ITA) project\, which is funded by the U.S. Army
  and U.K. MoD. Our goal is to study new physical-layer techniques and the 
 associated upper-layer protocol designs in the wireless networks. Specific
 ally\, among many potential techniques\, we consider cooperative transmiss
 ion\, which has been shown to be effective in combating multi-path fading 
 and enhancing receiver reliability. To be specific\, we will present our u
 p-to-date work on network routing protocol for wireless cooperative networ
 ks as well as performance evaluations of reliability\, energy and throughp
 ut of cooperative transmission. Our results show that cooperative wireless
  networks are capable of combating radio unreliability and meeting stringe
 nt application requirements of high-speed and high-quality services with h
 igh energy efficiency. In addition\, we will address key issues of coopera
 tive networks from the theoretical aspects of information theory and cross
 -layer optimization\, which offer a better understanding of the fundamenta
 l limits of cooperative networks.
LOCATION:Computer Laboratory\, Room FW26
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