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SUMMARY:Wireless Networks: Overcoming the Challenges\, Leveraging the Oppo
 rtunities - Kyle Jamieson (UCL)
DTSTART:20090226T160000Z
DTEND:20090226T170000Z
UID:TALK16595@talks.cam.ac.uk
CONTACT:Eiko Yoneki
DESCRIPTION:Today's wireless networks enable and enhance an assortment of\
 napplications such as video on demand\, file backup\, and voice\ntelephony
 .  Yet when wireless is stretched past its limits\, users\nexperience garb
 led pictures\, unavailable file servers\, and voice\nglitches.  Why does t
 his happen?  There are two primary reasons: the\nhighly dynamic nature of 
 the wireless channel\, and the fundamentally\nshared nature of the RF medi
 um.  Using an expanded interface to the\nphysical layer (PHY) called the S
 oftPHY interface\, I will describe how\nthe PHY can pass information up to
  higher layers.  This allows bit\nrate adaptation to better address the fi
 rst challenge\, and medium\naccess control to better address the second.\n
 \nHaving shown two ways of mitigating these wireless challenges\, I will\n
 then present ongoing software radio-based work which seeks to\nleverage a 
 desirable feature: the diversity of paths over which a\nwireless signal tr
 avels.\n\nJoint work with Hari Balakrishnan and Mythili Vutukuru.\n\nBio: 
 Kyle Jamieson is Lecturer of Networks at University College London.\nHe re
 ceived the Ph.D. in June\, 2008 from the Massachusetts Institute\nof Techn
 ology in Cambridge\, Massachusetts.  His research interests are\nin design
 ing real-world wireless systems that cut across the boundary\nof digital c
 ommunications and networking.\n
LOCATION:SS03\, Computer Laboratory\, William Gates Builiding
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