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SUMMARY:Exploting Angle-of-Arrival Information for Highly Accurate and Res
 ponsive Indoor Localization
DTSTART:20120620T160000
DTEND:20120620T170000
DTSTAMP:20260407T210832Z
UID:886ae6e8262146c892d13d258bedbc8b8f1861bd1e1894da9186d300
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Kyle Jamieson\, University College London\, UK\nAbstract
 :\nLocation systems are key to a rich experience for mobile users. When th
 ey roam outdoors\, mobiles can usually count on a clear GPS signal for an 
 accurate location\, but indoors\, GPS usually fades\, and so up until rece
 ntly\, mobiles have had to rely mainly on rather coarse-grained signal str
 ength readings for location. What has changed\nthis status quo is the rece
 nt trend of dramatically increasing numbers of antennas at the indoor AP\,
  mainly to bolster capacity and coverage with multiple-input\, multiple-ou
 tput (MIMO) techniques. In the near future\, the number of antennas at the
  access point will increase to meet increasing demands for wireless capaci
 ty with MIMO links\, spatial division multiplexing\, and interference mana
 gement.  We thus observe an opportunity to revisit the important problem 
 of localization with a fresh perspective.  I will talk about the design a
 nd experimental evaluation of ArrayTrack\, an indoor location system that 
 uses Angle-of-Arrival information at access points to track wireless clien
 ts in real time as they roam about a building. We have prototyped ArrayTra
 ck on the WARP platform\, emulating the capabilities of an inexpensive 802
 .11 wireless access point. Our results show that ArrayTrack can pinpoint 3
 3 clients spread out over an indoor office environment to within a median 
 36 cm location accuracy.\nJoint work with Jie Xiong.\n\nBio:\nKyle Jamieso
 n is a Lecturer in the Networks research group at University College Londo
 n. His research interests are in building real-world wireless systems tha
 t cut across the boundary of digital communications and networking. He rec
 eived the PhD in June 2008 from the Massachusetts Institute of Technology 
 (Cambridge\, Massachusetts) and is PI on a European Research Council "Idea
 s" Programe Research Fellowship.
LOCATION:BC 01 https://plan.epfl.ch/?room==BC%2001
STATUS:CONFIRMED
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