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SUMMARY:Opportunistic Mobile Sensor Data Collection with SCAR - Cecilia Ma
 scolo\, UCL
DTSTART:20070517T153000Z
DTEND:20070517T163000Z
UID:TALK7378@talks.cam.ac.uk
CONTACT:Wenjun Hu
DESCRIPTION:Sensors are now embedded in all sorts of devices (such as phon
 es and PDAs) and attached to many moving things such as robots\, vehicles 
 and animals. The collection of data from these mobile sensors presents cha
 llenges related to the variability of the topology of the sensor network a
 nd the need to limit communication (for energy or bandwidth saving). Fortu
 nately\, the data collected\, despite considerable\, is often delay tolera
 nt and its delivery to the sinks is\, in most cases\, not time critical. \
 n\nWe have devised SCAR\, a context aware opportunistic routing protocol w
 hich allows efficient routing of sensor data to sinks\, through selection 
 of best paths by prediction over movement patterns and current battery lev
 el of nodes. SCAR has been implemented in Contiki and validated through th
 e use of the COOJA simulator with mobility traces provided by the ZebraNet
  Project.
LOCATION:Lecture Theatre 2\, Computer Laboratory\, William Gates Builiding
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