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Bubble-Sensing: A New Paradigm for Binding a Sensing Task to the Physical World using Mobile Phones. Hong Lu , Nicholas D. Lane, Shane B. Eisenman, Andrew T. Campbell Dartmouth College. Bubble-Sensing hong@cs.dartmouth.edu. Bubble Sensing. Idea
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Bubble-Sensing: A New Paradigm for Binding a Sensing Taskto the Physical World using Mobile Phones Hong Lu , Nicholas D. Lane, Shane B. Eisenman, Andrew T. Campbell Dartmouth College
Bubble-Sensinghong@cs.dartmouth.edu Bubble Sensing • Idea • Opportunistically leverage cell phone density within the area to maintain coverage • Sensing Bubble • (action, region, duration) Virtual roles • Bubble creator • Bubble anchor • Bubble carrier • Sensing node Take a photo here !!
Bubble Creation Phase Bubble Server Bubble Anchor Bubble Creator Mobile Sensor Mobile Sensor Bubble-Sensinghong@cs.dartmouth.edu
Bubble Maintenance Phase Bubble Server Bubble-Sensinghong@cs.dartmouth.edu Bubble Anchor Bubble Anchor Mobile Sensor Mobile Sensor
Bubble Server Bubble Anchor Mobile Sensor Bubble-Sensinghong@cs.dartmouth.edu Bubble Restoration Phase
Bubble Server Bubble carrier Bubble Anchor Mobile Sensor Mobile Sensor Bubble-Sensinghong@cs.dartmouth.edu Bubble Restoration Phase
Bubble-Sensinghong@cs.dartmouth.edu Test bed Implementation • Device • Nokia N95, • Nokia N80 + BlueCel dongle • Pys60 • WiFi based communication • Ad-Hoc mode • infrastructure mode • 4mw • Beacon based WiFi localization • The sensing task: • Take sound clips
Sensing Coverage over Time Bubble-Sensinghong@cs.dartmouth.edu
Fidelity Bubble-Sensinghong@cs.dartmouth.edu
Related Work Mobile phone as a sensing device UCLA, UIUC, MIT, Ohio State Nokia, Motorola, Intel, Microsoft Exploit location information Routing, Geocast geographic storage, DCS, GHT Theoretical work Virtual static node Bubble-Sensinghong@cs.dartmouth.edu
Thanks for Listening Bubble-Sensinghong@cs.dartmouth.edu