2026-09-19T15:44:15Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/267182022-01-13T07:54:29Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Seth Teller.
Baliga, Roshan Bantwal, 1981-
Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
2005-09-06T19:47:45Z
2005-09-06T19:47:45Z
2004
2004
http://hdl.handle.net/1721.1/26718
59007852
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references (leaves 55-56).
In this thesis, I describe a system that lays the foundation for context-aware applications. This system allows a user to set up a reference coordinate system in a room, using three Cricket listeners attached to a wooden frame. The system then assigns coordinates to Cricket beacons, which are placed on the ceiling. Finally, by using the frame in conjunction with a laser range finder, the user can generate a map of the room in the reference coordinate system, complete with features including doors, walls, and windows. This thesis also describes necessary changes we implemented that made the Cricket positioning system much more accurate.
by Roshan Bantwal Baliga.
M.Eng.
56 leaves
1953447 bytes
1954848 bytes
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Massachusetts Institute of Technology
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http://dspace.mit.edu/handle/1721.1/7582
Electrical Engineering and Computer Science.
Rapid coordinate system creation and mapping using Crickets
Thesis
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