http://cartel.csail.mit.edu/ 2012-05-09T16:13:19-04:00 http://cartel.csail.mit.edu/ http://cartel.csail.mit.edu/lib/images/favicon.ico text/html 2012-05-08T15:50:07-04:00 lenin http://cartel.csail.mit.edu/doku.php?id=cita&rev=1336506607&do=diff Code In The Air The figure above shows the high level architecture of CITA. It has three main components. Programming Framework: One of the main visions of CITA is to lower the barrier for programming tasking applications. CITA providers a programming framework that targets both non-developers and developers. text/html 2012-04-25T15:22:29-04:00 yuhan http://cartel.csail.mit.edu/doku.php?id=activity_recognition&rev=1335381749&do=diff Speed estimation by using only **GSM** Distance Matrix(A,B) = 3 * |A and B| + (32 - D/|A or B|) D is the Euclidean Distance between two sets (based on its signal strength). where A,B are two GSM fingerprints (a fingerprint is a set of multiple cell tower ids and the corresponding signal strengths) The larger the distance, the more similar of the two scans.