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Isao NAKJIMA,Hiroshi JUZOJI,Sadaki INOKUCHI 한국멀티미디어학회 2011 한국멀티미디어학회 국제학술대회 Vol.2011 No.-
We calculate the number of channels necessary for satellite communications to support the early-stage telemedicine after major disasters. Medical data acquired from the Great Hanshin-Awaji Earthquake (Kobe Earthquake) is used for the calculations of Erlang B formula The minimum 29 channel shall be necessary to cover nationwide after major disaster.
Using 3D maps as mobile communication profiles and for ambulatory applications
Hiroshi JUZOJI,Isao NAKAJIMA,Sadaki INOKUCHI 한국멀티미디어학회 2011 한국멀티미디어학회 국제학술대회 Vol.2011 No.-
A communication profile is a system that acquires information from communications links to an ambulance or other vehicle moving on a road and compiles a database based on this information. This system then predicts the communication links that will be available at a given location. For line-of-sight communication, optical analysis allows approximation if the frequency is sufficiently high. For non-line-of-sight communication, previously obtained electric power data can be used as reference information for approximations in certain cases when combined with predicted values calculated based on a 3D map. 3D maps are more effective than 2D maps for landing emergency medical helicopters on public roadways in the event of a disaster. Using advanced imaging technologies, we have produced a prototype of a high-precision 3D map of Yokohama Yamashita Park and vicinity and assessed its effectiveness. This paper discusses this prototype 3D map and its applications.