| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To flexibly and stably perform network communication of a mobile terminal mounted on a vehicle or the like. <P>SOLUTION: When connecting from a mobile terminal mounted on a vehicle such as an automobile to a network such as Internet, the priority is set in the environment of communication media such as wireless LAN, PHS data communication, and the like. Possibility of switching among communication media is judged based on the speed of a vehicle, position of a vehicle in a few seconds, communicable area of a communication medium, communication medium corresponding to a speed, communication state of communication medium, and the like, for selecting an optimum communication medium. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
