| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a global positioning system capable of relieving a load of a network, decreasing a processing amount of a server or the like, and accurately estimating a position of a user. <P>SOLUTION: In the global positioning system, a global positioning apparatus 100 for positioning a position of a terminal 200 to be positioned includes: a positioning period management section 103 for determining a period of a positioning signal applied to the terminal 200 to be positioned under a prescribed condition; and a communication section 101 for transmitting the positioning signal to the terminal 200 to be positioned for the period determined by the positioning period management section 103. <P>COPYRIGHT: (C)2007,JPO&INPIT |
