| 摘要 |
<p>The system has a mobile telecommunications device, a position data source of a position determination system for providing position data describing the telecommunications device's position and a central station for position call-up by authorized users. Software and hardware components of the telecommunications device and position data source form the control unit of a control loop whose control parameter is the number of connections from the mobile telecommunications device to the central station for transmitting position data in affixed interval.</p> |
