| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a low-cost mobile radio positioning device capable of measuring a position of a mobile terminal with high accuracy. <P>SOLUTION: A plurality of relay stations 202a-202d are arranged at an interval around a reference station 201, the reference station 201 and the plurality of relay stations 202a-202d are connected via transmission cables 101a-101d, and the reference station 201 and a mobile terminal 203 perform two-way communication via the plurality of relay stations 202a-202d, so that the position of the mobile terminal 203 is measured. <P>COPYRIGHT: (C)2012,JPO&INPIT |
