| 摘要 |
PROBLEM TO BE SOLVED: To provide a private wireless system capable of performing prompt and accurate positioning without connecting to a public line such as Internet. ! SOLUTION: A private wireless system includes a plurality of radio base stations each including a peculiar system ID and a plurality of radio terminals connectable to at least one of the plurality of radio base stations. The private wireless system includes: a GPS reference terminal 10 that is at least one of the plurality of radio base stations, acquires GPS assist data from a GPS satellite and transmits the GPS assist data to an assist server 41 connected to the private wireless system by dedicating a predetermined radio base station 2 while using a system ID different from the system ID used by the other radio terminals; a GPS receiving terminal 11 that is any other radio terminal than the GPS reference terminal and capable of receiving a GPS signal from the GPS satellite; and the assist server 41 that distributes the GPS assist data rec |
