| 摘要 |
<P>PROBLEM TO BE SOLVED: To smoothly switch radio frequencies for transmitting/receiving train control information between radio mobile stations mounted on a train and a plurality of radio base stations disposed along a railway, along which the train moves, in a train control system. <P>SOLUTION: In a train control system for performing radio communication among a plurality of mobile stations moving along a predetermined path and a plurality of base stations disposed along the predetermined path, different communication frequencies are assigned to the respective base stations, the mobile stations search for the communication frequencies of the plurality of the base stations disposed along the predetermined path, and the particular radio frequencies searched are used to transmit and receive control information between the base stations corresponding to the particular radio frequencies and the mobile stations. <P>COPYRIGHT: (C)2012,JPO&INPIT |
