Patent ID: 9503949
Filing Date: 2016-11-22
CPC Classification: H04L,H04W

Claim Text:
1. A mobile communication system in which a mobile station performs communication while moving, the mobile communication system comprising: a mobile station that is provided in a moving object moving along a predetermined route; and a plurality of base stations provided along the route, wherein each of the plurality of base stations performs wireless communication with the mobile station through a same channel of a same frequency band, wherein the mobile station comprises: a base station selection unit that repeatedly selects two base stations, with which the mobile station simultaneously communicates, among the plurality of base stations, sequentially; a first selected base station determination unit that compares base stations selected by the base station selection unit at this time with base stations selected by the base station selection unit at a previous time and determines whether there is a first base station selected at the previous time and not selected at this time; a second selected base station determination unit that compares the base stations selected by the base station selection unit at this time with the base stations selected by the base station selection unit at the previous time and determines whether there is a second base station not selected at the previous time and selected at this time; an inhibition command data transmission unit that transmits data for commanding inhibition of a downlink to the first base station when the first selected base station determination unit determines that the first base station is selected at the previous time and is not selected at this time; and a permission command data transmission unit that transmits data for commanding permission of a downlink to the second base station when the second selected base station determination unit determines that the second base station is not selected at the previous time and is selected at this time.