Patent ID: 9603060
Date: 2017-03-21
CPC Classifications: H04B,H04W

Claim:
1. A mobile communication system comprising: a movable user equipment device; a plurality of base station devices configured to perform radio communication with said user equipment device; a mobility management entity that controls said plurality of base station devices; and a relay device movably configured to relay radio communications between said user equipment device and said base station devices, wherein in a handover process of switching a base station device to be connected with said relay device, while said relay device is in a state allowing communication with the movable user equipment device, from a base station device being a moving source to a base station device being a moving destination along with moving of said relay device, said base station device being the moving destination notifies said mobility management entity of an initial message from the movable user equipment device to which an IP address is not mapped in a case where the own base station device does not have a function supporting said relay device, said base station device being the moving destination receives an instruction to reject the connection request from said mobility management entity, and said base station device being the moving destination notifies the relay device that the connection request is rejected after receiving the instruction to reject the connection request from said mobility management entity.