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Mobile communication system

  • US 10,383,079 B2
  • Filed: 09/05/2017
  • Issued: 08/13/2019
  • Est. Priority Date: 08/09/2011
  • Status: Active Grant
First Claim
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1. A mobile communication system comprising:

  • a plurality of base station devices to be connected to a core network;

    a user equipment device configured to perform radio communications with said plurality of base station devices; and

    a mobile relay device movably configured to relay said radio communications between said plurality of base station devices and said user equipment device, whereinsaid core network includes a mobility management entity that manages said plurality of base station devices, said user equipment device, and said mobile relay device per predetermined tracking area,a mobile relay device tracking area of said mobile relay device is not changed as a result of moving of said mobile relay device,said mobility management entity includes;

    a first mobility management entity that manages a mobility of said user equipment device being served by said plurality of base station devices per said predetermined tracking area; and

    a second mobility management entity that manages only said mobile relay device tracking area among a plurality of tracking areas and manages a mobility of said user equipment device being served by said mobile relay device without managing the mobility of any user equipment being served by any of said plurality of base station devices.

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