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COMMUNICATION SYSTEM

  • US 20160380779A1
  • Filed: 01/23/2015
  • Published: 12/29/2016
  • Est. Priority Date: 01/31/2014
  • Status: Active Grant
First Claim
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1. A secondary base station device configured to provide user plane connectivity to a user device whilst control plane connectivity is provided to the user device by a master base station device, the secondary base station device comprising:

  • a transceiver circuit configured to communicate with the master base station device; and

    a processor configured to initiate a counter check procedure for a radio bearer associated with the user device and terminated in the secondary base station by generating control data for transmission to the user device and by transmitting the control data to the master base station device, the control data comprising at least one count value indicating an amount of data transmitted to or received from the user device on the radio bearer for use in checking for packet insertion by another device.

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