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Methods for multi-point carrier aggregation configuration and data forwarding

  • US 9,258,809 B2
  • Filed: 03/22/2013
  • Issued: 02/09/2016
  • Est. Priority Date: 03/23/2012
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • establishing a primary connection in a primary cell belonging to a primary base station with a first UE-ID, wherein the primary cell comprises a downlink component carrier (CC) and an uplink CC;

    establishing a second connection in a second cell belonging to a second base station with a second UE-ID, wherein the secondary cell comprises a downlink CC and an optional uplink CC;

    aggregating component carriers based on the first UE-ID and the second UE-ID;

    receiving a configuration that configures the uplink CC of the primary cell as a feedback channel for the downlink CC of the second connection; and

    performing a Radio Link Monitoring (RLM) function on the primary connection and performing cell reselection when a radio link failure of the primary connection occurs.

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