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Radio resource control (RRC) protocol for cell selection and traffic steering for integrated WLAN/3GPP radio access technologies

  • US 9,706,469 B2
  • Filed: 12/26/2014
  • Issued: 07/11/2017
  • Est. Priority Date: 06/03/2014
  • Status: Expired due to Fees
First Claim
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1. User Equipment (UE) comprising:

  • a first component to connect to a Wireless Wide Area Network (WWAN) using licensed frequency spectrum;

    a second component to connect to a Wireless Local Area Network (WLAN) using unlicensed frequency spectrum; and

    processing circuitry to;

    receive, from the WWAN, assistance information including policies that relate to selection of secondary communication cells that are formed over the WLAN, the assistance information including;

    a prioritized list of WLAN access points to which the UE should connect, andminimum signal quality thresholds associated with the WLAN access points;

    select a particular secondary communication cell based on the assistance information and based on information specific to the UE;

    transmit an indication of the selected particular secondary communication cell, the indication being transmitted via radio resource control (RRC) layer signaling, to an evolved NodeB (eNB) associated with the WWAN;

    receive acknowledgement, from the eNB, of the selected particular secondary communication cell; and

    route traffic over the secondary communication cell based on the reception of the acknowledgement.

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