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Method for determining target, network element, and system for determining target

  • US 10,555,161 B2
  • Filed: 10/19/2018
  • Issued: 02/04/2020
  • Est. Priority Date: 09/27/2012
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving, by an access network element from a mobility management network element, access control information of a user equipment (UE), wherein the access control information comprises;

    a list of public land mobile networks (PLMNs); and

    information indicating a radio access type (RAT) allowed or not allowed for the UE to access in a PLMN in the list of PLMNs; and

    determining, by the access network element, a target RAT for the UE and a target PLMN for the UE according to the access control information, wherein the target RAT is allowed for the UE to access in the target PLMN, wherein determining the target RAT and the target PLMN comprises determining, by the access network element, the target RAT and the target PLMN to avoid migration of the UE to an RAT not allowed for the UE to access in a PLMN in the list of PLMNs.

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