Method and system for controlling access to shared network

  • US 9,706,475 B2
  • Filed: 02/18/2016
  • Issued: 07/11/2017
  • Est. Priority Date: 02/14/2011
  • Status: Active Grant
First Claim
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1. A core network node for controlling access to a network, the core network node being shared by terminals accessing via multiple Public Land Mobile Networks (PLMNs), with multiple load thresholds of the core network node being preset corresponding respectively to the multiple PLMNs, the core network node being configured to, when an overload of the core network occurs, determine a PLMN of the multiple PLMNs that causes the overload of the core network node by determining that a load from the PLMN exceeds a load threshold of the core network node corresponding to the PLMN, and send an access network node an overload indicator indicating the PLMN, so that the access network node can learn the PLMN over which access control needs to be performed according to the overload indicator and control access by a terminal via the PLMN over which access control needs to be performed.

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