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Handling user plane congestion in a wireless communication network

  • US 9,071,999 B2
  • Filed: 07/31/2012
  • Issued: 06/30/2015
  • Est. Priority Date: 02/06/2012
  • Status: Active Grant
First Claim
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1. A mobility management entity (MME) comprising:

  • communications circuitry configured to communicate with a plurality of serving gateways (SGWs) and a plurality of packet data network gateways (PGWs) of an evolved packet core for a wireless communications network; and

    management circuitry coupled to the communications circuitry and configured to;

    receive, via the communications circuitry, a proactive PGW congestion notification from individual PGWs of the plurality of PGWs indicating a level of congestion for respective PGWs;

    manage access to the PGWs by a user equipment of the wireless communications network based on the received proactive PGW congestion notifications; and

    proactively transmit to the UE a notification to indicate high network congestion based on the levels of congestion of the PGWs.

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