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Congestion notification method, related device, and system

  • US 10,303,518 B2
  • Filed: 05/09/2017
  • Issued: 05/28/2019
  • Est. Priority Date: 11/10/2014
  • Status: Active Grant
First Claim
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1. A network side device, comprising:

  • a receiver configured to;

    receive a congestion status of a target network area from a radio access network (RAN) congestion awareness function (RCAF) entity, the target network area being a network area involved in an application service provided by a target application server; and

    receive a first congestion query request from the target application server, the first congestion query request comprising information about a target area, and the first congestion query request requesting to acquire a congestion status of the target area;

    a transmitter coupled to the receiver and configured to;

    send the congestion status of the target network area to the target application server; and

    send a second congestion query request to the RCAF entity, the second congestion query request comprising an identifier of the target network area, and the second congestion query request requesting to acquire the congestion status of the target network area; and

    a processor coupled to the receiver and the transmitter and configured to;

    determine, according to the information about the target area, the identifier of the target network area related to the target area; and

    determine, according to a mapping relationship between the information about a target geographic area and the identifier of the target network area, the identifier of the target network area corresponding to the information about the target geographic area.

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