The seamless reorientation of mobile terminal in wireless network

The seamless reorientation of mobile terminal in wireless network

  • CN 108,605,252 A
  • Filed: 02/02/2017
  • Published: 09/28/2018
  • Est. Priority Date: 02/08/2016
  • Status: Active Application
First Claim
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1. a kind of method for executing the seamless reorientation of terminal in wireless environments, including:

  • First service gateway (SGW) is selected in multiple SGW and the first grouped data network gateway is being selected in multiple PGW(PGW), wherein first SGW is connected to the first PGW to establish the first session;

    First communication channel is established between the terminal and the first PGW, and is the terminal distribution Internet protocol(IP) address;

    When the terminal will remove the region serviced by the first SGW, the 2nd SGW is selected in the multiple SGW;

    When the 2nd PGW in the multiple PGW than the first PGW closer to two SGW when, by the 2nd SGW connectThe 2nd PGW is connected to establish new session, and when there is no PGW than the first PGW closer to two SGW,2nd SGW is connected to the first PGW to change first session;

    The second communication channel is established between the terminal and the 2nd PGW, and keeps the institute for being previously allocated to the terminalState IP address;

    The routing of the IP address for being previously allocated to the terminal is reconfigured by the 2nd PGW;

    AndTerminate the first communication channel between the terminal and the first PGW.

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