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Resolving hanging contexts when roaming in a GPRS network

  • US 20030153309A1
  • Filed: 02/11/2003
  • Published: 08/14/2003
  • Est. Priority Date: 02/11/2002
  • Status: Active Grant
First Claim
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1. A method for preventing the occurrence of a hanging resource in connection with a Serving Radio Network Subsystem (SRNS) Relocation Procedure when a mobile terminal roams from a first Serving General Packet Radio Service (GPRS) Support Node (SGSN) with an associated source Radio Network Controller (RNC) to a second SGSN with an associated target RNC, said method comprising the steps of:

  • if, during said SRNS Relocation Procedure, said first SGSN detects that the connection to the mobile terminal is broken subsequent to transmission of a Relocation Command to said source SGSN, initiating a release of a resource established during the SRNS Relocation Procedure in the second SGSN, the target RNC or any involved Gateway GPRS Support Node (GGSN).

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