Patent · US Active

Method and arrangement relating to communications network services request activation

US8144650B2 · kind B2 · utility

1Cited by

4References

6Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Lasse Olsson · Stenungsund, SE
Jan Backman · Kärna, SE
Peter Jason · Ytterby, SE
Per Svedberg

Key dates

Filing date	Dec 22, 2006
Grant date	Mar 27, 2012
Priority date	—
Expiry date	Sep 29, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH04W80/04
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method of services request in a packet switched telecommunications network comprising a Gateway GPRS Support Node (GGSN) arranged for communication with a Serving GPRS Support Node (SGSN). During activation of a subscriber session, receiving by the GGSN, from the SGSN in an Update PDP Context Request message, data comprising both 1) an Internet Protocol (IP) address and user plane tunnelling endpoint identifier (TEID) for a Radio Network Controller (RNC) and 2) an IP address and user plane TEID of the SGSN; the GGSN nominally utilizes the IP address and TEID of the RNC for the subscriber session. If an error indication is received by the GGSN indicating that the RNC has restarted, it discards the IP address and TEID corresponding to the RNC and utilizes the IP address and TEID corresponding to the SGSN, whereby the GGSN and SGSN can maintain the subscriber session in the event of an RNC restart.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.