Title:
A METHOD AND SYSTEM FOR ACQUIRING THAT SGSN HAVE STARTED SINGLE TUNNEL BY GGSN IN A PACKET DOMAIN
Document Type and Number:
WIPO Patent Application WO/2008/022518
Kind Code:
A1
Abstract:
A method for acquiring that SGSN (30) has started a single tunnel by GGSN (40) in a
packet domain, including: a mark setting step, in a tunnel setup process, if SGSN
(30) has started the single tunnel scheme, setting a single tunnel mark in a renewed
PDP context request message send to GGSN (40) to indicate whether SGSN (30) has
started the single tunnel; a mark judgment step, if GGSN (40) judges that the received
renewed PDP context request message has the single tunnel mark, then decides
that SGSN (30) has already started the single tunnel, acquires an address information
and a user plane tunnel information of RNC (20) in the renewed PDP context request
message. A system for acquiring that SGSN (30) has started a single tunnel by GGSN
(40) in a packet domain is provided. A mark setting module is added in SGSN (30),
and a mark judgment module is set in GGSN (40).
Inventors:
ZHU JINGUO (CN)
CAI JIANNAN (CN)
LIU XILIANG (CN)
CAI JIANNAN (CN)
LIU XILIANG (CN)
Application Number:
PCT/CN2007/001582
Publication Date:
February 28, 2008
Filing Date:
May 16, 2007
Export Citation:
Assignee:
ZTE CORP (CN)
ZHU JINGUO (CN)
CAI JIANNAN (CN)
LIU XILIANG (CN)
ZHU JINGUO (CN)
CAI JIANNAN (CN)
LIU XILIANG (CN)
International Classes:
H04W76/02
Foreign References:
| CN1429465A | 2003-07-09 | |||
| CN1434612A | 2003-08-06 | |||
| EP2037633A1 | 2009-03-18 |
Other References:
See also references of EP 2061264A4
3GPP-STANDARDS
3GPP-STANDARDS
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (8 Xueqing Rd Haidian District, Beijing 5, CN)
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