Title:
A METHOD AND AN APPARATUS FOR NON-ACCESS STRATUM MESSAGE PROCESSING DURING HANDOVER IN EVOLVED NETWORK
Document Type and Number:
WIPO Patent Application WO/2009/021457
Kind Code:
A1
Abstract:
A method and an apparatus for Non-Access Stratum (NAS) message processing during
handover in Evolved Packet Core (EPC) are disclosed, the said method comprises
the following steps. EPC receives message of UE being during handover sent by
Source evolved NodeB (S-eNB), stops sending NAS message to UE temporarily, EPC
receives message of UE returning to S-eNB service area sent by S-eNB, if needed,
EPC sends NAS message to UE through S-eNB. With the method and apparatus, EPC can
acquire location of UE in time in case of UE handover failure, and retransmission
timer can set time limit precisely, and embodiment for NAS message forwarding
through X2 interface is provided.
Inventors:
ZHANG HONGZHUO (CN)
QIU YONG (CN)
HUANG YING (CN)
WANG QIANG (CN)
QIU YONG (CN)
HUANG YING (CN)
WANG QIANG (CN)
Application Number:
PCT/CN2008/071970
Publication Date:
February 19, 2009
Filing Date:
August 13, 2008
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
ZHANG HONGZHUO (CN)
QIU YONG (CN)
HUANG YING (CN)
WANG QIANG (CN)
ZHANG HONGZHUO (CN)
QIU YONG (CN)
HUANG YING (CN)
WANG QIANG (CN)
International Classes:
H04Q7/22
Foreign References:
| CN1992971A | 2007-07-04 | |||
| CN1568049A | 2005-01-19 | |||
| CN1801776A | 2006-07-12 |
Other References:
"3GPP Technical Specification Group Radio Access Network", 3GPP TS 36.300 V8.1.0: EVOLVED UNIVERSAL TERRESTRIAL RADIO ACCESS(E-UTRA) AND EVOLVED UNIVERSAL TERRESTRIAL RADIO ACCESS NETWORK(E-UTRAN) OVERALL DESCRIPTION, June 2007 (2007-06-01), XP014038500
See also references of EP 2184949A4
See also references of EP 2184949A4
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (Fortune BuildingNo.17 Daliushu Road,Haidian District, Beijing 1, CN)
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