Title:
METHOD AND APPARATUS FOR DATA TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2019/178840
Kind Code:
A1
Abstract:
Method and apparatus for data transmission are disclosed. A method comprises receiving, at a first interworking function (IWF), a first message from a first network device, wherein a destination of the first message is a user equipment (UE); detecting that a second network device serving the UE is no longer in service; sending a paging request message for the UE to an alternative second network device; receiving, from a subscriber information storage, a request for canceling the UE's location; and sending, to the first network device, a second message including an indicator indicating that the UE is detached from the first IWF or the first IWF does not serve the UE.
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Inventors:
GUO XIANGFENG (CN)
WAN XIANGBIN (CN)
GAO MENG (CN)
DONG QIWEN (CN)
WANG XIN (CN)
WAN XIANGBIN (CN)
GAO MENG (CN)
DONG QIWEN (CN)
WANG XIN (CN)
Application Number:
PCT/CN2018/080206
Publication Date:
September 26, 2019
Filing Date:
March 23, 2018
Export Citation:
Assignee:
NOKIA SOLUTIONS & NETWORKS OY (FI)
NOKIA TECH BEIJING CO LTD (CN)
NOKIA TECH BEIJING CO LTD (CN)
International Classes:
H04W40/04
Domestic Patent References:
| WO2006131070A1 | 2006-12-14 |
Foreign References:
| CN105338615A | 2016-02-17 | |||
| CN101500292A | 2009-08-05 |
Other References:
CATT: "Reachability information for MTC Device", SA WG2 MEETING #87, 14 October 2011 (2011-10-14)
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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