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Title:
IMPROVED TRACKING AREA UPDATE PROCEDURE FOR INTERSYSTEM CHANGE IN MOBILE COMMUNICATIONS
Document Type and Number:
WIPO Patent Application WO/2019/161790
Kind Code:
A1
Abstract:
Various examples pertaining to an improved TAU procedure for intersystem change in mobile communications are described. A user equipment (UE) establishes a wireless communication connection with a first wireless network of a first type of wireless communication system. The UE then performs an intersystem change from being connecting to the first wireless network to being connected to a second wireless network of a second type of wireless communication system different from the first type. In performing the intersystem change, the UE constructs a tracking area update (TAU) request message and transmits the TAU request message to the second wireless network. The TAU request message identifies the UE.

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Inventors:
NIEMI MARKO (FI)
ESKELINEN JARKKO (FI)
MOISANEN MATTI (FI)
SITOMANIEMI JAAKKO (FI)
Application Number:
PCT/CN2019/075925
Publication Date:
August 29, 2019
Filing Date:
February 22, 2019
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Assignee:
MEDIATEK SINGAPORE PTE LTD (SG)
MEDIATEK INC (CN)
International Classes:
H04W36/00
Domestic Patent References:
WO2015160329A12015-10-22
Foreign References:
US20170374704A12017-12-28
CN107277795A2017-10-20
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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