Title:
METHOD FOR ADJUSTING TIMER T WHEN DISASTER ROAMING OCCURS, AND DEVICE SUPPORTING SAME
Document Type and Number:
WIPO Patent Application WO/2022/014986
Kind Code:
A1
Abstract:
Provided are a method for adjusting timer T when disaster roaming occurs, and a device supporting same. When a disaster condition is applied to a home public land mobile network (HPLMN), a user equipment (UE) performs registration with a disaster roaming PLMN. When the registration with the disaster roaming PLMN is performed, a timer for periodically searching for the HPLMN does not operate, and the HPLMN is not searched while the timer does not operate. In addition, the UE re-operates the timer on the basis of the disaster condition no longer being applied to the HPLMN or the UE leaving a disaster area.
Inventors:
PARK SANGMIN (KR)
CHUN SUNGDUCK (KR)
KIM HYUNSOOK (KR)
CHUN SUNGDUCK (KR)
KIM HYUNSOOK (KR)
Application Number:
PCT/KR2021/008885
Publication Date:
January 20, 2022
Filing Date:
July 12, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04W48/16; H04W4/90; H04W8/02; H04W24/04; H04W48/18
Domestic Patent References:
| WO2020141964A1 | 2020-07-09 |
Foreign References:
| KR20100077711A | 2010-07-08 | |||
| US20190268752A1 | 2019-08-29 | |||
| US20190037484A1 | 2019-01-31 |
Other References:
ANONYMOUS: "3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Study on Support for Minimization of Service Interruption (Release 17)", 3GPP STANDARD; TECHNICAL REPORT; 3GPP TR 22.831, vol. SA WG1, no. V17.1.0, 27 December 2019 (2019-12-27), pages 1 - 19, XP051841004
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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