User equipment

JP2025011832A5Pending Publication Date: 2026-07-17SHARP KK
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
SHARP KK
Filing Date
2023-07-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In 5G systems, the overload problem when the UE returns to the network has not been effectively solved during unavailability periods caused by discontinuous coverage of NR satellite access, and there is a lack of clear time offset control information and processing mechanism.

Method used

The UE has built-in first and second timers, which are used to handle the unavailability period and continuous coverage loss period of NR satellite access, respectively, and perform timer management to achieve appropriate overload control by receiving the maximum waiting time and type information from the network.

Benefits of technology

An effective time offset control mechanism is provided during the discontinuous coverage of NR satellite access, ensuring information transmission and processing between the UE and the network, and reducing the risk of network overload.

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Abstract

To solve a problem in which standardization of communications for UE connection to 5G core networks via New Radio (NR) satellite access that provides discontinuous coverage is underway, however, due to the discontinuous coverage of NR satellite access, the information required for control using time offsets to avoid overload caused by a large number of UE returning to the range of NR satellite access after a period of disabling NR satellite access coverage, when the UE is out of range, as well as the behavior and processing of the UE and each device involved in the transmission and reception of the information and overload control, have not been clarified.SOLUTION: The present invention provides means for transmitting and receiving information between UE and a network for appropriately executing a timer based on a time offset of overload control after an unavailable period in which the UE is out of range due to discontinuous coverage of NR satellite access, and a method for performing appropriate processing based on the information.SELECTED DRAWING: Figure 6
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