Adapting mobility under discontinuous coverage

By configuring the mechanism of coverage gap detection and pause action in the wireless transmission/reception unit of the mobile communication device, the problem of signal loss and power consumption increase under discontinuous coverage is solved, and more efficient mobility adaptation and network synchronization are achieved.

CN119729542APending Publication Date: 2025-03-28INTERDIGITAL PATENT HOLDINGS INC
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Patent Information

Application Number
CN202411639573.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-07-22
Filing Date
2022-10-19
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In the case of discontinuous coverage, it is difficult for mobile communication devices to adapt to the coverage gap, resulting in signal loss, increased power consumption and complex connection reconstruction processes.

Method used

By configuring a coverage gap detection mechanism based on auxiliary information in a wireless transmission/reception unit (WTRU), the start and duration of the coverage gap are determined and the coverage gap report is transmitted. At the same time, receive a pause indication message, perform pause actions, such as pause uplink or downlink transmission, pause of timer or counter, and resume normal operation when the recovery conditions are met.

Benefits of technology

Optimized mobility adaptation during coverage gaps is achieved, reducing unnecessary signal monitoring and connection reconstruction, reducing power consumption, and improving network synchronization.

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Abstract

Systems, methods, and tools are described herein for adapting mobility under discontinuous coverage (e.g., associated with gaps in coverage). In an example, a WTRU may determine a start and duration of discontinuous coverage. Discontinuous coverage may be SI explicitly indicated (e.g., starting UTC 10: 00 + 90 s). The determination of the start and duration of discontinuous coverage may be implicitly determined via auxiliary information broadcast at the SI cell stop time and the neighboring cell start time. The start and duration of discontinuous coverage may be calculated via location information (e.g., a distance between the WTRU and a serving / neighboring cell center and a diameter of cell coverage). The WTRU may report that it is to enter the coverage gap with a certain configured offset (e.g., via a timer) from the time of the coverage gap.
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