METHOD, DEVICE AND COMPUTER PROGRAM

DE602018084991T2Active Publication Date: 2025-08-27NOKIA TECHNOLOGIES OY
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Patent Information

Application Number
DE602018084991
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2018-10-05
Publication Date
2025-08-27
Estimated Expiration
2038-10-05

AI Technical Summary

Technical Problem

Existing 5G communication systems lack effective mechanisms for handling timer expiration during emergency service fallback (ESFB) procedures, which can lead to failure of emergency sessions.

Method used

Implementing specific timer (T3517) expiration handling mechanisms in user equipment (UE) that consider emergency service fallback requirements, allowing the UE to select alternative radio cells connected to the 5G core network or evolved packet core to establish emergency sessions.

Benefits of technology

Prevents failure of emergency sessions by ensuring timely establishment of emergency services even when standard procedures fail, maintaining connectivity during critical communications.

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