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DE602019085502T2Active Publication Date: 2026-06-03NTT DOCOMO INC
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- NTT DOCOMO INC
- Filing Date
- 2019-04-26
- Publication Date
- 2026-06-03
AI Technical Summary
Technical Problem
In the NR system, the physical separation of gNB-CU and gNB-DU leads to potential delivery delays, making it challenging to deliver an accurate reference time to user equipment (UE) using RRC signaling.
Method used
The gNB 200 includes a gNB-DU that performs time synchronization based on NR and TSN times, with the gNB-CU transmitting RRC messages through the gNB-DU to UE, eliminating the need for synchronization between the gNB-CU and gNB-DU and ensuring accurate time delivery.
Benefits of technology
This configuration allows for precise reference time delivery to UE, enhancing time synchronization accuracy without requiring synchronization between the gNB-CU and gNB-DU, thus supporting Time-Sensitive Networking (TSN).
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