Multiple timing advances in asymmetric downlink multiple uplink transmit receive point deployment scenarios
By determining and selecting timing advances for multiple TRPs, the UE optimizes uplink transmissions in asymmetric TRP scenarios, enhancing synchronization and efficiency in 5G-NR networks.
WO2026147541A2PCT designated stage Publication Date: 2026-07-09APPLE INC
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- APPLE INC
- Filing Date
- 2025-04-30
- Publication Date
- 2026-07-09
AI Technical Summary
Technical Problem
Existing wireless communication systems face challenges in managing multiple timing advances in asymmetric multiple transmit receive point (TRP) deployment scenarios, particularly in 5G-NR networks, which affect synchronization and efficiency in uplink transmissions.
Method used
A user equipment (UE) determines separate timing advances for multiple TRPs and selects one for uplink transmission based on these advances, enabling synchronized communication in asymmetric TRP scenarios.
Benefits of technology
This approach enhances synchronization and efficiency in uplink transmissions by optimizing timing advances for multiple TRPs, improving communication performance in complex network environments.
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Smart Images
Figure US2025027196_09072026_PF_FP_ABST
Abstract
An apparatus of a user equipment (UE) configured to perform an uplink (UL) transmission in an asymmetric multiple transmit receive point (TRP) deployment scenario. The user equipment may determine and maintain timing advances (TA) tor respective transmit receive points in a heterogeneous network The heterogeneous network may include macro node supporting downlink (DL) and UL communications and micro and pico nodes with DL communications disabled.
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