Tagged: Doppler shift in NTN RACH

Representation of NTN Downlink and Uplink Timing Synchronization

September 29, 2026

3GPP NTN DL/UL Timing Synchronization

5G NR Non-Terrestrial Network (NTN), downlink and uplink timing synchronization between the UE and gNB has introduces several unique challenges...

RACH challenges in 3GPP NTN showing LEO, MEO, GEO satellites and propagation delay effects

August 25, 2026

NTN RACH Procedure Challenges and Impacts – NTN RACH

RACH in Non-Terrestrial Networks (NTN) RACH is a fundamental procedure for initial connectivity, UL synchronization, and scheduling grant b/w UE...