US 12,255,730 B2
Method of testing user equipment for non-terrestrial networks and test system
Sandra Merkel, Munich (DE); Daniela Raddino, Munich (DE); Rabih El-Masri, Munich (DE); Reiner Stuhlfauth, Munich (DE); and Lucas Chavarria-Gimenez, Munich (DE)
Assigned to Rohde & Schwarz GmbH & Co. KG, Munich (DE)
Filed by Rohde & Schwarz GmbH & Co. KG, Munich (DE)
Filed on Dec. 23, 2021, as Appl. No. 17/560,437.
Prior Publication US 2023/0204790 A1, Jun. 29, 2023
Int. Cl. H04B 7/185 (2006.01)
CPC H04B 7/18519 (2013.01) 20 Claims
OG exemplary drawing
 
1. A method of testing user equipment for non-terrestrial networks, the method comprising the steps of:
providing GNSS data and ephemeris data by a test system, wherein the GNSS data is associated with a position of a user equipment (UE) device of a non-terrestrial network, and wherein the ephemeris data is associated with a position of a satellite node of the non-terrestrial network;
transmitting the GNSS data and the ephemeris data to the UE device;
determining at least one of a timing advance or a Doppler pre-compensation shift by the UE device based on the GNSS data and the ephemeris data;
generating an uplink signal by the UE device based on at least one of the determined timing advance or the determined Doppler pre-compensation shift; and
analyzing the uplink signal by the test system in order to assess a performance of the UE device.