How to Validate NTN Base Stations

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Radio Channel Emulator
+ Radio Channel Emulator
Radio Channel Emulator
+ Radio Channel Emulator

Validate NTN base station performance in a lab environment

Testing non-terrestrial network (NTN) base stations is essential as NTNs play a crucial role in extending 5G network access ability to satellites. In a lab environment, use a radio channel emulator to simulate satellite communications and channel conditions, such as dynamic propagation, path loss, Doppler effects, and other noises and interference between ground gateways. To simulate a complete wireless communication cycle, engineers must also simulate hundreds or even thousands of user equipment (UE).

Engineers need to employ a robust and scalable software solution to assess the transmissions at the protocol and physical layers to properly manage and monitor the communication between a simulated satellite gNodeB and user equipment in large numbers. This approach enables engineers to troubleshoot wireless connections by verifying base station behavior, evaluating the performance, and identifying throughput delays.

NTN base station validation solution

Validating NTN gNodeBs requires a realistic lab-based emulation of end-user devices and satellite channels. The Keysight NTN base station validation solution delivers reliable service under the unique conditions of satellite communication, such as high Doppler effects and time delays. The integrated test system comprises components like the Keysight UeSIM UE emulator for user equipment emulation, the Keysight PROPSIM channel emulator for multi-channel satellite link emulation, and the Keysight WaveJudge wireless analyzer for in-depth signal analysis. This solution facilitates thorough design verification through a detailed emulation of real-world scenarios, thereby ensuring that the NTN gNodeBs are field-ready and capable of supporting the advanced requirements.
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