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Non-terrestrial networks' (NTN) unmodified propriety requires enabling the connection of existing LTE and 5G devices to satellites without any modification or software updates in the user equipment (UE). Given that the UE is unmodified, the network is responsible for compensating for the effects of the orbit at the center of the cell. Finding the point where the UE's performance becomes compromised requires emulating these scenarios in the lab. Engineers need a solution to create the NTN unmodified, model these impairments, and enable key performance indicator (KPI) measurements.
Ensuring unmodified cellular UE functionality requires modifying the network to compensate for the satellite-related delays and distortions. To test UE without the support of NTN capabilities, engineers need a wireless test platform to enable the modified LTE base station emulation and compensate for the effects of delay and Doppler. A channel emulator is necessary to emulate the propagation conditions, including the low Earth orbit (LEO) satellites' rapidly changing Doppler and delay characteristics. The solution should enable channel characteristics modeling of the NTN unmodified technology and explore the performance limits under different conditions.
How to Test a NTN Unmodified Device
Test 5G New Radio, LTE, and Wi-Fi® with an all-in-one compact unit
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How to Test a NTN Unmodified Device
Keysight's F8820A PROPSIM FS16 RF Channel Emulator enables you to perform in-lab benchmarking of devices, base stations, digital radios, and sensor systems across the entire product workflow – from research and development to acceptance and field performance optimization
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Additional resources for testing a NTN unmodified device
NTN test requires laboratory reconstruction of all possible NTN scenario permutations. Learn how to perform end-to-end testing and validation of NTN deployments.
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Emulating massive MIMO requires complex verification of full-stack operations and proper handling of network traffic. Learn how to replicate real-world scenarios and test your system end-to-end using beamformed user equipment emulation.
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Ensuring unmodified cellular UE functionality requires modifying the network to compensate for the satellite-related delays and distortions. Learn how to test NTN unmodified devices in the lab under different conditions.
Learn more
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