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Live Demonstration of 5G Waveform Over a GEO Satellite
Funded by: Société Européenne des Satellites (SES)
Project Objective:
To conduct a live over-the-satellite demonstration of an end-to-end 5G NTN link over a geostationary orbit (GEO) satellite.
Study the implementation overhead of OAI for prospective 5G-NTN applications
My role:
Replicated 5G-GOA setup in the commercial environment.
Developed routines for predicting Timing Advance to address wobbling of GEO satellite in the absence of SIB-19
Worked on improving spectral efficiency by enabling the RLC Acknowledge Mode
Worked on improving spectral efficiency by increasing the number the LDPC decoder iterations
Testbed set-up at UniLu, Over-the-satellite live testing, KPI logging, and analysis
Dissemination
Set-up Diagram for Engage
Click the link to watch the live demo recorded during the satellite tests https://www.youtube.com/watch?v=haMkt5QQ0DE or watch them below
iperf-tcp-udp.mp4iperf test to assess the TCP and UDP bandwidths.
Please note that on the uplink, due to a small dish at the UE, only QPSK was feasible.
ping-and-fast-ping.mp4Ping tests to view the latency. It is around 540 ms during this experiment.
video-stream.mp4Live video streaming in the downlink using UDP.
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