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NTN Waveform Performance Analysis
Funded by: SNS-JU OC3 6G-SANDBOX
Summary on 6G Sandbox webpage: https://6g-sandbox.eu/6g-sandbox-3rd-open-call-winners/
Total funding: 60K EUR
Project Objectives:
Evaluate DVB-RCS2 and 5G-NR performance for video streaming, file transfers, and interactive traffic types.
Identify optimal system configurations for each technology based on traffic profiles, covering MCS, bandwidth, latency, frame structure, MAC, RRM, and retransmissions.
Perform comparative experiments under varying channel conditions including GEO delay and SNR levels.
Log KPIs such as BER/BLER, throughput, latency, jitter, and protocol overheads during experiments.
Analyze and compare overall performance of DVB-RCS2 and 5G-NR across traffic types, configurations, and channel conditions.
My role (PI):
As the Principle Investigator (PI) of the project, I lead the technical vision and hands-on experimentation, reproducible trials, and critical analysis.
Defined the key KPIs, test scenarios, and the overall evaluation plan at Athens 6G-SANDBOX platform
Integrated and validated the end-to-end NTN experimentation stack
Built automation scripts to run controlled experiments and collect logs
Analyzed results and translated findings into reports and publications
Coordinated dissemination and external-facing communication of project outcomes
Related Publications:
Sumit Kumar, Juan Carlos Estrada Jimenez, Ion Turcanu “User-Centric Comparison of 5G NTN and DVB-S2/RCS2 Using OpenAirInterface and OpenSAND.” In IEEE Future Networks World Forum (FNWF) 2025, Bengaluru, India.
Sumit Kumar, "Prototyping 5G-NTN with Open Source Software and COTS Hardware: From Lab Emulations to Live Satellite Testing." In IEEE Future Networks World Forum (FNWF) 2025, Bengaluru, India.
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