Performance test bench

doppler orbitography and radiopositioning integrated by satelliteimpactautomatic

To support 3GPP Release-17 Non-Terrestrial Network product developers system architects and network planners, CCww has developed an NB-IoT/NTN Test-Bench which allows system level testing and analysis: Validate Release 17 specifications; evaluate impact of future standards updates Compare and characterise LEO and GEO operation Explore location of eNodeB and elements of the Core Network in space vs on ground Set system-wide performance expectations; identify capacity for mix of use-cases; warn of impending system overload; explore impact of introducing new groups and classes of users ahead of deployment Provide Software IP for NTN SoC design or framework to introduce Licensee's IP with clear specification for required NTN customisation Provide specification for Licensee eNodeB design Framework to validate product development The Test-bench runs in real-time and is fully controllable. Tests can run at any past or future time, giving full regression capability. For convenience and efficiency, test execution can skip over inactive periods (no coverage, PSM, etc.) and optimises LEO transitions. Outline of LEO Operation The LEO satellite, with on-board eNB, continually moves across the earth's surface. UEs on the surface are able to communicate with the satellite when it is briefly overhead, when the signal is strong. When moving towards the UE, there is a positive Doppler, which turns negative when the satellite has passed overhead. The NB NTN Test-bench is a comprehensive system for simulation and validation of NB-IoT NTN LEO and GEO networks. Customised software runs on COTS hardware, delivering a cost-effective solution.