Testing Satellite Communications for 5G Networks

Recent developments in 3GPP have brought the need to test satellites against fading conditions, as 5G NTN (non-terrestrial network) introduces a satellite component to traditional land mobile cellular 5G systems. The 3GPP specification TR 38.811 entitled, “Study on New Radio (NR) to support non-terrestrial networks,” details channel models used for large-scale parameters such as shadowing, outdoor-to-indoor (O2I) loss, clutter loss, path loss, and small-scale parameters specific to satellite applications. Even though these models represent the best understanding of radio propagation, there are a new set of challenges for satellite transceiver performance that must be examined methodically in line with the parameters that matter most for each application.

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