"Satellite-to-cellphone technology continues to progress. The latest news on that front comes from satellite communications developer ST Engineering iDirect and Capgemini, who are developing a 5G non-terrestrial network (NTN) satellite base station. NTNs extend cellular communications using space-based assets - primarily low Earth orbit (LEO) satellites. Consumer satellite-to-cellphone services aimed at providing emergency connectivity in remote areas have been a key focus for companies like AT&T, T-Mobile and Verizon."
"One path is based on 3GPP standards. The other is not. "It is possible to offer NTN connectivity without deploying dedicated native 3GPP architecture," Gaddam explained. "This is achieved through non-3GPP access methods, which allow satellite networks to connect to the 5G core. Non-3GPP access leverages existing satellite communication architectures and waveforms [that enable satellite operators to continue] to use their current satellite-specific infrastructure.""
ST Engineering iDirect and Capgemini are developing a 5G non-terrestrial network (NTN) satellite base station to supplement terrestrial wireless connectivity for enterprise customers. NTNs use space-based assets, primarily low Earth orbit (LEO) satellites, to extend cellular coverage. One base station approach follows 3GPP standards with 5G New Radio connecting directly to the 5G core to enable seamless interoperability with terrestrial 5G, higher-capacity links and improved spectral efficiency. The alternate approach uses non-3GPP access methods that allow satellite networks to connect to the 5G core while leveraging existing satellite-specific architectures and waveforms. The project aims to provide more scalable and reliable enterprise connectivity.
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