Study on Narrow-Band Internet of Things (NB-IoT) / enhanced Machine Type Communication (eMTC) support for Non-Terrestrial Networks (NTN)

Study on Narrow-Band Internet of Things (NB-IoT) / enhanced Machine Type Communication (eMTC) support for Non-Terrestrial Networks (NTN) .

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The aim of this document is to study a set of necessary features/adaptations enabling the operation of the IoT NTN for 3GPP Release 17 with a priority on satellite access.

This contribution belongs to the Third Generation Partnership Project (3GPP) Release 17. The Non-Terrestrial Networks (NTN) for the Internet of Things (IoT) have been specified in the 3GPP Radio Access Network (RAN) Release 17 and, since then, have been optimised in Release 18, and commercial deployment is ongoing. Based on actual deployment or deployment plans, further evolution of NTN IoT is needed in 3GPP Release 19. The topics below are chosen for the 3GPP Release 19 scope:

Support of store & forward based on regenerative payload
Uplink capacity enhancements
Support emergency broadcast messaging