CONTENTS

Recommendation ITU-R M.2177-0
INTELLECTUAL PROPERTY RIGHTS
Annex 1  Specification of the 3GPP 5G-NTN radio interface technology − SRIT
 1     Overview of the satellite radio interface technology
        1.1     Overview of the component RIT: NR-NTN
                  1.1.1     Overall architecture and general aspects
                  1.1.2     Timing, Synchronization and HARQ enhancements
                  1.1.3     Mobility Management
                  1.1.4     Switchover
                  1.1.5     NG-RAN signalling
                  1.1.6     RF performances and RRM requirements
                  1.1.7     Other enhancements
        1.2     Overview of the component RIT: IoT-NTN
                  1.2.1     Overall architecture and general aspects
                  1.2.2     Timing and Synchronization
                  1.2.3     Discontinuous coverage and assistance information
                  1.2.4     Mobility Management
                  1.2.5     Feeder-link switchover
                  1.2.6     Network-interfaces signalling aspects
                  1.2.7     MME(Re-)Selection by eNB
                  1.2.8     Verification of UE location
                  1.2.9     Support for E-UTRAN
                  1.2.10     Other NAS protocol Aspects
                  1.2.11     Other enhancements
        1.3     Detailed specification of the radio interface technology
                  1.3.1     Titles and synopses of the global core specification and the transposed standards
                  1.3.2     Other specifications
Annex 2  Specification of the 3GPP 5G-NTN radio interface technology − RIT
 1     Background
 2     Overview of the satellite radio interface technology
        2.1     Overview of the 5G-NTN RIT
                  2.1.1     Overall architecture and general aspects
                  2.1.2     Timing, Synchronization and HARQ enhancements
                  2.1.3     Mobility management
                  2.1.4     Switchover
                  2.1.5     NG-RAN signalling
                  2.1.6     RF performances and RRM requirements
                  2.1.7     Other enhancements
        2.2     Detailed specification of the radio interface technology
                  2.2.1     Titles and synopses of the global core specification and the transposed standards
                  2.2.2     Other specifications