Tech-invite 3GPPspace IETFspace

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Content for TR 38.821 Word version: 16.2.0

1… 4… 5… 5.2… 5.2.2… 5.3… 5.4… 6… 6.1.1.2… 6.1.2 6.1.3 6.1.4 6.2… 6.3… 7… 7.3… 8… 8.3… 8.4… 8.7… 9… A… B… C…

8.1 Tracking area management 8.1.1 NTN cells are fixed w.r.t the ground 8.1.2 NTN cells are moving w.r.t the ground 8.2 Registration Update and Paging Handling 8.2.1 Option 1: UE is capable to determine its location 8.2.2 Option 2: UE is not capable to determine its location
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8 Issues and related solutions for NG-RAN architecture and interface protocols p. 106

8.1 Tracking area management p. 106

8.1.1 NTN cells are fixed w.r.t the ground p. 106

8.1.2 NTN cells are moving w.r.t the ground p. 106

8.1.2.1 Tracking Area defined on satellite p. 107

8.1.2.2 Tracking Area defined on earth p. 107

8.2 Registration Update and Paging Handling p. 107

8.2.1 Option 1: UE is capable to determine its location p. 108

8.2.1.1 Mapping of UE location to gNB list in the AMF p. 108

8.2.2 Option 2: UE is not capable to determine its location p. 109

8.2.2.1 Solution 1: Timing window based Registration update and paging p. 109

8.2.2.2 Solution 2: UE assisted TA list report/registration and paging p. 110

8.2.2.3 Solution 3: Multi-Tracking Area ID based Registration update and paging p. 111

8.2.2.4 Solution 4: UE location determined by NTN based NG-RAN p. 112