Tech-
invite
3GPP
space
IETF
space
21
22
23
24
25
26
27
28
29
31
32
33
34
35
36
37
38
4‑5x
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…
8.7
Feeder link switch over
8.7.1
Principles
8.7.2
Procedures
8.8
Operations & Maintenance (O&M)
...
8.7
Feeder link switch over
p. 122
8.7.1
Principles
p. 122
8.7.1.1
Transparent Satellite
p. 122
8.7.1.1.1
Transparent LEO, Architecture Option 1, different gNBs
p. 122
8.7.1.1.2
Transparent LEO NTN, Architecture Option 1, same gNB
p. 124
8.7.1.2
Regenerative Satellite, Split gNB
p. 124
8.7.1.3
Regenerative Satellite, with full gNB on board, Architecture Options 3-5
p. 125
8.7.1.3.1
Regenerative LEO NTN with one gNB-DU as payload, Architecture Options 3-5
p. 126
8.7.1.3.2
Regenerative LEO NTN with two gNBs, or gNB-DUs as payload, Architecture Options 3-5
p. 127
8.7.2
Procedures
p. 127
8.7.2.1
Transparent payload case
p. 127
8.7.2.2
Regenerative payload case (gNB on board)
p. 128
8.7.2.3
Regenerative payload case (gNB split)
p. 129
8.8
Operations & Maintenance (O&M)
p. 130