~7,5 km/s
>±500 kHz*
4–270 ms*
±1,5 µs

SatLink O-RAN NTN architecture Non-RT RIC Near-RT RIC SMO / OAM A1 O1 E2 O-FH M-Plane TT&C non-3GPP gNB · O-CU/O-DU NTN RU · O-RU

From satcom hub to 5G NTN, one orchestration SatLink 5G NR NTN gNodeB HUB DVB-S2X / SCPC Vendor A Vendor B Vendor C LEO · MEO · GEO

UE GW A GW B

SIB19.asn1 illustrative ● live
-- 3GPP TS 38.331 · SIB19 NTN-Config — recomputed live (illustrative values)
SIB19-r17 ::= SEQUENCE {
ntn-Config-r17 NTN-Config-r17 : {
epochTime-r17 { sfn 0, subFrameNR 0 },
ntn-UlSyncValidityDuration-r17 s10,
cellSpecificKoffset-r17 40,
kmac-r17 40,
ta-Info-r17 {
ta-Common-r17 0, -- step 4.072 ns
ta-CommonDrift-r17 0, -- step 0.2 ns/s
ta-CommonDriftVariant-r17 0 -- step 0.02 ns/s²
},
ntn-PolarizationDL-r17 rhcp,
ntn-PolarizationUL-r17 rhcp,
ephemerisInfo-r17 positionVelocity-r17 : {
positionX-r17 0, -- step 1.3 m
positionY-r17 0,
positionZ-r17 0,
velocityVX-r17 0, -- step 0.06 m/s
velocityVY-r17 0,
velocityVZ-r17 0
},
ta-Report-r17 enabled
},
t-Service-r17 4194304,
referenceLocation-r17 '0C3A…F1'H, -- cell ref point
distanceThresh-r17 50,
ntn-NeighCellConfigList-r17 {
{ carrierFreq-r17 308400, physCellId-r17 134 }, -- neigh sat-2
{ carrierFreq-r17 310000, physCellId-r17 97 } -- neigh sat-3
}
}

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