1) Network Coordination Station (NCS)
headquarter
Inmarsat
2) Network Operation Center (NOC)
3) Satellite Control Center (SCC)
4) Tracking Telemetry and
Control Center (TT&C)
Fig.1.1.2 The Inmarsat FleetBroadband service Network
1.2 The Inmarsat FleetBroadband services
Inmarsat FleetBroadband provides service shown below.
Packet Switched service (PS), Circuit Switched service (CS), and Short Message Service (SMS)
can be used simultaneously.
JUE-501/JUE-251 supports a maximum of 11 PS connections and one CS connection at the
same time.
Packet switched service (PS)
Standard IP
Streaming IP
Inmarsat Satellite
5) Satellite Access Station (SAS)
Internet
•
Internet and intranet access at speed up to 432kbps over a
shared channel for FB500. (Up to 284kbps for FB250.)
•
Charged by data amount
•
Internet and intranet access at guaranteed data rates on
demand up to 256kbps (8, 16, 32, 64, 128 and 256kbps) for
FB500. (Up to 128kbps for FB250)
•
Charged by connection time.
1-3
1. Inmarsat Service systems
International / Internal
Public network
Mobile Earth
Station (MES)