1. SCPC Satellite Link Single Customer Per Carrier (SCPC)
Most simple and popular VSAT service
64Kbps-8Mbps
Asymmetric speeds possible, e.g. 256/64Kbps

2. Efficient Space Segment Usage
Up to 74Mbps via standard
36MHz transponder
14Mb/s 8PSK
52Mb/s 16QAM
8Mb/s 8PSK

3. DVB-RCS Architecture User Terminals Satellite modem Hub Station PC
Return Channel 128Kbps – 2Mbps MF/TDMA
User Terminals
Standard DVB up to 48Mbps
Satellite modem
SOHO / Consumer
Hub
Station PC
Business communications
Internet
Private Network

4. DVB-RCS Outbound TCP/IP Network Regular DVB Outbound
DVB-RCS Return Channel
Control Table Insertion

5. DVB-RCS Inbound QPSK, Turbo, FEC 1/2 - 6/7 128Kbps – 2Mbps per carrier
Fast-hopping between carriers up to 20MHz
MPEG or ATM Encapsulation
MF/TDMA Capacity assignment types
Continuos Rate Assignment
Rate Based Dynamic Capacity
Volume Based Dynamic Capacity
Free Capacity Assignment

6. DVB-RCS Inbound Demodulator bank for 24 carriers
Includes Control Channel Unit and
Control Supervision and I/O board ----> Ethernet 100BaseTX

7. DVB-RCS Hub Structure Inbound Demodulator Bank CISCO Router
IP Routing, Outbound QoS Management
DVB Outbound with Return Channel Control Table Insertion
DVB-RCS NMS Inbout QoS Management (Radio Resource Management)

8. DVB-RCS Terminals
Nera SatLink 1900/3000
Newtec NTC 2094/2515