SCPC Satellite Link Single Customer Per Carrier (SCPC) Most simple and popular VSAT service 64Kbps-8Mbps Asymmetric speeds possible, e.g. 256/64Kbps
Efficient Space Segment Usage Up to 74Mbps via standard 36MHz transponder 14Mb/s 8PSK 52Mb/s 16QAM 8Mb/s 8PSK
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
DVB-RCS Outbound TCP/IP Network Regular DVB Outbound DVB-RCS Return Channel Control Table Insertion
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
DVB-RCS Inbound Demodulator bank for 24 carriers Includes Control Channel Unit and Control Supervision and I/O board ----> Ethernet 100BaseTX
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)
DVB-RCS Terminals Nera SatLink 1900/3000 Newtec NTC 2094/2515