DVB-T to DVB-T2 System Upgrade in Ghana
Actual DVB-T System Overview
Compliant with DVB-T terrestrial TV and MPEG2 standards
One license UHF Ch-40 at 626MHz for DVB-T
1000W DVB-T transmitters for Accra, Kumasi and Takoradi
200W DVB-T transmitters for Cap Coast and Kofuoradia
DVB-T Mode: 64QAM, FEC=3/4, GI=1/16, FFT=8k, Max Bit Rate=30Mb/s
9 TV channels in MPEG2 SD from studio
MPEG2 encoder working at 2.5Mb/s per TV program
Enigma scrambler and CAS without smart card
450km Microwave links to rout the headend signal to transmitters
DVB-T2 System Upgrade and Benefits
Fully End to End Digital System
Compliant with DVB-T2/T, AVC/H.264/MPEG4, MPEG2
New license UHF Ch-45 at 666MHz for DVB-T2
DVB-T2 modulation mode at 256QAM, FEC=3/4, GI=1/128 with a bandwidth of 45Mb/s
More TV channels per UHF transponders, reduce OPEX, 2 UHF Transponders can broadcast up to 40 TV channels
Thomson MPEG4 encoder and statistical re-multiplexing, making possible of 1-1.2Mb/s per SD channel
New Headend with 20 SD encoders in MPEG4/H.264; 1+1 Statistical Remux Scrambler carries both DVB-T and DVB-T2 signals
Simulcast of SD and HD, MPEG2 and MPEG4/H.264
Thomson DVB-T2 transmitters, 1500W for Accra, 2x1000W for Kumasi and Takoradi, 2x600W for Cap Coast and Kofuoradia
Enigma CAS without smart card, cost saving of 4 USD/smart card
Enigma CAS with scratch card by mobile SMS for micro payment
Cost effective DVB-T2/T STB supporting SD/HD, MPEG2 and MPEG4
NEC IP Microwave with 400Mb/s to support multi service, broadcast, IP access, Voice over IP and Video supervision.
Solar and Diesel Electricity Backup System for Microwave Links
450km IP Microwave Links
DVB-T/T2 Headend System Diagram
DVB-T/T2 Transmitter System Diagram
IP Microwave for Multi Service Platform
Solar and Diesel Electricity Double Redundancy for IP Microwave Links
DVB-T/T2 Dual Mode STB
