Mongolia DVB-T2, Txoj kev hloov hauv Ulaanbaatar
Actual Mongolia DVB-T System Profile:
Compliant with DVB-T terrestrial TV and MPEG2 standards Four licensed UHF in 8MHz channels Ch-31, Ch-33, Ch-35, Ch-37 4 x 1000W DVB-T transmitters for a coverage of 30km Tower height 180m, 2×8 panel antenna array DVB-T Mode: 64Qam, FEC=3/4, GI=1/16, FFT=8k, Max Bit Rate=26.35Mb/s TV signals from CVBS of Satellite Receivers 4-way MPEG2 encoders working at 3/4 D1 at 2Mb/s per channel Remux and scrambler and CAS with smart card 30000 Subscribers using DVB-T STB with SD MPEG2 Fiber optic distribution link to Transmitter site of MNB RF Non-regenerative re-transmission to neighbor cities Tshiab Mongolia DVB-T2 System Profile: Fully compliant with DVB-T2/T terrestrial TV AVC/H.264/MPEG4, MPEG2 TV standards Adding a new licensed UHF channel 28 Move from DVB-T to DVB-T2 in 1st step of Ch 28 and Ch 37 Transponder Ch-28 using Thomson headend with 40 SD encoders in statistical remux Transponder Ch-37 remux of HD/SD MPEG2 and MPEG4 Simulcast of SD and HD, MPEG2 and MPEG4/H.264 Simulcrypt between old CAS and Enigma smart card less CAS Cost effective DVB-T2/T STB supporting SD/HD, MPEG2, and MPEG4 Fiber optic distribution link to transmitter room of MNB Add new channel 28 re-transmission to other cities New DVB-T2 System Benefits: End to end full digital system World class Thomson MPEG4 encoder and statistical re-multiplexing, making possible of 1-1.2Mb/s per channel More TV channels per UHF transponders, reduce OPEX, 3-4 Transponders can broadcast 120 TV channels French Enigma CAS without a smart card, cost saving of 4 USD/smart card French Enigma CAS with scratch card by mobile SMS for micropayment, Billing system in English, upgradable to Mongolian One High power DVB-T2 transmitter from Italy Conversion of 1 DVB-T transmitter to DVB-T2 by using exciter from Teamcast France Good experience and wide expertise in the digital terrestrial TV system Read full story