DD plans for
multiplex transmitters at 630 locations for SDTV, HDTV, and mobile
TV
source:http://www.indiantelevision.com/
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Doordarshan
has drawn up a long term plan to have a 'multiplex' of five transmitters
each at 630 locations to provide a competitive platform.
Each of these multiplex transmitters will have two for standard
television, two for high definition TV, and one for mobile TV services.
Stating this in an action-taken report to the Parliametary Standing
Committee on Information and Technology, the information and broadcasting
ministry has said it is in discussion with the department of telecom for
release of more spectrum.
The I&B Ministry has asked the telecom department to give spectrum for
various broadcasting services in the UHF Band V since the frequency band
700 MHz – that is, 698 to 806 MHz – has been earmarked for
international mobile telecom services by the World radio Conference 2007.
As part of digitisation of its
terrestrial networks, DD is planning to set up 630 digital transmitters
which comprise 230 high power and 400 low power transmitters. Projects for
establishment of forty digital transmitters (SDTV) and four high
definition digital transmitters have already been taken up under the
Eleventh Plan.
It is felt that in view of its long-term plans, the total spectrum
requirement of DD will be met in Band-IV (470-582 MHz) and eight channels
in Band-V (582-646 MHz).
DD also has frequency assignment in 700 MHz band in two carriers: (745 MHz
and 795 MHz each with a bandwidth of 20 MHz for mobile video link and
Channel 54 (734-742 MHz) for digital terrestrial transmitters (DTT) in the
four metro cities.
Furthermore, the Ministry says it is estimated that at least 96 MHz of
spectrum will be required for four operators to start mobile TV services.
The Ministry has also pointed out that under NFAP (National Frequency
Allocation Plan) 2008, the frequency band 585-806 MHz is predominantly for
broadcasting services including mobile TV.
However according to the draft India
Remarks for NFAP 2011, it was suggested that the UHF Band V be bifurcated
with 585-698 MHz going to digital broadcasting and 698-806 MHz be given
for IMT applications.
Following the note by the I&B Ministry not to bifurcate this frequency, a
committee has been set up with officials of the department of telecom and
I&B Ministry.
When it was revealed that the frequency band 625-675 MHz is being given to
the defence ministry, it was pointed out by I&B Ministry that this
disturbs the entire band and therefore the defence ministry be asked to
relocate its frequency beyond 646 MHz so that the broadcasting spectrum
remains contiguous.This matter is now with the Empowered Group of
Ministers on vacation of spectrum.
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