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Post at: Aug 11 2022

D2M Technology

Why in News ?

  • According to a report in 4 june 2022, The Department of Telecommunication (DoT) and Prasar Bharati are exploring the feasibility of a Direct - to - Mobile (D2M) Broadcasting Technology.

What is D2M Technology ?

  • The technology is based on the convergence of broadband and broadcast, using which mobile phone can receive terrestrial digital TV.
  • It would be similar to how people listen to FM radio on their phone. Where a receiver within the phone can tap into radio frequencies.
  • Using D2M, multimedia content can also be beamed to phone directly.

Benefits of D2M technology

  • It allows broadcasting video and other forms of multimedia content directly to mobile phone, without an active Internet connections.
  • It promises to improve consumption of broadband and utilisation of spectrum.

Why need D2M technology ?

  • The idea behind the technology is that it can possibly be used to directly broadcast content related to citizen centric information.
  • It can be further used to counter fake news, issue emergency alerts and offer assistance in disaster management among other things.
  • It can be used to broadcast live news sports etc on mobile phones.

Impact of D2M technology

  • Consumers would be able to access multimedia content from Video on Demand (VoD) or Over the ToP (OTT) content platforms without having to exhaust their mobile data, and more importantly, at a nominal rate.
  • The technology will also allow people from rural areas, with limited or no internet access, to watch video content.
  • For businesses, it can enable telecom service providers to offload video traffic from their mobile network on to the broadcast network, thus helping them to decongest valuable mobile spectrum.
  • This will also improve usage of mobile spectrum and free up band width which will help reduce call drops, increase data speeds etc.

Challenges

  • Bringing key stakeholder like mobile operators on board will be the biggest challenge in launching D2M technology on a wide scale.
  • Mass roll out of the technology will entail changes in infrastructure and some regulatory changes.

Government Initiatives

  • The Department of Telecommunications (DoT) has set up a committee to study the feasibility of a spectrum band for offering broadcast services directly to user's smart phones.
  • Band 526-586 MHz is envisaged to work in coordination with both mobile and broadcast service.
  • At the moment this band is used by the Ministry of Information & Broadcasting across the country.

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