Direct to Mobile (D2M) Technology

 

Direct to Mobile (D2M) Technology



Why In News:

*    The Department of Telecommunications (DoT) and India’s public service broadcaster Prasar Bharati are exploring the feasibility of a technology that allows to broadcast video and other forms of multimedia content directly to mobile phones, without needing an active internet connection.

What is direct-to-mobile broadcasting?

*    The technology is based on the convergence of broadband and broadcast, using which mobile phones can receive terrestrial digital TV.

*    It would be similar to how people listen to FM radio on their phones, where a receiver within the phone can tap into radio frequencies.

*    Using D2M, multimedia content can also be beamed to phones directly.

*    The idea behind the technology is that it can possibly be used to directly broadcast content related to citizen-centric information and 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.

*    More so, the content should stream without any buffering whatsoever while not consuming any internet data.

What is the need for this technology?

*    With increasing consumption of content shifting from TVs to smartphones, it is becoming the key driver of mobile data growth in India. Hence, it becomes crucial to bring direct broadcasting capabilities to mobile phones.

*    As per IIT-Kanpur’s study, the broadcast-capable smartphones will be able to stream multiple high-quality video/audio services, optimally utilising valuable spectrum and easing the burden on cellular networks.

How D2M can be utilised on a mass scale?

D2M can ensure-

1. Emergency Alerts are delivered directly, reliably and without dependence on internet/cellular networks.

2. Disaster Management audio content is delivered directly and authentically in a targeted manner.

3. A terrestrial fallback is available for broadcast of public content of strategic or national importance in the event of catastrophic satellite failures.

4. Valuable spectrum, land, manpower and other public resources are conserved by converging Radio services to a common shared broadcast infrastructure where both audio and video broadcasts can be received through a single interface on smartphones or smart devices.


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