08-07-2014, 03:48 PM
DIGITAL RADIO MONDIALE
DIGITAL RADIO.ppt (Size: 558.5 KB / Downloads: 14)
About The TECHNOLOGY
DRM is ideally suited to long range broadcasting, you can stay tuned to the same station as you cross regional and national boundaries and move from one country to the next.
Why DRM is needed
Everything in the world, related to technology is being DIGITALISED in recent times, especially for DATA TRANSMISSION.
Coverage of VHF bands is limited to 88-108MHz.
DRM has the transmission range of 30MHz for SW, MW called DRM30.
DRM Advantages
The average radio today can receive some 35-40 local FM stations and few MW broadcasts.
DRM has the potential to bring to every radio a vast selection of new content. New programes from the world’s leading international broadcasters.
Factors Effecting DRM Transmission
Environment:
Various parameters of the OFDM and coding can be varied to allow DRM to operate successfully in many different propagation environments.