Downloadable multi-CA/DRM service model and architecture for mobile broadcasting

Downloadable multi-CA/DRM is an emerging technology which has been standardizing in multiple standard organizations such as ITU-T and ETSI. This technology is used for providing multiple conditional access system and digital right management environment in pay-television service to overcome market fragmentation and enable interoperability. We studied a reference model and system architecture for downloadable multi-CA/DRM in mobile broadcasting service. It is also specified that the detail operational processes for downloadable multi-CA/DRM service.