Cellular and Broadcast networks address different usage scenarios. Broadcast technologies will clearly address concentrated demand for the most popular content. Cellular networks provide a dedicated connection which enables carriers to offer personalized content, niche "long-tail" channels and integrated mobile-commerce.
Traditional content distribution networks can bring IP content to the edge of the cellular network. This solutions bring caching closer tot the edge of the cellular radio network need to be developed. In addition, cooperation with broadcast systems can put additional load on the uplink of cellular networks, without limiting normal mobile services; hence, revenues for cellular operators are increased.
Broadcast is a "killer application" in mobile video entertainment. Broadcast overlays are beginning to emerge. It's bring issues with cellular vs broadcast coverage disparities. Operators believe broadcast TV alone will not result in very strong average revenue per user (ARPU) growth. For increase the growth, broadcast need interactive applications over cellular network. These interactive services are recognized as the value-added service for broadcast networks that will ensure profitability in the long run. The combination of broadcast systems with a mobile return channel could enable new service models, especially if mobility is also taken into account in the broadcast system.
Pervasive networks
11 years ago
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