Interactive TV: A new application for mobile computing

This contribution presents some recent developments in the field of interactive digital television and discusses the challenges of bringing these TV services to mobile devices. The paper addresses two different scenarios. The first part discusses the use case of complementing the TV set by mobile devices in a home network, considering also the aspect of using different networks (both broadcast and IP-based data networks) to deliver the content to the home. In the second part, the new field of mobile broadcast technologies is introduced and an overview over the different technologies and standardisation activities is provided.