Abstract
Wireless IPTV (Internet Protocol TeleVision) aims to make the traditional IPTV and related services available to users anywhere, anytime, on any device, and through any network. Mobile streaming TV is one of the alternatives to deploy such a system; others are DVB-H or MediaFLO. In this paper we propose an alternative CDN-based architecture to distribute contents to different access networks, in order to create a triple screen platform. The core elements of the system are the video streamers, acting as surrogates of the mobile CDN-based architecture, installed in the access networks (including mobile), and the transcoding servers in the premises of the content providers. The paper focused on the wireless part of the system, analyzing the architecture and performance results related with the video coding and the efficiency obtained due to the placement of the streaming servers. The system has been deployed by a Spanish media company for its use with different Telcos, ISPs and media companies.
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Acknowledgements
The authors would like to thank their colleagues of ITEA2 EXPESHARE and CELTIC SERVERY projects, who have shaped their work with active participation in discussions and cooperation regarding the topics discussed in this paper. This document is a by-product of both projects, funded by the Ministerio de Industria, Turismo y Comercio through Plan AVANZA and Fondo Europeo de Desarrollo Regional (FEDER).
The authors also want to thank the anonymous reviewers of the 10th Conference on Telecommunications held in Zagreb from there interesting comments which have helped to improve the result of the paper, so as to the audience attending the workshop on IPTV for their interesting questions and remarks.