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Enabling layered video coding for IMS-based IPTV home services

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4 Author(s)
Vidal, I. ; Univ. Carlos III of Madrid, Leganes, Spain ; Garcia-Reinoso, J. ; Valera, F. ; Bikfalvi, A.

Nowadays IPTV services are gaining attention from both providers and end users. There is a large effort toward the integration of these services into emerging next-generation network architectures. In particular, one of the most relevant solutions is being proposed by ETSI-TISPAN and is based on the IP multimedia subsystem. This article focuses on introducing layered video coding into TISPAN IMS-based IPTV architecture, allowing cost-effective efficient solutions both for residential users and providers (e.g., flexible support of heterogeneous devices, live mosaics, adaptive video quality based on device and/or network capabilities). The advantages of using layered video coding in the TISPAN IPTV solution are analyzed and illustrated with a set of use cases. Furthermore, this solution has been integrated into a multimedia testbed in order to validate the presented proposal.

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Network, IEEE  (Volume:23 ,  Issue: 6 )