This article describes broadband optical access network evolution including high speed interfaces for fixed and mobile services. The impact of network access evolution on network architecture and transmission equipment localization on the metropolitan network is also mentioned. Some technical challenges are also discussed, namely concerning the optical extended budget, as well as the impact of access evolution on the metropolitan network. The access bit rate evolution has also an impact on the home network by the necessity of offering connectivity to customers at 1 Gbit/s, for example, over plastic optical fibre.

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This paper presents a novel inter-view motion prediction technique used in 3D-HEVC which provides efficient compression for motion vectors. The 3D extension of HEVC (High Efficiency Video Coding) namely 3D-HEVC is under development in JCT-3V for coding multi-view video and depth data. Inter-view motion prediction takes benefit of the inter-view correlation between views by inferring the motion information of a view from the already coded motion information in another view as well as the local disparity between two views.Experimental results show that inter-view motion prediction in 3D-HEVC provides an average bit-rate savings of 15% for the dependent views.

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