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Method and a node in an iptv network

A node and network technology, applied in the field of Internet Protocol TV network, can solve problems such as no known solutions, and achieve the effect of reducing bandwidth

Inactive Publication Date: 2012-09-05
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Further, there is also no known solution to account for delays caused by encoding, such as interframe delays in the case of MPEG2

Method used

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  • Method and a node in an iptv network
  • Method and a node in an iptv network
  • Method and a node in an iptv network

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Embodiment Construction

[0033] The basic idea of ​​the present invention is to utilize the knowledge of the user's channel change behavior and establish a channel switching prediction table. A node according to the invention is configured to exploit the knowledge of user channel change behavior in order to predict user channel change and to bring the predicted channel to use close to the user's STB prior to an expected channel switch.

[0034] This node can be found at figure 2 Implemented in the video edge of the IPTV network shown. figure 2 The IPTV network comprises a headend 201 connected to a content provider 200 and adapted to distribute a media stream containing content from the content provider to an encoder 202 and a multicast distributor 209 . The encoder 202 encodes the media stream, and the multicast distributor 209 distributes the encoded media by multicast distribution. The encoded media stream is multicast to the video edge 205 of the IPTV network through different IP-networks and ...

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Abstract

The present invention relates to a method and a node in an IPTV network. The node according to the present invention is configured to use the knowledge of the user channel switching behaviour in order to predict user channel switching and to make the channels predicted to be used available close to the STB of the user in advance of the anticipated channel switch.

Description

technical field [0001] The present invention relates to Internet Protocol TV (IPTV) networks, in particular it relates to nodes in an IPTV network and a method of zipping between different media channels provided by a media content distributor. Background technique [0002] Several technologies exist today for delivering television channels to television viewers at home: [0003] · Wireless analog broadcasting via satellite or terrestrial network, analog broadcasting via coaxial cable network; [0004] ·Wireless digital broadcasting via satellite or terrestrial network, digital broadcasting via coaxial cable network; [0005] as well as [0006] • Digital multicast or unicast streams over IP networks, known as IPTV. [0007] The channel change experienced by the user varies depending on which technology is being used. [0008] In the case of analog broadcasting, all TV channels are always present and demodulation starts instantaneously, ie the viewer experiences channel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/2662H04N21/438H04N21/61H04N21/6371H04N21/64H04N7/24
CPCH04N21/2662H04N21/6371H04N21/4384H04N21/6125H04N21/64784H04N21/64723
Inventor I·马西瓦斯J·哈伦G·P·康加拉思
Owner TELEFON AB LM ERICSSON (PUBL)