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A method and a user equipment for reserving bandwidth

A technology for user equipment and bandwidth, applied in the direction of television, selective content distribution, electrical components, etc., can solve any problems such as control, lack of availability, processing delay, etc. that cannot be given by IPTV operators for the use of available bandwidth

Active Publication Date: 2011-05-04
TELEFON AB LM ERICSSON (PUBL)
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0018] The overall problem with bandwidth reservation is how to get proper information about how much bandwidth is actually needed to negotiate the selected broadcast session
[0019] However, the problem with basing the bandwidth renegotiation process on the maximum bitrate property according to the above procedure is that the required signaling would result in processing delays that could impair the user experience for users who are switching between different channels
Repeated delays can be very annoying to the end user, while at the same time, from the operator's point of view, almost nothing can be gained by immediately initiating a bandwidth renegotiation in response to a channel switch initiated by the end user
[0021] Furthermore, currently known solutions for performing bandwidth renegotiation also fail to give the IPTV operator any control over the usage of the available bandwidth

Method used

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  • A method and a user equipment for reserving bandwidth
  • A method and a user equipment for reserving bandwidth
  • A method and a user equipment for reserving bandwidth

Examples

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Embodiment Construction

[0041] As discussed above, a certain amount of bandwidth requirements need to be defined for available IPTV channels to enable the IMS core network to perform bandwidth reservations for UEs that need to establish IPTV sessions with the IPTV network.

[0042] Today, the information available for this purpose is already provided in a broadcast offer from the IPTV network to the UE before the corresponding session can be established and gives for what bitrate must be available for the corresponding session (i.e. the bit rate which must be guaranteed for the corresponding IPTV channel rate) indicates the metadata.

[0043] It should also be apparent from the above that renegotiation of bandwidth on a per-channel basis is something that should be avoided to the greatest extent from an end user's point of view, since only when the corresponding UE has been granted the selected channel bandwidth to be able to watch the channel.

[0044] Therefore, there is a need for a method for li...

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Abstract

At a user equipment a conditional bandwidth re-negotiation method is provided for managing bandwidth re-negotiations when the user equipment is engaged in an IPTV session with an IPTV network and a channel switch has been requested. When it is determined that the requested channel requires less bandwidth than the presently selected channel, a conditional bandwidth re-negotiation process is initiated wherein, upon having switched to the requested channel, a timer is started. If, a timeout of the pending timer is recognised prior to another channel switch request, a bandwidth re-negotiation procedure is initiated, while no bandwidth re-negotiation is to be executed if another channel switch request is recognised prior to timeout of the pending timer.

Description

technical field [0001] The present invention generally relates to a method of bandwidth reservation associated with channel switching for user equipment participating in an IPTV session, and user equipment for performing the method. Background technique [0002] As television (TV) transitions from a one-way distribution service to a two-way interactive service for end users, and from distribution limited to stationary locations to distribution virtually anywhere and to With the transformation of on-screen viewing services, we will witness the birth of a new large market for TV programming, advertising, interactive games and different types of interactive services. [0003] As for attracting new customers to its respective networks, Internet Protocol Television (IPTV) offers new revenue opportunities for telecom service providers to compensate for declining voice service revenues. Work on IPTV is underway in a number of different contexts, including, for example, the develop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04N7/17318H04N21/4383H04N21/472H04N21/6125H04N21/643H04L65/80H04L65/611H04L65/752
Inventor 扬·埃里克·林德奎斯特埃里克·罗林
Owner TELEFON AB LM ERICSSON (PUBL)
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