Method of seamless switching for transmission of mobile stream media

A technology of streaming media transmission and seamless switching, which is applied in transmission systems, digital transmission systems, data exchange through path configuration, etc., to achieve the effects of avoiding jitter, solving packet loss problems, and reducing switching delays

Inactive Publication Date: 2006-07-19
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0020] In view of this, the purpose of the present invention is to provide a kind of seamless switching method that is used for the mobile streaming media transmissi

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  • Method of seamless switching for transmission of mobile stream media
  • Method of seamless switching for transmission of mobile stream media
  • Method of seamless switching for transmission of mobile stream media

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Embodiment Construction

[0067] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0068] The present invention is a seamless switching method for mobile streaming media transmission in a wireless mobile network, which adopts multi-path adaptive transmission rate adjustment to realize seamless switching of the transmission layer, that is, concurrent transmission according to multi-path wireless access The performance of each path in the video streaming media is dynamically adjusted to the layered multi-description coding strategy, and the multi-path video stream is scheduled to make the most possible use of the available bandwidth at the receiving end to realize mobile streaming media in the transport layer. smooth switching.

[0069] Before using the present invention, necessary preparations need to be carried out: the transport layer supports ...

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Abstract

The invention relates to a method for seamless switch of mobile flow media transmission in the wireless mobile network, which uses multiple-path adaptive transmission speed regulation to realize the seamless switch of transmission layer, as dynamically regulating the layered multiple description video code strategy of flow media, according to the property of each path of multiple-path wireless access parallel transmission, to distribute the multiply-path transmission video code flow, and utilize the available band width of receiver most, to realize the stable transmission and smooth switch of transmission layer of mobile flow media. The invention can improve the band width, the transmission reliability, and reduce the network switch delay and the loss rate, to avoid the vibration which will affect the video quality of flow media. The invention can fully utilize present wireless network resource, with simple operation.

Description

technical field [0001] The present invention relates to a seamless switching method for mobile streaming media transmission in a wireless mobile network, to be precise, relates to an effective combination of multi-path wireless access concurrent transmission and video streaming media layered multi-description coding, The method for realizing the smooth handover of the mobile streaming media at the transport layer can be called Matra-TraSH (Multi-PathAdaptive Transmission Rate Adjustment for Transport layer Seamless Handover), which adopts the adjustment of multi-path adaptive transmission rate to realize the seamless handover of the transport layer. In the switching process of the wireless mobile network, the invention can effectively guarantee the streaming media reception quality of the mobile terminal, and provides an effective way for the integration of the next generation heterogeneous wireless access network, and belongs to the technical field of mobile communication. B...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L1/00H04L12/28H04Q7/38
Inventor 廖建新王晶王纯李炜王敬宇朱晓民武家春张磊樊利民程莉
Owner BEIJING UNIV OF POSTS & TELECOMM
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