A Method of Combining Streaming Media Clipping Technology and Explicit Congestion Notification Technology
A congestion notification and explicit technology, applied in the field of mobile communication, to achieve good bit rate adaptation or congestion control effect
Active Publication Date: 2017-05-10
ALCATEL LUCENT SHANGHAI BELL CO LTD
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In particular, in 3GPP TS 36.300, va300, E-UTRAN, it is proposed to apply the above-mentioned ECN technology to the base station to control the codec rate, but no detailed implementation method is given for this proposal
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[0038] image 3 A schematic diagram of a system for implementing explicit congestion notification for a scalable-based video service according to an embodiment of the present invention is shown. Figure 4 A flowchart of a method for implementing stream clipping in MANE according to an embodiment of the present invention is shown. Figure 5 A flow chart showing a method for realizing explicit congestion notification for a scalable-based video service implemented in a network device according to an embodiment of the present invention is shown. Image 6 It shows a flow chart of implementing a method for realizing explicit congestion notification for a scalable-based video service in an RTP receiving end according to an embodiment of the present invention.
[0039] The following will combine Figure 4 to Figure 6 right image 3 The system in is described. Such as image 3 As shown, the system includes an RTP sender, a network unit, a network device, and an RTP receiver.
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The present invention provides a method for realizing the combined use of streaming media clipping technology and explicit congestion notification technology for scalable-based video services. Through the preferred technical solution provided by the present invention, the ECN technology and the stream clipping technology can be combinedly applied to scalable video services, and reliable explicit congestion notifications and / or periodic explicit congestion notification summary reports can be generated. Therefore, after receiving the explicit congestion notification and / or the periodic explicit congestion notification summary report, the RTP receiving end can achieve a good code rate adaptation or congestion control effect. And the ECN technology according to the present invention also considers the time-varying problem in the wireless network. In addition, in the present invention, network equipment can set different congestion events for the same scalable video service according to needs, which is also very beneficial for the RTP sender to implement accurate congestion control.
Description
technical field [0001] The present invention relates to mobile communication technology, in particular to a method for realizing the combined use of stream media clipping technology and explicit congestion notification technology for scalable video services. Background technique [0002] In the document IETF RFC 3168 (09 / 2001) "Adding Explicit Congestion Notification (ECN) to IP Network (The Addition of Explicit Congestion Notification (ECN) to IP)" proposes an explicit congestion notification (Explicit Congestion Notification, ECN) technology , that is, when it is found that congestion is about to occur, it will be indicated in the IP data packet instead of being discarded directly. Specifically, the ECN field is set in the header of the IP data packet. Such as figure 1 As shown, the ECN field includes two bits, that is, an explicit congestion indication transmission bit (ECN-Capable Transport, ECT) and a congestion early warning bit (Congestion Experienced, CE). When th...
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IPC IPC(8): H04N21/4385H04N21/647H04L12/801H04L47/32
CPCH04L47/32
Inventor 晁华
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD