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A Resource Management Method for Dynamically Adjusting Reserved Bandwidth According to Time Period

A technology of reserved bandwidth and dynamic adjustment, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as resource waste, avoid resource waste, improve resource utilization, and achieve the effect of statistical multiplexing

Active Publication Date: 2018-08-07
INST OF ACOUSTICS CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the defect that resource waste is easily caused when the bandwidth allocation method in the prior art allocates bandwidth, thereby providing a dynamically adjustable bandwidth allocation method

Method used

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  • A Resource Management Method for Dynamically Adjusting Reserved Bandwidth According to Time Period
  • A Resource Management Method for Dynamically Adjusting Reserved Bandwidth According to Time Period
  • A Resource Management Method for Dynamically Adjusting Reserved Bandwidth According to Time Period

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Embodiment Construction

[0021] The present invention will be further described now in conjunction with accompanying drawing.

[0022] According to the resource management method of the present invention, which dynamically adjusts the reserved bandwidth according to the time period, according to the average value of the actually used bandwidth of the session corresponding to the resource allocation request in the previous time period and the state of the buffered data at the current moment, the bandwidth of the next time period is calculated. Reserve bandwidth, and then allocate bandwidth based on calculation results.

[0023] The formula for calculating the reserved bandwidth is as follows:

[0024]

[0025] Among them, BWR indicates the reserved bandwidth, BWU indicates the average value of the actually used bandwidth, Buf indicates the size of the buffered data, Span indicates the length of the time period, BWA indicates the current available bandwidth, and the subscript indicates the number of ...

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Abstract

The invention relates to a resource management method for dynamically adjusting reserved bandwidth according to a time period, comprising: within a certain time period of a session, according to the average value of the actually used bandwidth in the previous time period and the state of the buffered data at the current moment , calculate the reserved bandwidth for the next time period, and then allocate the bandwidth according to the calculation result.

Description

technical field [0001] The invention relates to cable television interactive television technology, in particular to a resource management method for dynamically adjusting reserved bandwidth according to time periods. Background technique [0002] exist figure 1 In the video-on-demand system shown, the edge resource manager (ERM) module is used to manage and schedule edge QAM resources. When an on-demand client initiates an on-demand request, a session is established through the session manager SM (Session Manager), and the SM will send The ERM initiates a resource request, and the ERM allocates EQAM resources and returns the EQAM resource information to the SM. [0003] With the development of cable digital TV access and interactive services, the use of EQAM resources has gradually begun to diversify. EQAM resources are not only used for the transmission of audio and video data, but also for the transmission of data such as games and IP packets. [0004] In the prior art,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/917H04L12/913H04N21/647H04L47/76H04L47/724
Inventor 刘磊郑艳伟袁鼎周渊斐
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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