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Self-adapting real-time detection method for digital household network available bandwidth

A digital home network, real-time detection technology, applied in the direction of data exchange network, digital transmission system, data exchange through path configuration, etc.

Inactive Publication Date: 2011-04-27
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But Existing Digital Home Networking Models Can't Meet These Needs

Method used

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  • Self-adapting real-time detection method for digital household network available bandwidth
  • Self-adapting real-time detection method for digital household network available bandwidth
  • Self-adapting real-time detection method for digital household network available bandwidth

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Embodiment Construction

[0034] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0035] A flow chart of an adaptive real-time detection method for available bandwidth of a digital home network is as follows image 3 As shown, there are mainly five steps. First, the gateway sends a series of packets with a wide range of packet rates to the network terminal that needs to measure the available bandwidth for the first complete measurement. The network terminal feeds back the measured information to the gateway, and the gateway obtains the measured available bandwidth value after analysis. In the future, the measurement will be carried out at regular intervals, but it is not necessary to send such a wide range of rate packets like the first measurement. The rate range of the transmitted packet string only needs to be within the ±m range of the value obtained in the last measurement. In this way, the real-time detection of th...

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Abstract

The invention provides a method for detecting a self-adaptive digital home network bandwidth in real time. The method comprises the steps as follows: firstly, a gateway sends a string of packet train with a large range of packet rate to a network terminal which is required to test usable bandwidth for a first time of complete measurement; the network terminal feeds information obtained by the measurement back to the gateway; the gateway obtains the measured usable bandwidth value after the analysis; then, the measurement is carried out at intervals, but the packet train with the large range of packet rate is not required to be sent as the first time of the measurement; the packet rate range of the sent packet train is only required to be within the range of the value obtained from last measurement plus m to the value minus m, thereby realizing the real time detection of the usable bandwidth of the digital home network and achieving the effects of saving measurement and reducing network burden.

Description

technical field [0001] The invention relates to a real-time monitoring mechanism of available bandwidth, in particular to an adaptive real-time detection method of available bandwidth of a digital home network. Background technique [0002] Digital home refers to various family and personal digital products, which integrate audio-visual entertainment, information service and home control functions according to the needs of modern family life, and realize information interaction and communication with the outside world through cable TV, broadband communication, wireless communication, etc. A comprehensive intelligent system for socialized family services. The digital home is a specific product of the high integration of IT, information appliances, and communications. The concept of digital home emerged in North America in the late 1990s and reached a relative climax in 2001. In the early digital homes, only a few technical elites could own and use luxurious decorations—the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/28
Inventor 余荣谢胜利高如超吴宗泽
Owner SOUTH CHINA UNIV OF TECH