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Data transfer rate regulating system, monitoring control device and regulating method

A technology of data transmission rate and adjustment system, which is applied in the field of real-time data transmission, and can solve the problems of reducing the efficiency of using circuits

Inactive Publication Date: 2008-06-11
NEC CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0017] As mentioned above, unlike the average or maximum speed of the application itself, the bitrate in each application will vary over time, and if multiple users receive an application with such speed variations, each user will usually be required to report their A circuit with the highest speed (highest bit rate) for which the application is received. In a system where every user reports the highest speed and the circuit is not allowed if the highest speed cannot be guaranteed, such a system may degrade Efficiency of using the circuit

Method used

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  • Data transfer rate regulating system, monitoring control device and regulating method
  • Data transfer rate regulating system, monitoring control device and regulating method
  • Data transfer rate regulating system, monitoring control device and regulating method

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[0040] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a data transmission rate adjustment system according to an embodiment of the present invention. In FIG. 1, the data transmission rate adjustment system according to an embodiment of the present invention is composed of user terminals 1 to 3 and a monitoring control device 4, each of which is connected to an IP network 101.

[0041] The user terminals 1 to 3 are connected to the IP network 101 and can receive data for executing application programs through the IP network 101. In other words, user terminals 1 to 3 are respectively provided with: received data delay absorption buffers 11, 21, and 31, which can accumulate data received within a period of time; and cumulative amount detectors 12, 22, and 32, which are used to obtain multiple The cumulative amount of received data currently accumulated by each of the user ter...

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Abstract

A data transmission rate regulating system for regulating the data transmission rate to a plurality of user terminals connected to a communication network comprises a quantity monitor for recognizing the accumulated quantity of received data of a user terminal, and a rate controller for controlling the reception rate of received data of a user terminal on the basis of information obtained by the quantity monitor.

Description

Technical field [0001] The invention relates to a data transmission rate adjustment system and a data transmission rate adjustment method used in the same, and more specifically, to a real-time data transmission method using a packet network. Background technique [0002] When transmitting or distributing content that has high requirements for real-time transmission (for example, voice or TV phone) to users, the method of using the transmission bottom layer can be divided into: 1) "circuit-switched" bearer, using circuit-switched network As the transmission bottom layer, it reliably maintains the maximum transmission rate of application data in the end-to-end part of the frequency band from the beginning to the end of a call or task; 2) "IP (Internet Protocol, Internet Protocol) exchange type" real-time Carrying, using IP network as the transmission bottom layer and guaranteeing the maximum speed of its application through QoS (Quality of Service) with specific quality in the for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/26H04L12/24H04L12/16H04L29/08
CPCH04L47/263H04L47/30H04L47/10H04L47/2416Y02B60/31Y02D30/50
Inventor 矢萩雅彦
Owner NEC CORP