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Adjusting method and device for data transmitting speed

A technology of sending rate and adjustment method, applied in the field of communication, can solve the problems of transmission performance degradation such as throughput and delay, and achieve the effect of avoiding link congestion control and improving system transmission performance

Active Publication Date: 2014-01-15
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] To sum up, in the process of data transmission in the existing technology, the data sender will start the link congestion control and avoidance mechanism every time after receiving the confirmation packet with ECN-echo position 1, but in some cases, it does not necessarily happen Link congestion, there is no need to take actions such as link congestion control, these unnecessary actions will eventually lead to the degradation of transmission performance such as throughput and delay

Method used

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  • Adjusting method and device for data transmitting speed
  • Adjusting method and device for data transmitting speed
  • Adjusting method and device for data transmitting speed

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Embodiment Construction

[0028] The embodiment of the present invention provides a data transmission rate adjustment method and device, which are used to avoid unnecessary link congestion control and improve system transmission performance.

[0029] The technical solutions provided by the embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0030] see figure 2 , a method for adjusting a data transmission rate provided by an embodiment of the present invention, comprising the steps of:

[0031] S101. The data sender makes statistics on whether link congestion is fed back by the data receiver;

[0032] S102. The data sender adjusts the rate of sending data to the data receiver according to the statistical results of information about whether link congestion is fed back by the data receiver.

[0033] Preferably, the information about whether link congestion occurs is indicated by an ECN-echo bit of an explicit congestion notification ECN respons...

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Abstract

The invention discloses an adjusting method and a device for data transmitting speed, which are used for avoiding unnecessary link congestion control and improve system transmission performances. The adjusting method for data transmitting speed comprises the steps as follows: a data sender implements statistics on the information that whether link congestion occurs or not fed back by a data receiver; and the data sender adjusts the speed and sends data to the data receiver according to the statistics result of the congestion information that whether link congestion occurs or not fed back by the data receiver.

Description

technical field [0001] The invention relates to the field of communication technologies, in particular to a method and device for adjusting a data transmission rate. Background technique [0002] Transmission Control Protocol (TCP, Transfer Control Protocol) is a connection-oriented, reliable transport layer communication protocol standard. Because TCP has outstanding features such as congestion control, reliability, and streaming transmission, TCP has played an important role in building network services, especially wireless mobile computing network systems. [0003] Compared with the wired environment, the wireless environment usually has the characteristics of high bit error rate, variable bandwidth, large delay, and frequent movement. Therefore, applying the traditional wired-based TCP technology to the wireless environment will result in a large performance diminished. Therefore, how to effectively distinguish the cause of packet loss in the wireless network and make ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/811H04L1/00H04L1/16
Inventor 赵国胜李广鑫刘凯习建德
Owner DATANG MOBILE COMM EQUIP CO LTD