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Data retransmission control method and device, and terminal equipment

A technology of data retransmission and control method, applied in the field of communication, can solve the problems of long retransmission delay, inability to reasonably determine retransmission time interval and retransmission frequency, and high system resource overhead, so as to improve network transmission speed, The effect of avoiding long retransmission time and avoiding excessive overhead of bandwidth resources

Active Publication Date: 2013-05-08
山东汉鑫科技股份有限公司
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Problems solved by technology

[0005] Embodiments of the present invention provide a data retransmission control method and device, and a terminal device to solve the problem that the time interval and retransmission frequency of retransmission cannot be reasonably determined, resulting in excessive retransmission delay or excessive system resource overhead. question

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  • Data retransmission control method and device, and terminal equipment
  • Data retransmission control method and device, and terminal equipment
  • Data retransmission control method and device, and terminal equipment

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Embodiment Construction

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] The embodiment of the present invention provides a data retransmission control method, which uses different methods to determine the transmission control protocol (Transmission Control Protocol, TCP) timeout interval (Retransmission Timeout, RTO) according to whether data overtime retransmission occurs. The process is as follows figure 1 shown, including the following steps:

[0025] Step S11: monitor the timeout retransmission of data sending and the round-trip delay value of statistical data sending.

[0026] After the terminal sends data, it ...

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Abstract

The invention discloses a data retransmission control method and a data retransmission control device, and terminal equipment. The method includes the steps: monitoring whether data sending retransmission timeout occurs; when the data sending retransmission timeout does not occur, calculating a transmission control protocol (TCP) time-out time interval according to two round-tripping time delay values which are selected from round-tripping values sent by data which are counted; after the data sending retransmission timeout occurs, a TCP time-out time interval which is used when the data sending retransmission timeout occurs is adjusted according to a newest round-tripping value sent by the counted data, and then obtaining the TCP time-out time interval which is after being adjusted. The method avoids that the time relay is too long or system overhead is too much.

Description

technical field [0001] The present invention relates to the field of communication technology, and in particular to a transmission control protocol (Transmission Control Protocol, TCP) data retransmission control method and device, and terminal equipment. Background technique [0002] At present, one of the methods for using TCP to provide reliable transmission is to confirm the data received from the other end, but the reception of the data itself and the reception of the data reception confirmation information may be lost. In order to solve this problem, a timer is generally used to The reception of the data reception confirmation information is controlled. For example, a certain timing is set by a timer. When the timing expires and no data reception confirmation message is received, it is considered that the receiver has not received the sent data, and the sender will retransmit the data. [0003] The key to the timeout retransmission during the above data transmission l...

Claims

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Application Information

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IPC IPC(8): H04L1/18H04L1/16
Inventor 邵长春
Owner 山东汉鑫科技股份有限公司
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