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Adpative jam control method and system suitable for satellite network

A technology of congestion control and satellite network, which is applied in the direction of using the return channel for error prevention/detection, error prevention/detection through transmission repetition, etc., and can solve problems such as not being able to adapt to satellite networks

Inactive Publication Date: 2007-07-25
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of self-adaptive congestion control method and system suitable for the satellite network, thereby improving the satellite network throughput and fairness

Method used

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  • Adpative jam control method and system suitable for satellite network
  • Adpative jam control method and system suitable for satellite network

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Embodiment Construction

[0020] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0021] The present invention provides a kind of self-adaptive congestion control method suitable for satellite network, comprises the following steps:

[0022] The sending device sends a message to the receiving device;

[0023] The sending device receives the feedback information, if the feedback information is congestion information, the sending device reduces the amount of packets sent to the receiving device; if the feedback information is link error information, the sending device sends a message to the receiving device The device retransmits the lost message; if the feedback information is message reception confirmation information, the sending device continues to send the message to the receiving device;

[0024] If the sending device does not receive the feedback information after a predetermined period of tim...

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Abstract

The method includes steps: a transmitting device (TD) sends message to receiving device (RD); TD receives feedback information (info); if it is congestion info, then, reducing quantity of sending out message; if it is link error info, then, retransmitting lost message; if it is message acceptance acknowledgement (ACK) info, then, continuing sending message; if no feedback info is received after a prearranged period of time, then, restarting sending message. The system includes following parts: TD in use for sending message and receiving feedback info; middle gateway node in use for feeding back congestion info to TD, and discarding a certain amount of message to decelerate congestion condition; RD in use for receiving message from TD through middle gateway node, feeding back link error info through repeated ACK, and ACK info of receiving message to TD. The invention raises throughput and fairness of satellite network, and reduces transmission delay.

Description

technical field [0001] The invention relates to an adaptive congestion control method and system suitable for satellite networks, in particular to an adaptive congestion control method and system applied to satellite networks. Background technique [0002] With the advent of information globalization and the combined development of multimedia technology and telecommunication technology, many new application requirements have emerged, such as multimedia conferencing, virtual reality and computer visualization. They all require high-speed processing and high-speed transmission as technical support. Because satellite network communication has unique functions such as space spanning, long-distance communication and broadcasting, and can provide users with various communication methods from voice to data, from low speed to high speed, from single communication to multimedia communication, and from fixed to mobile, etc. Satellite network communication is playing an increasingly i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/14H04L1/08
Inventor 刘锋张学军张军刘衡娜张翰
Owner BEIHANG UNIV