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Communication system and method for facilitating TCP packet delivery

A communication system and packet technology, applied in the field of communication networks, can solve problems such as the low utilization rate of TCP wireless connections, and achieve the effects of low delay, high transmission efficiency, and low-cost integration

Active Publication Date: 2016-08-24
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a communication system and a method for assisting TCP packet transmission, so as to solve the problem of TCP misjudging the congestion state and the low utilization rate of wireless links in the wireless network

Method used

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  • Communication system and method for facilitating TCP packet delivery
  • Communication system and method for facilitating TCP packet delivery
  • Communication system and method for facilitating TCP packet delivery

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Embodiment Construction

[0031] In order to make the manufacture, operation method, objectives and advantages of the present invention more comprehensible, several preferred embodiments are specifically cited below, together with the accompanying drawings, and described in detail as follows. The protection scope of the present invention should be determined by the scope defined by the appended claims.

[0032] Figure 1a Shown is a schematic diagram of a communication system according to an embodiment of the present invention. The communication system 100 includes a TCP packet receiver E1, a TCP packet transmitter E2, a receiver agent AN1, a transmitter agent AN2, a base station BS and a mobile station MS.

[0033] For example, the TCP packet receiving end E1 and the TCP packet transmitting end E2 may be electronic devices capable of network connection. For example, personal computers, notebook computers, tablet computers, handheld devices and other electronic devices that can be connected to the wir...

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Abstract

The invention provides a communication system and a method for assisting TCP packet transmission. The method for assisting TCP packet transmission is applicable to a wireless communication link, comprising: receiving a plurality of TCP packets from a TCP packet transmitting end and transmitting the TCP packets to a receiving end agent; when the receiving end agent receives a TCP packet, sending A feedback packet to a transmitting agent; when receiving the feedback packet, compare the critical value of the round-trip time of a packet with the round-trip time of a packet between the transmitting agent and the receiving agent; judge the receiving end according to the comparison result Whether a network between the agent and the transmitting end agent is in a congested state; and when the network is in a congested state, automatically discard a TCP packet; otherwise, retransmit the lost TCP packet to the receiving end agent.

Description

technical field [0001] The present invention mainly relates to a communication network, especially a method for assisting TCP packet transmission in wireless communication. Background technique [0002] With the rapid growth of the demand for sending and receiving a large amount of data from mobile network communication devices, the traditional mobile voice communication network has evolved to use data packets for communication. The data packet communication can provide mobile communication device users with IP telephony, multimedia, multicast, and on-demand communication services. [0003] The use of Transmission Control Protocol (TCP) in wireless networks causes misjudgment. For example, in the process of TCP packet transmission, if the packet is not lost due to network congestion (such as signal weakening or handover process), according to the mechanism of TCP Additive Increase and Multiplicative Decrease (AIMD) or slow start (Slow Start) will be carried out to manage th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/04H04W28/06H04L1/18H04L47/32
CPCH04L47/11H04L47/283H04L47/32H04L47/10
Inventor 陈世扬王逸婷
Owner IND TECH RES INST
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