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Method and device for realizing TCP (transmission control protocol) proxy based on RNC (radio network controller)

A technology of processing unit and user terminal, applied in the field of communication, can solve the problems of reducing TCP connection data transmission efficiency, TCP connection data congestion and other problems, and achieve the effect of shielding data congestion, ensuring overall performance, and improving data transmission efficiency

Inactive Publication Date: 2011-04-20
DATANG MOBILE COMM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] As can be seen from the above scheme, under the prior art, the RNC still returns a corresponding TCP response message to the application server based on the feedback of the user terminal, that is to say, the RNC must wait until the user terminal makes a response (TCP layer response or RLC layer response ), the next step can be performed, and the application server will send the next round of TCP data packets only after receiving the TCP response message returned by the RNC based on the feedback from the user terminal. Therefore, in essence, the wireless transmission medium The impact still exists. If the user terminal is limited by wireless resources and cannot regularly feed back to the RNC, neither the RNC nor the application server will perform subsequent operations. Obviously, this will reduce the data transmission efficiency on the TCP connection. , may cause data congestion on the TCP connection

Method used

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  • Method and device for realizing TCP (transmission control protocol) proxy based on RNC (radio network controller)
  • Method and device for realizing TCP (transmission control protocol) proxy based on RNC (radio network controller)
  • Method and device for realizing TCP (transmission control protocol) proxy based on RNC (radio network controller)

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Embodiment Construction

[0023] In order to increase the data transmission rate of the TCP connection and reduce data transmission errors caused by wireless transmission characteristics, in the embodiment of the present invention, a TCP proxy is implemented based on the RNC, so that the RNC receives the TCP data sent from the application server to the user terminal. , first save the RNC data, and return the TCP response to the application server instead of the user terminal, and then send the saved TCP data to the corresponding user terminal, thus avoiding the response delay caused by wireless transmission,

[0024] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] refer to figure 1 and figure 2 As shown, in the embodiment of the present invention, the communication system includes an application server, a core network, an RNC, and a user terminal, wherein the RNC includes a first communication unit 20, a processi...

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Abstract

The invention discloses a method and device for realizing TCP (transmission control protocol) proxy based on an RNC (radio network controller), relating to the communication field and being used for avoiding data congestion on TCL connection. The method comprises the following steps: redesigning the TCP Proxy function of the RNC, leading the RNC to replace a user terminal to directly return a TCP response message to an application server after receiving the TCP data message sent from the application server to the user terminal, and then, sending the received TCP data message to a corresponding user terminal. As a wired transmission medium is adopted between the application server and the RNC, the RTT has small fluctuation, thus by adopting the method, data congestion on the TCP connection caused by a wireless transmission environment can be effectively shielded, the data transmission efficiency on the TCP connection can be improved, and the whole performance of the system can be ensured.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and device for realizing TCP proxy based on RNC. Background technique [0002] In the mobile communication system based on 3G technology, the TCP (Transmission Control Protocol, Transmission Control Protocol) connection established between the application server and the user terminal is generally divided into two parts, see figure 1 As shown, application server<->core network<->RNC<->NodeB, and NodeB<->user terminal, the former is a wired link, and the latter is a wireless link. From figure 1 It can be seen from the figure that the TCP connection established between the application server and the user terminal only uses a wireless transmission medium between the NodeB and the user terminal, and the other parts use a wired transmission medium. Since the wireless transmission environment itself has defects such as high bit error rate, low bandwidth, long...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/06H04W88/18
Inventor 王锐
Owner DATANG MOBILE COMM EQUIP CO LTD
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