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Data transmission method and performance enhancing proxy in wireless ad hoc network

A data transmission method and wireless ad hoc technology, applied in the field of data transmission methods and performance enhancement agents in wireless ad hoc networks, can solve problems such as high bit error rate, performance degradation, link asymmetry, etc., to achieve a solution to the bit error rate high effect

Inactive Publication Date: 2015-09-30
BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
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Problems solved by technology

[0006] In view of this, the application provides a data transmission method and a performance enhancement agent in a wireless ad hoc network to solve the problems of high bit error rate, time extension, link asymmetry, and interruption of links in the traditional TCP in a wireless ad hoc network. Performance degradation caused by high rate characteristics

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  • Data transmission method and performance enhancing proxy in wireless ad hoc network
  • Data transmission method and performance enhancing proxy in wireless ad hoc network
  • Data transmission method and performance enhancing proxy in wireless ad hoc network

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings and examples.

[0024] In the embodiment of the present application, a data transmission method in a wireless ad hoc network is provided, and a Performance Enhancing Proxy (Performance Enhancing Proxy, PEP) is deployed for user terminals in the wireless ad hoc network, that is, a PEP is deployed for each user terminal, for The PEP deployed on each user terminal can be deployed on the user terminal, or can be deployed as an independent device.

[0025] A user terminal connected to a PEP through TCP is called a local terminal, and a user terminal connected to a PEP through another PEP and then connected through TCP is called a peer user terminal.

[0026] Any PEP is connected to the local user terminal through TCP, and connected to other PEPs through Sp...

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Abstract

The invention provides a data transmission method and a performance enhancing proxy (PEP) in a wireless ad hoc network. The data transmission method includes that when the PEP intercepts a TCP (transmission control protocol) data message, a proxy current-end user terminal packages data content in the TCP data message to be an SCPS-TP (space communication protocol standard-transmission protocol) data message and sends the SCPS-TP data message to an opposite-end user terminal; when the SCPS-TP data message is intercepted, the proxy opposite-end user terminal packages the SCPS-TP data message to be a TCP data message and sends the TCP message to the current-end user terminal. By the data transmission method and the performance enhancing proxy, the problem of performance lowering caused by the characteristics that conventional TCP in the wireless ad hoc network to links is high in bit error rate and long in time delay and the links are asymmetric and high in interruption rate is solved.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a data transmission method and a performance enhancing agent in a wireless ad hoc network. Background technique [0002] Wireless Ad Hoc Networks (Wireless Ad Hoc Networks) refers to a network that has no fixed infrastructure and uses a certain wireless signal as a means of communication. It does not need to deploy fixed base station facilities in advance, and can fully reflect the mobility and flexibility of wireless networks. Therefore, it is very suitable for battlefield communication, disaster relief, wearable computing and other occasions. [0003] see figure 1 , figure 1 It is a schematic diagram of a typical wireless ad hoc network. figure 1 Wireless communication can be performed between the user terminal 1 and other user terminals (user terminal 2 and user terminal 3). [0004] Transmission Control Protocol (Transmission Control Protocol, TCP) is currently the...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W76/02
CPCH04W24/02H04W76/10
Inventor 张帅
Owner BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD
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