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Wireless self-organizing network, internet embedded interconnecting terminal and application method

A wireless self-organization and Internet technology, applied in electrical components, transmission systems, data exchange through path configuration, etc., can solve problems such as increased network costs, poor mobility, and small coverage

Inactive Publication Date: 2008-12-31
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing wireless local area network (WLAN) is a single-hop network from the network level, with small coverage and poor mobility.
If only enough access points are installed to meet the seamless access of nodes, the cost of the entire network will inevitably be greatly increased

Method used

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  • Wireless self-organizing network, internet embedded interconnecting terminal and application method
  • Wireless self-organizing network, internet embedded interconnecting terminal and application method
  • Wireless self-organizing network, internet embedded interconnecting terminal and application method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] 1. Connect the embedded mobile terminal to the Internet through Modem dialing.

[0038] 2. At the same time, configure the AODV routing protocol for a notebook, a PC, and the embedded terminal, so that they also have the function of multi-hop transmission, and use them to build a cross-platform wireless multi-hop environment.

[0039] 3. Set the ESSID (external network ID) of the wireless network card to Ad Hoc. In order to prevent the invasion of external nodes, set the ENC of the wireless network card. Only nodes with the same ESSID and ENC can communicate with each other.

[0040] 4. Configure the NAT protocol on the embedded terminal side to implement packet filtering.

[0041] 5. Notebooks and PCs and the embedded terminal form an Ad Hoc network and access the Internet through the embedded terminal.

[0042] The invention adopts the processor S3C2410 with a main frequency of 203MHz and an ARM920T core. The implementation steps are:

[0043] Hardware implementa...

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Abstract

The invention relates to an embedded interconnection terminal of a wireless ad hoc network and the Internet, and an application method thereof. The embedded interconnection terminal is the equipment for realizing the interconnection of the Ad Hoc network (the wireless ad hoc network) and the Internet and has the effect of connecting the Ad Hoc network into the Internet by the interconnection terminal. The embedded interconnection terminal of the wireless ad hoc network and the Internet comprises an embedded processer (1), a flash module (2), a memory module (3), an interface converter chip (4), a power supply converter chip (5), a PCMCIA slot (6), a wireless network card (7) and a dialing module (8); the method comprises the steps that: 1) the equipment is connected with the Ad Hoc network by a data interface provided by the wireless network card in a wireless multi-hop manner; 2) the equipment is connected with the Internet by the data interface provided by the dialing module; 3) the network ID of each node in the Ad Hoc network is set to be Ad Hoc; 4) packet filtering rules are set for the equipment and the rules are operated in the embedded interconnection terminal.

Description

technical field [0001] The present invention is a device for realizing the interconnection between an Ad Hoc (wireless ad hoc network) network and the Internet (Internet), and its function is to connect the Ad Hoc network to the Internet through the interconnection terminal. It belongs to the field of wireless network convergence. Background technique [0002] In recent years, mobile communication technology has been rapidly developed and popularized. The combination of mobile communication and Internet technology has brought unprecedented changes to people's way of life and quality of life, and more and more users want to access the Internet at high speed in the process of moving. However, the existing wireless local area network (WLAN) is a single-hop network in terms of network level, with small coverage and poor mobility. If only enough access point APs are installed to satisfy the seamless access of nodes, the cost of the entire network will inevitably be greatly incr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L29/06
Inventor 吴蒙李晶朱峥
Owner NANJING UNIV OF POSTS & TELECOMM