A data terminal and data access method based on wireless ad hoc network

A wireless self-organization and data terminal technology, applied in network topology, wireless communication, electrical components, etc., can solve the problems of fast and convenient networking and complex configuration process that cannot be adapted to conferences, and achieves low environmental impact, high storage reliability, The effect of reliable protection

Active Publication Date: 2011-12-21
HUNAN LIONSUN DATA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using the previous method to build a venue network environment often requires a complicated conf...

Method used

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  • A data terminal and data access method based on wireless ad hoc network
  • A data terminal and data access method based on wireless ad hoc network
  • A data terminal and data access method based on wireless ad hoc network

Examples

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Embodiment 1

[0057] Example 1:

[0058] Below in conjunction with accompanying drawing and example the present invention is described in further detail.

[0059] 1. WANsDT hardware structure

[0060] (1) MCU:

[0061] MCU is the core of WANsDT, which manages WiFi module, USB communication and data storage. MCU uses Atmel's AT32UC3A3256 chip, which is based on Cortex-M3ARM 2.0 version and runs at a frequency of 96MHZ.

[0062] Built-in USB2.0 high-speed interface, SDIO (SDHC) interface (support high-capacity SD card), SPI interface can be used to connect wireless modules. Both the USB interface and SDIO interface support DMA (direct memory access) operation, which can effectively improve the data throughput. According to the MASSIO protocol based on MASS (mass storage), the speed of the SDIO interface operation of the computer is expected to reach more than 4MB / S. The package of this processor is 100-lead LQFP [that is, thin QFP: Low profile Quad Flat Package], 14x14m, 100-ball LFBGA (ba...

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Abstract

The invention discloses a mobile ad hoc network-based data terminal and a data access method. The mobile ad hoc network-based data terminal comprises a micro control unit (MCU), a wireless fidelity (WiFi) module, a wireless access point (AP), a universal serial bus (USB) interface, a random access memory (RAM), an electrically erasable programmable read-only memory (EEPROM), a storage and a real-time clock (RTC), wherein the WiFi module, the USB interface, the RAM, the storage and the RTC are connected with the MCU; the wireless AP is connected with the WiFi module; a plurality of mobile ad hoc networks data terminals (WANsDTs) are respectively connected with a plurality of personal computers (PCs) to form a WiFi local network; and one of the WANsDTs is used as a main control terminal, and the other WANsDTs are slave terminals. The mobile ad hoc network-based data terminal can provide large memory space, has high reliability and good compatibility, is small in size and easy to carry, and meets plug-and-play requirement.

Description

technical field [0001] The invention belongs to the field of computer applications, and relates to a wireless ad hoc network-based data terminal and a data access method (Mobile Ad Hoc Networks Data Terminal, hereinafter referred to as WANsDT). Background technique [0002] Against the background of global calls for energy conservation and emission reduction, the topic of "environmental protection" has been continuously discussed and deepened. In various conferences, conference materials use a lot of paper, printing, material transportation and other various costs are high, manpower and time consumption are more, which not only increases costs, but also does not adapt to the development of the information age. Paperless conferences use electronic documents instead of paper materials, which can not only reduce the use of office consumables, reduce management costs, greatly improve work efficiency, but also have far-reaching significance for energy conservation and environment...

Claims

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Application Information

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IPC IPC(8): H04W84/18H04W88/02G06F12/02
Inventor 龙军龙健张祖平赵贵虎
Owner HUNAN LIONSUN DATA TECH CO LTD
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