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Research on Applications of LED Display System Based on Mobile Network

Author: ZhaoWei
Tutor: WangZhiSen
School: Dalian University of Technology
Course: Pattern Recognition and Intelligent Systems
Keywords: Mobile networks Outdoor LED display Wireless communication module System security
CLC: TN873
Type: Master's thesis
Year: 2012
Downloads: 1
Quote: 0
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Abstract


After a period of development, LED display technology, as an emerging industrial technology, has been gradually becoming more mature. The examples of LED used for outdoor display media are numerous. Ranges of application are throughout many areas of finance, education, transport, quarantine, power and so on. The achievements are obvious to all. For example, the major event of the Beijing Olympic Games, Shanghai World Expo and other outdoor media campaigns rely mainly on the LED display. As technology continues to progress and development, however, the needs of the people working and living rising, the traditional single product has been difficult to meet the needs of the people in production and life. The technology means of traditional LED display system are more single, networking is almost no customer groups targeted, and is lack of in-depth exploration for the display of information security. This paper aims to propose a system based on the application of the mobile networks for small and medium-sized customer, and comparatively analysis of the specific application environment, features and technical characteristics of the traditional systemFirstly, this paper puts up the traditional system deficiencies, and then proposed the idea that establishing wireless display system for small and medium enterprises, personal. The subject of mobile network applications in the LED display system networking solutions were analyzed after the actual needs according to the system of GPRS network architecture of the application system specific. Researching for the information security issues of display system and by using spread spectrum, this paper proposed text watermarking scheme for the system. Finally, the overall program design is according to the application requirements of the system, it gives the complete system block diagram, and then Analysis and design of the interface circuit between the wireless communication module and with a microcontroller. System software design includes a microcontroller on the GPRS wireless network driver design. AT commands to establish a communications link between the wireless communication module and the control center server for the data transceiver. In order to achieve the pre-sent information extraction, encoding conversion, dot character collection program has been designed. This article Systematic analysis outdoor media display needs of small and medium-sized enterprise and provide a theoretical demonstration and system design.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Terminal equipment > Display device,the display
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