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WAN Monitoring System and Implementation

Author: FuZuo
Tutor: JinBin
School: West China University
Course: Signal and Information Processing
Keywords: WAN GPRS Embedded EMC
CLC: TP393.2
Type: Master's thesis
Year: 2011
Downloads: 14
Quote: 0
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Abstract


To transfer from the computer network technology to the development of embedded systems. Selection of microprocessor hardware platforms such embedded systems is particularly important, compared with the industrial control computer, embedded processor has its own distinct advantages: rich product type, the technology is mature; and light weight, small size, low cost, relatively higher reliability, choice and performance to meet our requirements. How to better handle large embedded applications is a test of our embedded hardware performance. Real-time operating system and choice of embedded real-time software development is very important. Currently a variety of real-time operating systems have a wide range of all kinds of different software architecture, applied to a variety of environments with different complexity, the cyclic query system, front and back office systems, real-time multitasking system and multi-processor system. Choose the RTOS the importance of the monitoring stations and the whole WAN monitoring and control system is self-evident, because it may be related to the success or failure of the whole system we developed. Therefore, before you choose, we want to understand the characteristics and scope of various RTOS, compare their advantages and disadvantages, in order to find the most suitable one. WAN monitoring system is a traditional monitoring system based on wireless communication technology and communications processing technology and developed a new type of remote monitoring and control system. It provides a great convenience for people RMON site. General Packet Radio Service GPRS is the English abbreviation of General Packet Radio Service, is a new development on the existing GSM digital mobile communication system data bearer services. It mobile communications technology and IP technology combine to form a mobile IP network can connect seamlessly with the rapid development of fixed IP network, data, voice, image and multimedia services for mobile users in the form of packet switching. The GPRS service emergence of wireless monitoring system provides a whole new way of wireless data transmission. It has changed the recent past, wireless transmission transmission distance, a small amount of data transmission or real-time differential disadvantage, can provide cross-regional, high-speed, high-capacity, high real-time data transmission services. This paper first discusses the development status and trends of the wide area network monitoring system, then elaborated an overview of the whole system framework design, as well as some of the basic components of each module in the system. The subsequent complete system circuit design, circuit design, including the communication module core board design, the design of the power supply board, as well as monitoring and control module circuit board design. Next is a detailed description of the technical scheme of the data communication system, this system includes four communication protocol, respectively, is the local background and the communication protocol of the server the ADSL machine and the communication protocol of the server, the ADSL machine and the phone protocol, as well as measurement and control module and the communications server protocol. Finally, due to the problems of the working environment of the system module, anti-interference performance of the system on some of the measures taken by. Finally, this paper discusses the summary of the work has to be improved and to improve the place.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > Wide area network (WAN)
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