声明
Abstract
Table of Contents
Chapter 1 Introduction
1．1 Research Background
1．2 Intemational and Domestic Status
1．2．1 Public Switched Telephone Network(PSTN)
1．2．2 Power Line Communication Also Known As Power Line Carriers(PLC)
1．2．3 Mobile Cellular Networks
1．3 Modes of Messaging
1．4 Industrial Instrumentation Remote Monitoring Using GSM SMS
1．5 Material Content and Structure
Chapter 2 Feasibility and Methodology
2．1 System Feasibility Analysis
2．2 Remote Monitoring System
2．2．1 Central Monitoring Station
2．2．2 SMS Center
2．2．3 Remote Monitoring Station(Workstation)
2．3 System Requirements
2．4 Summary
Chapter 3 System Communication Design Concept
3．1 Basic Concepts of SMS Technology
3．1．1 Main Advantages of SMS
3．1．2 Operation
3．1．3 GSM／GPRS Modem Communication
3．1．4 Method of Using HyperTerminal to Send／Receive Messages to／from an SMS Entity
3．2 AT Commands
3．2．1 AT Commands for Remote Control using SMS
3．2．2 Sending Message Using AT Commands
3．2．3 Reading Messages Using AT Commands
3．2．4 Other AT Commands
3．3 Syntax used in SMS and PDU Mode
3．3．1 Text Mode
3．3．2 PDU Mode
3．4 Protocol Architecture and Packet Flow
3．5 Summary
Chapter 4 Database Design and Implementation
4．1 Software Design and Operation
4．2 VB and Database Design
4．2．1 Port Connection
4．3 Send SMS Module
4．4 Receive SMS Module
4．5 Database Management
4．6 Overview of Design
4．6．1 Log In
4．6．2 Main Menu
4．6．3 SMS Monitoring Information Form
4．6．4 The User Information Form
4．6．5 The Instrument Settings Form
4．6．6 Reports and Tables
4．6．7 Email
4．7 Summary
Chapter 5 Conclusion and Recommendation
5．1 Conclusion
5．2 Recommendation
References
Appendices
Acknowledgement
