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The Research of Telemetry and Remote Control System Based on Powerline Carrier Communications

Author: SongXiaoHua
Tutor: JiaZhiCheng
School: Hebei University of Technology
Course: Communication and Information System
Keywords: Power Line Carrier Communication Channel interference Modem Remote sensing and control PL3106
CLC: TM73
Type: Master's thesis
Year: 2011
Downloads: 51
Quote: 0
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Abstract


Power Line Communication (Power Line Communication), referred to as the PLC, is the use of a means of communication of the power line to transmit data and voice signals . It is built on the basis of the power distribution network , to achieve the communication between the power line communication network within the node , and other communication networks , power line communication without rewiring cost , is an important application significance communication mode . The system design of a multi-objective telemetry remote power line carrier communication system , mainly by the master management center , power line carrier communication transmission unit and data collection terminal has three major components . Topics focus on research of power line carrier communication technology , the system of research content is to establish the basis of the communication channel of focusing characteristics of low-voltage power line letter Road 's , mainly including transmission line interference characteristics , channel noise and letter channel attenuation and other characteristics . In -depth study of the spread spectrum communication and OFDM modulation and demodulation techniques based on the background to power the remote meter reading system , suitable for low-voltage power line carrier communication scheme proposed , the chosen the special chip PL3106 design the power amplifier circuit , transmission and reception circuit filter coupling circuit. Completed carrier communication based on hardware design , software and communication protocol design , the other proposed uses forward error correction and automatic repeat request retransmission mechanism combined error handling method effectively solve the interference error ; through the System View communication simulation software simulation code channel coding intertwined to solve the power line channel burst interference in order to improve the reliability and validity of the information transmission . Finally, the master management system maintenance and management , data reception and storage , alarm system , device control function , the final completion of remote sensing and control system based on power line carrier communication .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system scheduling, management, communication
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