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Corresponding Author

Abd-Rabol, El-H.

Subject Area

Electrical Engineering

Article Type

Original Study

Abstract

The increased demands of communications make the power supply on a way to migrate from a pure power distribution system to a multipurpose medium delivering power, voice and various data services. Transmission and distribution lines are considered as communication channels. A number of practical parameters have to be studied for appropriate design of any communications system. The main parameters of interest of the power lines as a data communications channel are: additive noise characteristics, modulation techniques and signal attenuation over the transmission line. This paper presents an analytical study of the main parameters of PLC system. A Matlab computer program is developed to analyze these parameters and can be used for designing PLC channels. The developed computer program is helpful in comparing different modulation methods and can be used to simulate different additive noise affecting the PLC channel and consequently design the appropriate filter

Keywords

Power line carrier; Noise; Modulation; Attenuation; PLC transfer model

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