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서민상(Min-Sang Seo),성석경(Seuk-Kyung Sung),안병규(Byung-Gyu Ann) 전력전자학회 1997 전력전자학술대회 논문집 Vol.1997 No.-
Localized communication networks Dr office<br/> automation, security monitoring. environmental management of buildings, computer communications. and other applications enjoy every increasing demand This paper proposes a direct sequence spread spectrum communication system rot use in power line data transmission Advantages of power distribution circuits include reasonably universal coverage and easy access vis a standard wall plug Disadvantages include limited communication bandwidth, relatively high noise levels, and varying levels of impedance, noise, and attenuation Spread spectrum signalling provides immunity to narrow-band signal impairments and multiplexing capability <br/> Our protorype power line communication module supporty completely physical and data link layers based on the international standard ISO 10368 for reliable high-speed power line communication system Moreover it provides useful functions to compose a plant monitoring and control system All the circuits of the communication module are included in one compact circuit Thus a functional communication system for the power line plant monitoring and control is implemented.
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