Apparatus for modulating and demodulating multiple channel FSK in power line communication system
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United States of America Patent
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Issued Date -
Jan 9, 2003
app pub date -
Jan 23, 2002
filing date -
May 16, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a technique for modulating a signal to be transmitted by multiple channel frequency shift keying, transmitting the same through a power line and then demodulating it easily by frequency conversion. By the multiple channel frequency shift keying (FSK) modulation, attenuation or distortion caused by noise and multi-path fading in a power line communication channel can be prevented, and the performance for phase response characteristics can be improved.
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