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High frequency noise power spectrum, impedance and transmission loss of power line in Japan on intrabuilding power line communications

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1 Author(s)
Tanaka, M. ; Dept. of Inf. & Comput. Sci., Toyohashi Univ. of Technol., Japan

A communication system for small-scale local area networks using the power transmission line is discussed. With this application in mind and noise power spectrum of a power line at 10 kHz-100 MHz and the impedance characteristics and transmission loss of a power line in the high frequency band (10 kHz-20 MHz) have been measured. Both narrowband and wideband data transmission are considered. The transmission loss of the power line increases with frequency, whereas the intensity of the noise power spectrum decreases rapidly. This means that power line communication by a single-sideband system is possible using a wide frequency band up to 100 MHz. However, the noise, impedance, and transmission characteristics vary greatly with frequency, so special considerations such as line impedance stabilization networks and other techniques are necessary

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Consumer Electronics, IEEE Transactions on  (Volume:34 ,  Issue: 2 )