NDLI: Study of Channel Characteristics of Power Line Communications Networks

Content Provider	IEEE Xplore Digital Library
Author	Zhai Mingyue Liu Chunying Bi Haiying
Copyright Year	2005
Description	Author affiliation: North China Electric Power University (Beijing) (Zhai Mingyue)
Abstract	Channel characteristics of Power line is very important because power line is not designed for data transmission and hostile for communications. This paper presents the testing results of channel properties of power line communications networks in China. According to the nature of distribution networks, office blocks and residential buildings are tested respectively. The testing results show that the main reason influencing the reliable communication of highspeed data of power line is the attenuation of the highfrequency signal, which exhibits more obviously in the branch of power line. For the multi-layer building, it is almost impossible to use the frequency range from 2MHz to 20MHz to realize the reliable communication from distribution transformer to each user, and it must be solved with the aid of such means as the repeater etc. Considering the signals attenuation, the lower frequency range is more suitable for the high-speed data communication of power line. So the frequency range of 2MHz-10MHz is suitable for the high-speed data access system of power line. For the question of attenuation, it can be solved with the aid of relaying technique.
Starting Page	174
Ending Page	176
File Size	169228
Page Count	3
File Format	PDF
ISBN	0769524052
DOI	10.1109/PDCAT.2005.229
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-05
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power line communications Data communication Testing Frequency Attenuation Buildings Communications technology Power supplies Bismuth Data engineering
Content Type	Text
Resource Type	Article

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