POWER LINE COMMUNICATION AN ESSENTIAL TOOL FOR DIGITAL BANGLADESH
An estimation for the power line communications (PLC) for Bangladesh is made referring various technical research papers and
current Journals. The aim of this study is to identify essential aspect of the power line communications for both domestic and
outdoor application and the use of consumer communication when various possible services are developed worldwide
commercially [1,9]. Possible services, bandwidth, service area, quality, reliability, and the cost are also taken into considerations.
The signal in a transmission line is impaired by the presence of unwanted extraneous signals (noise and interference) on the line.
The frequency dependent characteristics of the transmission line are also responsible to impair the transmission of signals along
the lines. Noise and interference, with its presence tends to impede the reception of the desired signal and is usually the limiting
factor in its detection. Noise is usually composed of randomly occurring voltages, which are unrelated in phase or frequency and
may sometimes be of a very peak in nature. Interference on the other hand is usually more structured than noise since it arises as
unwanted coupling from just a few signals in the network. In this paper a brief discussion of noise in a power line environment
and need for power line communication in Bangladesh is presented as an essential tool for digital Bangladesh.
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 Yasuhito KAIZAWA, Gen MARUBAYASHI "Needs for the Power Line Communications" Institute for Information Systems Science, Soka University 1-236 Tango-cho, Hachioji, Tokyo 192-0003, JAPAN
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