THE POWER LINE TRANSMISSION CHARACTERISTICS FOR AN OFDM SIGNAL | Zendy

Akira Mori | Zendy; Yosuke Watanabe | Zendy; Masamitsu Tokuda | Zendy; Koji Kawamoto | Zendy

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THE POWER LINE TRANSMISSION CHARACTERISTICS FOR AN OFDM SIGNAL

Author(s) -

Akira Mori,

Yosuke Watanabe,

Masamitsu Tokuda,

Koji Kawamoto

Publication year - 2006

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier06042207

Subject(s) - orthogonal frequency division multiplexing , signal (programming language) , power line communication , power (physics) , transmission (telecommunications) , line (geometry) , electronic engineering , computer science , transmission line , telecommunications , electrical engineering , physics , engineering , mathematics , channel (broadcasting) , geometry , quantum mechanics , programming language

—In this paper, we measured what influence the sinusoidal transmission characteristics of the electric power line with various forms gave to the transmission characteristic of OFDM (Orthogonal Frequency Division Multiplexing) signal through PLC (power line communication system) modem. The electric power line transmission line with various forms in a real environment is classified into two basic elements, which are an outlet type branch and a switch type branch. Next, PHY rate (Physical rate) is measured for each basic element connected with the PLC modem. At this time, the transmission characteristics of the electric power line are simulated from measured data. OFDM sending and receiving systems are composed,on the computer, and the PHY rate is simulated. By comparing with measured and calculated values, it is revealed that PHY rate of PLC modem,is most affected in the case of the power line transmission characteristics having broad band and high level attenuation and is not affected in the case of that having narrow band group delay variation.

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