The power line transmission characteristics for an OFDM signal

被引：0
|
作者：
Mori, A. [1 ,2 ]
Watanabe, Y. [1 ,2 ]
Tokuda, M. [1 ,2 ]
Kawamoto, K. [2 ]
机构：
[1] Musashi Inst Technol, Tokyo 158, Japan
[2] Sumitomo Elect Ind Ltd, Informat & Commun Labs, Konohana Ku, Osaka 5540024, Japan
来源：
PIERS 2006 CAMBRIDGE: PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM, PROCEEDINGS | 2006年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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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页码：74 / +
页数：2
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