On Impedance Matching in a Power-Line-Communication System

被引：21
作者：
De Piante, Marco [1 ]
Tonello, Andrea M. [2 ]
机构：
[1] Univ Udine, WiPLi Lab, I-33100 Udine, Italy
[2] Univ Klagenfurt, EcoSys Lab, A-9020 Klagenfurt, Austria
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2016年 / 63卷 / 07期
关键词：
Channel capacity; impedance matching; power-line communication (PLC); WAVES;
D O I：
10.1109/TCSII.2016.2530218
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：
Impedance matching plays an important role in a power-line-communication system. We investigate the effect on the signal-to-noise ratio at the receiver and on the system capacity of three different impedance matching criteria at the transmitter, assuming broad-band communication. We show that optimal impedance matching shall maximize the amplitude of the signal voltage at the channel input port. Since the line impedance exhibits highly frequency-dependent behavior, simplified impedance matching criteria are also proposed.
引用
收藏
页码：653 / 657
页数：5
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