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首页> 外文期刊>Journal of Communications >Capacity Analysis of Broadband Relaying Systems for Low-Voltage Powerline Communications
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Capacity Analysis of Broadband Relaying Systems for Low-Voltage Powerline Communications

机译：低压电力线通信宽带中继系统的容量分析

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摘要

Low-Voltage Powerline Communications (LV PLC) is a favorable information exchange scheme for many Smart Grid (SG) applications. In this paper we focus on the broadband dual-hop relaying systems over LV PLC channel in which the relay node operates in either Amplify-and-Forward (AF) or Decode-and-Forward (DF) relaying protocol. The closed-form expressions of capacities for non-cooperative and cooperative relaying systems are derived. Numerical simulations reveal the performances in AF and DF modes in terms of the system capacity, which are complying with Electromagnetic Compatibility (EMC) regulations in the United States, European Union and Germany respectively. It's shown that relaying LV PLC systems can obtain significant capacity improvement compared with Direct Transmission (DT) when the transmission distance is greater than a certain threshold. In addition, the effect of the relay locations to the relaying system capacity is analyzed in this paper.
机译：低压电力线通信（LV PLC）是许多智能电网（SG）应用程序的理想信息交换方案。在本文中，我们专注于LV PLC通道上的宽带双跳中继系统，其中中继节点以放大转发（AF）或解码转发（DF）中继协议运行。推导了非合作和合作中继系统容量的封闭形式。数值模拟显示了在AF和DF模式下系统容量方面的性能，分别符合美国，欧盟和德国的电磁兼容性（EMC）法规。结果表明，当传输距离大于某个阈值时，与直接传输（DT）相比，中继LV PLC系统可以显着提高容量。此外，本文还分析了中继位置对中继系统容量的影响。

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