Joint Peak Amplitude and Impulsive Noise Clippings in OFDM-based Power Line Communications

被引：0
|
作者：
Juwono, Filbert H. [1 ]
Guo, Qinghua [1 ]
Huang, Defeng [1 ]
Wong, Kit Po [1 ]
机构：
[1] Univ Western Australia, Sch Elect Elect & Comp Engn, Nedlands, WA 6009, Australia
来源：
2013 19TH ASIA-PACIFIC CONFERENCE ON COMMUNICATIONS (APCC): SMART COMMUNICATIONS TO ENHANCE THE QUALITY OF LIFE | 2013年
关键词：
PLC; OFDM; impulsive noise; peak amplitude clipping; impulsive noise clipping nonlinearities;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Impulsive noise is one of the main channel impairments in orthogonal frequency division multiplexing (OFDM)based power line communications (PLC). Clipping nonlinearites such as conventional clipping, blanking, joint blanking/clipping, and deep clipping have been proposed to mitigate the impulsive noise. However, OFDM systems result in high peak amplitude after inverse discrete Fourier transform (IDFT) at the transmitter, which leads to large peak-to-average power ratio (PAPR). High peak amplitude can be falsely clipped by the impulsive noise clipper at the receiver leading to poor system performance. In this paper we propose a joint peak amplitude clipping and impulsive noise clipping nonlinearities to improve the bit error rate (BER) performance.
引用
收藏
页码：567 / 571
页数：5
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