NDLI: Effective Noise Cancellation Using Single-Carrier FDMA Transmission in Power-Line Channels

Content Provider	IEEE Xplore Digital Library
Author	Rabie, K.M. Alsusa, E.
Copyright Year	1986
Abstract	In power-line channels, impulsive noise (IN) is commonly reduced using a blanking technique in which the received signal is zeroed whenever it exceeds a certain threshold value. Determining an appropriate threshold, however, is critical to the performance of this technique as erroneously blanking unaffected parts of the signal will significantly degrade system performance. In this paper, we show that the performance of this technique is sensitive not only to the blanking threshold but also to the transmitted signal's peak-to-average power ratio (PAPR). With this in mind, we propose to implement single-carrier FDMA (SC-FDMA), which inherently has low PAPR, and address the issue of optimizing the blanking threshold for such a technique. The results reveal that significant improvements can be achieved with respect to the probability of blanking error, as well as achieving up to 4 dB signal-to-noise ratio (SNR) improvement relative to the conventional orthogonal frequency-division multiplexing case. Furthermore, it will be shown that in some cases of SC-FDMA, not only can a significant SNR enhancement be achieved but it is also possible to optimally blank IN irrespective of the noise characteristics.
Sponsorship	IEEE Power Engineering Society
Starting Page	2110
Ending Page	2117
Page Count	8
File Size	1886869
File Format	PDF
ISSN	08858977
Volume Number	29
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Blanking Peak to average power ratio Signal to noise ratio Frequency division multiaccess Discrete Fourier transforms single-carrier-frequency-division multiple access (SC-FDMA) impulsive noise interleaved FDMA (IFDMA) localized FDMA (LFDMA) power-line communications (PLC) signal-to-noise ratio (SNR)
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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