NDLI: Mitigation of Impulsive Noise Effect on the PLC Channel With QC

Content Provider	IEEE Xplore Digital Library
Author	Andreadou, N. Pavlidou, F.-N.
Copyright Year	1986
Abstract	In this paper, the characteristics of irregular quasicyclic-low-density parity check (QC-LDPC) codes are examined when they are applied on a highly impulsive noise channel, such as the power-line-communications (PLC) channel. We study two decoding algorithms: 1) the sum product and 2) the bit-flipping algorithm, and how they affect the system's performance. LDPC codes are introduced in combination with other coding schemes, such as Reed-Solomon and convolutional codes. We propose irregular QC-LDPC codes as outer codes for the PLC channel in combination with Reed-Solomon codes, due to their decoding characteristics. In addition, various code rates are used for each different coding scenario. We also test how common Reed-Solomon codes affect the system's performance, such as the RS(63, 53), RS(511, 431), RS(127, 107), and RS(255, 239) codes. Furthermore, we propose an altered version of the sum-product decoding algorithm to enable its operation when QC-LDPC codes are used as the outer coding scheme in combination with Reed-Solomon codes. Regarding the system's design, the orthogonal frequency-division multiplexing transmission technique is utilized. We also take Zimmermann's model into consideration for the PLC channel and Middleton's noise model.
Sponsorship	IEEE Power Engineering Society
Starting Page	1440
Ending Page	1449
Page Count	10
File Size	713366
File Format	PDF
ISSN	08858977
Volume Number	25
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Programmable control Decoding Parity check codes Convolutional codes Power system modeling Attenuation Reed-Solomon codes System testing Frequency division multiplexing Power cables power-line communications (PLC) Decoding algorithm inner codes low-density parity check codes (LDPC) outer codes
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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