A novel precoding and impulsive noise mitigation scheme for MIMO power line communication systems

Abstract

Power line communications (PLCs) enable new and flexible networking functions in smart grids. However, due to the high attenuation and interference, it is a great challenge for PLC to achieve reliable and high data rate transmissions. Thus, we propose a multiple-input multiple-output (MIMO) architecture to improve the reliability and data rate for PLC networks. In viewing the data rate requirements of in-home PLC network systems, we develop a precoding scheme to maximize the system throughput. In harmonizing to the proposed precoding scheme, the closed-form of the sum data rate of the PLC-MIMO channel is derived. To improve the communication reliability, we propose a partial transmission sequence (PTS) based algorithm to mitigate the noise in PLC channels. The closed-form of the symbol error rate (SER) is derived according to the probability density function of the impulsive noise in PLC channels. Simulation results demonstrate that the proposed precoding scheme achieves a better throughput when compared to the conventional precoding schemes. Furthermore, the PTS-based noise mitigation algorithm significantly improves the SER performance of PLC links.

Original language	English
Article number	8556054
Pages (from-to)	6-17
Number of pages	12
Journal	IEEE Systems Journal
Volume	13
Issue number	1
DOIs	https://doi.org/10.1109/JSYST.2018.2880962
Publication status	Published - 1 Mar 2019

Keywords

Impulsive noise
Multi-input multi-output
Power line communications (PLCs)
Precoding
Smart grid

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering

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10.1109/JSYST.2018.2880962

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Qian, Y., Zhou, X., Li, J., Shu, F., & Jayakody, D. N. K. (2019). A novel precoding and impulsive noise mitigation scheme for MIMO power line communication systems. IEEE Systems Journal, 13(1), 6-17. [8556054]. https://doi.org/10.1109/JSYST.2018.2880962

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abstract = "Power line communications (PLCs) enable new and flexible networking functions in smart grids. However, due to the high attenuation and interference, it is a great challenge for PLC to achieve reliable and high data rate transmissions. Thus, we propose a multiple-input multiple-output (MIMO) architecture to improve the reliability and data rate for PLC networks. In viewing the data rate requirements of in-home PLC network systems, we develop a precoding scheme to maximize the system throughput. In harmonizing to the proposed precoding scheme, the closed-form of the sum data rate of the PLC-MIMO channel is derived. To improve the communication reliability, we propose a partial transmission sequence (PTS) based algorithm to mitigate the noise in PLC channels. The closed-form of the symbol error rate (SER) is derived according to the probability density function of the impulsive noise in PLC channels. Simulation results demonstrate that the proposed precoding scheme achieves a better throughput when compared to the conventional precoding schemes. Furthermore, the PTS-based noise mitigation algorithm significantly improves the SER performance of PLC links.",

keywords = "Impulsive noise, Multi-input multi-output, Power line communications (PLCs), Precoding, Smart grid",

author = "Yuwen Qian and Xiangwei Zhou and Jun Li and Feng Shu and Jayakody, {Dushantha Nalin K.}",

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