Impulse noise mitigation based on computational intelligence for improved bit rate in PLC-DMT

This paper introduces a modified version of the discrete multi-tone transceiver (DMT) to increase the data rate in broadband power-line communications (PLC). Basically, a computational-intelligence technique trained by a second-order optimization method is applied to mitigate the high-power impulse...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2006-01, Vol.21 (1), p.94-101
Main Authors: Ribeiro, M.V., Lopes, Rd.R., Romano, J.M.T., Duque, C.A.
Format: Article
Language:English
Subjects:
Additive noise
Applied sciences
Bit rate
Broadband
Broadband communication
Channels
Communication systems
Computation
Computational intelligence
data communication
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
frequency-division multiplexing
impulse noise
Impulses
Intelligence
multipath channels
neural networks
Noise
OFDM modulation
Operation, maintenance, reliability
Operation. Load control. Reliability
Optimization
Optimization methods
Power networks and lines
power system communication
Programmable control
Signal to noise ratio
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transceivers
Working environment noise
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Summary:This paper introduces a modified version of the discrete multi-tone transceiver (DMT) to increase the data rate in broadband power-line communications (PLC). Basically, a computational-intelligence technique trained by a second-order optimization method is applied to mitigate the high-power impulse noise, while the DMT copes with the severe intersymbol interference observed in power-line channels. The masking of the impulse noise enhances the signal-to-noise ratio in each DMT subchannel. As a result, a high number of bits can be allotted to each subchannel for a given error probability. The simulation results reveal that the proposed PLC-DMT solution outperforms, in terms of the data rate, traditional PLC-DMT over different environments, especially in the presence of additive high-power impulse noise.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2005.852271