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Mitigation of Effect of Impulsive Noise for OFDM Systems over Power Line Channels

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Authors
Kim, Seong-Cheol; Kim, Kwan-Ho; Oh, Hui-Myoung; Kim, Kyong-Hoe; Kim, Yong-Hwa
Issue Date
2008-04
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
IEEE International Symposium on Power Line Communications and Its Applications(ISPLC) '2008, pp. 386-390, Jeju, Korea. 2008
Keywords
Power line communication (PLC)orthogonal frequency-division multiplexing (OFDM)impulsive noisechannel estimation
Abstract
Impulsive noise introduces significant time variance
into the power line channel and causes performance degradation
of orthogonal frequency division multiplexing (OFDM) systems.
In this paper, we provide a performance analysis for
OFDM-based power line communications in the presence of
impulsive noise. Performance degradation of coherent M-ary PSK
and differential MPSK can be mitigated by a signal level limiter.
Simulation results present that the optimum signal level can
significantly improve the performance of OFDM systems over
power line channels with impulsive noise.
Language
English
URI
http://www.isplc2008.org

http://hdl.handle.net/10371/7419
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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