NDLI: A Systematic Technique for Estimating Multipath Parameters of Power-Line Communication Channel

Content Provider	IEEE Xplore Digital Library
Author	Hui-Myoung Oh Sungsoo Choi Young Sun Kim Jae-Jo Lee
Copyright Year	2007
Description	Author affiliation: Korea Electrotechnol. Res. Inst., Uiwang (Hui-Myoung Oh; Sungsoo Choi; Young Sun Kim; Jae-Jo Lee)
Abstract	In recent years, the channel measurement method using PN sequence have been suggested as the best choice for power-line communication (PLC) channel with respect not only that it can give the complex impulse response which can be converted to the frequency response but also that it can be effectively adopted even over noisy and long-length power line channel. However, finding each multipath from the measured impulse response is still challengeable. In this paper, we introduce the noble technique systematically finding each multipath from the measured complex impulse response using matrix operation. This technique is more applicable to estimating the excess delay of each multipath for power-line channel because the impulse response of power line channel has the first path with the smallest attenuation. The simulation results show that we can get the high resolution time delay and the attenuation factors corresponding to the multipaths. The estimated time delays and attenuation factors will facilitate the analysis of the PLC channel with multipaths.
Starting Page	261
Ending Page	266
File Size	4682518
Page Count	6
File Format	PDF
ISBN	1424410894
DOI	10.1109/ISPLC.2007.371134
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Parameter estimation Communication channels Programmable control Attenuation Delay estimation Delay effects Multipath channels Power engineering and energy Frequency response Data communication Power-Line Communications (PLC) Hermitian Toeplitz Matrix High Resolution Estimation Impulse Response Multipath Channel
Content Type	Text
Resource Type	Article

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