NDLI: Low Complexity Turbo Equalisation for Power Line Communications

Content Provider	IEEE Xplore Digital Library
Author	Adebisi, B. Giovaneli, C.L. Honary, B. Mowlavi, M.
Copyright Year	2007
Description	Author affiliation: Lancaster Univ., Lancaster (Adebisi, B.; Giovaneli, C.L.)
Abstract	Due to the highly dispersive nature of the power line channel, there has been a strong trend towards the use of orthogonal frequency division multiplexing (OFDM) modulation for wideband power line communications (PLC). However, OFDM modulation has the drawbacks of high peak-to-average power ratio and increased sensitivity to carrier synchronisation errors. On the other hand, single-carrier (SC) modulation techniques do not suffer from these problems and they are widely used in low-rate narrowband PLC. For broadband PLC, however, the strong intersymbol interference (ISI) introduced by the power line channel calls for the use of powerful coding and equalisation techniques, such as turbo coding/equalisation. In this paper, we investigate the performance of the so-called soft interference cancellers (SIC) techniques for turbo equalisation (TE) in PLC applications. The results of simulations over powerline channels with different amounts of memory show that, after performing some number of iterations, the SIC-based TE scheme outperforms a COFDM system that uses the same turbo code, over the entire range of SNR values.
Starting Page	385
Ending Page	389
File Size	165314
Page Count	5
File Format	PDF
ISBN	1424410894
DOI	10.1109/ISPLC.2007.371155
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	Power line communications Programmable control OFDM modulation Intersymbol interference Turbo codes Tellurium Dispersion Wideband Peak to average power ratio Frequency synchronization soft interference cancellation equalisers frequency-selective fading channels turbo equalisation
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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