Circular Real Sine/Cosine Gabor Transform Modulator for Power Line Communication

Circular Real Sine/Cosine Gabor Transform Modulator for Power Line Communication

The paper addresses a problem of designing efficient multi-carrier modulation/demodulation scheme appropriate for non-stationary PLC channel characterized by different types of synchronous and asynchronous impulsive noise. In such circumstances an applied transmultiplexer scheme should minimize a sp...

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Hauptverfasser: Turcza, P., Zbydniewski, L., Zielinski, T.P.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Background noise
Colored noise
Demodulation
DSL
Narrowband
Noise level
OFDM modulation
Power line communications
Programmable control
Time frequency analysis
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Zbydniewski, L.
Zielinski, T.P.
description The paper addresses a problem of designing efficient multi-carrier modulation/demodulation scheme appropriate for non-stationary PLC channel characterized by different types of synchronous and asynchronous impulsive noise. In such circumstances an applied transmultiplexer scheme should minimize a spectral leakage of wide-band disturbances to many carriers. In the paper application of circular (periodic) real sine/cosine-modulated Gabor transform with window having high sidelobes' attenuation is proposed. The presented approach is compared against standard OFDM modulator, and its advantages are shown, coming from usage of appropriate time-frequency data tiling within each transmitted frame.
doi_str_mv 10.1109/GLOCOM.2007.32
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Background noise
Colored noise
Demodulation
DSL
Narrowband
Noise level
OFDM modulation
Power line communications
Programmable control
Time frequency analysis
title Circular Real Sine/Cosine Gabor Transform Modulator for Power Line Communication
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