Abstract

AbstractIn this paper, we present a single-input, single-output (SISO) and multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) (SISO/MIMO-OFDM) based power line communication (PLC) scheme using maximum ratio combining (MRC), which is applicable to various future high-speed data services via power line like Smart Grid. We employ the Zimmerman frequency model as multipath power line fading channel and the Middleton’s Class A model as impulse noise channel. In order to improve the 3-phase (MIMO) or single-phase (SISO) PLC performance, we introduce a new MRC effectively summing up both multiple antenna diversity gain and multipath fading diversity gain. Via computer simulation, we proved the performance advantage of the proposed SISO/MIMO over the existing SISO/MIMO.KeywordsMaximum ratio combining (MRC)MIMOOFDMPower line communication (PLC)SISO

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