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MIMO-OFDM BPLC over Statistical Power Line Channels with Cross-Talk
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 Title & Authors
MIMO-OFDM BPLC over Statistical Power Line Channels with Cross-Talk
Yoo, Jeong-Hwa; Choe, Sang-Ho; Pine, Nazcar;
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In this paper, we present a MIMO-OFDM broadband power line communication (BPLC) for Smart Grid and its associated applications and analyze its performance over the 3-phase 4-wire power line channels. For practical BPLC system simulation, we adopt the statistical power line fading channel model instead of the existing deterministic fading channel models (Zimmermann model, MTL model, and so on). In this paper, we implement and MIMO schemes using 3-phase 4-wire power lines. We investigate the capacity loss and BER performance of the proposed MIMO system by considering the effect of cross-talk between antenna paths. We choose space-frequency coding in order to reduce frequency interference between subcarriers and employ maximum ratio combining (MRC) that achieves both multiple antenna path diversity gain and multiple fading path diversity gain. We evaluate the proposed system performance through computer simulation in terms of the impulse noise index and the capacity loss ratio and compare the different signal combining schemes including MRC, equal gain combing (EGC), and selection combining (SC).
Broadband Power Line Communication (BPLC);MIMO;OFDM;Maximum Ratio Combining (MRC);
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