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Mitigation of Effect of Impulsive Noise for OFDM Systems over Power Line Channels
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- Authors
- Issue Date
- 2008-04
- Citation
- IEEE International Symposium on Power Line Communications and Its Applications(ISPLC) '2008, pp. 386-390, Jeju, Korea. 2008
- Keywords
- Power line communication (PLC) ; orthogonal frequency-division multiplexing (OFDM) ; impulsive noise ; channel estimation
- Abstract
- Impulsive noise introduces significant time variance
into the power line channel and causes performance degradation
of orthogonal frequency division multiplexing (OFDM) systems.
In this paper, we provide a performance analysis for
OFDM-based power line communications in the presence of
impulsive noise. Performance degradation of coherent M-ary PSK
and differential MPSK can be mitigated by a signal level limiter.
Simulation results present that the optimum signal level can
significantly improve the performance of OFDM systems over
power line channels with impulsive noise.
- Language
- English
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