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Orthogonal frequency-division multiplexing
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===Advantages over standard OFDM=== W-OFDM is an evolution of the standard OFDM, with certain advantages. Mainly, the sidelobe levels of W-OFDM are lower. This results in less ICI, as well as greater robustness to narrowband interference. These two properties are especially useful in PLC, where most of the lines aren't shielded against EM-noise, which creates noisy channels and noise spikes. A comparison between the two modulation techniques also reveals that the complexity of both algorithms remains approximately the same.<ref name=WaveletOFDM/>
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