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In this paper, we propose clipping noise cancellation scheme using compressedsensing (CS) for orthogonal frequency division multiplexing (OFDM) systems. Inthe proposed scheme, only the data tones with high reliability are exploited inreconstructing the clipping noise instead of the whole data tones. Forreconstructing the clipping noise using a fraction of the data tones at thereceiver, the CS technique is applied. The proposed scheme is also applicableto interleaved orthogonal frequency division multiple access (OFDMA) systemsdue to the decomposition of fast Fourier transform (FFT) structure. Numericalanalysis shows that the proposed scheme performs well for clipping noisecancellation of both OFDM and OFDMA systems.

Clipping Noise Cancellation for OFDM and OFDMA Systems Using Compressed Sensing