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Journal articles
Near-Optimal Low-Complexity Harmonic Receiver for Unipolar-FSK
Abstract : In this letter, we propose a near-optimal lowcomplexity frequency-domain (FD) harmonic receiver for visible light communication based unipolar frequency-shift keying (U-FSK). The time-domain (TD) maximum-likelihood (ML) receiver for U-FSK is computationally complex, while the sub-optimal receiver increases the noise variance. The proposed harmonic receiver determines the transmitted frequency from the crosscorrelations between the FD received waveform and the FD dictionary waveforms reduced to their strongest harmonics. The results shall demonstrate that besides affording a linerarithmic complexity, the performance of the harmonic receiver closely approaches that of TD ML receiver which exhibits quadratic complexity.
https://hal.archives-ouvertes.fr/hal-03324540
Contributor : Laurent Ros Connect in order to contact the contributor
Submitted on : Monday, August 23, 2021 - 4:46:07 PM
Last modification on : Friday, April 1, 2022 - 3:45:31 AM
Long-term archiving on: : Wednesday, November 24, 2021 - 7:02:28 PM
Contributor : Laurent Ros Connect in order to contact the contributor
Submitted on : Monday, August 23, 2021 - 4:46:07 PM
Last modification on : Friday, April 1, 2022 - 3:45:31 AM
Long-term archiving on: : Wednesday, November 24, 2021 - 7:02:28 PM
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AZIM_WCL2021-1182.pdf
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