Near-Optimal Low-Complexity Harmonic Receiver for Unipolar-FSK
IEEE Wireless Communications Letters（2021）
Abstract
In this letter, we propose a near-optimal low-complexity 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 fro...
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Key words
Receivers,Harmonic analysis,Frequency shift keying,Complexity theory,AWGN channels,Discrete cosine transforms,Euclidean distance
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