Abstract
This paper proposes a novel minimum shift keying (MSK) modulated filter bank multi-carrier (FBMC) system. It can improve the signal performance by suppressing the interference among subcarriers. The spectral efficiency can be improved due to the absence of cyclic prefix in the system. In the experiment, a 15.67Gb/s MSK-FBMC signal is transmitted over 80km single mode fiber successfully. The performance of FBMC based multicarrier system outperforms that of fast Fourier transforms (FFT) based multicarrier system by 0.9dB. Compared with QPSK mapping, 1dB optical signal to noise ratio (OSNR) improvement is obtained with MSK mapping under a normalized residual frequency offset of 0.2.
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