Electro-Optic Technology Application, Volume. 33, Issue 1, 60(2018)
Frequency-domain Blind Equalization Algorithm Simulation for Mode-division Multiplexing System
The effects of mode coupling and difference mode group delay on signal transmission in mode-division multiplexing system can be compensated with equalization to realize signal reliable transmission. Compared with time-domain equalization, frequency-domain equalization can effectively reduce digital signal processor (DSP) complexity. FD-CMA (frequency-domain constant modulus algorithm) and FD-MMA (frequency-domain multi-modulus algorithm) are used to simulate and compare in 2×56 Gb/s 16QAM mode-division multiplexing system. The results show that the equalization performance of FD-MMA is better than FD-CMA in constellation diagram and bit error rate (BER) performance. At the error bit rate of 10-3, FD-MMA has a 2.8 dB improvement of optical signal-to-noise ratio than FD-CMA.
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JIN Wei-na, WANG Mu-guang. Frequency-domain Blind Equalization Algorithm Simulation for Mode-division Multiplexing System[J]. Electro-Optic Technology Application, 2018, 33(1): 60
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Received: Jan. 30, 2018
Accepted: --
Published Online: Apr. 23, 2018
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CSTR:32186.14.