Chinese Optics Letters, 2014, 12 (4): 040604, Published Online: Apr. 10, 2014
Data-aided channel estimation and frequency domain equalization of minimum-shift keying in optical transmission systems
060.2330 Fiber optics communications 060.2360 Fiber optics links and subsystems 060.1660 Coherent communications
Abstract
We demonstrate a digital optical communication system based on minimum shift keying (MSK) signal transmission with coherent detection. 5-Gb/s MSK signal can transmit over a 160-km standard single mode fiber (SSMF) without phase compensation. At the receiver, we use data-aided channel estimation and frequency domain equalization (FDE) techniques in the digital signal processing (DSP) algorithm, then analyze its performance characteristics compared with quadrature phase shift keying (QPSK) format. The simulation results show that the MSK format will be a potential candidate for next-generation access network.
Dingxin Xie, Jing He, Lin Chen, Jin Tang, Ming Chen. Data-aided channel estimation and frequency domain equalization of minimum-shift keying in optical transmission systems[J]. Chinese Optics Letters, 2014, 12(4): 040604.