[1] Pakala L, Schmauss B. Extended Kalman filtering for joint mitigation of phase and amplitude noise in coherent QAM systems[J]. Optics Express, 2016, 24(6): 6391-6401.
[2] Feng Y, Li L, Lin J, et al. Joint tracking and equalization scheme for multi-polarization effects in coherent optical communication systems[J]. Optics Express, 2016, 24(22): 25491.
[3] Shieh W, Yi X, Ma Y, et al. Coherent optical OFDM: Has its time come [J]. Journal of Optical Networking, 2008, 7(3): 234-255.
[4] Armstrong J. OFDM for optical communications[J]. Journal of Lightwave Technology, 2009, 27(3): 189-204.
[5] Shieh W, Athaudage C. Coherent optical orthogonal frequency division multiplexing[J]. Electronics Letters, 2006, 42(10): 587-589.
[6] Yang Qi, Yu Shaohua. Tb/s ultra long haul transmission of coherent optical OFDM[J]. Chinese Science Bulletin, 2014, 59(16): 1497-1507.
[8] Zhang Shuai, Bai Chenglin, Luo Qinglong, et al. Optimization of channel estimation for coherent optical OFDM systems with MMSE method[J]. Journal of Optoelectronics·Laser, 2013, 24(3): 508-513.
[10] Li Bao, Yu Jianjun, He Jing, et al. Estimation and compensation of sampling clock frequency offset in coherent optical OFDM systems with a pilot-aided method[J]. Acta Photonica Sinica, 2015, 44(1): 0106003.
[11] Deng Mingliang, Yi Xingwen, Yu Zhenming, et al. Improving the fiber nonlinear tolerance based on constant envelope modulation for CO-OFDM systems[J]. Journal of Optoelectronics·Laser, 2013, 24(10): 1922-1929.
[12] Yi X W, Shieh W, Tang Y. Phase estimation for coherent optical OFDM[J]. IEEE Photonics Technology Letters, 2007, 19(12): 919-921.
[13] Mousa-Pasandi M E, Plant D V. Noniterative interpolation-based partial phase noise ICI mitigation for CO-OFDM transport systems[J]. IEEE Photonics Technology Letters, 2011, 23(21): 1594-1596.
[14] Chung W. A matched filtering approach for phase noise suppression in CO-OFDM system[J]. IEEE Photonics Technology Letters, 2011, 22(24): 1802-1804.
[16] Zhao Bo, Li Li, Han Li, et al. Phase noise compensation method based on RORC for CO-OFDM systems[J]. Journal of Optoelectronics·Laser, 2016, 27(1): 31-37.
[17] Su Zhenzhen, Xu Yi, Dong Ying, et al. Channel estimation based on analysis of phase noise compensation for CO-OFDM system[J]. Journal of Optoelectronics·Laser, 2013, 24(11): 2135-2141.
[18] Zhou X, Yang X L, Li R, et al. Efficient joint carrier frequency offset and phase noise compensation scheme for high-speed coherent optical OFDM systems[J]. Journal of Lightwave Technology, 2013, 31(11): 1755-1761.
[19] Hong X, Hong X, He S. Linearly interpolated sub-symbol optical phase noise suppression in CO-OFDM system[J]. Optics Express, 2015, 23(4): 4691-4702.
[20] Le S T, Kanesan T, Giacoumidis E, et al. Quasi-pilot aided phase noise estimation for coherent optical systems[J]. IEEE Photonics Technology Letters, 2014, 26(5): 504-507.
[21] Hong X J, Hong X Z, He S L. Low-complexity optical phase noise suppression in CO-OFDM system using recursive principal components elimination[J]. Optics Express, 2015, 23(18): 24077.
[22] Liu Y, Yang C C, Li H B. Cost-effective and spectrum-efficient coherent TDM-OFDM-PON aided by blind ICI suppression[J]. IEEE Photonics Technology Letters, 2015, 27(8): 887-890.
[23] Mousapasandi M E, Plant D V. Zero-overhead phase noise compensation via decision-directed phase equalizer for coherent optical OFDM[J]. Optics Express, 2010, 18(20): 20651-20660.
[24] Wang Lingzi, Tang Xianfeng, Zhang Xiaoguang, et al. Blind phase estimation algorithms based on decision-directed and decision-feedback in PDM-CO-OFDM systems[J]. Chinese J Lasers, 2014, 41(3): 0305001.
[25] Cao S, Kam P, Yu C. Decision-aided, pilot-aided, decision-feedback phase estimation for coherent optical OFDM[J]. IEEE Photonics Technology Letters, 2012, 24(22): 2067-2069.
[26] Ren H L, Cai J X, Ye X, et al. Decision-aided ICI mitigation with time-domain average approximation in CO-OFDM[J]. Optics Communications, 2015, 347: 1-7.
[27] Cao S, Kam P Y, Yu C. Time-domain blind ICI mitigation for non-constant modulus format in CO-OFDM[J]. IEEE Photonics Technology Letters, 2013, 25(24): 2490-2493.
[28] Ha Y, Chung W. Non-data-aided phase noise suppression scheme for CO-OFDM systems[J]. IEEE Photonics Technology Letters, 2013, 25(25): 1703-1706.
[29] Ren H L, Cai J X, Lu J, et al. Novel iteration-free blind phase noise estimation for coherent optical OFDM[J]. Chinese Optics Letters, 2014, 12(12): 120603.
[30] Ren Hongliang, Kang Shaoyuan, Lu Jin, et al. Blind phase noise compensation algorithm in CO-OFDM system with wide laser linewidth[J]. Acta Optica Sinica, 2017, 37(1): 0106005.
[31] Shi Q. ICI mitigation for OFDM using PEKF[J]. IEEE Signal Processing Letters, 2010, 17(12): 981-984.
[32] Bittner S, Frotzscher A, Fettweis G, et al. Oscillator phase noise compensation using Kalman tracking[C]. IEEE International Conference on Acoustics, 2009: 2529-2532.
[33] Diliyanzah A, Astuti R P, Syihabuddin B. Inter-carrier interference reduction in broadband wireless access technology using extended Kalman filter[C]. International Conference on Information and Communication Technology, 2014: 266-271.
[34] Petrovic D, Rave W, Fettweis G. Common phase error due to phase noise in OFDM-estimation and suppression[C]. IEEE International Symposium on Personal, 2004, 3: 1901-1905.
[36] Li Lingxiang, Li Jibi. A three-stage phase noise compensation algorithm based on Kalman filtering for CO-OFDM systems[J]. Journal of Optoelectronics·Laser, 2016, 27(10): 1047-1053.
[37] Magarini M, Spalvieri A, Vacondio F, et al. Empirical modeling and simulation of phase noise in long-haul coherent optical transmission systems[J]. Optics Express, 2011, 19(23): 22455-22461.
[38] Zhang Zhaoyou, Hao Yanling, Wu Xu. Complexity analysis of three deterministic sampling nonlinear filtering algorithms[J]. Journal of Harbin Institute of Technology, 2013, 45(12): 111-115.