[1] WEI Chia-chien, CHENG Hsuan-lin, CHEN Hsing-yu, et al. Analysis of nonlinear distortion and SSII cancellation in EAM-based IMDD OFDM transmission[J]. Journal of Lightwave Technology, 2015, 3(14): 3069-3082.
[2] GIACOUMIDIS E, KAVATZIKIDIS A, TSOKANOS A, et al. Adaptive loading algorithms for IMDD optical OFDM PON systems using directly modulated lasers[J]. Journal of Optical Communications and Networking, 2012, 4(10): 769-778 .
[3] ZHANG Zhen, ZHANG Qian-wu, CHEN Jian, et al. Low-complexity joint symbol synchronization and sampling frequency offset estimation scheme for optical IMDD OFDM systems[J]. Optics Express, 2016, 24(12): 12577-12587.
[4] MA Yi-ran, YANG Qi, TANG Yan, et al. 1-Tb/s single-channel coherent optical OFDM transmission with orthogonal-band multiplexing andsubwavelength bandwidth access[J]. Journal of Lightwave Technology, 2010, 28(4): 308-315.
[5] CHEN Ming, HE JING, CHEN Lin. Real-time demonstration of 1024-QAM OFDM transmitter in short-reach IMDD systems[J]. IEEE Photonics Technology Letters, 2015, 27(8): 824-827.
[6] JU Cheng, LIU Na, CHEN Xue. Iteration SSII cancellation in DD-OFDM PON upstream scheme[J]. Optics Communications, 2016, 364: 9-12.
[7] EFFENBERGER F, LIU Xiang. Power-efficient method for IM-DD optical transmission of multiple OFDM signals[J]. Optics Express, 2015, 23(10): 13571-13579.
[8] CHEN Hsing-yu, WEI Chia-chien, CHEN Yu-Chao, et al. 50-Gbps 100-km EAM-based OFDM-IMDD transmission employing novel SSII cancellation[C]. Optical Fiber Communication Conference, Optical Society of America, 2014: 1-3.
[9] GIACOUMIDIS E, KAVATZIKIDIS A, TSOKANOS A, et al. Adaptive loading algorithms for IMDD optical OFDM PON systems using directly modulated lasers[J]. Journal of Optical Communications and Networking, 2012, 4(10): 769-778.
[10] HSU D Z , WEI Chia-chien, CHEN Hsing-yu, et al. 74.4% SSII cancellation in an EAM-based OFDM-IMDD transmission system[J]. Optical Fiber Communication Conference/National Fiber Optic Engineers Conference, OSA Technical Digest, Optical Society of America, 2013: 1-3.
[11] JU Cheng, YANG Peng-fei, CHEN Xue, et al. 40 Gbps 100-km SSMF VSB-IMDD OFDM transmission experiment based on FBG filter[J]. Optics Communications, 2014, 329: 184–189.
[12] HENKEL M, SCHILLING C, SCHROER W. Comparison of channel estimation methods for pilot aided OFDM systems[C]. Vehicular technology conference, 2007: 1435-1439.
[13] TAHWRI Z, ARDEBILIPOUR M, MOHAMMADI M A. Channel estimation in time and frequency domain in OFDM systems[C]. Wireless networks and information systems, 2009: 209-212.
[14] TIAN Yue-hua, BI Mei-hua, HE Hao. Power budget improvements using grouped pilot channel estimation for OFDM-PON[C]. Asia Communications and Photonics Conference, 2013.
[15] COLERI S, ERGEN M, PURI A. Channel estimation techniques based on pilot arrangement in OFDM systems[J]. IEEE Transactions on Broadcasting, 2002, 48(3): 229-233.