Research on optical 32QAM-OFDM-PON access scheme with different numbers of sub-carriers using DMT modulationYufeng Shao, Ying Long, Anrong Wang, Zefu Tan, Guoping Lei, Zhengquan Hu, Yu Liu, Qinzheng Hu, Zhuang Wang and Jie YangJ. Eur. Opt. Soc.-Rapid Publ., 16 1 (2020) 10DOI: https://doi.org/10.1186/s41476-020-00131-w
