Filtering tolerant digital subcarrier multiplexing system with flexible bit and power loading. - Meng Xiang; Qunbi Zhuge; Xingyu Zhou 007; Meng Qiu; Fangyuan Zhang; Thang M. Hoang; Mohammed Y. S. Sowailem; Ming Tang 005; Deming Liu; Songnian Fu; David V. Plant (OFC, 2017)