… We propose two practical adaptive coded modulation schemes to increase the bandwidth
efficiency of FSO communications by probabilistically shaping the input distribution. The first …

… a probabilistic shaping based on LDPC encoding technology, the optical fiber communication
system of the … In reference [3], a novel coding modulation scheme for QAM constellation is …

… distribution matching method for PS, no shaping codes or PS overheads are needed in our
… in a LDPC-based bit-interleaved coded modulation iterative decoding (BICM-ID) system for …

… Each optical carrier at the optical line terminal (OLT) carries a 20-Gbaud probabilistically-shaped
LDPC-coded PS… A LDPC-based bit-interleaved coded modulation scheme with iterative …

… paper, a probabilistic shaping (PS) scheme for bit-interleaved coded modulation with iterative
… In the future, we will investigate polar coded PS BICM-ID and protograph-LDPC coded PS …

… We also investigate the combination of the precoded PDL channel and probabilistic shaping
(PS) encoding to enhance the system’s performance. Furthermore, two new approaches …

… LDPC-coded modulation for the PS16 QAM WDM transmission system based on bit-interleaved
coded modulation … In such a CCDM scheme, 50% overheads of probabilistic shaping will …

… multiplexing passive optical network (DMT-WDM-PON) with maximum shaping gain of 0.46
… paritycheck (LDPC) based bit-interleaved coded modulation and iterative decoding system is …

… One can see that the capacity of the coded modulation system can be improved by up to
0.56 dB compared with unshaped U-PAM8, which approaches the Shannon capacity at the low …

… LDPC codes, we propose a time sharing (TS) hybrid probabilistic shaping (HPS) scheme to
obtain further coding … demapper is called coded modulation (CM)-AMI. The bit interleaved …