Increasing Achievable Information Rates via Geometric Shaping
Bin Chen, Chigo Okonkwo, Hartmut Hafermann, Alex Alvarado·2018-04-24·via eess.SP updates on arXiv.org
Achievable information rates are used as a metric to design novel modulation formats via geometric shaping. The proposed geometrically shaped 256-ary constellation achieves SNR gains of up to 1.18 dB.