Increasing Achievable Information Rates via Geometric Shaping
Bin Chen, Chigo Okonkwo, Hartmut Hafermann, Alex Alvarado
TL;DR
This paper introduces a geometric shaping method for 256-ary modulation formats that significantly improves achievable information rates, leading to higher efficiency in communication systems.
Contribution
It presents a novel geometric shaping technique for 256-ary constellations that enhances achievable information rates by up to 1.18 dB.
Findings
Achieves up to 1.18 dB SNR gain
Optimizes modulation formats for better information rates
Demonstrates effectiveness of geometric shaping
Abstract
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.
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