On Kurtosis-limited Enumerative Sphere Shaping for Reach Increase in Single-span Systems
Yunus Can G\"ultekin, Alex Alvarado, Olga Vassilieva, Inwoong Kim,, Paparao Palacharla, Chigo M. Okonkwo, Frans M. J. Willems
TL;DR
This paper investigates how reducing kurtosis in channel inputs affects transmission reach, finding benefits for single-span systems but no significant improvements for multi-span systems.
Contribution
It introduces an algorithmic shaping method to decrease kurtosis and evaluates its impact on transmission reach in single- and multi-span systems.
Findings
Increased reach for single-span systems with kurtosis reduction
No significant decoding performance gains for multi-span systems
Algorithmic shaping effectively decreases kurtosis of channel inputs
Abstract
The effect of decreasing the kurtosis of channel inputs is investigated for the first time with an algorithmic shaping implementation. No significant gains in decoding performance are observed for multi-span systems, while an increase in reach is obtained for single-span transmission.
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