Performance analysis of a LDPC coded OAM-based UCA FSO system exploring linear equalization with channel estimation over atmospheric turbulence: comment | Zendy

Peng Yue | Zendy; Xiang Yi | Zendy; Ruiqi Zheng | Zendy; Dongling Xu | Zendy

Open Access

Performance analysis of a LDPC coded OAM-based UCA FSO system exploring linear equalization with channel estimation over atmospheric turbulence: comment

Author(s) -

Peng Yue,

Xiang Yi,

Ruiqi Zheng,

Dongling Xu

Publication year - 2020

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.28.000816

Subject(s) - atmospheric turbulence , equalization (audio) , channel (broadcasting) , turbulence , low density parity check code , optics , computer science , free space optical communication , point (geometry) , telecommunications , optical communication , physics , decoding methods , mathematics , meteorology , geometry

In a previously published paper [Opt. Express26(17), 22182 (2018)], the performance of a LDPC coded OAM-based UCA FSO system exploring linear equalization with channel estimation over atmospheric turbulence has been analyzed. We find that some concepts and descriptions in [Opt. Express26(17), 22182 (2018)] are inconsistent and paradoxical. In this comment, we point out the referred inconsistency and paradox one by one and present the correct explanations.

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