Turbulence mitigation scheme based on multiple-user detection in an orbital

Turbulence mitigation scheme based on multiple-user detection in an orbital–angular-momentum multiplexed system

Zou Li^{1, 2}, Wang Le¹, Zhao Sheng-Mei^{1, 3, †,}, Chen Han-Wu⁴

The BER performance of OAM-multiplexed FSO link with and without the proposed MUD mitigation scheme against SNR when the transmitted four OAM modes are l_m ∈ {+1,+2,+3,+4}, and is 1 × 10⁻¹⁵ m^−2/3. MS represents the proposed MUD mitigation scheme.