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 a two OAM-multiplexed FSO link with the two OAM-multiplexed modes being l_m1 = +1 and l_m2 = +1+Δ, against OAM topological charge interval Δ, when is 1 × 10⁻¹⁴ m^−2/3 and SNR is 20 dB. MS represents the proposed MUD mitigation scheme.