MIMO Equalization to Mitigate Turbulence in a 2-Channel 40-Gbit/s QPSK Free-Space Optical 100-m Round-Trip Orbital-Angular-Momentum-Multiplexed Link Between a Ground Station and a Retro-Reflecting UAV

Long Li,Runzhou Zhang,Peicheng Liao,Yinwen Cao,Haoqian Song,Yifan Zhao,Jing Du,Zhe Zhao,Cong Liu,Kai Pang,Hao Song,Dmitry Starodubov,Brittany Lynn,Robert Bock,Moshe Tur,Andreas F. Molisch,Alan E. Willner

ECOC（2018）

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摘要

We experimentally demonstrate turbulence mitigation using $2times 2$ MIMO equalization in a 100-m round-trip, 40-Gbit/s OAM-multiplexed FSO link between a ground transmitter and receiver via a retro-reflecting hovering UA V. Two OAM modes are transmitted, each achieving a BER of $ .

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关键词

ground transmitter,ground station,retro-reflecting UAV,turbulence mitigation,OAM-multiplexed FSO link,MIMO equalization,QPSK free-space optical round-trip OAM-multiplexed link,orbital- angular-momentum,distance 100 m,bit rate 40 Gbit/s

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