Abstract
In the wake of growing challenges of dispersing communication services in rural areas, Radio over Free Space (Ro-FSO) is a useful technology that can carry heterogeneous services. This work focuses on transmitting two independent channels, each carrying 2.5 Gbps data and 10 GHz radio signal, by utilizing mode-division multiplexing (MDM) of two spiral-phased Hermite Gaussian modes (HG00 and HG01) free space optical (FSO) link. It also evaluates the performance of the proposed Ro-FSO system under the impact of beam divergence and various atmospheric turbulences such as moderate fog and heavy fog.
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