Abstract

The optical wireless communications systems are an important alternative for providing high bandwidth over short or medium range links. Although, most of such links are currently, based in no-coherent schemes, there exist the optical coherent techniques offering a greater sensitivity and selectivity at the receiver stage and the possibility of impairments compensation using high-speed post-detection DSP algorithms. We present the a scheme to demonstrate the use of the optical coherent technique in wireless communications for a last-mile application under turbulence, in the laboratory scope.

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