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Performance analysis of atmospheric optical subcarrier-multiplexing systems and atmospheric optical subcarrier-Modulated code-division multiplexing systems

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2 Author(s)
Wakafuji, K. ; Dept. of Electr. Eng., Tokyo Univ. of Sci., Chiba, Japan ; Ohtsuki, T.

This paper analyzes the performance of the atmospheric optical subcarrier multiplexing (AO-SCM) systems and the atmospheric optical subcarrier-modulated code-division multiplexing (AO-CDM) systems. The average received carrier-to-interference-plus-noise ratio (CINR) of the AO-SCM systems and the AO-CDM systems on a turbulence channel with the scintillation and the nonlinearity of a laser diode is derived. It is shown that the received CINR of the AO-CDM systems is larger than that of the AO-SCM systems when the number of channels is four for the same optical modulation index (OMI), and vice versa, when the number of channels is 16 for the same OMI.

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Lightwave Technology, Journal of  (Volume:23 ,  Issue: 4 )