Performance comparison of high-speed long-reach mode division multiplexing-based radio over free space optics transmission system using different modulation formats under the effect of atmospheric turbulence

Mehtab Singh; Jyoteesh Malhotra

doi:10.1117/1.OE.58.4.046112

30 April 2019 Performance comparison of high-speed long-reach mode division multiplexing-based radio over free space optics transmission system using different modulation formats under the effect of atmospheric turbulence

Mehtab Singh, Jyoteesh Malhotra

Author Affiliations +

Optical Engineering, Vol. 58, Issue 4, 046112 (April 2019). https://doi.org/10.1117/1.OE.58.4.046112

Abstract

We report the performance comparison of mode division multiplexing (MDM)-based radio over free space optics (RoFSO) transmission system using different modulation formats viz. alternate mark inversion, nonreturn to zero (NRZ), return to zero-differential phase shift keying (RZ-DPSK), and NRZ-DPSK under varying atmospheric turbulence conditions and data transmission rates. The results show that the NRZ-DPSK modulation format performs considerably better as compared to other modulation formats. Furthermore, the enhanced performance of the proposed NRZ-DPSK modulation-based MDM-RoFSO transmission system is investigated under different weather conditions and the results are compared with previously reported works.

Citation Download Citation

Mehtab Singh and Jyoteesh Malhotra "Performance comparison of high-speed long-reach mode division multiplexing-based radio over free space optics transmission system using different modulation formats under the effect of atmospheric turbulence," Optical Engineering 58(4), 046112 (30 April 2019). https://doi.org/10.1117/1.OE.58.4.046112

Received: 30 December 2018; Accepted: 8 April 2019; Published: 30 April 2019

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