Improving the system performance of DWDM-FSO through combination of adaptive detection threshold and modified OOK under atmospheric turbulence, crosstalk, and ASE noise

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Published: May 30, 2024
Keywords:
Dense-wavelength-division-multiplexing (DWDM) systems, Atmospheric turbulence channel, Modified on-off keying (OOK),, Free-space optical (FSO) communications, Amplified spontaneous emission (ASE), Noise interchannel crosstalk

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Mohammed Raisan Hayal
Department of Electronics and Communications Engineering, Faculty of Engineering, Mansoura University, Mansoura, 35516, El-Dakahilia, Egypt; (e-mail: mohammedraisan@gmail.com)
https://orcid.org/0000-0002-7997-702X
Ebrahim Eldesoky Elsayed
Department of Electronics and Communications Engineering (ECE), Faculty of Engineering, Mansoura University, Mansoura, 35516, El-Dakahilia, Egypt; e-mails: engebrahem16@gmail.com; engebrahem16@std.mans.edu.eg; ORCID ID: https://orcid.org/0000-0002-7208-2194
https://orcid.org/0000-0002-7208-2194

Abstract

The article delves into the intricate design and analysis of the dense wavelength division multiplexing free-space optical (DWDM-FSO) communication systems, focusing on the impact of modified on-off keying (OOK) modulation on various factors such as noise, interchannel crosstalk, and atmospheric turbulence in different turbulence conditions. Through in-depth numerical studies, it has been observed that the utilization of adaptive detection threshold alongside OOK modulation can lead to the occurrence of an error floor within the DWDM-FSO link. This suggests that careful consideration and optimization of these modulation techniques are paramount in ensuring the efficiency and reliability of communication systems operating under varying atmospheric conditions. This study sheds light on the complexities and challenges involved in DWDM-FSO systems and underscores the importance of tailored modulation strategies to mitigate potential issues and enhance overall performance

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How to Cite
Hayal , M. R. ., & Elsayed, E. E. (2024). Improving the system performance of DWDM-FSO through combination of adaptive detection threshold and modified OOK under atmospheric turbulence, crosstalk, and ASE noise. Engineering Applications, 3(2), 117–124. Retrieved from https://publish.mersin.edu.tr/index.php/enap/article/view/1513
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Vol. 3 No. 2 (2024)
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Author Biographies

Mohammed Raisan Hayal , Department of Electronics and Communications Engineering, Faculty of Engineering, Mansoura University, Mansoura, 35516, El-Dakahilia, Egypt; (e-mail: mohammedraisan@gmail.com)

Department of Electronics and Communications Engineering, Faculty of Engineering, Mansoura University, Mansoura, 35516, El-Dakahilia, Egypt; (e-mail: mohammedraisan@gmail.com) 

Ebrahim Eldesoky Elsayed, Department of Electronics and Communications Engineering (ECE), Faculty of Engineering, Mansoura University, Mansoura, 35516, El-Dakahilia, Egypt; e-mails: engebrahem16@gmail.com; engebrahem16@std.mans.edu.eg; ORCID ID: https://orcid.org/0000-0002-7208-2194

 

 

 

 

 

 

 

Ebrahim E. Elsayed received his B.Sc. degree in Electronics and Communications Engineering from the Misr Higher Institute for Engineering and Technology at Mansoura, Ministry of Higher Education, Mansoura, Egypt, in May 2012. In June 2015, he obtained his Diploma in Engineering Applications of Lasers (EAL) from the National Institute of Laser Enhanced Science (NILES), Cairo University, Egypt. In May 2017, he received a Postgraduate Diploma (PgDip.) degree (higher Diploma) from the Department of EAL, the NILES-Cairo University, in Giza, Egypt. He received his M.Sc. degree in Electrical Communications Engineering from the Department of Electronics and Communications Engineering, Faculty of Engineering, Mansoura University, Al-Mansoura, Egypt, in Nov 2018. His M.Sc. research includes the design, analysis, characterization, modeling, and enhancement of the DWDM transmission system for free-space optical (FSO) communication systems. Also, the research includes the application and enhancement of the DPPM and OOK modulation-based IM/DD techniques for hybrid fiber/FSO communication over WDM-PON systems. He has several publications in optical communications, optical wireless communications, free-space optical communication systems, WDM optical networks, and communication channel modeling. He has published over (13) peer-reviewed papers and scientific articles in reputed international journals like IEEE Access, Springer Nature, Elsevier, and (Taylor & Francis). His current research interests are in optical wireless communications, free-space optics, optoelectronics, optical devices, photonics, high-speed optical communication system design, advanced modulation schemes, MIMO systems, and hybrid MIMO-RF/FSO communication systems. He is an avid researcher in optical wireless communications, optical communications, free-space optics, and hybrid MIMO-RF/FSO systems. He is currently pursuing a Ph.D. degree starting November 2020 in Electronics and Communications Engineering from the Department of Electronics and Communications Engineering (ECE), Faculty of Engineering, Mansoura University, Al-Mansoura, 35516, El-Dakahliya Governorate, Egypt. His Ph.D. research includes the modeling and enhancement of the hybrid MIMO-RF/FSO communication systems using adaptive modulation techniques. He has already coauthored more than (13) high-quality research papers in the international journals and conference proceedings. In the field of Wireless Radio Frequency (RF) and Wireless Communications Systems and Networks (Information Technology: Transmission) Networks for Wireless Communications, he worked as a senior engineer for International Wireless Telecommunication Companies in Egypt). In the field of education and training for professional and field engineers, he received a scholarship in Sep 2014 from the National Telecommunication Institute (NTI), Nasr City, Cairo, Egypt. for the Professional Training (Modern Wireless Technology Program−NTI Scholarship 2014). Also, he serves as a volunteer reviewer for prestigious journals such as IEEE Access, IEEE Communications Letters, IEEE Wireless Communications, IEEE Transactions on Vehicular Technology, IOP, IEEE Open Journal of the Communications Society, Wiley, Elsevier, and IEEE Journal of Selected Topics in Quantum Electronics. Also, he serves as a volunteer reviewer for Optical and Quantum Electronics (Springer Nature), Microwave and Optical Technology Letters, International Journal of Antennas and Propagation, Waves in Random and Complex Media (Taylor & Francis), Optical Fiber Technology (Elsevier), Sensors (MDPI Journal), Photonics (MDPI Journal), Telecom (MDPI), Electronics (MDPI), Optical Fiber Technology (Elsevier), and Telecommunication Systems (Springer Nature).  He has reviewed more than (650) papers in the most prestigious international peer-reviewed journals, such as IEEE, Springer Natures, Wiley, Elsevier, MDPI, and IOP, etc.

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ORCID id: https://orcid.org/0000-0002-7208-2194

 

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Scopus ID:    57202783178

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Institutions

 

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Engineering Applications, 2024, 3(2), 117-124

Elsayed E. E., Yousif B. B., Alzalabani M. M.(2018). Performance enhancement of the power penalty in DWDM FSO communication using DPPM and OOK modulation, Opt. Quantum Electron., 50(7), doi: 10.1007/s11082-018-1508-y.

Elsayed E. E. & Yousif B. B., (2020). Performance enhancement of M-ary pulse-position modulation for a wavelength division multiplexing free-space optical systems impaired by interchannel crosstalk, pointing error, and ASE noise, Opt. Commun., 475, doi: 10.1016/j.optcom.2020.126219.

Elsayed E. E. & Yousif B. B. (2020). Performance enhancement of the average spectral efficiency using an aperture averaging and spatial-coherence diversity based on the modified-PPM modulation for MISO FSO links,” Opt. Commun., 463, doi: 10.1016/j.optcom.2020.125463.

Elsayed, E. E. & Yousif , B. B. (2020). Performance evaluation and enhancement of the modified OOK based IM/DD techniques for hybrid fiber/FSO communication over WDM-PON systems, Opt. Quantum Electron., 52(9), doi: 10.1007/s11082-020-02497-0.

Yousif, B. B., Elsayed, E. E., Alzalabani, M. M. (2019). Atmospheric turbulence mitigation using spatial mode multiplexing and modified pulse position modulation in hybrid RF/FSO orbital-angular-momentum multiplexed based on MIMO wireless communications system,” Opt. Commun., 436, 197–208. doi: 10.1016/j.optcom.2018.12.034.

Yousif, B. B. & Elsayed, E. E. (2019). Performance Enhancement of an Orbital-Angular-Momentum-Multiplexed Free-Space Optical Link under Atmospheric Turbulence Effects Using Spatial-Mode Multiplexing and Hybrid Diversity Based on Adaptive MIMO Equalization,” IEEE Access, 7, 84401–84412. doi: 10.1109/ACCESS.2019.2924531.

Elsayed E. E. & Yousif, B. B. (2020). Performance enhancement of hybrid diversity for M-ary modified pulse-position modulation and spatial modulation of MIMO-FSO systems under the atmospheric turbulence effects with geometric spreading, Opt. Quantum Electron., 52(12). doi: 10.1007/s11082-020-02612-1.