Performance Enhancement of M-ary DPPM Bit Error Rate in FSO Systems with Aperture Averaging Under Crosstalk, Pointing Error, and ASE Noise Conditions

Ebrahim Eldesoky Elsayed; Mohammed Raisan  Hayal

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Published: Jun 30, 2024

Keywords:

amplified spontaneous emission, pointing error, digital pulse position modulation, free-space optical (FSO) communication, modified Chernoff bound, aperture-averaging

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

Mohammed Raisan Hayal

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

https://orcid.org/0000-0002-7997-702X

Abstract

The evaluation of the performance of a communication system based on free-space optical (FSO) technology using digital pulse position modulation (DPPM) and on-off keying non-return-to-zero (OOK-NRZ) technique is explored within this study. This research delves into the effects of atmospheric turbulence, scintillation, and amplified spontaneous emission (ASE) noise. In order to mitigate the impact of turbulence-induced scintillation and optical power loss, the utilization of aperture averaging is suggested. The assessment of bit-error rate (BER) performance under atmospheric turbulence and ASE noise is detailed, employing moment generation function techniques in conjunction with a modified Chernoff bound for enhanced accuracy compared to the conventional Chernoff bound. This system shows potential for providing power-efficient, cost-effective, highly flexible, and reliable solutions for future access networks catered towards higher data rates. BER results are presented for an optically preamplified DPPM FSO communication system affected by pointing errors, atmospheric turbulence, and ASE noise from optical amplification. The use of a gamma-gamma distribution model enables the characterization of various turbulence conditions. The findings showcase the superiority of DPPM in terms of enhanced receiver sensitivity, with an improvement of approximately 10 dB – 11 dB over an equivalent optically preamplified OOK-NRZ approach at a binary data rate of 2.5 Gbps and a typical FSO BER of ), contingent on the turbulence levels.

How to Cite

Elsayed, E. E., & Hayal, M. R. . (2024). Performance Enhancement of M-ary DPPM Bit Error Rate in FSO Systems with Aperture Averaging Under Crosstalk, Pointing Error, and ASE Noise Conditions. Engineering Applications, 3(2), 125–136. Retrieved from https://publish.mersin.edu.tr/index.php/enap/article/view/1514

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Vol. 3 No. 2 (2024)

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Author Biographies

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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Institutions

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

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

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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

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

References