Feedback-free adaptive modulation selection algorithm for FSO systems

Name: Feedback-free adaptive modulation selection algorithm for FSO systems
Author: Elamassie, Mohammed, Uysal, Murat

İsim	Feedback-free adaptive modulation selection algorithm for FSO systems
Yazar	Elamassie, Mohammed, Uysal, Murat
Basım Tarihi:	2021-09
Basım Yeri	- IEEE
Konu	Free space optical communication, Atmospheric turbulence-induced fading, Weak turbulence conditions, Feedback-free adaptive transmission
Tür	Süreli Yayın
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	2162-2337
Kayıt Numarası	bf92afc2-0d59-4d42-82f3-2cc5b32b12a1
Lokasyon	Electrical & Electronics Engineering
Tarih	2021-09
Örnek Metin	Free space optical (FSO) communication systems experience turbulence-induced fading. As a possible solution to mitigate the effects of fading, adaptive transmission that allows the adjustment of transmission parameters such as transmit power and modulation size can be used. Most of the existing works on adaptive FSO systems assume the presence of full channel state information (CSI) at the transmitter side. In practice, incomplete/outdated CSI may prevent the complete extraction of the theoretical gain expected from adaptive systems. In this letter, to avoid the difficulties associated with feedback, we propose a feedback-free adaptive modulation selection algorithm for FSO systems. We formulate the design as an optimization problem where average throughput is maximized by selecting the largest modulation order under the constraint that the required transmit power for a targeted bit error rate (BER) value does not exceed the maximum transmit power. We further present numerical results to confirm the superiority of the proposed adaptive algorithm.
DOI	10.1109/LWC.2021.3088871
Cilt	10

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Özyeğin Üniversitesi

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Feedback-free adaptive modulation selection algorithm for FSO systems

Yazar Elamassie, Mohammed, Uysal, Murat

Basım Tarihi 2021-09

Basım Yeri - IEEE

Konu Free space optical communication, Atmospheric turbulence-induced fading, Weak turbulence conditions, Feedback-free adaptive transmission

Tür Süreli Yayın

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 2162-2337

Kayıt Numarası bf92afc2-0d59-4d42-82f3-2cc5b32b12a1

Lokasyon Electrical & Electronics Engineering

Tarih 2021-09

Örnek Metin Free space optical (FSO) communication systems experience turbulence-induced fading. As a possible solution to mitigate the effects of fading, adaptive transmission that allows the adjustment of transmission parameters such as transmit power and modulation size can be used. Most of the existing works on adaptive FSO systems assume the presence of full channel state information (CSI) at the transmitter side. In practice, incomplete/outdated CSI may prevent the complete extraction of the theoretical gain expected from adaptive systems. In this letter, to avoid the difficulties associated with feedback, we propose a feedback-free adaptive modulation selection algorithm for FSO systems. We formulate the design as an optimization problem where average throughput is maximized by selecting the largest modulation order under the constraint that the required transmit power for a targeted bit error rate (BER) value does not exceed the maximum transmit power. We further present numerical results to confirm the superiority of the proposed adaptive algorithm.

DOI 10.1109/LWC.2021.3088871

Cilt 10