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Yazara göre Elektrik Elektronik Mühendisliği Bölümü Yayın Koleksiyonu listeleme

Yazar "Gökçe, Muhsin Caner" için Elektrik Elektronik Mühendisliği Bölümü Yayın Koleksiyonu listeleme

Toplam kayıt 38, listelenen: 1-20

Sonraki Sayfa

Adaptive optics effect on performance of BPSK-SIM oceanic optical wireless communication systems with aperture averaging in weak turbulence

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (2020-11)

Turbulence-induced wavefront deformations cause the irradiance of an optical signal to fluctuate resulting a in serious degradation in the bit-error-rate (BER) performance of optical wireless communication (OWC) system. ...
Analysis of wander and spreading of an optical beam by using the oceanic turbulence optical power spectrum

Ata, Yalçın; Baykal, Yahya; Gökçe, Muhsin Caner (2022-08)

Variance of beam displacement and short-term and long-term spreading of a Gaussian beam propagating in the presence of underwater turbulence are examined by using the oceanic turbulence optical power spectrum (OTOPS). ...
Anisotropy effect on performance of subcarrier intensity modulated binary phase shift keying optical wireless communication links in weakly turbulent underwater channel

Baykal, Yahya; Gökçe, Muhsin Caner; Ata, Yalçın (Taylor&Francis LTD, 2019-10)

The effect of the anisotropy on the bit-error-rate (BER) performance of subcarrier intensity modulated (SIM) binary phase shift keying (BPSK) optical wireless communication (OWC) links operating in weakly turbulent underwater ...
Aperture averaging and BER for Gaussian beam in underwater oceanic turbulence

Gökçe, Muhsin Caner; Baykal, Yahya (Elsevier Science BV, 2018-03-01)

In an underwater wireless optical communication (UWOC) link, power fluctuations over finite-sized collecting lens are investigated for a horizontally propagating Gaussian beam wave. The power scintillation index, also known ...
Aperture averaging in multiple-input single-output free-space optical systems

Gökçe, Muhsin Caner; Baykal, Yahya; Uysal, Murat (Optical Soc Amer, 2016-06-01)

Multiple-input single-output (MISO) techniques are employed in free-space optical (FSO) links to mitigate the degrading effects of atmospheric turbulence. In this paper, for the MISO FSO system, a partially coherent radial ...
Aperture averaging in multiple-input single-output free-space optical systems

Gökçe, Muhsin Caner; Baykal, Yahya; Kamacıoğlu, Canan; Uysal, Murat (Spie-Soc Photo-Optical Instrumentation Engineers, 2015-06)

Multiple-input single-output systems are employed in free-space optical links to mitigate the degrading effects of atmospheric turbulence. We formulate the power scintillation as a function of transmitter and receiver ...
Aperture averaging in strong oceanic turbulence

Gökçe, Muhsin Caner; Baykal, Yahya (Elsevier Science BV, 2018-04-15)

Receiver aperture averaging technique is employed in underwater wireless optical communication (UWOC) systems to mitigate the effects of oceanic turbulence, thus to improve the system performance. The irradiance flux ...
Application of adaptive optics on bit error rate of M-ary pulse-position-modulated oceanic optical wireless communication systems

Baykal, Yahya; Gökçe, Muhsin Caner; Ata, Yalçın (2020-07)

An adaptive optics correction arising from the sum of tilt, focus, astigmatism and coma components is applied to the bit error rate (BER) of M-ary pulse-position-modulated (PPM) oceanic optical wireless communication ...
BER performance ofM-ary pulse position modulated communication systems in anisotropic non-Kolmogorov turbulent atmosphere

Ata, Yalçın; Baykal, Yahya Kemal; Gökçe, Muhsin Caner (2022-03-04)

We investigated the effect of anisotropic non-Kolmogorov atmospheric turbulence on the performance of the optical wireless systems whenM-ary Pulse Position Modulation (PPM) is applied to a Gaussian beam. The performance ...
Bit error rate analysis of MISO FSO systems

Gökçe, Muhsin Caner; Baykal, Yahya; Uysal, Murat (Taylor&Francis Ltd., 2016)

Multiple-input single-output (MISO) systems are employed in free space optical (FSO) links to mitigate the degrading effects of atmospheric turbulence. In this paper, we consider a MISO FSO system with practical transmitter ...
Correlation of multimode fields in atmospheric turbulence

Baykal, Yahya; Gökçe, Muhsin Caner; Ata, Yalçın; Gerçekcioğlu, Hamza (2023-03)

Multimode field correlations are evaluated in atmospheric turbulence. High order field correlations are special cases of the results that we obtained in this paper. Field correlations are presented for various numbers of ...
Correlations of multimode optical incidences in a turbulent biological tissue

Baykal, Yahya; Gökçe, Muhsin Caner; Gerçekcioğlu, Hamza; Ata, Yalçın (2023)

In a turbulent biological tissue, field correlations at the observation plane are found when a multimode optical incidence is used. For different multimode structures, variations of the multimode field correlations are ...
Coupling efficiency of multimode beam to fiber in atmospheric turbulence

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (2023-07)

Atmospheric turbulence causes wavefront distortions in the propagated laser beam. By the beam shaping of the transmitted laser, wavefront distortions can be mitigated effectively. In this paper, we consider a shaped laser ...
Effect of anisotropy on performance of M-ary phase shift keying subcarrier intensity-modulated optical wireless communication links operating in strong oceanic turbulence

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (2020-05)

In strong oceanic turbulence, the performance of M-ary phase shift keying subcarrier intensity-modulated optical wireless communication (OWC) links is investigated in terms of the bit-error-rate (BER) by considering the ...
Effect of partial coherence on signal-to-noise ratio performance of free space optical communication system in weak turbulence

Akbucak, Volkan; Aymelek, Görkem; Yolcu, Begüm; Kayam, Orkun; Ünal, Onur; Gökçe, Muhsin Caner; Baykal, Yahya (2022-09-01)

The effect of source coherence on the average signal-to-noise ratio SNR performance of free space optical communication (FSOC) systems operating in weak atmospheric turbulence is investigated with the help of the extended ...
Effect of strong atmospheric non-Kolmogorov turbulence on the M-ary PSK subcarrier intensity modulated free space optical communications system performance

Gökçe, Muhsin Caner; Ata, Yalçın; Baykal, Yahya (Optical Soc Amer, 2019-05-01)

Atmospheric turbulence is one of the significant phenomena that degrades the free space optical (FSO) communications system performance, and thus designers need to define the requirements related to turbulence and optimize ...
Effects of adaptive optics on bit error rate of M-ary PPM oceanic optical wireless communication systems with aperture averaging in strong turbulence

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (2021-11)

Scintillation is the result of oceanic turbulence reducing the bit error rate (BER) performance of oceanic optical wireless communication (OWC) systems. The scintillation, also known as intensity fluctuations, occurs due ...
Error performance of optical wireless communication systems exercising BPSK subcarrier intensity modulation in non-Kolmogorov turbulent atmosphere

Ata, Yalçın; Baykal, Yahya; Gökçe, Muhsin Caner (Elsevier Science BV, 2019-04-01)

Subcarrier intensity modulation (SIM) scheme is preferred due to efficient bandwidth usage superiority over other modulation techniques such as on-off keying (OOK), pulse position modulation (PPM). In this paper, we ...
Fiber-Coupling Efficiency of Laser Array Beam From Turbulent Atmosphere to Fiber Link

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (2023-01-01)

Free-space optical communication (FSOC) systems are nowadays integrated with fiber optical components developed for fiber-optic communications. In such integrated systems, the collected portion of the incident beam on the ...
Intensity fluctuations in biological tissues at any turbulence strength

Ata, Yalçın; Gökçe, Muhsin Caner; Baykal, Yahya Kemal (2022-09-01)

This study investigates the intensity fluctuations of the optical plane and spherical waves in biological tissue that experience any strength of turbulence. Biological tissue is a random and complex medium for optical wave ...

Toplam kayıt 38, listelenen: 1-20

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