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Browsing Elektonik-Elektronik Mühendisliği by Author "Baykal, Yahya"

Now showing items 1-15 of 15

Adaptive optics compensation of M-ary pulse position modulated communication systems in anisotropic non-Kolmogorov turbulent atmosphere

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2021-12-15)

Adaptive optics compensation effect on the performance of an optical wireless communication system (OWC) employing M-ary pulse position modulation (PPM) scheme in anisotropic non-Kolmogorov turbulent atmosphere is investigated. ...
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 (PERGAMON-ELSEVIER SCIENCE LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2020)

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. ...
Anisotropy effect on performance of subcarrier intensity modulated binary phase shift keying optical wireless communication links in weakly turbulent underwater channel

Gokce, Muhsin C.; Baykal, Yahya; (Ata, Yalçın (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2019)

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 ...
Application of adaptive optics on bit error rate of M-ary pulse-position-modulated oceanic optical wireless communication systems

Gökçe, Muhsin C.; Baykal, Yahya; Ata, Yalçın (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 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 of M-ary pulse position modulated communication systems in anisotropic non-Kolmogorov turbulent atmosphere

Gökçe, Muhsin Caner; Ata, Yalçın; Baykal, Yahya (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2020-08)

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 ...
Effect of anisotropy on performance of M-ary phase shift keying subcarrier intensity-modulated optical wireless communication links operating in strong oceanic turbulence

Gökçqe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 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 Strong Atmospheric Non-Kolmogorov Turbulence on The M-ary PSK Subcarrier Intensity Modulated Free Space Optical Communications System Performance

Ata, Yalcin; Baykal, Yahya; Gokce, Muhsin C. (OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA, 2019)

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 (IOP PUBLISHING LTDTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 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 ...
Laser array beam propagation through liver tissue

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2020-02)

Laser array beam propagating through mouse liver tissue is investigated. The turbulence power spectrum of the liver tissue is employed in the extended Huygens-Fresnel method to obtain an optical intensity profile and beam ...
Laser array beam scintillation in oceanic turbulence

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (IEEE, 2020-10)

In this study, on-axis scintillation of laser array beam in oceanic turbulent medium is investigated. By using Rytov method, scintillation index variations are reported in connection with the propagation distance, rate of ...
M-ary phase shift keying-subcarrier intensity modulation performance in strong oceanic turbulence

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98225 USA, 2019)

In strong oceanic turbulence, we investigate the bit error rate (BER) performance of underwater wireless optical communication links by employing phase shift keying subcarrier intensity modulated Gaussian laser beam at the ...
M-ary pulse position modulation performance with adaptive optics corrections in atmospheric turbulence

Gökçe, Muhsin C.; Ata, Yalçın; Baykal, Yahya (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2020-03)

The performance of M-ary pulse position modulated (PPM) optical wireless communication (OWC) systems in atmospheric weak turbulence medium is evaluated by using adaptive optics corrections. Piston, tilt, defocus and coma ...
Performance of M-ary pulse position modulated optical wireless communications systems in the marine atmosphere

Gökçe, Muhsin C.; Ata, Yalçın; Baykal, Yahya (OPTICAL SOC AMER2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036, 2021-03-10)

The marine atmosphere exhibits different turbulence spectrum characteristics when compared to the turbulence spectra of the land atmosphere and underwater medium. The performance of M-ary pulse position modulated (PPM) ...
Performance of M-ary pulse position modulation for aeronautical uplink communications in an atmospheric turbulent medium

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalcin (OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA, 2019)

This paper discusses the bit-error-rate (BER) performance of an aeronautical uplink optical wireless communication system (OWCS) when a Gaussian beam is employed and the M-ary pulse position modulation technique is used ...
Signal-to-noise ratio with adaptive optics compensation in non-Kolmogorov weak turbulent atmosphere

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (TAYLOR & FRANCIS LTD2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2021-07)

This study investigates the average signal-to-noise ratio < SNR > at the shot-noise limited receiver of an optical wireless communication system (OWC) that uses collimated Gaussian beam with adaptive optics correction in ...

Browsing Elektonik-Elektronik Mühendisliği by Author "Baykal, Yahya"

Browsing Elektonik-Elektronik Mühendisliği by Author "Baykal, Yahya"

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