Browsing by Author "Uysal, Murat"
Now showing items 41-60 of 391
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Channel modeling and performance characterization of underwater visible light communications
Elamassie, Mohammed; Miramirkhani, Farshad; Uysal, Murat (IEEE, 2018-07-03)Underwater visible light communication (UVLC) has emerged as an attractive complementary solution to long-range acoustic communication and is able to achieve much higher data speeds. In this paper, we investigate the ... -
Channel modeling for vehicular visible light communication
The demand for vehicular communication systems has increased since they are considered the key enabling technology for Intelligent Transportation Systems (ITSs). Vehicular communications allow information sharing between ... -
Channel modeling for visible light communications
Miramirkhani, Farshad; Uysal, Murat; Panayirci, E. (Springer Science+Business Media, 2016)In this chapter, we present a novel and realistic channel modeling approach for visible light communications that overcomes to the limitations of previous works. In our work, we consider wavelength dependency, effect of ... -
Channel modelling and characterization for visible light communications
Sarbazi, Elham (2014-08)Visible light communications (VLC) involve the dual use of illumination infrastructure (i.e., LEDs) for wireless communication purposes. Despite the growing academic and industrial interest, there is a lack of realistic ... -
Channel modelling and performance limits of vehicular visible light communication systems
Karbalayghareh, M.; Miramirkhani, F.; Eldeeb, Hossıen Badr; Kızılırmak, R. Ç.; Sait, S.Q.; Uysal, Murat (IEEE, 2020-07)Visible light communication (VLC) has been proposed as an alternative or complementary technology to radio frequency vehicular communications. Front and back vehicle lights can serve as wireless transmitters making VLC a ... -
Channel modelling for indoor visible light communications
Miramirkhani, Farshad; Uysal, Murat (Royal Society Publishing, 2020-04-17)Visible light communication (VLC) allows the dual use of light-emitting diodes (LEDs) for wireless communication purposes in addition to their primary purpose of illumination. As in any other communication system, realistic ... -
Channel modelling for light communications: Validation of ray tracing by measurements
Eldeeb, Hossıen Badr; Uysal, Murat; Mana, S. M.; Hellwig, P.; Hilt, J.; Jungnickel, V. (IEEE, 2020)Light communications, also denoted as LiFi, is promising for future wireless indoor networks. For performance evaluation, the IEEE P802.15.13 and P802.11bb standardization groups agreed upon channel models based on ... -
Characterization of LEDs for visible-light communications
Kısacık, Rıfat; Yalcinkaya, A. D.; Pusane, A. E.; Baykas, T.; Uysal, Murat (SPIE, 2021-02)Recent advances in solid-state technologies have enabled the development of light-emitting diodes (LEDs) with favorable features such as long life expectancy, low-power consumption, and reduced heat dissipation. Visible-light ... -
Characterization of orbital angular momentum-multiplexed FSO channel in the presence of pointing errors
Elamassie, Mohammed; Tadayyoni, Hamed; Uysal, Murat (IEEE, 2023)Free space optical communication (FSO) uses laser transmitters at near-infrared wavelengths for line-of-sight wireless communication. Through the use of advanced laser beams instead of the conventional Gaussian-shaped beam, ... -
Coded continuous phase modulation for tactical communications
Foruhandeh, Mahsa (2014-08)Satisfying the various demands of tactical transceivers is one the common challenges in military communications. Different modulation, coding and spread spectrum techniques are needed to meet these requirements. Although ... -
CoMP-based dynamic handover for vehicular VLC networks
Demir, Muhammet Selim; Eldeeb, Hossıen Badr; Uysal, Murat (IEEE, 2020-09)Visible light communication (VLC) has emerged as a potential wireless connectivity solution for infrastructure-to-vehicle networks where street lights can be configured to serve as access points. In this letter, we propose ... -
A compact circularly polarized monopulse slotted waveguide array for airborne applications
Nawaz, Wasim (2019-10-24)In modern radar and communication systems, high gain, high power capability and low-profile antenna systems are frequently utilized. In airborne and space borne applications, slotted waveguide antenna array is widely used ... -
Comparative characterization of indoor VLC and MMW communications via ray tracing simulations
Hosseinabadi, Fahimeh Aghaei; Eldeeb, H. B.; Bariah, L.; Muhaidat, S.; Uysal, Murat (IEEE, 2023)The demand for ultra-high-speed indoor wireless connectivity is ever-increasing, which poses unique challenges for the next generation wireless communication system design. This has prompted the exploration of higher ... -
A comparative evaluation of propagation characteristics of vehicular VLC and MMW channels
Hosseinabadi, Fahimeh Aghaei; Eldeeb, H. B.; Uysal, Murat (IEEE, 2023)Vehicle-to-vehicle (V2V) communication is an underlying key technology to realize future intelligent transportation systems. Both millimeter wave (MMW) communication and visible light communication (VLC) are strong candidates ... -
Comparative performance evaluation of MIMO visible light communication systems
Damen, M. O.; Narmanlioglu, Omer; Uysal, Murat (IEEE, 2016)In this paper, we consider multiple-input multiple-output (MIMO) visible light communication (VLC) systems. The physical layer of VLC system builds upon optical orthogonal frequency division multiplexing (O-OFDM). Repetition ... -
Comparative performance evaluation of VLC, LTE and WLAN technologies in indoor environments
Zeshan, A.; Karbalayghareh, M.; Miramirkhani, F.; Uysal, Murat; Baykas, T. (IEEE, 2021)Recent years have seen an exponential rise in the demand for indoor wireless connections that have driven future generation networks to aim for higher data rates with extended coverage and affordable rates. The two most ... -
Composite fading model for aerial MIMO FSO links in the presence of atmospheric turbulence and pointing errors
Khallaf, H. S.; Kato, K.; Mohamed, E. M.; Sait, S. M.; Yanikomeroglu, H.; Uysal, Murat (IEEE, 2021-06)In this letter, we introduce accurate approximation expressions for composite fading channel model and outage probability of multiple-input multiple-output (MIMO) free space optical (FSO) link between two unmanned aerial ... -
Comprehensive study on UAV-based FSO links for high-speed train backhauling
Khallaf, H. S.; Uysal, Murat (The Optical Society, 2021-09-20)In this paper, we introduce the idea of using unmanned aerial vehicle (UAV)-based free-space optical communication systems to backhaul high-speed trains. We introduce a composite channel model that includes effects of both ... -
Cooperative BICM-OFDM systems for frequency-selective relay channels
Heidarpour, M. R.; Uysal, Murat (IEEE, 2011)In this paper, we consider a cooperative multi-carrier multi-relay system over frequency-selective fading channels. Specifically, we adopt the orthogonal frequency division multiplexing (OFDM) with bit-interleaved ... -
Cooperative communication techniques for future-generation HF radios
Uysal, Murat; Heidarpour, M. R. (IEEE, 2012-10)When Hurricane Katrina hit the Gulf Coast of the United States in 2005, it severely damaged the telecommunications infrastructure, isolating the area from the outside world. With all the high-end emergency communication ...
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