Browsing Faculty of Engineering by Author "Ghassemlooy, Z."
Now showing items 1-16 of 16
-
Capacity analysis of free space optical links for a partially coherent gaussian beam over a turbulent channel with pointing errors
Lee, I. E.; Ghassemlooy, Z.; Ng, W. P.; Khalighi, M. A.; Uysal, Murat (IEEE, 2013)In this paper, we investigate the joint effects of beam width and the spatial coherence length in a partially coherent free-space optical (FSO) link from the information theory perspective, taking into account the combined ... -
Coverage of a shopping mall with flexible OLED-based visible light communications
Chaleshtori, Z. N.; Zvanovec, S.; Ghassemlooy, Z.; Eldeeb, Hossıen Badr; Uysal, Murat (The Optical Society, 2020-03-30)Visible light communications (VLC) can utilize light-emitting diodes (LEDs) to provide illumination and a safe and low-cost broadcasting network simultaneously. In the past decade, there has been a growing interest in using ... -
Emerging optical wireless communications-advances and challenges
Ghassemlooy, Z.; Arnon, S.; Uysal, Murat; Xu, Z.; Cheng, J. (IEEE, 2015-09)New data services and applications are emerging continuously and enhancing the mobile broadband experience. The ability to cope with these varied and sophisticated services and applications will be a key success factor for ... -
A European view on the next generation optical wireless communication standard
Jungnickel, V.; Uysal, Murat; Serafimovski, N.; Baykas, T.; O’Brien, D.; Ciaramella, E.; Ghassemlooy, Z.; Green, R.; Haas, H.; Haigh, P. A.; Gil Jimenez, V. P.; Miramirkhani, Farshad; Wolf, M.; Zvánovec, S. (IEEE, 2015)Optical wireless technology uses light for mobile communications. The idea is to simultaneously combine the illumination provided by modern high-power light-emitting diodes (LEDs) with high-speed wireless communications. ... -
Experimental demonstration of polarisation shift keying in the free space optical turbulence channel
Tang, X.; Ghassemlooy, Z.; Rajbhandari, S.; Uysal, Murat (IEEE, 2012)In this paper, the performance of binary polarisation shift keying (BPOLSK) with the direct detection (DD) scheme is experimentally investigated. BPOLSK scheme is used to mitigate the atmospheric turbulence induced fading ... -
A flexible OLED VLC system for an office environment
Chaleshtori, Z. N.; Zvanovec, S.; Ghassemlooy, Z.; Eldeeb, Hossıen Badr; Uysal, Murat (IEEE, 2020)The potential use of flexible substrate-based organic light emitting diodes (OLEDs) as curved or rolled lighting sources offers news opportunities for the implementation of visible light communications (VLC) in indoor ... -
Guest editorial: Optical wireless communications
Arnon, S.; Uysal, Murat; Ghassemlooy, Z.; Xu, Z.; Cheng, J. (IEEE, 2015-09)Optical wireless communication (OWC) systems provide many advantages over radio frequency (RF) wireless technologies in some scenarios, including significantly higher data rates and a large amount of available license-free ... -
Optimal combiners in optical wireless systems with spatial diversity and pre-amplification
Yiannopoulos, K.; Sagias, N. C.; Boucouvalas, A. C.; Uysal, Murat; Ghassemlooy, Z. (IEEE, 2016)We present analytical results on the operation of a pre-amplified optical wireless communication (OWC) system that also takes advantage of spatial diversity to improve its outage probability and average bit-error-rate (BER) ... -
Outage performance of MIMO free-space optical systems in gamma-gamma fading channels
Kazemi, Hossein; Mostaani, Zohreh; Uysal, Murat; Ghassemlooy, Z. (IEEE, 2013)In this paper, we consider a MIMO Free-Space Optical (FSO) communication system over gamma-gamma turbulence channels and derive a closed-form analytical expression for the outage probability taking into account the effects ... -
Performance analysis of free space optical links over turbulence and misalignment induced fading channels
Lee, I. E.; Ghassemlooy, Z.; Ng, W. P.; Uysal, Murat (IEEE, 2012)The performance of free-space optical (FSO) communication system is investigated from the information theory perspective, under the influence of atmospheric loss and channel fading due to the turbulence and pointing error. ... -
Practical implementation and performance study of a hard-switched hybrid FSO/RF link under controlled fog environment
Lee, I. E.; Ghassemlooy, Z.; Ng, W. P.; Gourdel, V.; Khalighi, M. A.; Zvanovec, S.; Uysal, Murat (IEEE, 2014)The availability and performance of terrestrial free-space optical (FSO) communication systems are heavily deterred by the fluctuating conditions of the atmospheric channel, particularly in the presence of visibility-limiting ... -
Standards for indoor optical wireless communications
Boucouvalas, A. C.; Chatzimisios, P.; Ghassemlooy, Z.; Uysal, Murat; Yiannopoulos, K. (IEEE, 2015-03)The application of Optical Wireless Communications (OWC) has grown in recent years that the whole industry would benefit from common standards to which competitive products comply. Standards are essential, particularly ... -
Utilization of an oled-based vlc system in office, corridor, and semi-open corridor environments
Chaleshtori, Z. N.; Ghassemlooy, Z.; Eldeeb, Hossıen Badr; Uysal, Murat; Zvanovec, S. (MDPI, 2020-12-01)Organic light emitting diodes (OLEDs) have recently received growing interest for their merits as soft light and large panels at a low cost for the use in public places such as airports, shopping centers, offices, and train ... -
Vehicular visible light communications: The impact of taillight radiation pattern
Eldeeb, Hossıen Badr; Eso, E.; Uysal, Murat; Ghassemlooy, Z.; Zvanovec, S.; Sathian, J. (IEEE, 2020-09)We investigate the path-loss of vehicular visible light communications based on the radiation pattern of a commercial car taillight. The measured pattern is incorporated into a ray-tracing model and simulation results ... -
Vehicular VLC: A ray tracing study based on measured radiation patterns of commercial taillights
Eldeeb, Hossıen Badr; Eso, E.; Jarchlo, E. A.; Zvanovec, S.; Zvanovec, S.; Uysal, Murat; Ghassemlooy, Z.; Sathian, J. (IEEE, 2021-08-15)In this letter, we investigate the performance of vehicular visible light communications based on the radiation patterns of different commercial taillights (TLs) using non-sequential ray tracing simulations. Our simulation ... -
Visible light communication for vehicular networking: performance study of a V2V system using a measured headlamp beam pattern model
Uysal, Murat; Ghassemlooy, Z.; Bekkali, A.; Kadri, A.; Menouar, H. (IEEEinfo:eu-repo/grantAgreement/EC/FP7/IC1101, 2015-12)In this article, we discuss visible light communication (VLC) in the context of vehicular communication networks. With the omnipresence of light-emitting diodes (LEDs) in outdoor and automotive lightings, VLC emerges as a ...
Share this page