Browsing by Author "Elamassie, Mohammed"
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Adaptive DCO-OFDM for underwater visible light communications
Elamassie, Mohammed; Karbalayghareh, Mehdi; Miramirkhani, Farshad; Uysal, Murat (IEEE, 2019-04)Visible light communication (VLC) has been introduced as a complementary technology to acoustic communications for underwater applications. Underwater VLC can achieve much higher data rates sufficiently high for real-time ... -
Adaptive OFDM-based acoustic underwater transmission: system design and experimental verification
Sadeghi, Mohammad; Elamassie, Mohammed; Uysal, Murat (IEEE, 2017)In this paper, we present the design and implementation of a software defined orthogonal frequency division multiplexing (OFDM)-based underwater acoustic (UWA) communication system with link adaptation. Our system ... -
Aerosol attenuation model for high altitude UAV-based FSO links
Elamassie, Mohammed; Uysal, Murat (IEEE, 2022)Free space optical (FSO) communication is well positioned to address connectivity needs in ground-UAV, inter-UAV and UAV-ground links. An accurate performance analysis of airborne FSO links requires the use of proper path ... -
Analysis and optimization of the network throughput in IEEE 802.15.13 based visible light communication networks
Bülbül, Yusuf; Elamassie, Mohammed; Baykas, T.; Uysal, Murat (IEEE, 2021)In line with the growing interest on visible light communication (VLC), IEEE has initiated standardization efforts on this emerging technology. In this work, we consider IEEE 802.15.13 Optical Wireless Personal Area Networks ... -
Asymptotic performance of generalized transmit laser selection over lognormal turbulence channels
Elamassie, Mohammed; Uysal, Murat (IEEE, 2020-08)In free space optical communication systems, transmit laser selection (TLS) has been proposed as an efficient fading-mitigation technique over turbulence channels. In TLS, the transmitter is equipped with a number of laser ... -
Bit-error-rate performance of an underwater wireless optical link under misalignment and turbulence effects
Ijeh, I. C.; Khalighi, M. A.; Elamassie, Mohammed; Hranilovic, S.; Uysal, Murat (IEEE, 2022)Underwater wireless optical communication (UWOC) links are highly susceptible to the degrading effects of oceanic turbulence and beam misalignment. In this paper, considering a silicon photo-multiplier at the receiver, we ... -
Capacity analysis of NOMA-enabled underwater VLC networks
Elamassie, Mohammed; Bariah, L.; Uysal, Murat; Muhaidat, S.; Sofotasios, P. C. (IEEE, 2021)Visible light communication (VLC) has recently emerged as an enabling technology for high capacity underwater wireless sensor networks. Non-orthogonal multiple access (NOMA) has been also proven capable of handling a massive ... -
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 ... -
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, ... -
Diversity gain analysis of underwater vertical MIMO VLC links in the presence of turbulence
Yılmaz, Anıl; Elamassie, Mohammed; Uysal, Murat (IEEE, 2019)To satisfy the demands of high data rate underwater applications such as image and real-time video transmission, underwater visible light communication (UVLC) has emerged as an alternative to acoustic signaling. One of the ... -
Drizzle attenuation model for visible and infrared wavelengths
Elamassie, Mohammed; Uysal, Murat (IEEE, 2022)In an outdoor environment, the transmitted optical signal is affected by the atmospheric particles that may scatter or absorb light such as drizzle, rain, snow, fog, and aerosols. Various earlier studies have attempted to ... -
Effect of eddy diffusivity ratio on underwater optical scintillation index
Elamassie, Mohammed; Uysal, Murat; Baykal, Y.; Abdallah, M.; Qaraqe, K. (The Optical Society, 2017-10-11)The performance of underwater optical wireless communication systems is severely affected by the turbulence that occurs due to the fluctuations in the index of refraction. Most previous studies assume a simplifying, yet ... -
Effect of fog and rain on the performance of vehicular visible light communications
Elamassie, Mohammed; Karbalayghareh, Mehdi; Miramirkhani, Farshad; Kızılırmak, R. Ç.; Uysal, Murat (IEEE, 2018-07-20)In Intelligent Transportation Systems, visible light communication (VLC) has emerged as a powerful candidate to enable wireless connectivity in vehicle-to-vehicle (V2V) and vehicle-to- infrastructure (V2I) links. While VLC ... -
Effect of sea waves on vertical underwater visible light communication links
Elamassie, Mohammed; Sait, S. M.; Uysal, Murat (IEEE, 2023-04)Underwater visible light communication (VLC) has been proposed to deal with emerging high bandwidth underwater applications. Initial research works on underwater VLC are based on the assumption that both transmitter and ... -
Evaluation of wind power for electrical energy generation in the mediterranean coast of Palestine for 14 years
Badawi, A. S. A.; Hasbullaha, N. F.; Yusoff, Y.; Khan, S.; Hashim, A.; Zyoud, A.; Elamassie, Mohammed (Institute of Advanced Engineering and Science, 2019-08)The generation, distributionand transmission of electricity in Palestine have recently emerged as major issues. This study comprehensively assesses the production of wind energy and the estimation of wind energy potential ... -
Experimental characterization of multi-hop vehicular VLC systems
Mohamed, Bassam Aly Abdelrahman; Elamassie, Mohammed; Uysal, Murat (IEEE, 2021)In vehicular visible light communication (VLC), the reliable communication distance may be relatively short due to its dependence on many factors including the weather condition. This necessitates the use of relay-assisted ... -
Experimental evaluation of a software defined visible light communication system
Mohamed, Bassam Aly Abdelrahman; Elamassie, Mohammed; Kebapçı, Burak; Uysal, Murat (IEEE, 2020)Visible light communication (VLC) allows the dual use of light-emitting diodes (LEDs) for illumination and communication purposes. With its large bandwidth and immunity to electromagnetic interference, VLC can be used as ... -
Experimental evaluation of unipolar OFDM VLC system on software defined platform
Mohamed, Bassam Aly Abdelrahman; Elamassie, Mohammed; Uysal, Murat; Kınav, E. (IEEE, 2019)With unique features and advantages, visible light communication (VLC) is considered as a powerful complementary wireless access technology to radio frequency solutions such as WiFi. To handle the frequency-selectivity of ... -
Experimental investigation of lens combinations on the performance of vehicular VLC
Mohamed, Bassam Aly Abdelrahman; Elamassie, Mohammed; Eldeeb, Hossıen Badr; Uysal, Murat (IEEE, 2020)With the increasing adoption of LEDs in outdoor light sources such as traffic lights, street lights and vehicle headlamps, visible light communication (VLC) has the promise to become a major enabler for vehicle-to-vehicle ... -
An experimental study of underwater visible light communication
Yıldız, Samet; Baǧlıca, İbrahim; Kebapçı, B.; Elamassie, Mohammed; Uysal, Murat (IEEE, 2022)Visible light communication (VLC) has emerged as a powerful high-data-rate alternative to conventional underwater acoustic technology for short and medium link distances. In this paper, we develop an experimental underwater ...
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