Browsing Electrical & Electronics Engineering by Title
Now showing items 439-458 of 695
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On the effects of combined atmospheric fading and misalignment on the hybrid FSO/RF transmission
(The Optical Society, 2016)Free-space optical (FSO) communication is known for its various impairments such as atmospheric turbulence and misalignment fading. In this paper, we study the performance of an FSO link operating under combined path loss ... -
On the effects of temperature on the performances of FSO transmission under qatar's climate
(IEEE, 2017-11-14)Strong atmospheric turbulence can highly affect the free space optical (FSO) link. In fact, the strength of turbulence is depending on weather factors where the temperature is considered as the main parameter increasing ... -
On the feasibility of synchronous, retransmission-based cognitive networks
(Elsevier, 2016-01)This paper presents a new, joint Markov chain model for the primary and secondary traffic in a cognitive radio network to assess the feasibility of opportunistic spectrum access for different operational scenarios, validated ... -
On the optimization of underwater quantum key distribution systems with time-gated SPADs
(Optica Publishing Group, 2022-08-01)In this paper, we study the effect of various transmitter and receiver parameters on the quantum bit error rate (QBER) performance of underwater quantum key distribution. We utilize a Monte Carlo approach to simulate the ... -
On the performance analysis of multirelay cooperative diversity systems with channel estimation errors
(IEEE, 2011-06)In this paper, we investigate the performance of an amplify-and-forward (AF) cooperative diversity system with multiple relays in the presence of channel estimation errors. We consider both conventional relaying (in which ... -
On the performance of DCO-OFDM visible light communication systems under illumination constraints
(IEEE, 2015)In this paper, we consider a DC-biased optical-orthogonal frequency division multiplexing (DCO-OFDM) visible light communication system and investigate its error rate performance under illumination constraints. First, we ... -
On the performance of MIMO cooperative transmission for broadband vehicular networks
(IEEE, 2015-06)In this paper, we investigate the performance of a cooperative vehicular network over a doubly selective fading channel using multiple antennas at source and destination vehicles. Under the assumption of amplify-and-forward ... -
On the performance of MIMO FSO communications over double generalized gamma fading channels
(IEEE, 2015)A major performance degrading factor in free space optical communication (FSO) systems is atmospheric turbulence. Spatial diversity techniques provide a promising approach to mitigate turbulence-induced fading. In this ... -
On the performance of MIMO OFDM-based intra-vehicular VLC networks
(IEEE, 2016)Vehicular hotspots for on-board Internet access using Long Term Evolution (LTE) as the backhaul network has recently gained popularity. Currently, Wi-Fi is the most common technology to provide in-vehicle access, where ... -
On the performance of multi-hop free space optical cooperative systems
(IEEE, 2018)In this paper, we investigate the performance analysis of multi-hop free space optical (FSO) systems over Double Generalized Gamma (DGG) turbulence fading with pointing error impairments assuming both heterodyne detection ... -
On the performance of NCC-OFDMA systems in the presence of carrier frequency offset
(IEEE, 2017)Network coded cooperative (NCC) systems have recently gained increasing attention due to their high power and spectral efficiency. For high speed data transmission over frequency-selective channels, NCC is further combined ... -
On the performance of SC-FDE schemes with decision feedback equalizer for visible light communications
(IEEE, 2015)In this paper, we investigate the two single carrier frequency domain equalization (SC-FDE) techniques, namely on-off keying single carrier frequency domain equalization (OOK-SC-FDE) and decomposed quadrature optical ... -
On throughput-delay optimal access to storage clouds via load adaptive coding and chunking
(IEEE, 2016-08)Recent literature including our past work provides analysis and solutions for using: 1) erasure coding; 2) parallelism; or 3) variable slicing/chunking (i.e., dividing an object of a specific size into a variable number ... -
Online real-time simulation of vehicles
(IEEE, 2020-09)Real-time simulation of a vehicle accessible as a server process on a network is needed in multiple use cases. One such use case is coordinated driving. Coordinated driving will eventually require us to control vehicles ... -
Operation altitude optimization of solar-powered rotary-wing UAVs for FSO backhauling
(IEEE, 2023)Free space optical communication (FSO) has emerged as an alternative backhauling technology. It provides a line-of-sight (LOS) link with a capacity comparable to fiber optics and much higher than those that can be supported ... -
Optical fiber array based simultaneous parallel monitoring of resonant cantilever sensors in liquid
(Elsevier, 2016-05-01)This paper reports a novel method for simultaneous resonance monitoring of MEMS cantilevers using phase based dynamic measurements without any electrical connections to the sensor array. MEMS cantilevers are made of ... -
Optical MIMO-OFDM with generalized LED index modulation
(IEEE, 2017-08)Visible light communications (VLC) is a promising and uncharted new technology for the next generation of wireless communication systems. This paper proposes a novel generalized light emitting diode (LED) index modulation ... -
Optical wireless communications – an emerging technology
(IEEE, 2014)Optical wireless communication (OWC) enables wireless connectivity using infrared, visible or ultraviolet bands. With its powerful features such as high bandwidth, low cost and operation in an unregulated spectrum, OWC can ... -
Optik iletişim sistemlerinde standart CMOS fotodiyotların uygulaması
(IEEE, 2017)Bu bildiride standart CMOS üretim süreçleri ile gerçeklenmiş, mikroelektronik sistemlere düşük maliyetlerle tümleştirilebilecek fotodiyot yapılarının optik haberleşme sistemlerine uygulanabilirliği incelenmiştir. Silikon ... -
Optimal battery sizing & dispatch model for transformer loss reduction: A new local servicb
(IEEE, 2022)The possible services of batteries are expanding within the scope of transforming electricity networks. In this study, the potential of batteries to increase transformer efficiency is revealed. It is aimed to maximize the ...
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