Browsing by Author "Touati F."
Now showing items 41-60 of 105
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Environmentally powered multiparametric wireless sensor node for air quality diagnostic
Touati F.; Legena C.; Galli A.; Crescini D.; Crescini P.; Ben Mnaouer A.... more authors ... less authors ( M Y U Scientific Publishing Division , 2015 , Article)Sensor networks dedicated to environmental monitoring have helped in the analysis of primal processes and have also provided vital hazard early warnings. At the same time, environmental energy is now becoming a popular ... -
Evaluation of FSO link throughput in Qatar
Hussain S.J.; Touati A.; Elamri M.; Touati F.; Uysal M. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Despite the vibrant advantages of Free Space Optics (FSO) technology and the variety of its applications, its widespread adoption has been hampered by rather disappointing link reliability for long-range links due to ... -
Experimental setup to validate the effects of major environmental parameters on the performance of FSO communication link in Qatar
Khandakar A.; Touati A.; Touati F.; Abdaoui A.; Bouallegue A. ( MDPI AG , 2018 , Article)Weather conditions and chemical composition of the atmosphere are the most uncontrollable challenges for free-space optical (FSO) communications. Environmental parameters contribute directly in the characterization of ... -
Facile preparation of N-S co-doped graphene quantum dots (GQDs) from graphite waste for efficient humidity sensing
Jlassi K.; Mallick S.; Eribi A.; Chehimi M.M.; Ahmad Z.; Touati, Farid; Krupa I.... more authors ... less authors ( Elsevier B.V. , 2021 , Article)In this work, graphene quantum dots (GQDs) were prepared from Graphitic waste. The resulting GQDs were evaluated for the potential application for resistive humidity sensors. The resistive humidity sensors were fabricated ... -
Feasibility of air quality monitoring systems based on environmental energy harvesting
Touati F.; Galli A.; Crescini D.; Crescini P.; Mnaouer A.B. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Capillary wireless sensor networks dedicated to air quality monitoring have provided essential information on hazardous air condition, generating early warnings to prevent danger situation for human health. The arising ... -
Geographical area network-structural health monitoring utility computing model
Tariq H.; Tahir A.; Touati F.; Al-Hitmi M.A.E.; Crescini D.; Manouer A.B.... more authors ... less authors ( MDPI AG , 2019 , Article)In view of intensified disasters and fatalities caused by natural phenomena and geographical expansion, there is a pressing need for a more effective environment logging for a better management and urban planning. This ... -
Global dissipativity of Clifford-valued multidirectional associative memory neural networks with mixed delays
Chaouki A.; Touati F. ( Springer Science and Business Media Deutschland GmbH , 2020 , Article)The main goal of this article is to study the global dissipativity problem of Clifford-Valued Multidirectional Associative Memory Neural Networks (CVMAMNNs) with time-varying delays and distributed delays. Based on Lyapunov ... -
Global dissipativity of fuzzy bidirectional associative memory neural networks with proportional delays
Aouiti C.; Sakthivel R.; Touati F. ( University of Sistan and Baluchestan , 2021 , Article)This article aimed to investigate the problem of global dissipativity of Fuzzy Bidirectional Associative Memory Neural Networks (FBAMNNs- for short) with proportional delays. Via Lyapunov Functionals (LFs- for short) and ... -
Global dissipativity of fuzzy cellular neural networks with inertial term and proportional delays
Aouiti C.; Sakthivel R.; Touati F. ( Taylor and Francis Ltd. , 2020 , Article)This paper is concerned with the global dissipativity of fuzzy cellular neural networks with inertial term and proportional delays. Based on Lyapunov functionals and linear matrix inequality approach, new sufficient ... -
Global dissipativity of high-order Hopfield bidirectional associative memory neural networks with mixed delays
Aouiti C.; Sakthivel R.; Touati F. ( Springer , 2020 , Article)In this paper, the problem of the global dissipativity of high-order Hopfield bidirectional associative memory neural networks with time-varying coefficients and distributed delays is discussed. By using Lyapunov?Krasovskii ... -
HARQ Performance over FSO Channels with Atmospheric Fading and Pointing Errors
Touati A.; Hasna M.O.; Touati F. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Free space optical communications (FSO) have witnessed a growing interest in the last few decades due to its various advantages. However, this technology suffers from its sensitivity to the atmospheric conditions such as ... -
High-Performance BiCMOS Transimpedance Amplifiers for Fiber-Optic Receivers
Touati F.; Loulou M. ( Sultan Qaboos University , 2017 , Article)High gain, wide bandwidth, low noise, and low-power transimpedance amplifiers based on new BiCMOS common- base topologies have been designed for fiber-optic receivers. In particular a design approach, hereafter called "A ... -
Highly transparent low sheet resistance electrodes for solar cell applications
Shikoh A.; Popelka A.; Touati F.; Benammar M.; Zhu Z.; Mankowski T.; Balakrishnan K.; Mansuripur M.; Falco C.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)High aspect ratio copper nanowires were synthesized, using a solution-based approach. The nanowires along with reduced graphene oxide thin films were sprayed onto glass and flexible substrates and later annealed in order ... -
Humidity sensor based on poly(lactic acid)/PANI-ZnO composite electrospun fibers
Parangusan, Hemalatha; Bhadra, Jolly; Ahmad, Zubair; Mallick, Shoaib; Touati, Farid; Al-Thani, Noora... more authors ... less authors ( Royal Society of Chemistry , 2021 , Article)The electrospinning technique has been successfully used to prepared micro-fibers of the poly(lactic acid)/polyaniline–zinc oxide (PLA/PANI–ZnO) composite. The polyaniline–zinc oxide (PANI–ZnO) nanocomposites are synthesized ... -
Hybrid thin-films of graphene materials and metallic nanowires for next generation transparent electrodes
Zhu Z.; Mankowski T.; Balakrishinan K.; Touati F.; Benammar M.A.; Mansuripur M.; Falco C.M.... more authors ... less authors ( Optics InfoBase , 2013 , Conference Paper)We report advances in the fabrication and characterization of transparent conductive electrodes based on thin-films of metallic nanowires (copper and silver) encapsulated with graphene, graphene oxide, and reduced graphene ... -
Indoor test of the fog's effect on FSO link
Touati A.; Abdaoui A.; Touati F.; Khandakar A.; Bouallegue A. ( SPIE , 2017 , Conference Paper)In order to distinguish the most rigorous model, we made a comparison between measurements data and the mostly used empirical models. These models use the visibility as a basic parameter to predict the fog attenuation. In ... -
Investigation of the structural, optical and gas sensing properties of PANI coated Cu-ZnS microsphere composite
Parangusan H.; Bhadra J.; Ahmad Z.; Mallick S.; Touati F.; Al-Thani N.... more authors ... less authors ( Royal Society of Chemistry , 2020 , Article)Polyaniline (PANI)/Cu-ZnS composites with porous microspheres are prepared by a hydrothermal and in situ polymerization method. The structural, optical, and morphological properties are characterized by X-ray powder ... -
Investigations on recent power-aware opportunistic protocols in WSN
Fourati L.; El-Kaffel S.; Mnaouer A.B.; Touati F. ( IEEE Computer Society , 2018 , Conference Paper)Nowdays, Wireless Sensor Networks (WSNs), Internet of Things (IoT), Industrial IoT (IIoT), and Cognitive IoT (CIoT), have attracted the attention of many researchers and industrials in different domains due to their wide ... -
Limits and possible solutions in quantum dot organic solar cells
Ahmad Z.; Najeeb M.A.; Shakoor R.A.; Al-Muhtaseb S.A.; Touati F. ( Elsevier Ltd , 2018 , Article Review)In this review article, we present recent advancements in the field of organic photovoltaics (OPV) that have been achieved through the applications of quantum dots (QDs). We describe the leading experimental accomplishments ... -
Long-term performance analysis and power prediction of PV technology in the State of Qatar
Touati F.; Chowdhury N.A.; Benhmed K.; San Pedro Gonzales A.J.R.; Al-Hitmi M.A.; Benammar M.; Gastli A.; Ben-Brahim L.... more authors ... less authors ( Elsevier Ltd , 2017 , Article)?Solar photovoltaic (PV) energy in GCC?- the term seems convincing to many solar PV industries due to high solar exposure in GCC region. However, long-term effects such as dust accumulation and seasonal variation are major ...