Browsing by Author "Touati, Farid"
Now showing items 21-40 of 57
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Feasibility and performance evaluation of a 6LoWPAN-enabled platform for ubiquitous healthcare monitoring
Touati, Farid; Ben Mnaouer, Adel; Erdene-Ochir, Ochirkhand; Mehmood, Waiser; Hassan, Ammad; Gaabab, Brahim... more authors ... less authors ( John Wiley and Sons Ltd , 2016 , Article)Technology has revolutionized medical practices by enabling more convenient and non-intrusive monitoring of patient's health, leading to next generation ubiquitous healthcare (u-healthcare). The exploitation of the Internet ... -
First Hybrid 1gbps/0.1 Gbps Free-space Optical /rf System Deployment And Testing In The State Of Qatar
Jawad Hussain, Syed; Touati, Abir; Elamri, Mohammad; Kazemi, Hossein; Touati, Farid; Uysal, Murat... more authors ... less authors ( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)I.BACKGROUND & OBJECTIVES Owing to its high-bandwidth, robustness to EMI, and operation in unregulated spectrum, free-space optical communication (FSO) is uniquely qualified as a promising alternative or complementary ... -
Flexible impedance and capacitive tensile load Sensor based on CNT composite
Ahmad, Zubair; Karimov, Kh S.; Touati, Farid ( Institute of Physics Publishing , 2016 , Article)In this paper, the fabrication and investigation of flexible impedance and capacitive tensile load sensors based on carbon nanotube (CNT) composite are reported. On thin rubber substrates, CNTs are deposited from suspension ... -
Flexible organic photo-thermogalvanic cell for low power applications
Ahmad, Zubair; Karimov, Khasan S.; Fatima, Noshin; Touati, Farid ( Springer New York LLC , 2016 , Article)In this paper, we report an organic semiconductor based flexible thermogalvanic cell for conversion of heat and light energy into electric power. This thermogalvanic cell has been fabricated using a eco-friendly, affordable ... -
Flexible thermo-electrochemical cells using Iodolyte HI-30 for conversion of low-grade heat to electrical energy
Ahmad, Zubair; Bhadra, Jolly; Touati, Farid; Alashraf, Abdullah; Shakoor, R. A.; Al-Thani, N. J.... more authors ... less authors ( Royal Society of Chemistry , 2016 , Article)In this research work, we investigated the flexible thermo-electro chemical cells (TECs) for the conversion of low-grade heat into electrical energy in the temperature range of 20–70 °C. The TECs were fabricated using 30 ... -
Gas sensor based on PANI/Cu-ZnS porous micropshere film for CO2 detection
Parangusan, Hemalatha; Bhadra, Jolly; Ahmad, Zubair; Mallick, Shoaib; Touati, Farid; Al-Thani, Noora Jabor... more authors ... less authors ( Qatar University Press , 2020 , Poster)In this letter, we report the structural, morphological and CO2 gas sensing properties of the polyaniline (PANI) coated Cu-ZnS microspheres. PANI coated Cu-ZnS microspheres were prepared by hydrothermal and in-situ ... -
Hierarchical BaTiO3/NiFe2O4 nanocomposite as an efficacious photoanode for photoelectrochemical water splitting
Parangusan, Hemalatha; Bhadra, Jolly; Ahmad, Zubair; Karuppasamy, K.; Mallick, Shoaib; Touati, Farid; Al-Thani, Noora... more authors ... less authors ( Elsevier , 2022 , Article)Photocatalysis of water for the production of oxygen and hydrogen is one of the most important development in the drive for clean energy, and it has received a lot of attention because it is a green and easy step to generate ... -
Hybrid transparent conductive electrodes with copper nanowires embedded in a zinc oxide matrix and protected by reduced graphene oxide platelets
Zhu,Zhaozhao; Mankowski,Trent; Balakrishnan,Kaushik; Shikoh,Ali Sehpar; Touati,Farid; Benammar,Mohieddine A.; Mansuripur,Masud; Falco,Charles M.... more authors ... less authors ( American Institute of Physics Inc. , 2016 , Article)Transparent conductive electrodes (TCE) were fabricated by combining three emerging nano-materials: copper nanowires (CuNWs), zinc oxide (ZnO) nano-particulate thin films, and reduced graphene oxide (rGO) platelets. Whereas ... -
Impact of moisture contents on the performance of organic bi-layer ITO/OD thermo-electric cells
Ahmad, Zubair; Karimov, Khasan S.; Touati, Farid; Moiz, S. A.; Ali, Rashid; Shakoor, R. A.; Al-Thani , N. J.... more authors ... less authors ( Springer New York LLC , 2016 , Article)We propose a bi-layer thermo-electric cell based on elastic indium tin oxide (ITO) substrate and organic semiconductor orange dye (OD). It is observed that thermo-electric voltages are ~30% higher in bi-layer ITO/OD cell ... -
Impact of outdated CSI on the secrecy performance of dual-hop networks using cooperative jamming
Mallat, Walid; Alouane, Wided Hadj; Boujemaa, Hatem; Touati, Farid ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)This paper studies the problem of secure dual-hop AF network in the presence of eavesdropper. We study the secrecy performance of partial relay selection with outdated channel state information (CSI). We propose a system ... -
Improvement of humidity sensing properties of PVDF-TiO2 nanocomposite films using acetone etching
Mallick, Shoaib; Ahmad, Zubair; Touati, Farid; Shakoor, R.A. ( Elsevier B.V. , 2019 , Article)In this work, we enhanced the humidity sensing properties of the polyvinylidene fluoride titanium dioxide (PVDF-TiO2) nanocomposites based capacitive humidity sensors by modifying the film surface. The surface morphology ... -
Integrated capacitive and resistive humidity transduction via surface type nickel phthalocyanine based sensor
Ahmad, Zubair; Touati, Farid; Zafar, Qayyum; Shah, Mutabar ( Electrochemical Science Group , 2017 , Article)This paper reports the study of an organic semiconductor nickel phthalocyanine (NiPc) based thin film surface-type integrated capacitive and resistive type humidity sensor. The capacitance and resistance of the fabricated ... -
Integration of the inexpensive CuNWs based transparent counter electrode with dye sensitized photo sensors
Shikoh, Ali Sephar; Ahmad, Zubair; Touati, Farid; Shakoor, R. A.; Al-Thani, N. J.; Zhu, Zhaozhao; Mankowski, Trent; Benammar, Mohieddine A.; Mansuripur, Masud; Falco, Charles M.... more authors ... less authors ( Royal Society of Chemistry , 2016 , Article)We demonstrate, a newly developed, inexpensive transparent conducting electrode (TCE) based on copper nanowires (CuNWs) combined with reduced graphene oxide (rGO) and poly(3,4-ethylenedioxythiophene) polystyrene sulfonate ... -
Investigation of solar PV performance under Doha weather using a customized measurement and monitoring system
Touati, Farid; Al-Hitmi, M.A.; Chowdhury, Noor Alam; Hamad, Jehan Abu; San Pedro Gonzales, Antonio J.R. ( Elsevier Ltd , 2016 , Article)A key factor in future eco-friendly and reliable energy systems for network stability is energy prediction of renewable resources. However, the climate-induced performance degradation represents a major drawback to solar ... -
Machine learning based photovoltaics (PV) power prediction using different environmental parameters of Qatar
Khandakar , Amith; Chowdhury, Muhammad E. H.; Kazi, Monzure- Khoda; Benhmed , Kamel; Touati , Farid; Al-Hitmi, Mohammed; Gonzales , Antonio Jr S. P.... more authors ... less authors ( MDPI AG , 2019 , Article)Photovoltaics (PV) output power is highly sensitive to many environmental parameters and the power produced by the PV systems is significantly affected by the harsh environments. The annual PV power density of around 2000 ... -
Morphological and structural properties of VoPcPhO:P3HT composite thin films
Izzat Azmer, Mohamad; Ahmad, Zubair; Sulaiman, Khaulah; Touati, Farid ( Elsevier , 2016 , Article)In this paper, we report the formation of VOPcPhO and P3HT composite nanostructures by spin-coating technique. Novel structural and morphological properties of the composite film have been observed at a specific volumetric ... -
On the effects of combined atmospheric fading and misalignment on the hybrid FSO/RF transmission
Touati, Abir; Abdaoui, Abderrazak; Touati, Farid; Uysal, Murat; Bouallegue, Ammar ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)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
Touati, Abir; Abdaoui, Abderrazak; Touati, Farid; Uysal, Murat; Bouallegue, Ammar ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)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 ... -
One-dimensional facile growth of MAPbI3 perovskite micro-rods
Mishra, Arti; Ahmad, Zubair; Touati, Farid; Shakoor, R. A.; Nazeeruddin, Mohammad Khaja ( Royal Society of Chemistry , 2019 , Article)One-dimensional microrods (4–5 mm) of PbI2 and CH3NH3PbI3 (MAPbI3) with unique structural and morphological properties have been grown at room temperature. X-ray diffraction (XRD) patterns of both types of micro-rods exhibit ... -
Opportunistic routing and data dissemination protocol for energy harvesting wireless sensor networks
Bouachir, Ons; Ben Mnaouer, Adel; Touati, Farid; Crescini, Damiano ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Recent advances in environmental sources harvesting technologies is a promising solution to provide sustainable energy sources for wireless sensor networks (WSN). Renewable energy sources such as solar, thermal and ...