Electrical Engineering: Recent submissions
Now showing items 1241-1260 of 2846
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Design and Implementation of a RF Based Anti-Drone System
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)Drones or unmanned aerial vehicles are having an increased popularity in all fields of applications such as transportation, traffic monitoring, military surveillance etc. However, this technology can be used for destruction ... -
Design and Implementation of Cadastral Geo-spatial IoT Network Gateway Analyzer for Urban Scale Infrastructure Health Monitoring
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)Urban and global scale health monitoring systems have gained significance in digital ecosystems. Every stakeholder is striving for efficiency through performance analysis of digital infrastructure health monitoring (IHM) ... -
Dissipativity Analysis of a Class of Competitive Neural Networks with Proportional Delays
( Springer Verlag , 2019 , Conference)This paper dealt with the dissipativity problem for a class of competitive neural networks with proportional delays. Based on Lyapunov functionals approach, new sufficient conditions are derived to ensuring the strictly ... -
Evaluation of FSO link throughput in Qatar
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)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 ... -
Feasibility of air quality monitoring systems based on environmental energy harvesting
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)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 ... -
An experimental performance evaluation of the hybrid FSO/RF
( SPIE , 2017 , Conference)This paper is a first attempt to study the effects of atmospheric turbulences on hybrid free space optics/ radio frequency (FSO/RF) transmission system in Doha, Qatar. The state of Qatar is characterized by a Mediterranean ... -
Ultrahigh Aspect Ratio Copper-Nanowire-Based Hybrid Transparent Conductive Electrodes with PEDOT:PSS and Reduced Graphene Oxide Exhibiting Reduced Surface Roughness and Improved Stability
( American Chemical Society , 2015 , Article)Copper nanowires (CuNWs) with ultrahigh aspect ratio are synthesized with a solution process and spray-coated onto select substrates to fabricate transparent conductive electrodes (TCEs). Different annealing methods are ... -
n-InAs based photo-thermo-electrochemical cells for conversion of solar to electrical energy
( Elsevier B.V. , 2016 , Article)This paper presents the photo-thermo-electrochemical (PEC) response of various combinations of the n-type indium arsenide (n-InAs) photo-electrode with different counter electrodes, i.e., Ag, Al, Cu, Pb, Zn and ITO. The ... -
Binary blend based dye sensitized photo sensor using PCPDTBT and MEH-PPV composite as a light sensitizer
( Elsevier Ltd , 2015 , Article)In this research, we present a binary blend of two polymers, i.e., namely, poly[2,6-(4,4-bis-(2-ethylhexyl)-4H-cyclopenta [2,1-b;3,4-b′]dithiophene)-alt-4,7(2,1,3-benzothiadiazole)] (PCPDTBT) and poly[2-methoxy-5-(2-ethy ... -
Outage performance of multi-hop hybrid FSO/RF communication systems
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)In this paper, five scenarios are considered for the realization of a multi-hop hybrid free-space optical/radio frequency (FSO/RF) communication system with decode-and-forward (DF) relaying, and analytical outage probability ... -
Study of a ternary blend system for bulk heterojunction thin film solar cells
( Institute of Physics Publishing , 2016 , Article)In this research, we report a bulk heterojunction (BHJ) solar cell consisting of a ternary blend system. Poly(3-hexylthiophene) P3HT is used as a donor and [6,6]-phenyl C61-butyric acid methylester (PCBM) plays the role ... -
Indoor test of the fog's effect on FSO link
( SPIE , 2017 , Conference)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 ... -
A fuzzy logic based irrigation system enhanced with wireless data logging applied to the state of Qatar
( Elsevier B.V. , 2013 , Article)In arid regions, developing environment and crop-specific irrigation scheduling that reduces water lost via evapotranspiration is a key to a sustainable and better managed irrigation. This paper presents a practical solution ... -
A 3G/WiFi-enabled 6LoWPAN-based U-healthcare system for ubiquitous real-time monitoring and data logging
( IEEE Computer Society , 2014 , Conference)Ubiquitous healthcare (U-healthcare) systems are expected to offer flexible and resilient high-end technological solutions enabling remote monitoring of patients health status in real-time and provisioning of feedback and ... -
Towards u-health: An indoor 6LoWPAN based platform for real-time healthcare monitoring
( IEEE , 2013 , Conference)Ubiquitous healthcare is the key to handle the challenges of the growing population around the world. A variety of u-healthcare systems have been developed using various short-range technologies and proprietary protocols ... -
U-healthcare system: State-of-the-art review and challenges
( SpringerLink , 2013 , Article)With the increase of an ageing population and chronic diseases, society becomes more health conscious and patients become "health consumers" looking for better health management. People's perception is shifting towards ... -
Development of energy efficient battery electric car for Shell Eco-Marathon competition - Qatar University experience
( IEEE Computer Society , 2014 , Conference)The paper reports on the participation of Electrical Engineering students of Qatar University students in Shell Eco Marathon (SEM) competition, which aims at designing and racing energy efficient vehicles. This participation ... -
Preliminary studies on autonomous sensor systems dedicated to air quality monitoring
( IMEKO-International Measurement Federation Secretariat , 2014 , Conference)Sensor systems and smart networks devoted to environmental supervision have today assisted the analysis of primal processes and they have also provided vital hazard early warnings. At the same time the use of environmental ... -
Study of the effects of dust, relative humidity, and temperature on solar PV performance in Doha: Comparison between monocrystalline and amorphous PVS
( Taylor & Francis , 2013 , Article)The sensitivity of various solar photovoltaic technologies to dust, temperature, and relative humidity is investigated for Doha's environment. Results obtained show that monocrystalline photovoltaics (PVs) have efficiencies ... -
A comparative analysis of BLE and 6LoWPAN for U-HealthCare applications
( IEEE , 2013 , Conference)For decades, there exist a variety of low-power wireless technologies deployed for healthcare applications such as Zigbee/IEEE802.15.4, Bluetooth, ANT, NFC, IrDA. However, the recently announced Bluetooth Low Energy (BLE) ...