Browsing by Author "Abdaoui, A."
Now showing items 1-16 of 16
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A modular IoT platform for real-time indoor air quality monitoring
Benammar M.; Abdaoui A.; Ahmad S.H.M.; Touati F.; Kadri A. ( MDPI AG , 2018 , Article)The impact of air quality on health and on life comfort is well established. In many societies, vulnerable elderly and young populations spend most of their time indoors. Therefore, indoor air quality monitoring (IAQM) is ... -
A real-time gradient aware multi-variable handheld urban scale air quality mapping IoT system
Tariq H.; Abdaoui A.; Touati F.; E Al-Hitmi M.A.; Crescini D.; Manouer A.B.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)In outdoor urban scale air quality mapping, electrochemical sensors warm-up time, cross-sensitivity, geo-location typography, and energy efficiency are major challenges. These challenges lead to real-time gradient anomalies ... -
A smart rig for calibration of gas sensor nodes
Benammar M.A.; Ahmad S.H.M.; Abdaoui A.; Tariq H.; Touati F.; Al-Hitmi M.; Crescini D.... more authors ... less authors ( MDPI AG , 2020 , Article)Electrochemical gas sensors require regular maintenance to check and secure proper functioning. Standard procedures usually involve testing and recalibration of the sensors, for which working environments are needed. ... -
A smart rig for calibration of gas sensor nodes: Test and deployment
Abdaoui A.; Touati F.; Tariq H.; Ben Mnouar A. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Nowadays, large number of sensors are deployed and used for air quality monitoring or in some industries that process hazardous gases. These sensors need periodic calibration to ensure reliable measurements. This paper ... -
An Autonomous Multi-Variable Outdoor Air Quality Mapping Wireless Sensors IoT Node for Qatar
Tariq H.; Abdaoui A.; Touati F.; E Al-Hitmi M.A.; Crescini D.; Mnaouer A.B.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)In all outdoor long haul air quality monitoring and mapping applications, sensing accuracy, the sustainability of telemetry, and resilience in node systems and operation are major challenges. The severity of these challenges ... -
An experimental performance evaluation of the hybrid FSO/RF
Touati A.; Touati F.; Abdaoui A.; Khandakar A.; Hussain S.J.; Bouallegue A.... more authors ... less authors ( SPIE , 2017 , Conference Paper)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 ... -
Design and Implementation of Cadastral Geo-spatial IoT Network Gateway Analyzer for Urban Scale Infrastructure Health Monitoring
Tariq H.; Abdaoui A.; Touati F.; Al-Hitmi M.A.E.; Crescini D.; Mnaouer A.B.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)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) ... -
Design and Implementation of Multi-Protocol Data Networks Interface Detector in Heterogeneous IoTs
Tariq H.; Abdaoui A.; Touati F.; Al-Hitmi M.A.E.; Crescini D.; Manouer A.B.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)In Internet of Everything (IoE) or heterogeneous IoTs, there exist a plethora of protocols and inter-connected Internet of Things. For every network protocol, the complexity of communication and wiring at the physical ... -
Energy Efficient Real time Outdoor Air Quality Monitoring System
Abdaoui A.; Ahmad S.H.M.; Tariq H.; Touati F.; Mnaouer A.B.; Al-Hitmi M.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Outdoor air quality monitoring (OAQM) is of great importance to human health and environment. Engineers and researchers are increasingly focusing their efforts on the design of real-time OAQM systems using wireless sensor ... -
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 ... -
Fuzzy Elliptic Curve Cryptography for Authentication in Internet of Things
Abdaoui A.; Erbad A.; Al-Ali A.; Mohamed A.; Guizani M. ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The security and privacy of the network in Internet of Things (IoT) systems are becoming more critical as we are still more dependent on smart systems. Considering that packets are exchanged between the end user and the ... -
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 ... -
Key Generation Based Fuzzy Logic and Elliptic Curve Cryptography for Internet of Things (IoT) Authentication
Abdaoui A.; Erbad A.; Al-Ali A.; Mohamed A.; Guizani M. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)The security and privacy of the network in the Internet of Things is playing an important challenge for researchers and engineers. Considering that packets are exchanged between the end user and the sensing devices, it is ... -
Optimal Consensus Time Synchronizations for Wireless Sensor Networks
Abdaoui A.; Tariq H.; Touati F.; Elfouly T.; Al-Hitmi M.; Ahmed M.H.... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Wireless Sensor Networks (WSNs) have received an important consideration in recent years regarding its broad area of applications. Time synchronization is one of the most important challenges of WSNs. This paper proposes ... -
Prospects and challenges of free space optical communications
Touati A.; Touati F.; Abdaoui A.; Khandakar A.; Bouallegue A. ( Springer Verlag , 2018 , Conference Paper)Free space optical (FSO) transmission is a technology which uses a narrow laser beam to transmit the signal from the source to the destination through the free space. Although it has various advantages, a laser beam ... -
Real-time gradient-aware indigenous AQI estimation IoT platform
Tariq H.; Abdaoui A.; Touati F.; Al Hitmi M.A.; Crescini D.; Mnaouer A.B.... more authors ... less authors ( ASTES Publishers , 2020 , Article)Environmental monitoring has gained significant importance in outdoor air quality measurement and assessment for fundamental survival as well as ambient assisted living. In real-time outdoor urban scale, instantaneous air ...