Electrical Engineering: المرسلات الحديثة
السجلات المعروضة 1281 -- 1300 من 2846
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Towards understanding the effects of climatic and environmental factors on solar PV performance in arid desert regions (Qatar) for various PV technologies
( IEEE , 2012 , Conference)The sensitivity of various solar photovoltaic technologies to dust, temperature and relative humidity is investigated for Qatar's environment. Results obtained show that mono-crystalline PVs have efficiencies as high as ... -
A fuzzy logic based irrigation management system in arid regions applied to the state of qatar
( WITPress , 2012 , Article)In arid and hyper arid regions like Qatar, the time and duration of irrigation is key to achieving sustainable irrigations. This paper proposes a practical solution based on artificial intelligence where all design and ... -
Long-term performance analysis and power prediction of PV technology in the State of Qatar
( 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 ... -
A Deep Learning Model for LoRa Signals Classification Using Cyclostationay Features
( IEEE Computer Society , 2021 , Conference)With the witnessed exponential growth of Internet of Things (IoT) nodes deployment following the emerging applications, multiple variants of technologies have been proposed to handle the IoT requirements. Among the proposed ... -
On physical layer security of correlated multiantenna cognitive radio receivers
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference)In limited space scenarios, the antennas in the multiantenna cognitive radio (CR) system are closely spaced and often experience correlation among them. In this work, the secrecy performance of correlated multiantenna CR ... -
A Novel Downlink IM-NOMA Scheme
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In the next generations of communication systems, resources' scarcity devolves to a more critical point as a consequence of the expected massive number of users to be served. Furthermore, the users' contradicting requirements ... -
A Novel RIS-Assisted Modulation Scheme
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In this work, in order to achieve higher spectrum efficiency, we propose a reconfigurable intelligent surface (RIS)-assisted multi-user communication uplink system. Different from previous work in which the RIS only optimizes ... -
Performance of THz Communications Over Cascaded RISs: A Practical Solution to the Over-Determined Formulation
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)As a last resort for radio frequency communication, Terahertz bands (0.1-10 THz) are targeted thanks to their ability to provide ultra-wide bandwidth satisfying varieties of emerging applications. However, the waves ... -
A Secrecy Study of UAV Based Networks with Fountain Codes and FD Jamming
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Securing wireless communication using different techniques has been an interesting topic for research, especially with the increasing demand on fast and secure transmission. In this research, we conduct a performance ... -
A downlink index-modulation based nonorthogonal multiple access scheme
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)Massive connectivity and spectral efficiency are among the main defining terms of the future communications era. Therefore, revolutionary technologies are required to keep up with the connectivity and spectrum demands. ... -
On the Error Performance of Non-orthogonal Multiple Access Systems
( IEEE Computer Society , 2020 , Conference)Unlike orthogonal multiple access schemes, non-orthogonal (NOMA) ones have arisen as an appealing solution to meet the requirements of the upcoming era of massive connectivity. In NOMA schemes, users are allowed to ... -
On Optimizing the Secrecy Performance of RIS-Assisted Cooperative Networks
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)Employing reconfigurable intelligent surfaces (RIS) is emerging as a game-changer candidate, thanks to their unique capabilities in improving the power efficiency and supporting the ubiquity of future wireless communication ... -
Secrecy Performance Analysis of RIS-Aided Wireless Communication Systems
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this work, we study the secrecy performance of a reconfigurable intelligent surfaces (RIS)-aided wireless communication system in the presence of an eavesdropping user. Specifically, we assume that the RIS is placed ... -
On the Performance of RIS-Assisted Dual-Hop UAV Communication Systems
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this paper, to further improve the coverage and performance of unmanned aerial vehicle (UAV) communication systems, we propose a reconfigurable intelligent surface (RIS)-assisted UAV scheme where an RIS installed on a ... -
Secrecy Outage Performance of Ground-to-Air Communications with Multiple Aerial Eavesdroppers and Its Deep Learning Evaluation
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this letter, we study the secure information transmission from a ground base station (GBS) to a legitimate unmanned aerial vehicle (UAV) user, in the presence of multiple UAV eavesdroppers. To enhance the secrecy ... -
Amount of Secrecy Loss: A Novel Metric for Physical Layer Security Analysis
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this letter, we present a novel and important performance metric for analyzing and evaluating the physical layer security of wireless communication systems in the presence of eavesdropping users. Specifically, we introduce ... -
Self-Energized UAV-Assisted scheme for cooperative wireless relay networks
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Unmanned aerial vehicles (UAVs) have recently been envisaged as an enabling technology of 5G. UAVs act as an intermediate relay node to facilitate uninterrupted, high quality communication between information sources and ... -
Smart and Secure Wireless Communications via Reflecting Intelligent Surfaces: A Short Survey
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)With the emergence of the Internet of Things (IoT) technology, wireless connectivity should be more ubiquitous than ever. In fact, the availability of wireless connection everywhere comes with security threats that, ... -
Generalized area spectral efficiency of wireless ad-hoc networks over Rayleigh fading
( Korean Institute of Communication Sciences , 2020 , Article)Generalized area spectral efficiency (GASE) was introduced as a metric to quantify the spectral utilization efficiency of wireless transmissions. Unlike other performance metrics, GASE takes into account the spatial property ... -
On the Ergodic Secrecy Rate of Massive MIMO Transmission with Partial Legitimate User CSI
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference)In this paper, we consider the downlink transmission over a single-cell massive multiple-input-multiple-output (MIMO) system in the presence of multiple single-antenna eavesdroppers (massive MIMOME). We concentrate on the ...
