Dr. Tawfik Ismail

Associate Professor

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Dr. Ismail is an Associate Professor in the department of Electronics and Computer, program, School of Engineering and Applied Sciences, Nile University, Egypt. He is the director of the Wireless Intelligent Networks Center (WINC), Nile University since September 2019. He also holds the position of Associate Professor at the National Institute of Laser Enhanced Sciences, Cairo University, Egypt. In 2015, Dr. Ismail had postdoctoral research in optical and wireless communications at the technical institute of microwave and photonic engineering, University of Graz, Austria. In 2018, he joined the optical wireless communication research group at the department of engineering and sciences, University of Oxford, UK, to work in research of quantum communication in free space. His research interests lie in the broad areas including optical and wireless communications, mmWave, mobile edge computing, resource allocation, quantum cryptography, computer security, and blockchain, as well as the applications of artificial intelligence and machine learning in communication networks and healthcare.

Recent Publications

Hybrid NOMA-based ACO-FBMC/OQAM for next-generation indoor optical wireless communications using LiFi technology

Light fidelity (LiFi) has successfully achieved high data transfer rates, high security, great availability, and low interference. In this paper, we propose a LiFi system consisting of a combination of non-orthogonal multi-access (NOMA), asymmetrically-clipped optical (ACO), and filter bank multicarrier (FBMC) techniques combined with offset quadrature amplitude modulation (OQAM). The paper also

Software and Communications

Radio optical network simulation tool (ronst)

This paper presents a radio optical network simulation tool (RONST) for modeling optical-wireless systems. For a typical optical and electrical chain environment, performance should be optimized concurrently before system implementation. As a result, simulating such systems turns out to be a multidisciplinary problem. The governing equations are incompatible with co-simulation in the traditional

Software and Communications

Review organic solar cells parameters extraction and characterization techniques

Organic photovoltaic research is continuing in order to improve the efficiency and stability of the products. Organic devices have recently demonstrated excellent efficiency, bringing them closer to the market. Understanding the relationship between the microscopic parameters of the device and the conditions under which it is prepared and operated is essential for improving performance at the

Software and Communications

Integrated VLC/RF Wireless Technologies for Reliable Content Caching System in Vehicular Networks

In a vehicular communications environment, the need for information sharing, entertainment, and multimedia will increase, leading to congestion of backhaul networks. The major challenge of this network is latency and resource limitations. Proactive caching can be obtained from local caches rather than from remote servers, which can avoid long delays resulting from limited backhaul capacity and
Software and Communications
Innovation, Entrepreneurship and Competitiveness

Effect of thickness and temperature on flexible organic P3HT:PCBM solar cell performance

A blend of poly 3-hexylthiophene (P3HT) and [6, 6]-phenyl-C61-butyric acid methyl ester (PCBM) is used as a photoactive layer for simulating a bulk heterojunction organic solar using general-purpose photovoltaic device model (GPVDM) software. The optical and electrical performance of the cell had been analyzed by changing the thickness of each layer and substrate material over a range of operating

Software and Communications
Mechanical Design

Asymmetrical clipping optical filter bank multi-carrier modulation scheme

Filter bank multi-carrier (FBMC) is considered a promising alternative to the Orthogonal Frequency Division Multiplexing (OFDM) scheme. It improves spectral efficiency by eliminating the need for cyclic prefix while attenuating interference due to the robustness of the out-of-band emission. In this work, we present a framework, and the performance evaluation of FBMC is a multi-carrier modulation
Circuit Theory and Applications
Software and Communications

6G: A comprehensive survey on technologies, applications, challenges, and research problems

The inherent limitations of the network keep on going to be revealed with the continuous deployment of cellular networks. The next generation 6G is motivated by these drawbacks to properly integrate important rate-hungry applications such as extended reality, wireless brain-computer interactions, autonomous vehicles, and so on. Also, to support significant applications, 6G will handle large

Software and Communications

UAV Tracking System Using Integrated Sensor Fusion with RTK-GPS

Tracking Unmanned Aerial Vehicles (UAVs) is a significant surge in commercial or recreational use. The proposed tracking system is involved in determining the position and attitude angles of the UAVs in real-time. Data fusion of multiple sensors is one of the technologies used most in recent years and is based on real-time estimation of UAV's both position and attitude angles with high precision

Software and Communications

A Novel Companding Technique to Reduce High Peak to Average Power Ratio in OFDM Systems

The reduction of the high peak-to-average-power ratio (PAPR) is important to the efficiency of the orthogonal frequency division multiplexing (OFDM) technique. Excessive PAPR contributes to non-linear clipping induced harmonic distortions that reduce system reliability. In this article, a new technique for decreasing the high PAPR in OFDM with minimum effects on the system performance is proposed

Software and Communications
Research Project

Telecom Towers Structure Profiler (TTSP)

Objective/Contributions: The primary objective of this project is to allow the best and most advanced sensing technologies to become an integral part of the tower structure and implement SHM into tower structural design with respect to maintenance cost reduction, increased structural stability and significant weight savings. In addition, the objective includes applying the usage of construction
Research Project

Integrated Artificial Intelligence and Design Expert to Forecast Spread of Corona Virus in Egypt

The main aim of this project is to use artificial intelligence and control modeling to study the COVID-19 spread in Egypt and some African countries. This study will also reveal how long COVID-19 remains infectious and the trajectory of its transmission according to the input data offered to the mathematical models. Objective/Contributions: The outbreak of the COVID-19 virus is associated with
Research Project

Free Space Optical Communication with A Quantum Light

In this project, we developed a high-speed free-space optical communications link using CV-QKD, based on integrated photonics for use in platforms (Stationary FSO, UAVs satellite and HAP). The project demonstrated secure key exchange and high-speed communications in a package that could successfully fly on a drone over a 10+m distance.
Research Project

Developing and Validating an Integrated Precision Agriculture Platform Using IoT/LPWAN Technologies

Objective: The main objective of this project is to access and overcome existing challenges in implementing and developing smart farming, along with challenges raised in integration with both IoT devices and wireless sensor networks. Although many research works have been recently carried out and published in many works of literature to solve these challenges, most of these challenges still
Research Project

Terahertz Metamaterial Structures for Biomedical Sensing Applications

A new design of interdigitated E-shaped metamaterial sensor has been proposed. The structure has been intensively studied using CST software and is optimized to achieve ultrahigh sensitivity at the Terahertz range. Two different structures of the E-shaped sensors have been proposed. Both structures are characterized by a high absorption level at their resonant peaks with an ultra-high sensitivity