M. Aseeri

• PhD (Electronics Engineering), SEC, EA, KPI, PMP, ACMP
• Professor at King Abdulaziz City for Science and Technology

Fall causes trauma or critical injury among the geriatric population which is a second leading accidental cause of post-injury mortality around the world. It is crucial to keep elderly people under supervision by ensuring proper privacy and comfort. Thus the elderly fall detection and prediction using wearable/ non-wearable sensors become an active...

Over the next few years, it is expected that the energy demand, particularly that of buildings, will increase due to several factors. There is a great deal of promise for the Internet of Things (IoT) to transform the way we manage and operate buildings, particularly in terms of their energy efficiency. Moreover, sensors and data analysis are able t...

This paper presents the development of a miniature antenna array in a small space in order to achieve superdirectivity for long-range communication. The proposed structures consist of a superdirective metamaterial-inspired array based on a capacitively loaded loop (CLL) driven by an electrically small monopole antenna. This elementary antenna is th...

This article presents a 100-GHz system-on-chip frequency-modulated continuous-wave (FMCW) radar for low-cost drywall inspection. The radar operates at the second harmonic and is implemented in 110-nm complementary metal-oxide-semiconductor (CMOS) with $\emph{f}_{\text{max}} = 82$ GHz, significantly lowering the fabrication cost. On the transmitte...

This work presents a power-efficient differential readout interface with digital output and negative force-feedback for capacitive MEMS accelerometers. The readout interface is designed for the monolithically integrated MEMS accelerometer embedded in the same CMOS die; however, it can also be used for external sensors for structural health monitori...

A Simulation Model for Forecasting COVID-19 Pandemic Spread using C#

The Internet of Things (IoT) has emerged as a technology capable of connecting heterogeneous nodes/objects, such as people, devices, infrastructure, and makes our daily lives simpler, safer, and fruitful. Being part of a large network of heterogeneous devices, these nodes are typically resource-constrained and became the weakest link to the cyber a...

The coronavirus pandemic (COVID-19) spreads worldwide during the first half of 2020. As is the case for all countries, the Kingdom of Saudi Arabia (KSA), where the number of reported cases reached more than 392 K in the first week of April 2021, was heavily affected by this pandemic. In this study, we introduce a new simulation model to examine the...

This work presents a comprehensive detailed comparative study of the three ultra-wideband and high directive antennas for the THz imaging, spectroscopy, and communication applications. Three different types of photoconductive antennas (log-spiral, Vivaldi, and bowtie antennas) are designed and simulated in the frequency range of 1 to 6 THz in the C...

Fall causes trauma or critical injury among the geriatric population which is a second leading accidental cause of post-injury mortality around the world. It is crucial to keep elderly people under supervision by ensuring proper privacy and comfort. Thus the elderly fall detection and prediction using wearable/ non-wearable sensors become an active...

The Coastal Patrol and Surveillance Application (CPSA) is developed and deployed to detect, track and monitor water vessel traffic using automated devices. Latest advancements of marine technologies, including the Automatic Underwater Vehicles, have allowed the development of this type of applications. To facilitate their operations, installation o...

A Vivaldi dipole rectenna system for infrared (IR) energy harvesting is investigated. First, a parametric study on the Vivaldi dipole antenna is performed to collect the maximum electric field between the Vivaldi poles. The antenna arms were optimized to achieve a high‐efficiency rectenna system. The two arms of the antenna were formed using two di...

In March 2020, Saudi Arabia reported that the Coronavirus disease (COVID-19) spread to its territory, originating from China. In this study, a new simulation model estimates and forecasts the number of infected subjects with COVID-19 in the upcoming weeks, based on different parameters, in two major cities in Saudi Arabia, namely Riyadh (the capita...

We review the recent advances on the implementation of electronic circuits that operate in the millimeter-wave (30–300 GHz) and terahertz (300–3000 GHz) frequency ranges. The focus of this article is on nonlinear phenomena in electronics. The different implementations of nonlinear circuits for the sake of millimeter-wave and terahertz signal genera...

Nowadays, in the field of Wireless Sensor Networks (WSNs), the advances in data processing, electronics and wireless communications have become an important reality. Wireless Sensor Networks are employed to solve several problems in some domains like health care, agriculture, monitoring, etc. Data reduction is considered as the best method that red...

In the last years, Wireless Sensor Networks (WSNs) has become a very interesting field for researchers. They are widely employed to solve several problems in different domains like agriculture, monitoring, health care. Then, outlier detection method is considered as a very important step in construction of sensor network systems to ensure data grad...

Water is considered as the most important resource in our life. Pipelines are considered as very important solution to transport water. So, due to the existence of the harsh environmental condition, different detection ways are not great to monitor pipelines. Therefore, all used systems need to be improved to become more efficient. For this reason,...

Terahertz (THz) radiation ranging from 300 GHz to 10 THz [1] has attracted a growing number of researchers over the past decade. They are enthusiastic about its great potential for biomedical diagnoses, security screening, and highspeed communication. For instance, a THz wave can propagate through dry, nonmetallic, and nonpolar materials with small...

Terahertz (THz) sources with stabilized output frequencies are desired in many systems, however, the design of conventional THz phase-locked loops encounters many challenges. In this paper, a fully on-chip frequency-stabilization feedback mechanism is proposed, which avoids the use of both frequency dividers and the off-chip reference, achieving mu...

Phase locked loops (PLLs) effectively generate frequency chirps for frequency-modulated continuous-wave (FMCW) radar and are ideal for integrated circuit implementations. This work discusses the design requirements for integrated PLLs used as chirp synthesizers for FMCW radar and focuses on an analysis of the radar performance based on the PLL conf...

In this paper, an ultra-wideband fully integrated imaging radar at sub-terahertz (sub-THz) frequencies is presented, which demonstrates a fine lateral resolution without using any focal lens/mirror. We have achieved a lateral resolution of 2 mm for an object at 23-cm distance as well as a range resolution of 2.7 mm. To achieve the decent range reso...

A microstrip lowpass filter based on transmission line elements for UWB medical applications is proposed in this paper. The filter is constructed of two symmetric shunt open-circuited stubs and three series unit elements. The filter is designed to exhibit an elliptic function response with equal ripple in the passband and the rejection band. A prot...

The THz band has shown its unique characteristics and great potential in many applications. Harmonic oscillators are commonly used to generate THz signals; however, due to supply noise and ambient environment changes, free-running THz oscillators exhibit large spectral linewidth and frequency drift. As a result, frequency stabilization is required...

Border surveillance is one of the high priority in the security of countries around the world. Typical and traditional border observations involve troops and checkpoints at borders, but these do not provide complete security. One effective solution is the addition of smart fencing to enhance surveillance in a Border Patrol system. More specifically...

Underwater Wireless Sensor Networks (UWSNs) are considered as tangible, low cost solution for underwater surveillance and exploration. Existing acoustic wave-based UWSN systems fail to meet the growing demand for fast data rates required in military operations, oil/gas exploration, and oceanographic data collection. Electromagnetic (EM) wave-based...

Advanced digital RF memory is a key segment of the electronic jammer. A Digital Radio Frequency Memory (DRFM) framework is intended to digitize a Radio Frequency (RF) information signal at a particular recurrence and transmission capacity to communicate by radio signals and reproduce that RF signal after a progression of procedure. The equipment de...

Current trends in front end radar processing have dynamically evolved with the rapid development and integration of Field Programmable Gate Array (FPGA) technologies meriting high speed digital data processing (DSP) capabilities. The meritocracy of FPGAs depends on Fast real time Impulse Response (FIR) filtering algorithms and applications added in...

Body Area Networks (BAN) is a special purpose Wireless Sensor Network (WSN) which is designed for patient monitoring. BAN requires to transmit the monitored data to the medical personals as quick as possible in real time. It is possible to make it web based. The integration of the BAN and cloud computing allows the sensors to transmit their data in...

Body Area Networks (BAN) is a special purpose Wireless Sensor Network (WSN) which is designed for patient monitoring. BAN requires to transmit the monitored data to the medical personals as quick as possible in real time. It is possible to make it web based. The integration of the BAN and cloud computing allows the sensors to transmit their data in...

Wireless sensor networks (WSNs) are playing a vital role in collecting data about a natural or built environment. WSNs have attractive advantages such as low-cost, low maintains and flexible arrangements for applications. Wireless sensor network has been used for many different applications such as military implementations in a battlefield, an envi...

Wireless Sensor Network (WSN) consists of low-cost and multifunctional resources constrain nodes that communicate at short distances through wireless links. It is open media and underpinned by an application driven technology for information gathering and processing. It can be used for many different applications range from military implementation...

Information transmission in the marine scenario utilizing wireless communications is unique method that empowering the technology for the evolution of imminent marine-surveillance systems and sensory networks. Under-water wireless sensor network (UWSN) in one of the auspicious technology for marine observation. The applications of underwater sensin...

Information transmission in the marine scenario utilizing wireless communications is unique method that empowering the technology for the evolution of imminent marine-surveillance systems and sensory networks. Under-water wireless sensor network (UWSN) in one of the auspicious technology for marine observation. The applications of underwater sensin...

This paper presents a new expression of the q-v characteristic of the varactor non-linear capacitor. Microwave chaotic communications systems are demonstrated using AM signal and the application of the microwave chaotic generator in chaotic radar systems using RF signal are obtained. The transmitter for both systems are simulated based on frequency...

This paper presents a new expression of the q-v characteristic of the varactor non-linear capacitor. Microwave chaotic communications systems are demonstrated using AM signal and the application of the microwave chaotic generator in chaotic radar systems using RF signal are obtained. The transmitter for both systems are simulated based on frequency...

This study argues that the concept of 'self-organization' is useful as an alternative to evaluate innovative capacity in rural communities and enable an effective engagement with the economic development regions. The concept of self-organization provides a means of reviewing regions in a manner which enables local Governments to measure and develop...

Border security has become a high-priority issue in many countries around the world. The Conventional border surveillance or petrol systems consist of check points and border troops but it does not provide the complete security. In addition to that smart fencing is a solution to extend the eyes and ears of the Border Patrol. The idea is to use wire...

Several years have been passed, statistics are tabled which confirm that things are not going well in road traffic safety. Reporting concentrates excessively on statistics and is at times so technical and distant from the human element and emotional dimension that the statistics seem to be an end unto them. But road traffic safety is not about stat...

Border surveillance systems have recently came into attention to address the concerns about national security. Conventional border surveillance or petrol systems consist of check points and border troops. The existing system for surveillance suffers from intensive human involvement. The recent technology is expensive as it requires using high-tech...

Border surveillance systems have recently came into attention to address the concerns about national security. Conventional border surveillance or petrol systems consist of check points and border troops. The existing system for surveillance suffers from intensive human involvement. The recent technology is expensive as it requires using high-tech...

In this paper, we introduce a new method to implement chaotic generators based on Henon map chaotic system given by the state equations by using Field Programmable Gate Array (FPGA). The aim of this method is to increase the frequency of the chaotic generators. The new method is based on MATLAB® Software, Xilinx System Generator, Xilinx Alliance to...

Border surveillance systems have recently came into attention to address the concerns about national security. Conventional border surveillance or petrol systems consist of check points and border troops. The existing system for surveillance suffers from intensive human involvement. The recent technology is expensive as it requires using high-tech...

A new wideband patch antenna is investigated for wireless communication systems. The antenna consists of a folded plate slit feed and a shorting wall attached to stack patch. Bandwidth broadening is achieved by a two notched stacked rectangular patch and the size reduction is realized through the use of shorting wall. Electromagnetic coupling in be...

Effectively and efficiently protect country board from the intrusions from external threats and the increasing smuggling people, drugs, and arms becomes one of most important and imminent targets at agency deal to protect the border (APB). This research is focusing on “Smart Anti‐Smuggling Radar System,” which, we believe, could be one of solutions...

Elliptic curve cryptosystem (ECC) was proposed by Miller and Koblitz which relies on the difficulty of elliptic curve discrete logarithmic problem (ECDLP). It is gaining wide acceptance as an alternative to the conventional public key cryptosystem such as RSA, DSA, DH. The security of the WSN becomes one of the major concerns in its applications. I...

In this paper, a new method to implement any type of a chaotic generators is introduced by using field programmable gate array (FPGA). The aim of this method is to increase the frequency of the chaotic signals. The new method is based on MATLAB® software, Xilinx system generator, Xilinx alliance tools, Leonardo spectrum or Synplicity Synplify and M...

In this paper, we introduce a new method to implement chaotic generators based on Henon map chaotic system given by the state equations by using Filed Programmable Gate Array (FPGA). The aim of this method is to increase the frequency of the chaotic generators. The new method is based on MATLAB® Software, Xilinx System Generator, Xilinx Alliance to...

In this paper, we introduce a new method to implement chaotic generators based on Lorenz chaotic system given by the state equations by using Filed Programmable Gate Array (FPGA). The aim of this method is to increase the frequency of the chaotic signals. The new method is based on MATLAB^® Software, Xilinx System Generator, Xilinx Allian...

The developed method implements chaotic models in real time using digital hardware is presented. Two types of the continuous chaotic generators are used, these are based on the Chua and Lorenz models. The developed hardware can be used directly in chaotic communication systems.

The paper describes how chaotic generators can be implemented using digital hardware. A continuous chaotic generator based on the Rössler model and a discrete generator based on the Henon map models are described. A complete implementation procedure is given and the results from the simulated and hardware generators are compared. The developed hard...

The developed method implements chaotic models in real time using digital hardware is presented. Two types of the continuous chaotic generators are used, these are based on the Chua and Lorenz models. The developed hardware can be used directly in chaotic communication systems.

An improved model for non-linear amplifiers (NLA) is presented using the MATLAB® software. The model is identified from time domain measurements. Time domain modelling, simulation and frequency domain characteristics are used throughout the procedure. The Modelling of non -linear amplifier is divided in t wo subsystems, obtained by pulse measuremen...