Afaq Ahmad

Afaq Ahmad
Sultan Qaboos University | SQU · Department of Electrical and Computer Engineering

PhD, M.Sc. Eng., B.Sc. Eng., PG Diploma

About

298
Publications
347,878
Reads
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1,543
Citations
Introduction
Areas of Current Research: 1. FPGA based digital system design using Verilog-HDL 2. VLSI Testing; test generations, data compressions with optimum DFT/BIST solutions 3. Development of low cost tools and programs on commonly available computing platforms. 4. Reliability & Fault-Tolerant systems: analysis, designs 5. Error correcting & detecting codes 6. LFSR applications: Theory and modeling 7. Secure data handling: static and dynamic 8. Active RC Synthesis via state space technique
Additional affiliations
June 2001 - present
Sultan Qaboos University
Position
  • Professor (Associate)
April 1998 - June 2001
Sultan Qaboos University
Position
  • Professor (Assistant)
September 1992 - March 1998
Sultan Qaboos University
Position
  • Lecturer

Publications

Publications (298)
Conference Paper
There are various types of semiconductor materials such as Germanium (Ge), Silicon (S), Gallium Arsenide (GaAs), Silicon Carbide (SiC), Gallium Nitride (GaN) and Gallium Phosphide (GaP). In recent years, the GaN has gained a popularity amongst the other semiconductor materials, which is widely used in the fabrication of advanced electronic and powe...
Conference Paper
Mathematical Morphology is a technique applied as one of the basic methods of image processing. The technique have been fruitfully applied to many applications in various fields such as agriculture, medical, number plate recognition, and fault detection. The aim of this paper to demonstrate the basics of Mathematical Morphology. The paper will also...
Conference Paper
As technological developments has direct impact on social fabric. In the 21st Century social fabrics becomes denser without the constraints of distance, space and time. Thereby, the attributes of education are challenged to be able to make students have language skills in communication, critical thinking, using of technology to solve complex proble...
Conference Paper
War itself is a tragedy. The severity of the war grimes the humanity crisis. The biggest challenge of the humanity crisis is refugee crisis. Refugee crisis is in terms of speed and scale, unprecedented since the Second World War. The statistics show no signs of slowing down the present refugee crisis. This paper will highlight this issue based on t...
Conference Paper
Embedded Vision (EV) systems rely on advanced Computer Vision (CV) algorithms implemented on programmable embedded computing platforms, where the optimal resource utilization is of paramount importance. Many of these algorithms deliver state-of-the-art accuracy in a myriad of applications, however, they require high computational power and large am...
Conference Paper
Full-text available
An Invited Talk Theme: The International Conference on “Quality in Higher Education” to Prepare for Vision; Study in Oman "GHEDEX 2022 added an International Conference on Quality in Higher Education to their exhibition, sessions and panels will be held on March 28-29, 2022 at the Oman Convention and Exhibition Center. The sessions will have pres...
Chapter
Internet: Tremendous advances in integration technology have pushed electronic circuits to become more and more complex. On the other hand, high dependability of electronic systems has become a dominant goal in Industrial Revolution (IR4). Therefore, fault diagnosis and fault tolerance have become more important than ever before, and hence demand h...
Chapter
Appropriate selection of networks plays a significant role in successful handovers in heterogeneous Internet of vehicles (IoV) environments. The research community is currently facing challenges about insufficient information at the mobile terminals for the efficient selection of suitable networks. Recently, some of the wireless technologies that h...
Conference Paper
The tremendous increase in complexity of digital systems has put increasingly more attention on reliable design of hardware systems. In the computer industry, digital circuit testing and testability is a common and an easy approach to meet the goals of reliable design requirements. However, the gap between technological advancements in design and a...
Chapter
Internet of Vehicles (IoV) is a distributed network supporting V2X communications. Two potential technologies of V2X communications are dedicated short-range communication (DSRC) and cellular network technologies. DSRC provides low latency with direct connectivity to connect vehicles in a distributed manner. However, it suffers from reliability and...
Conference Paper
We are living in a world, that has been gripped by Covid’19. In pre Covid’19 era, we took our breathing and our respiratory health for granted. Covid’19 reaffirms that the lung is a vital organ that is vulnerable to airborne infection and injury. Even in pre Covid’19 era pulmonary diseases were of concern and the presence of Covid’19 has perplexed...
Conference Paper
Portable computing and personal communication devices require high speed and also low power consumption. As for as power reduction is concerned the use of Gray code is beneficial because of the reduction of signal switching activity. Looking forward the applications of Gray code, this paper proposes a novel design for Binary to Gray code encoders a...
Conference Paper
The early detection of skin cancer (Melanoma) is very important for early treatment. Nowadays, skin cancer is considered as one of the most dangerous diseases in the world. Many different types of skin cancers can occur, but the most three common types of them are Basal Cell Carcinoma (BCC), Squamous Cell Carcinoma (SCC) and Melanoma. The new techn...
Article
The Field Programmable Gate Array (FPGA) industry is expanding both in market share and in innovation. The tailored FPGA features make them a better choice to include FPGA in an increasing number of applications in the upcoming years. A constant development of FPGA technology has led to minimize the gap of performance levels between FPGA and Applic...
Article
Full-text available
Assurance of software reliability is an important factor in software applications, and the process of software testing has become one of the essential requirements in software development. Many software reliability growth models have been developed based on non-homogeneous Poisson process, which incorporates logistic testing effort function. The pa...
Conference Paper
Analyzing electrical system circuits, it is important step to involve the procedure for solving equations. For any circuit analysis problem, the first step of this procedure consists selecting a number of independent branch currents and then formulating in the form of KCLs. Alternately, writing KVLs involves number of independent node pair voltages...
Conference Paper
Migration is a phenomenon based on principle of push and pull. The people will be pulled to some destination, which has many attractive opportunities. Simultaneously, various situations push the people to leave the place where they born and lived life. According to the report of International Organization for Migration (IOM) 2020, which indicated t...
Conference Paper
Pseudo Random Binary Sequence (PRBS) generators are of vital significance in various fields. However, particularly, in the areas of VLSI testing, cryptography and radio frequency identification. In general, PRBSs are generated Linear Feedback Shift Registers (LFSRs). This mainly due to the reasons such as simplicity of LFSR circuits, low cost of im...
Presentation
Full-text available
In data communications and storage devices, Cyclic Redundancy Check (CRC) Code has been used for error detection. The CRC process depends on predetermined generator polynomial, used the same at transmitter and receiver side. The characteristics of an order of generator polynomial are attributed with many parameters such as reducible, irreducible an...
Conference Paper
The COVID-19 pandemic poses unprecedented challenges to every field of life. The field of education, which is a fundamental human right for all children and youth, has severely challenged in unprecedented manner by the COVID-19 pandemic. Schools, colleges, universities and institutions have transitioned from in-person to virtual instruction. This f...
Article
Full-text available
News search engines are the exclusive search services for users’ news intake. Providing relevant query to a news search engine, the user gets back a single news result page consisting of various news articles aggregated from thousands of online news sources available on the World Wide Web. The availability and use of major news search engines like...
Conference Paper
The advent of deep submicron technology led to growing complexity of circuits and an increase in the design speed, making delay testing necessary for determining correct circuit behavior. Observation of path delay faults requires propagation of transitions in a circuit which is done by application of pair of patterns. This paper proposes a single i...
Conference Paper
The food industry has many challenges. Amongst those challenges, the creation of Universal Product Code (UPC) barcode is typical one. Due to unawareness many small to medium sized food producers often think of barcoding products as an expensive burden and cumbersome. However, the familiarization of UPC barcodes provide better understanding about gl...
Conference Paper
Through this research paper we will propose the effective and efficient CRC polynomials of 16 and 24 bit lengths. The proposed polynomials will be searched out from the total possible polynomials of 8388608 and 32768 of lengths of 24 and 16 bits respectively. After the search of all primitive polynomials of order 24 and 16, we get 276480 and 2048 p...
Conference Paper
The core of the proposed methodology is based on the fact that most of the products have expiry dates, thereby, after scanning the reading "food tagging" which is based on product code technology will be added in the inventory of food items. This will keep track of inventory of food items in the food storage container / box / bay / refrigerator etc...
Conference Paper
Internet of Vehicles (IoV) are distributed networks supporting V2X communications. Two potential technologies of V2X communications are Dedicated Short Range Communication (DSRC) and cellular network technologies. DSRC provides low latency with direct connectivity to connect vehicles in a distributed manner. However, suffers from reliability and se...
Article
Continuous striving in the development of wireless mobile networks maximizes the possibility of user services and provides experience context rich and personalized services. In this way, for the development towards fully integrated 4G‐all IP network architecture, the interoperability between future generation wireless networks and seamless vertical...
Article
An author in newly published Anthology, Voices of Peace of 92 from 28 countries. The book can be read in various languages including English, Arabic, French, Greek, Spanish, Japanese, Korean, Italian and Hindi. The book is published by WORLD POETRY INTERNATIONAL, Canada. The book contains 250 pages and has ASIN: B08FZWKY94 and ISBN: 978-1-926457-04...
Article
The evolution of Internet of Things (IoT) has fueled the Transportation system in to Smart Transportation system called Internet of Vehicles (IoV) where each vehicle is treated as things connected to the internet. Internet of Vehicles is a consolidation of IoT. The building blocks of IoV are Vehicular Ad hoc Networks (VANETS), Autonomous vehicles a...
Cover Page
Full-text available
Profile in relation to conference organization
Conference Paper
Semiconductors are crucial components of electronics devices. It has had incredible effects on nearly every sector of society. Semiconductor industry has worth of 476.7 billion US Dollar market worldwide with year growth rates of 15.9 percent. Semiconductors’ industry is highly competitive. With 75.85 billion U.S. Dollars in revenue, Samsung Electr...
Conference Paper
Full-text available
INVITED SPEECH: Recently, Artificial Intelligence (AI) is in process of transforming our day-to-day lives thereby, redefining industries with a target of $15.7 trillion to global GDP by 2030. Although, AI has its history of its initiation for over the past 63 years and more. However, inflection of AI has come and visible in industrial 4.0 with vis...
Conference Paper
In this paper, we want to share our experience of discovery and experimental learning in an engineering design course using the Conceive-Design-Implement-Operate (CDIO) framework. This innovative active teaching methodology was applied to ECCE4009/4010 Engineering Design course, which is a required course in the undergraduate program offered by the...
Article
The rationale behind the study and design of this paper is to first create awareness of switching ABET Criteria 3 (a – k) Student Outcomes into the changed (1 – 7) Student Outcomes. Secondly, the paper discusses how to cope with ABET’s updated accreditation model for those programs undergoing a review during the 2019-20 cycle, which may choose to c...
Conference Paper
Full-text available
With the advancement of technologies, reduction in cost, need for sustainable development such as smart grids and smart cities around the world, the application of the Photo-Voltaic (PV) system has increased over the last past few years. A PV system uses freely available solar isolation on the earth’s surface to produce electricity. Solar cell is m...
Conference Paper
Full-text available
Specifically search engines in particular and information retrieval systems in general need to be evaluated during the development process, as well as when the system is operational. This is due to the reason that the outcomes of the retrieval measure are required to be used to quantify a certain aspect of the performance of a search engine. In tot...
Article
Full-text available
Systematic pursuits are being developed to set forth the framework for the Fifth Generation (5G) wireless standards. This paper emphases on the most extensively deployed technology - Orthogonal Frequency Division Multiplexing (OFDM) that has outpaced other waveform aspirants for Fourth Generation (4G) communication standards. Irrespective of the be...
Conference Paper
Full-text available
The rationale behind the study and design of this paper is to first create awareness of switching ABET Criteria 3 (a – k) Student Outcomes into the changed (1 – 7) Student Outcomes. Secondly, the paper discusses how to cope with ABET’s updated accreditation model for those programs undergoing a review during the 2019-20 cycle, which may choose to c...
Conference Paper
We propose an energy-efficient embedded binarized support vector machine (eBSVM) architecture and present its implementation on a low-power FPGA accelerator. With binarized input activations and output weights, the dot product operation (floating-point multiplications and additions) can be replaced by bitwise XNOR and popcount operations, respectiv...
Conference Paper
Full-text available
In fact, mathematics is applied everywhere. Literally, mathematics prevents chaos to make our life hassle free. It is fair to say that inheritance of mathematics inculcates qualities in human being that nurtures the power of reasoning, critical, creative and innovative thinking. It is the mathematics, which provides abstraction, spatial understandi...
Conference Paper
Logisim – a Free Open Source Software (FOSS) has been in continuous advancement since early 2001. Today, Logisim is used in many schools, colleges and universities for teaching and learning of a core program course “Digital Logic Design (DLD)” and beyond. Many universities extended the application of Logisim to support the teaching and learning of...
Conference Paper
Full-text available
Today’s fast growing electrical and electronics industry manufacture products that are used everywhere ranging from aerospace products, medical equipment, household appliances, automation systems to automotive telematics and consumer electronics. In 2018, the worldwide growth of the industry is expected to grow by around four percent, the European...
Article
Full-text available
In the past couple of decades, the number of vehicles has increased radically. A statistic which presents the number of cars sold worldwide from 1990 through 2017, forecasts for 2018, some 81.6 million automobiles are expected to be sold by the end 2018. With this continuous increase, it is becoming very tedious to keep track of each vehicle for th...
Cover Page
Full-text available
Profile: Conference Organisation
Article
A digital watermark is a visible or invisible pattern embedded in a digital image which can be used for copyright protection, authentication, broadcast monitoring, telemedicine and many more. This paper describes how an efficient CDMA based spread spectrum technique can be combined with the most prominent spectrum efficient OFDM technology to formu...
Article
Full-text available
The authors show that in a Built-In Self-Test (BIST) technique, based on linear-feedback shift registers, when the feedback connections in pseudo-random test-sequence generator and signature analyzer are images of each other and corresponds to primitive characteristic polynomial then behaviors of faults masking remains identical. The simulation res...
Conference Paper
Full-text available
Convergence of electronics, semiconductor systems and computing are rapidly transforming society at much faster pace than incorporation fault-tolerance and test methodologies in the systems. Further, underlying hardware and software in communication, security, quality of life, health, economic or financial well-being systems are increasingly being...
Conference Paper
Convergence of electronics, semiconductor systems and computing are rapidly transforming society at much faster pace than incorporation fault-tolerance and test methodologies in the systems. Further, underlying hardware and software in communication, security, quality of life, health, economic or financial well-being systems are increasingly being...
Article
Full-text available
Watermark is the copy deterrence mechanism used in the multimedia signal that is to be protected from hacking and piracy such a way that it can later be extracted from the watermarked signal by the decoder. Watermarking can be used in various applications such as authentication, video indexing, copyright protection and access control. In this paper...
Article
Full-text available
This paper proposes a novel design for Binary to Gray code encoders and/or counters using multiplexers and flip-flops. The proposed design are modular based, whereby other stages can be added as per the requirement of the desired applications. Moreover, the external clock timing signal drives only the first stage, while all remaining stages are lin...
Article
Full-text available
Nowadays, managing for optimal security to wireless sensor networks (WSNs) has emerged as an active research area. The challenging topics in this active research involve various issues such as energy consumption, routing algorithms, selection of sensors location according to a given premise, robustness, and efficiency. Despite the open problems in...
Conference Paper
A digital watermark is a visible or invisible pattern embedded in a digital image which can be used for copyright protection, authentication, broadcast monitoring, telemedicine and many more. This paper describes how an efficient CDMA based spread spectrum technique can be combined with the most prominent spectrum efficient OFDM technology to formu...
Conference Paper
Full-text available
Reliability of a process or (and) of a system has direct impact on vital parameters like safety, dependability, availability, maintainability, survive-ability and lifetime of the process or (and) of the system. Hence, reliability analysis plays a crucial role in the design of processes and systems. In order to increase reliability of a process or (...
Conference Paper
Full-text available
The Internet of Things (IoT) technology marks a new era of real ubiquitous computing. The things of an IoT are simple embedded systems that are connected to the Internet that can have utilization in many applications. One of the major concerns of IoT technology is the privacy of the exchanged information between the things over the public network,...
Conference Paper
Full-text available
Dr. Amir M. Abdulghani, Dr. Naser Tarhuni, Dr. Dawood Al-Abri and Prof. Afaq Ahmad
Article
Full-text available
Objectives: This study proposes an optimized power-efficient cryptosystem that is suitable for Wireless Sensor Networks. Methods: A number of cryptographic algorithms have been proposed to secure Wireless Sensor Networks. However, these compute-intensive and power-hungry algorithms do not take into consideration the limitations of resource found on...
Data
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Article
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Pattern recognition is a scientific discipline of machine language that has attracted the attention of researchers due to its wide scope in application areas. Pattern recognition is applied many fields like medicine, communication, speech recognition, military intelligence, commerce and many others. This paper presents a summarized brief of our stu...
Conference Paper
Nowadays, anonymous manipulation of digital data with malicious intention is increasing at an enormous rate. With the advent of various technologies, multimedia signal can easily be downloaded, copied and manipulated at any point of time without much effort. Watermark is the pattern of bits added to the multimedia signals, such as audio, video or i...
Research
Full-text available
Research Comment of Prof. Afaq Ahmad, referred in Thesis (As Published Below): http://othes.univie.ac.at/35758/1/2014-12-20_0900264.pdf TU Wien (TUW) Austria
Data
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Kingdom of Saudi Arabia (KSA) and the United Arab Emirates (UAE) now outpace the United Kingdom (UK) in attracting students from the Arab States. These both countries (KSA and UAE) have become the third most popular destination after France and the United States of America (USA) for attracting students from the region for tertiary education [2].
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ResearchGate (RG), with more than 80 million publications provides an opportunity to interact with a community of 9 million researchers, including 52 Nobel Laureates [1]. The Data Set shown in Table 1, provides Top 10 Highest RG Scores of Gulf Cooperation Council (GCC) Universities / Institutes [1]. Table 2 of this Data Set shows a single univers...