Adeyemi Abel Ajibesin

Adeyemi Abel Ajibesin
American University of Nigeria · School of Information Technology & Computing

PhD(Electrical Eng), PhD (Computer Sc), MSc, PgDS, BSc, NCE, Pmgt, MIEEE

About

63
Publications
8,587
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132
Citations
Additional affiliations
June 2005 - August 2008
University of Cape Town
Position
  • Teaching / Research Assistant
Description
  • Taught students the basic concepts in data communication & networking, assisted faculty with research planning, collaboration with industry & identified research best practices. Involved with South African DST Centre for Scientific & Industrial Research

Publications

Publications (63)
Poster
Full-text available
Call for Chapters in a BOOK titled "Synergizing Data Envelopment Analysis and Machine Learning for Performance Optimization in Healthcare". The book explores the powerful synergy between Data Envelopment Analysis (DEA) and Machine Learning (ML) to drive performance optimization in the healthcare sector. DEA is traditionally used to evaluate the eff...
Article
Full-text available
Diabetes is a prevalent non-communicable disease affecting many people globally. The common risk factors are obesity, age, lack of exercise, lifestyle, genetic factors, high blood pressure, and poor diet. Early identification of this condition can help prevent subsequent complications, including heart attacks, lower limb amputations, nerve damage,...
Book
Full-text available
This book explores the transformative potential of Artificial Intelligence (AI) in addressing critical humanitarian challenges. It examines AI’s role in enhancing emergency responses, poverty alleviation, and healthcare. Chapters authored by a diverse group of international contributors cover topics such as AI's application in disease prediction,...
Book
Full-text available
Call for Chapters in a BOOK titled "Synergizing Data Envelopment Analysis and Machine Learning for Performance Optimization in Healthcare". The book explores the powerful synergy between Data Envelopment Analysis (DEA) and Machine Learning (ML) to drive performance optimization in the healthcare sector. DEA is traditionally used to evaluate the eff...
Book
Full-text available
[SCOPUS-Indexed]: In a world increasingly reliant on data-driven decision-making, the fields of science, IT, and engineering stand at the forefront of innovation. Yet, amidst the complexities of technical processes and ever-evolving challenges, a powerful tool has often been overlooked—Data Envelopment Analysis (DEA). "DEA Methods for Maximizing Ef...
Chapter
The growth of wireless technology due to global population growth and urbanization has increased internet usage, intensifying network energy demands. Researchers and professionals prioritize energy efficiency to cut costs and reduce emissions, with a focus on wireless networks. This chapter explores energy efficiency's importance, particularly in a...
Chapter
The digital divide in Africa, particularly Nigeria, has raised concerns about the efficiency of internet service providers (ISPs) in providing quality services to their subscribers. This research focuses on evaluating the efficiencies of the major ISPs in Nigeria, including MTN, Glo, Airtel, and 9mobile, using data envelopment analysis (DEA). The s...
Article
Full-text available
This work presents a framework tiled-DiFACE-SCM, which stands for Diverse, Feasible, and Actionable Counterfactual Explanations (CE) with Structural Causal Model constraints. The background knowledge obtained from the data generation process is employed to design a structural causal model (SCM), which is further used to identify variable features w...
Article
Full-text available
We employed the structural causal model’s (SCM) backdoor adjustment criteria, with the do-calculus intervention, which is deduced from a well-structured direct acyclic graph (DAG) to overcome the confounding and selection biases issue in the presence of all measured sets of covariates in an individually identical distribution (i.i.d). The Potential...
Article
Diabetic Retinopathy (DR) is a common and serious eye condition caused by diabetes, which can lead to vision loss without warning. Understanding how DR progresses is vital for clinical research and practice. This review looked at articles on Machine Learning (ML) based risk prediction models for DR progression. While AI has been used successfully f...
Book
Full-text available
All proposals should be submitted through the eEditorial Discovery® online submission manager-Link below): https://www.igi-global.com/publish/call-for-papers/call-details/6516 Click on the following link for more details (Also, see the attached flyer for more details): https://www.igi-global.com/book/data-envelopment-analysis-dea-methods/3216...
Article
Full-text available
Abstract: Currently, the Internet of Things (IoT) is revolutionizing communication technology by facilitating the sharing of information between different physical devices connected to a network. To improve control, customization, flexibility, and reduce network maintenance costs, a new Software-Defined Network (SDN) technology must be used in this...
Chapter
Deep learning models being used to improve human life has been an ongoing domain of research. Violence, especially with the proliferation of arms, has been on the increase worldwide. Many tragedies have occurred right across the globe, leading to people losing their lives as a result of being shot at with guns. This research sought to use deep lear...
Article
Full-text available
This study investigates integrating quality management systems (QMS) into an organization's management information system (MIS) and the risks involved in this integration. Quality management is a serious concern among organizations in the developing world, including Nigeria. Customers and investors gravitate to where there are quality products and...
Article
Full-text available
Information systems have become part and parcel of today’s business operations, with competition on its rise. The security challenges related to information systems could have a severe impact on the overall business objectives of an institution if not handled at the right time. A well-meaning institution must take a full-blown step towards informat...
Article
Full-text available
This research evaluated the Performance of major Mobile Network Operators (MNOs) in Nigeria using Data Envelopment Analysis (DEA). The DEA method that is based on Input-oriented Constant Return to Scale (CRS) model is considered. The objectives of this research were to analyze existing methods used for the evaluation of MNOs' performance and explor...
Article
Full-text available
This research concerns the deployment of Data Envelopment Analysis (DEA) to evaluate the performance of Mobile Network Operators (MNOs) in Nigeria. The existing performance evaluation methods for MNOs is studied and analyzed; thereafter, the Data Envelopment Analysis (DEA) model was used to compute and compare the technical efficiency of each of th...
Article
The essence of my paper is to intricately look at data transfer with various modulation techniques over various communication channels. And run simulations to uncover the Bit Error Rate (BER) of various relevant scenarios. I will evaluate the performance of modulation techniques from Binary Phase Shift Keying (BPSK or 2PSK) to 16PSK and other modul...
Article
Mobile Health (mHealth) refers to any medical and public health practice aided by smart phones, tablets, or any mobile device. These devices are able to move about which allows communication anytime, anywhere. M-health is considered as the next step beyond the E-health systems. In recent times, M-health has become a new normal that has come to stay...
Article
Although, most researchers focus on some of the key components of good digital wireless communications which are the Bit Error Rate (BER) versus Signal to Noise Ratio (SNR) of modulation schemes. Energy consumption optimization is necessary for enhancing the performance of a wireless communication system as it offers numerous advantages to the syst...
Article
Mobile ad-hoc network, MANET, is a network communication medium that is made up of mobile wireless nodes. It operates as an infrastructure-less network that doesn’t require an existing network infrastructure such as routers, switches, or mounted access points for network communication. In this paper, the performance of three MANET routing protocols...
Conference Paper
Full-text available
This paper investigated the Performance of eight Channels Dense Wavelength Division Multiplexing in a Metropolitan Area Network for transmitting signals over different distances with or without Erbium Doped Fiber Amplifiers (EDFAs). Optisystem simulator was used and represents signal quality in an eye diagram, where the opening/closure describes th...
Conference Paper
Full-text available
Capacity at the link layer of spectrum sharing CR with K-branch maximal ratio combiner (MRC) is analyzed, subject to interference power and quality of service (QoS) constraints. It is assumed that the channel power gains of the secondary and the primary channels are not in symmetry. The secondary channel (SC) fading is Rayleigh while the primary ch...
Conference Paper
Full-text available
This paper presents a gap mechanism for evaluating the performance of three energy minimisation models in wireless multicast networks. The first model is the existing coded packet that is based on simulation technique. The second and the third models are the recently proposed techniques that are based on data envelopment analysis (DEA) methodology....
Chapter
Full-text available
In routing, the problem of performing minimum energy multicast considering Wireless Multicast Advantage (WMA) is difficult. This is because, the problem of minimum energy broadcast that is solved easily in the wireline case by various minimum weight spanning tree algorithms, becomes NP-complete. However, alternative approach using heuristics method...
Conference Paper
Full-text available
This paper considers an existing computational method for minimum energy multicast in ad hoc wireless networks and proposes an empirical model that is based on Data Envelopment Analysis (DEA) methodology. The new model using input orientation with constant returns to scale (CRS) assumption is derived based on Economics concept of production functio...
Conference Paper
Full-text available
This paper considers an existing computational method for minimum energy multicast in ad hoc wireless networks and proposes an empirical model that is based on Data Envelopment Analysis (DEA) methodology. The new model using input orientation with constant returns to scale (CRS) assumption is derived based on Economics concept of production functio...
Article
Full-text available
Green communication has recorded much attention in industry, academia and government. It has been recorded that information communication and technology nodes consume roughly 3% of the world-wide energy supply and are responsible for 2% of the global carbon dioxide (CO2) emission. As a result, researchers have devoted huge attention to prevent its...
Conference Paper
Full-text available
Several studies have shown that the power consumption of Information and Communications Technology (ICT) nodes account for up to 3% of the worldwide power supply and that they are responsible for 2% of the global carbon dioxide (C02) emission. However, several initiatives are being put in place to reduce the power consumption of the ICT sector in g...
Conference Paper
This paper studied the existing multicast incremental power algorithm (MIP) and proposes a new approach considering the data envelopment analysis (DEA) methodology to further reduce the multicast energy in wireless sensor networks (WSNs). In order to achieve this mission, an empirical model based on input-orientation with Banker, Chanes and Cooper...
Conference Paper
Full-text available
This paper studied the existing multicast incremental power algorithm (MIP) and proposes a new approach considering the data envelopment analysis (DEA) methodology to further reduce the multicast energy in wireless sensor networks (WSNs). In order to achieve this mission, an empirical model based on input-orientation with Banker, Chanes and Cooper...
Chapter
Full-text available
This chapter introduces a network efficiency measure, which is a new kind of thinking for many evaluators in information technology and engineering. Efficiency measure involves going beyond knowledge (true efficiency or estimated efficiency) of program (nodes, algorithms, networks etc.) impact and attempting to compare with other programs. In most...
Conference Paper
Full-text available
Next Generation Network (NGN) services and applications such as Digital Multimedia Broadcasting (DMB) and Internet Protocol Television (IPTV) will offer multicast features, but due to high traffic volume and high number of receivers there will be challenges of efficient multicast mechanisms for communication. With the rapid development of applicati...
Conference Paper
Full-text available
This paper considers a new approach to energy efficiency in wired and wireless multicast networks. Two major multicasting algorithms are analyzed using energy-efficiency as metric. The performance of these algorithms is evaluated and optimized using combined methods: simulation and Data Envelopment Analysis (DEA) method. These approaches are combin...
Article
Full-text available
In this study, the maximum achievable information transmission rate of spectrum sharing cognitive radio with maximal ratio combining (MRC) antenna diversity technique is investigated when the channel between the secondary transmitter and the primary receiver and that between the secondary transmitter and the secondary receiver suffer Nakagami- m fa...
Conference Paper
Full-text available
Performance of network coding protocols have been largely evaluated using metrics such as packet delivery ratio and routing load, which can only determined how effective a protocol is. We describe the process of routing information in wireless network based on network coding and evaluate the efficiency of throughput benefits that network coding off...
Conference Paper
Full-text available
The paper studies the problem of minimum-cost multicast connections over coded packet networks and introduces a new technique for evaluating the performance of wireless network by exploring data envelopment analysis tool. It also explores the use of network coding in wireless multicast and investigates its cost effectiveness and efficiency. Earlier...
Conference Paper
Full-text available
Performance of cooperative networks have been evaluated using metrics such as bit error rate (BER) and signal-to-ratio (SNR), which are only suitable for measuring the effectiveness of the relay strategies. In this paper, system model that is based on data envelopment analysis method is designed to evaluate the efficiency of cooperative relays. The...
Article
Full-text available
The explosion of Internet usage has drawn the attention of researchers towards online Social Networks Marketing (SNM). Research has shown that a number of the Internet users are distrustful and indecisive, when it comes to the use of social networks marketing system. Therefore, there is a need for researchers to identify some of the factors that de...
Article
Full-text available
Multicast can be described as the process of routing information from a source node s to a set of receivers r1, r2 rn. In this paper, we present the performance of multicast algorithms in wireless networks. A network coding (NC) algorithm, which is the proposed optimised model, and efficient for multicast networks is considered. This model is imple...
Conference Paper
The adoption of mobile phone applications such as mobile banking does not follow a universal pattern. This is ascribed to differences in mobile telecommunication infrastructure, marketing strategies, regulatory policies and legislative environment in various countries. In Nigeria, these platforms are already operational. Conventional banking method...
Conference Paper
The next generation satellite networks will provide broadband communications at low cost. The recent developments in satellites technology, transmission techniques, antennas, and launch capabilities have enabled a new generation of services to be made available to users especially when communications satellites have been widely considered to comple...
Conference Paper
Full-text available
An enhanced adaptive scheme based on threshold method with a reduced complexity that combine adaptive modulation and coding with diversity combining is presented for throughput maximization in broadband code division multiple access (CDMA) satellite networks. The proposed algorithm is a modify, enhanced, and more robust version of the existing algo...
Article
Full-text available
A prioritised adaptive CDMA scheme in which processing gain is given priority over modulation and coding schemes (MCS) in wireless systems is presented. The need for such design is necessary for increased bit rate. A scheme that has the capability to optimise both throughput and quality of service without sacrificing the required bit rate is design...
Article
In modern digital communication systems, error free transmission is often required. And the issue of wireless communications is becoming increasingly important. However, due to the hostile nature of wireless communication channels, it is necessary to develop a very powerful coding scheme. In this paper, we design a low complexity iterative decoding...
Article
Full-text available
ICTs have long been used to foster innovation in organisations and society. There is a commonly held perception that in order to innovate through the use of ICTs, the newest and most recent technology must be employed. “Out with the old and in with the new” has been a common mantra. While leapfrogging to the latest technologies has been identified...
Conference Paper
Full-text available
The performance of a satellite systems depend on the propagation mode of the radio waves. The nature of satellite channel is one of the biggest obstacle facing the design of communications systems. This characterised satellite channels by fading and interference. Moreover, satellite communication systems are limited by available transmitting power...
Conference Paper
A new approach that characterised satellite mobile transmission system is proposed and described in this paper. This paradigmatic agent-based system is required for the future wireless communication system for effectiveness and robustness. We examine adaptive BPSK/QPSK for Rice-lognormal mobile satellite channel. We compare the behaviour of the fix...
Article
Full-text available
The need for optimised utilisation of scarcely available radio resources is prevalent. An efficient use of radio resources could lead to higher spectral efficient transmission on wireless channels. A promising scheme for wireless multimedia transmission at a lower cost is adaptive modulation and coding (AMC). In this paper, a new scheme for AMC is...

Questions

Question (1)
Question
Data Envelopment Analysis (DEA) is a mathematical modeling technique that has been primarily used and implemented in the field of Operations Research and Management Science. DEA has since found applications in various disciplines, including Economics, Finance, Healthcare, Education, Environmental Studies, Transportation, and Logistics. These are just a few examples of the disciplines where DEA has been implemented as a tool. The versatility and broad applicability of DEA make it a valuable analytical technique for evaluating efficiency and guiding decision-making in various domains.
Recently, MATLAB's implementation of data envelopment analysis (DEA) aims to provide a powerful tool for scientists and engineers to analyze and optimize the efficiency and productivity of various processes. DEA is a technique used to evaluate the relative efficiency of a set of entities, by comparing their input-output relationships. The primary goals of implementing the DEA tool in MATLAB are as follows:
Efficiency Evaluation, Benchmarking and Best Practices, Input-Output Optimization, Sensitivity Analysis and Decision Support, Integration with Other MATLAB Features.
In summary, MATLAB's implementation of the DEA tool aims to empower scientists and engineers with a comprehensive and versatile framework for evaluating, benchmarking, and optimizing the efficiency and productivity of various processes. By providing robust analysis capabilities and integration with other MATLAB features, the tool facilitates informed decision-making and supports continuous improvement efforts.
You are free to discuss this further as your contributions are welcomed. At the moment, please contact the email provided if you are willing to publish a chapter in a multidisciplinary book for possible indexation in Scopus: abel.ajibesin@aun.edu.ng or follow the links below for more information about the book and submission. https://www.igi-global.com/publish/call-for-papers/call-details/6516, https://www.igi-global.com/book/data-envelopment-analysis-dea-methods/321646#description.
Also, if you are using MATLAB's implementation of data envelopment analysis (DEA) and planning to be part of the incoming book that is focusing on Science, IT, and Engineering using DEA, kindly send an email to abel.ajibesin@aun.edu.ng or ajibesin@ieee.org

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