A5015521807- Millimeter-Wave Propagation and Modeling
- Advanced MIMO Systems Optimization
- Power Line Communications and Noise
- Wireless Communication Networks Research
- Precipitation Measurement and Analysis
- Radio Wave Propagation Studies
- Telecommunications and Broadcasting Technologies
- Cognitive Radio Networks and Spectrum Sensing
- ICT Impact and Policies
- Mobile Learning in Education
- Hybrid Renewable Energy Systems
- Chaos-based Image/Signal Encryption
- Visual and Cognitive Learning Processes
- Child Development and Digital Technology
- Wireless Communication Security Techniques
- Electronic Health Records Systems
- Antenna Design and Analysis
- Artificial Intelligence in Healthcare and Education
- Technology and Security Systems
- Technology-Enhanced Education Studies
- ICT in Developing Communities
- Wireless Sensor Networks and IoT
- Online and Blended Learning
- Artificial Intelligence in Healthcare
- Classical Antiquity Studies
University of Ilorin
2017-2024
Ahmadu Bello University
2022-2023
The rapid increase in data traffic caused by the proliferation of smart devices has spurred demand for extremely large-capacity wireless networks. Thus, faster transmission rates and greater spectral efficiency have become critical requirements modern-day ubiquitous 5G is an end-to-end network capable accommodating billions linked offering high-performance broadcast services due to its several enabling technologies. However, existing review works on systems examined only a subset these...
Several orthodox approaches, such as empirical methods and deterministic methods, had earlier been used for the prediction of path loss in wireless communication systems. These approaches are either inefficient or complex. Robustness performance motivated adoption machine learning modeling systems place traditional schemes. Surveys on exist literature; however, emerging deep architectures in-depth analysis, taxonomies related to loss, analysis feature engineering missing already published...
Globally, effective and efficient healthcare is critical to the wellbeing standard of living any society. Unfortunately, several distant communities far from national grid do not have access reliable power supply, owing economic, environmental, technical challenges. Furthermore, unreliable, unavailable, uneconomical supply these contributes significantly delivery substandard or absence qualitative services, resulting in higher mortality rates associated difficulty attracting qualified...
Path loss propagation models are critically needed for optimum planning and deployment of wireless communication networks. However, the complexity exhibited by propagated signals makes prediction received losses difficult in built-up environments. There is however a new paradigm shift towards application computational methodologies, such as Artificial Neural Networks (ANN), multi-band path prediction. In this paper, we have developed ANN-based model The was using large scale data collected...
Explosion in the demand for mobile applications and services necessitates efficient utilization of limited radio spectrum. Determination a suitable detection threshold is an important aspect spectrum occupancy measurement. Inappropriate choice value may either increase probability false alarm or failure detection. However, most appropriate not yet clearly stated, though, International Telecommunication Union (ITU) has provided benchmark 10 dB above noise level as acceptable value. In this...
Abstract The broadcast nature of radio propagation in wireless communication has been suspected as the loopholes passive or active attacks by unauthorized users (eavesdroppers). physical layer security techniques operate at lowest stack OSI against conventional cryptographic approaches, operating upper layer. However, such channel coding, power (directional antenna and artificial noise), spread spectrum have (and continuously) deployed to safeguard sophisticated attacks. Most these...
The introduction of new kinds technological products, applications and services that rely on wireless communications has resulted into an upsurge inglobal mobile data traffic. There is, therefore, a need to investigate the efficient utilization limited available radio spectrum. In this paper, we examine spatial variation spectrum occupancy (i.e. duty cycle) in GSM 900 MHz band within Kwara State, Nigeria. Experimental results show there is very high variance cycle from one location other...
The propagation of Electromagnetic waves signal in terrestrial frequency bands a build-up environment is affected by many factors, leading to degradation, diffraction, reflection, scattering, among others. Furthermore, the physical layer interface one most critical factors needed be carefully analyzed for optimum design wireless systems. In view these, several channel models were proposed optimally predict how radio behaves typical built-up and complex environments. case Nigeria, when these...
Terrestrial Radio Propagation (TRP) involves radio wave propagation from one station to another over the surface of earth. communication systems have been deployed for broadcasting, mobile cellular, and public safety. planning plays a crucial role in designing deploying terrestrial networks. models (Path loss Models) are utilized during link budget, coverage, interference estimations. The guide network engineers choosing appropriate placements equipment, such as base stations. However, high...
5G communication systems provide an end-to-end wireless connection to billions of users and devices across the globe. The quality signals received during radio is notably influenced by behavior propagation channel. A major parameter used in characterizing this channel Path Loss Exponent (PLE). Several works that have estimated analyzed PLE mostly considered effect distance carrier frequency. However, base station antenna height bandwidth on for networks not been adequately considered. To...
This paper examines the spatial variability of duty cycle in GSM 900 and 1800 MHz bands within Kwara State, Nigeria. The results show variance with average occupancies 1.67%, 17.76%, 10.55% 0.39%, 11.00% 5.11 rural, urban all locations for bands. Findings also that there is very high positive correlation between rural 900/1800 MHz. But negative correlations exits 1800, 1800. There a weak MHz, rural-urban These clearly showthe abundance unutilised spectrum Therefore, regulatory commissions...
This paper examines the spatial variability of duty cycle in GSM 900 and 1800 MHz bands within Kwara State, Nigeria. The results show variance with average occupancies 1.67%, 17.76%, 10.55% 0.39%, 11.00% 5.11 rural, urban all locations for bands. Findings also that there is very high positive correlation between rural 900/1800 MHz. But negative correlations exits 1800, 1800. There a weak MHz, rural-urban These clearly showthe abundance unutilised spectrum Therefore, regulatory commissions...
Path loss propagation models are critically needed for optimum planning and deployment of wireless communication networks. However, the complexity exhibited by propagated signals makes prediction received losses difficult in built-up environments. There is however a new paradigm shift towards application computational methodologies, such as Artificial Neural Networks (ANN), multi-band path prediction. In this paper, we have developed ANN-based model The was using large scale data collected...
A path loss estimation model that is both computationally efficient, and precise required for link budgeting, system performance optimization, base station selection, coverage analysis. The limitations of empirical deterministic models, on the other hand, necessitate incorporation computational intelligence into channel models development multi-frequency band propagation channels. principle technique Deep Neural Network (DNN) were applied in this paper modelling a Convolutional (CNN)-based...
ITU-R categorized Nigeria into four rain regions (i.e., M, N, P, and Q) depending on the atmospheric conditions. Previous works that have conducted attenuation modeling simulations assumed similar signal propagation behavior parameters within locations under same region. This paper aims to explore these assumptions by conducting an extensive radio of point-to-point microwave links with a clear line-of-sight in order estimate total path loss (attenuation), excess loss, flat fade margins for...
Signal propagation in a particular region differs from another due to differences atmospheric, climatic and environmental properties, distinct terrain clutter features. Adequate analysis is essential understand the radio behavior region. The ITU-R designated four rain regions, M, N, P, Q, for Nigeria representing rate distribution also provided further classifications based on ground conductivity, among other salient parameters. Based these classifications, this paper utilized EDX Pro...