Liquefied petroleum gas (LPG) leakage poses a significant safety risk in domestic and light-industrial environments, particularly where conventional detectors provide only local alarms without automated intervention or remote monitoring. This study designed and implemented a smar...
Open access
Research Article10.9734/ajopacs/2026/v14i3342
Rapid growth in vehicle numbers has increased pressure on limited parking facilities, particularly in commercial areas and public offices. This study designed, simulated, constructed and evaluated a microcontroller-based automatic car parking control system with automatic gate sh...
Open access
Research Article10.9734/ajr2p/2026/v10i3233
Unreliable grid electricity constrains laboratory teaching and research activities in many Nigerian institutions because conventional direct current power supplies depend on continuous mains availability. This study designed and developed a rechargeable variable laboratory bench...
Open access
Research Article10.9734/ajrcos/2026/v19i8889
This study assessed radiofrequency electromagnetic radiation emissions from 13 selected mobile base stations in Gwarinpa, Federal Capital Territory, Abuja, Nigeria. Electric field strength, magnetic field strength, and power density were measured to determine whether the emission...
Open access
Research Article10.9734/ajr2p/2026/v10i3230
The rapid growth in demand for real-time (RT) communication services over wireless networks has intensified the challenge of limited radio resources, particularly in Long Term Evolution systems standardized by the 3rd Generation Partnership Project (3GPP). This scarcity often lea...
Open access
Research Article10.9734/ajarr/2026/v20i61390
Advanced passive filter topologies are increasingly required in modern high-power grid-connected solar PV systems to ensure compliance with stringent harmonic and power quality standards. Conventional LCL-based filters often face limitations in multi-frequency harmonic attenuatio...
Open access
Research Article10.9734/jerr/2026/v28i61928
Massive Multiple-Input Multiple-Output (Massive MIMO) has emerged as a key enabling technology for overcoming these limitations by deploying a large number of antennas at the base station to serve multiple users simultaneously. This study evaluates the performance of Massive Mul...
Open access
Research Article10.9734/jerr/2026/v28i51908
Electromagnetic wave propagation is fundamental to AM broadcasting, where signal quality depends on field strength influenced by frequency, terrain, atmospheric conditions, and antenna design. This study addresses the problem of limited coverage and signal degradation in medium-w...
Open access
Research Article10.9734/psij/2026/v30i3952
Ground clutter remains a significant challenge in radar systems because low-frequency reflections from stationary objects can mask or distort high-frequency target signals, thereby reducing detection accuracy and overall system performance. This study presents the comparative des...
Open access
Research Article10.9734/psij/2026/v30i3950
The sorting of different products has been reported to be a very tedious industrial process, complex and a global problem. Manual sorting creates consistency issues and involves a lot of manpower with reduced efficiency and accuracy. This study presents an automatic sorting and c...
Open access
Research Article10.9734/ajr2p/2026/v10i2221
FM signal is one of the major and fastest channels for information dissemination in Nigeria, especially in times of security treats due to the rising insecurity in the nation. However, the quality of radio broadcasting in North-Eastern Nigeria is very poor due to the nature of th...
Open access
Research Article10.9734/psij/2026/v30i2933
Despite the introduction of 5G in Nigeria, its deployment still faces major challenges as it has not been fully deployed. Its availability is just centered on few major cities within the urban setting, while the majority of the population especially at the rural settings still re...
Open access
Research Article10.9734/ajarr/2026/v20i21298
Gas leakage poses serious threats to human safety and property, as many existing detection systems are either limited to local alarms or lack real-time remote monitoring capabilities which fail to notify users who are away or provide control over connected appliances. This study...
Open access
Research Article10.9734/ajopacs/2026/v14i1289
The Nigerian electricity sector is faced with serious challenges of power outages, an insufficiently regulated and controlled electricity supply and poor maintenance due to a lack of system automation and smart grid systems for real-time substation monitoring. In this study, an I...
Open access
Research Article10.9734/ajrcos/2026/v19i2821
Despite the advantages of 4G network the challenges of dynamic nature of wireless channels, interference from other users and devices, high latency, and ever-increasing demand for higher data rates and seamless connectivity are still common. This study carried out a comparative a...
Open access
Research Article10.9734/jerr/2025/v27i121723
Nigeria's diverse geo-climatic zones present varying challenges for satellite communications, particularly at Ku-band frequencies (12-18 GHz). Rainfall height is a critical parameter that directly influences signal propagation and the link margin, as such, must be taken into acco...
Open access
Research Article10.9734/psij/2025/v29i6910
Despite the widespread use of power in Nigeria, the electricity supply suffer power deficit, poor quality and sporadic supply especially in the North Central States. Most overhead transmission lines are exposed to natural phenomena especially strong wind which can cause vibration...
Open access
Research Article10.9734/jenrr/2025/v17i10465
The exponential increase in wireless services necessitate development of advance technologies for wireless communication to enable massive machine-type communications (mMTC), enhanced mobile broadband (eMBB), ultra-reliable low-latency communications (URLLC), and optimized resour...
Open access
Research Article10.9734/jerr/2025/v27i71569
Drunk driving is one of the major cause of road accidents especially in Nigeria where there is no controls or checks to the level of alcohol content of drivers. In this study, a vehicle alcohol and temperature monitoring system was simulated and constructed using an Arduino Uno m...
Open access
Research Article10.9734/ajrcos/2025/v18i1550
Samson Dauda Yusuf, Aminu Alhaji Abdulhamid & Barnabas John Kwaha·Advances in Research·2025
The Nigeria's low-voltage distribution transformers suffer from significant harmonic issues leading to catastrophic failures. Existing strategies to address harmonics have overlooked transformer inherent parameter design optimizations. This study presents the optimization of a 30...
Open access
Research Article10.9734/air/2025/v26i11227
Despite the widespread use of mobile phones in Nigeria, the quality of network services, particularly signal strength, remains inconsistent across different parts of Nigeria especially Nasarawa State which is the gateway to Abuja the Federal Capital. This study analyzes the signa...
Open access
Research Article10.9734/jerr/2024/v26i121353
Research into cutting-edge systems that can satisfy the rising needs for greater data rate and increased reliability is becoming more and more necessary as wireless communication technologies continue to evolve. To enhance the spectral and energy efficiencies, this study examine...
Open access
Research Article10.9734/ajarr/2024/v18i12821
Ferroresonance in distribution networks generates harmful harmonics, excessive heating, and potential transformer failures, yet limited research focuses on its impact in Nigerian low-voltage systems. This study examines ferroresonance susceptibility in low-voltage distribution tr...
Open access
Research Article10.9734/psij/2024/v28i6861
There are significant concerns for the citizens of Okene and its surroundings; regarding the distortions experienced in radio signals due to increased attenuation, which have resulted in poor signal quality. This study carried out a comparative analysis of the signal strength of...
Open access
Research Article10.9734/acri/2024/v24i11953
The design of future-generation mobile communication systems depends critically on the path loss prediction methods and their suitability to various signal propagation regions. Even though 5G has been launched in Nigeria, its deployment still faces significant challenges especial...
Open access
Research Article10.9734/jerr/2024/v26i111319
The proliferation of mobile devices and escalating demand for data services have resulted in a substantial increase in data traffic across Nigeria, especially in the North Central region due to heavy migration of individuals and organizations towards Abuja, the federal capital. H...
Open access
Research Article10.9734/jerr/2024/v26i91267
Heart rate and body temperature are important health parameter that need to be monitored especially for the old aged that needs constant medical care. In this study, simulation and construction of wireless body temperature and heartbeat monitoring device was carried out using PIC...
Open access
Research Article10.9734/ajrcos/2024/v17i9498
Aims: To carried out performance analysis of a shunt active power filter (SAPF) for harmonics mitigation. Study Design: Experimental design through simulation studies using P-Q Theory and proportional integral controller. Place and Duration of Study: Department of Physics, Nasara...
Open access
Research Article10.9734/ajr2p/2022/v6i3118
Aims: To simulate and construct a solar powered smart irrigation system using Blynk Mobile App. Study Design: Experimental design through simulation studies and internet of things. Place and Duration of Study: Department of Physics, Nasarawa State University Keffi, Nigeria, betwe...
Open access
Research Article10.9734/ajahr/2022/v9i4202
Aims: To design and develop a campus micro-grid model for Nasarawa State University Keffi (NSUK), main campus, Nigeria. Study Design: Econometric and financial feasibility analysis. Place and Duration of Study: Department of Physics, Nasarawa State University Keffi, main campus,...
Open access
Research Article10.9734/jenrr/2022/v12i3241
Aims: To measure and predict the workplace exposure to solar ultraviolet radiation in Makurdi, Benue State, Nigeria. Study Design: Experimental design through area monitoring method and Newton divided interpolation difference method. Place and Duration of Study: Makurdi Metropoli...
Open access
Research Article10.9734/ajarr/2022/v16i11435
Aims: To simulate and construct a single phase, pure sine wave inverter using a high frequency transformer. Study Design: Experimental design through simulation studies using pulse width modulation and proportional integral controller. Place and Duration of Study: Department of P...
Open access
Research Article10.9734/jerr/2022/v23i717619
Aims: To analyse the radiological hazard indices from mining sites in Adamawa State, Nigeria. Study Design: Experimental study design using Gamma ray spectroscopy with a well calibrated Sodium Iodide (NaI) detector. Place and Duration of Study: Adamawa State, Nigeria and Departme...
Open access
Research Article10.9734/ajopacs/2022/v10i3181
Introduction: Electrocardiogram (ECG) provides a wealth of information and remains an essential part of the assessment of cardiac patients. However, noise distortions associated with the signal could lead to wrong interpretation and diagnosis. Aim: To carry out an extensive compa...
Radiation protection and safety has been a major concern of many national and international bodies because of the potential hazardous effects associated with ionizing radiation if not properly controlled. However, no much research has been done on the compliance of Radiographers...
The effect of ionizing radiation on occupational workers is increasing at an alarming rate due to inadequate knowledge and attitude of workers. Despite this, little research has been done on the knowledge and attitude of Nigerian nurses towards radiation protection and practice....
The increasing deployment of mobile communication infrastructure has raised public concern regarding exposure to radiofrequency (RF) electromagnetic fields around base transceiver stations (BTSs). This study evaluated electromagnetic field exposure around a BTS in Owa-Eke, Delta...
Open access
Research Article10.9734/psij/2026/v30i4963
In the face of depleting natural resources, the efficient use of available energy sources is becoming increasingly important in reducing operational costs while satisfying ever-tighter pollution regulations. This paper presents the complete mathematical design framework and compo...
Open access
Research Article10.9734/ajarr/2026/v20i71400
The continuous growth in the number of users of various communication networks, either wired or wireless, Real-Time (RT) or Non Real-Time (NRT); available network resources are always limited and so not enough for more request in addition to already existing calls. This goes on t...
Open access
Research Article10.9734/jerr/2026/v28i51881
Doors are meant for security and safety to prevent intrusions from unwanted persons. However, traditional locking mechanisms, reliant on physical keys, present significant challenges including loss, theft, and unauthorized duplication, which compromise the safety of individuals a...
Open access
Research Article10.9734/ajrcos/2025/v18i11780
At frequencies above 10GHz, rain drops absorb part of the energy (signal) and part are scattered in different directions, causing unavailability of signals and making the system link unreliable. This study presents analysis of rain-induced attenuation on satellite communications...
Open access
Research Article10.9734/jerr/2025/v27i111686
The persistent trend of rationing power supply to consumers by the power industry in Nigeria has become a major setback to industrial, social and economic development of the country. This study analysis the viability of protective relay coordination and energy losses in North Cen...
Open access
Research Article10.9734/psij/2025/v29i5905
Solar radiation though beneficial to life but the harmful effects of over exposure especially in Nigeria has been neglected and its measurement/prediction has received negligible attention in the literature. This study measured and modeled workplace exposure to solar ultraviolet...
Open access
Research Article10.9734/ajr2p/2024/v8i3169
This study investigates how different propagation environments influence the performance of Massive Multiple-Input Multiple-Output (MIMO) systems within a fifth-generation (5G) wireless communication framework using MATLAB-based simulation analysis. While many previous studies co...
Open access
Research Article10.9734/ajr2p/2026/v10i2222
Signals encountered in biomedical applications are often corrupted by noise such as baseline drift, power-line interference and random disturbances, which can distort important signal characteristics. To investigate noise-reduction performance, this study presents a comparative d...
Open access
Research Article10.9734/ajarr/2026/v20i41349