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
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 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
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
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 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
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
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
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
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
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
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
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
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 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
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...