This paper presents a proposed a Dual-Band T-Slot Microstrip Patch Antenna for sub-6GHz 5G application. The proposed antenna is designed to operate at two frequency bands of 5.923 GHz and 7.444 GHz respectively. The size and feed technique are determined by design formulas. The s...
Open access
Research Article10.9734/jerr/2023/v24i11854
This paper presents a proposed Circular-shaped Antenna array for millimeter-wave application. The proposed antenna is designed to operate at mm-wave frequency of 17 GHz. Circular antennas give good return loss, and better gain and directivity. The main aim of using the array is...
Open access
Research Article10.9734/jerr/2023/v24i11852
In order to ensure the safety and stability of the power battery, the design of refrigeration system is very important. Firstly, a battery model based on logic control and lumped heat parameters was established to determine the real-time and accurate state of battery heat generat...
Open access
Research Article10.9734/jerr/2023/v24i11853
The beam structure is an essential structural element to construction professionals, and most engineers must be familiar with beams. The type of beam structure discussed in this article is a fixed-end beam structure with uniform loads. Calculating the forces and structural deform...
Open access
Research Article10.9734/jerr/2023/v24i11850
In order to study the bond performance of steel bars and recycled concrete, the ultimate bond stress distribution between recycled concrete and steel bars is analyzed through central pull-out test, and the influence of steel bars grooving on actual stress distribution is consider...
Open access
Research Article10.9734/jerr/2023/v24i11851
Aims: IoT-based trash collection system is a system that can automatically detect obstacles, which can be simplified as trash, and opens the Meta Bin lid to receive the trash. The main goal of the system is to make an environment where to find a digital and automatic way to the t...
Open access
Research Article10.9734/jerr/2023/v24i11849
The aim of this study is to get to know the nature of solid waste management in Okpoko, identify the problems with the current management, and find a possible solution to them, thus creating a well-arranged environment where everyone can stay with no problem of solid waste. A fie...
Open access
Research Article10.9734/jerr/2023/v24i10846
Free-space optical (FSO) communication systems have received a lot of attention from academia and industries due to their low cost, high security and data rates for various wireless communication applications. However, factors such as fog and atmospheric turbulence degrade the pe...
Open access
Research Article10.9734/jerr/2023/v24i10848
Frame is one of the most important parts of a car chassis. As the most basic part of a car, the research of frame plays a very important role in the safety of the vehicle. The research content of this topic is the statics and dynamics of a certain type of truck are analyzed, and...
Open access
Research Article10.9734/jerr/2023/v24i10844
Unified Payment Interface introduced in 2016 is an instant real-time payment system developed by National Payments Corporation of India facilitating inter-bank transactions. The interface is regulated by the Reserve Bank of India and works by instantly transferring funds between...
Open access
Research Article10.9734/jerr/2023/v24i10845