Abstract
In this paper, optimization of a miniaturized multiple-inputs multiple-outputs (MIMO) antenna was performed. This antenna was composed of a T-shape radiating element with stub and reduced ground plane and a compact size of 25 mm × 25 mm × 1.6 mm. The behavior of antenna was evaluated in terms of return loss (S-parameter < −10 dB), electromagnetic interference (EMI), and operation frequency. The antenna design is applicable to many applications. A 2K factorial design combined with a genetic algorithm (GA) optimization technique were used to identify the key design parameters responsible for affecting the performance quality of the antenna. Optimization of the antenna design for EMI reduction was utilized, and the optimal design showed enhanced bandwidth of the antenna and reduced power consumption.
Highlights
Antennas are used in several aspects of life, from human body networks to space communication.There are many antennas around us, and their interference with one another and with other electronic gadgets must be reduced
Altering the ten structural parameters helps in reducing Electromagnetic interference (EMI), whereas changing the operating frequency affects its area of application [30]
After the key structural parameters were identified from the factorial design, genetic algorithm (GA) was employed
Summary
There are many antennas around us, and their interference with one another and with other electronic gadgets must be reduced. Whether onboard or offboard, radiating and receiving electronic appliances such as antennas can interfere with other such devices and can reduce their application effectiveness. Multipath propagation issues arise in conventional transmission systems due to signal degradation in the transmission medium of the transmitter and receiver. To overcome this issue, multiple-input multiple-output (MIMO) technology can be implemented [2,3,4,5,6,7,8]. A variety of research on MIMO antennas can be found in the literature with an aim of achieving high quality, isolated signals along with compact antenna size to overcome the aforementioned issues
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