Research Article
Dual Band Reconfigurable Antenna For Sub 6GHz and Millimeter Wave Bands For 5G Mobile Applications
@INPROCEEDINGS{10.4108/eai.25-10-2023.2348724, author={Abubakar Salisu and Atta Ullah and Umar Musa and Mobayode O. Akinsolu and Ibrahim Gharbia and Ahmad Aldelemy and Mustapha A Modibbo and Umar Usman and A. S. Hussaini}, title={Dual Band Reconfigurable Antenna For Sub 6GHz and Millimeter Wave Bands For 5G Mobile Applications}, proceedings={Proceedings of the 3rd International Multi-Disciplinary Conference: “Integrated Sciences and Technologies”, IMDC-IST 2023, 25-27 October 2023, Yola, Nigeria}, publisher={EAI}, proceedings_a={IMDC-IST}, year={2024}, month={8}, keywords={dual band ultra-wide antenna milli meter wave}, doi={10.4108/eai.25-10-2023.2348724} }- Abubakar Salisu
Atta Ullah
Umar Musa
Mobayode O. Akinsolu
Ibrahim Gharbia
Ahmad Aldelemy
Mustapha A Modibbo
Umar Usman
A. S. Hussaini
Year: 2024
Dual Band Reconfigurable Antenna For Sub 6GHz and Millimeter Wave Bands For 5G Mobile Applications
IMDC-IST
EAI
DOI: 10.4108/eai.25-10-2023.2348724
Abstract
The proposed reconfigurable dual-band antenna switching between millimeter wave and sub-6 GHz bands is a necktie round shape patch design connected with a meandered radiating patch element at the top front with an H slot shape and a partial or truncated ground plane at the back to enhance the antenna's functionality and performance. The dual band antenna is designed using CST microwave studio on a substrate Rogers 3003 with a dimension of 27.8 mm x 14mm and thickness of 1.52 mm with a dielectric constant of 2.2 and a loss tangent of 0.0009 respectively. The PIN diode (SMP 1321-079LF) is placed between the two parts to resonate the antenna at 3.5 and 28 GHz by altering the switching state. During the ON state of the PIN diode, the antenna operates at both 3.5 GHz and 28 GHz; whereas, in the OFF state, it operates in the mm-wave band at 28 GHz, thereby eliminating the 3.5 GHz band. The proposed antenna has an ultra-wide bandwidth of 19.65 GHz covering almost all the milli meter wave bands of 23 GHz, 28 GHz, and 38 GHz (from 22.65 – 42.30 GHz) while the sub-6 GHz band has a bandwidth of 962 MHz (3.02 – 3.99 GHz) respectively. The return loss of the antenna is -31.33 dB and -49.72 dB at 3.5 GHz and 28 GHz respectively. However, this antenna is compact and combines two different frequency bands, the large frequency ratio between the millimeter wave band to the sub-6 GHz band is 8.
