# Compact Design of Dual-Band Circular Polarized Microstrip Antenna with Single Feed

**Authors:** Sandip Ghosal, Raed M. Shubair  
**arXiv:** [1909.12988](https://arxiv.org/abs/1909.12988)  
**Date:** 2019-09-27  
**Summary page:** https://www.summarizepaper.com/en/paper/1909.12988v1/

## Key points

- Introduction of a novel and compact dual-band dual-sense circularly polarized microstrip patch antenna with a single coaxial feed
- Integration of square patch with corner truncation and smaller concentric circular patch with double slits for achieving dual-band circular polarization (CP)
- Ability to control resonating frequency of higher order by adjusting dimensions of circle and slits
- Offer CP in two orthogonal planes with different senses of polarization, enhancing overall performance
- Exploration of dual-band capabilities for enhanced functionality in various applications
- Effectiveness of compact design in achieving dual-band circular polarization with a single feed
- Contribution to advanced antenna technologies and potential applications in modern communication systems

## Summary

The research presented in this paper introduces a novel and compact dual-band dual-sense circularly polarized microstrip patch antenna with a single coaxial feed. The key innovation lies in the integration of a square patch with corner truncation and a smaller concentric circular patch with double slits to achieve dual-band circular polarization (CP). By adjusting the dimensions of the circle and slits, the resonating frequency of the higher order can be controlled. This antenna design offers CP in two orthogonal planes with different senses of polarization, enhancing overall performance. Furthermore, this study explores dual-band capabilities, enabling enhanced functionality for various applications. The results and discussions highlight the effectiveness of this compact design in achieving dual-band circular polarization with a single feed. Overall, this research contributes valuable insights into advanced antenna technologies and their potential applications in modern communication systems.