Conformal Antenna with Reconfigurability of Monopole-like and Broadside Patterns Realized with Polymer-Conductive Textile Composite

Simorangkir, Roy B. V. B.; Mohamadzade, Bahare; Lalbakhsh, Ali; Kumar, Sanjeev; Buckley, John L.; Bjorninen, Toni; O'Flynn, Brendan

Abstract

A conformal antenna with a capability of electronically switching between monopole-like and broadside radiation modes is presented. The design is based on a proximity-fed circular patch, loaded with a ring patch and four rectangular slots. The reconfigurability is achieved through activation and deactivation of the slots using PIN diodes, to switch between TM 02 (monopole-like) mode and perturbed TM 02 (broadside) mode. Polymer-conductive textile composite material is used to implement the antenna, with all antenna elements including DC biasing circuit and associated electronic components fully integrated inside the polymer. This configuration makes the antenna robust against deformation and harsh environment. Experimental investigations on the antenna RF performance including bending tests are presented. The measurements demonstrated that under bending, the antenna retained its reconfigurability with stable impedance and radiation performance relative to those of the flat case, i.e., 17.9% overlapping bandwidth of the two radiation modes and peak realized gains of 1.75 and 2.9 dBi at 5.2 GHz in monopole-like and broaside modes, respectively.

Citation

Simorangkir, R. B. V. B., Mohamadzade, B., Lalbakhsh, A., Kumar, S., Buckley, J. L., Bjorninen, T., & O'Flynn, B. (2022, April). Conformal Antenna with Reconfigurability of Monopole-like and Broadside Patterns Realized with Polymer-Conductive Textile Composite. Presented at 2021 51st European Microwave Conference (EuMC), London, United Kingdom

• Presentation Conference Type: Conference Paper (published)
• Conference Name: 2021 51st European Microwave Conference (EuMC)
• Start Date: Apr 4, 2022
• End Date: Apr 6, 2022
• Acceptance Date: Feb 4, 2022
• Online Publication Date: Jun 2, 2022
• Publication Date: 2022
• Deposit Date: Oct 19, 2023
• Publisher: Institute of Electrical and Electronics Engineers
• Peer Reviewed: Peer Reviewed
• Book Title: 2021 51st European Microwave Conference (EuMC)
• ISBN: 9781665447218
• DOI: https://doi.org/10.23919/eumc50147.2022.9784195
• Public URL: https://durham-repository.worktribe.com/output/1792281