Abstract
This paper proposes two novel designs of a high Q-factor frequency selective surface (FSS), which resonates in the 5G mmWave band (n257: 26.5 to 29.5 GHz). Radome applications are proposed, and they were experimentally evaluated. The FSSs were designed based on slot and meander line elements and are composed of a simple symmetric structure for stable performance at angles of incidence and polarization. The proposed FSSs were investigated using electromagnetic waves incident at degrees from 0° to 30°; the frequency deviations did not exceed 1 % for transverse electric and transverse magnetic polarizations and achieved high angular stability. Additionally, a high Q-factor was confirmed by measuring a 3-dB bandwidth of 2.7 % and 8.85 % of the center frequency (28 GHz). For the performance evaluation, the fabricated FSS prototypes were designed on a single-layer substrate of high-frequency, low-loss TLY-5 (ϵr=2.2, tan δ =0.0009) composed of 30×30 (15×15 cm2) unit cells (5×5 mm2). The experimental results were in good agreement with the numerical results.
| Translated title of the contribution | Frequency Selective Surfaces with High Q-Factor and Angular Stability for the Ka-Band of 5G Communications |
|---|---|
| Original language | Korean |
| Pages (from-to) | 28-35 |
| Number of pages | 8 |
| Journal | 한국전자파학회 논문지 |
| Volume | 35 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2024 |