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Linear to circular polarized wave convertor loaded dual port dielectric resonator antenna with enhanced gain for WLAN applications
Ist Teil von
Electromagnetics, 2023-08, Vol.43 (6), p.407-417
Ort / Verlag
Philadelphia: Taylor & Francis
Erscheinungsjahr
2023
Link zum Volltext
Quelle
Taylor & Francis Journals Auto-Holdings Collection
Beschreibungen/Notizen
In this article, a dual-port ceramic-based radiator is discussed and examined. A pentagon-shaped slot is used to excite the cylindrical-shaped dielectric, which stimulates HEM
11δ
mode in it. A meta-surface is placed over the dual-port radiator for transforming linear waves into circularly polarized (CP) waves from 5.51 to 6.01 GHz. LHCP antenna gain is also increased from 6.0 to 9.0 dBi within the working frequency range, after applying the proposed meta-surface. Experimental verification of antenna prototype confirms the working band of the proposed radiator from 5.25 to 6.17 GHz. The isolation between the ports is more than 20 dB, which is in the acceptable limit. The better value of far-field and diversity factors confirms the suitability of the proposed antenna in wireless LAN (5.5 GHz) applications.