A Dual-Band Dual-Polarized Antenna Array with Improved Isolation

Yiming Zhang, Jia-Lin Li, Bing Zhong Wang

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Abstract

In this work, a dual-band dual-polarized microstrip antenna array is presented with well cancelled self-interference resulting from the couplings within the array for co-time co-frequency full-duplex communications. The proposed single dual-band dual-polarized antenna uses multi-layer architecture, where feedings in shunt and in series are adopted for the two polarizations, respectively. A symmetrical array scheme collaborated with specified excitations is proposed for array applications to further improve the isolation level. A 1 × 4 array operated at 2.45 GHz and 3.5 GHz is designed for verification. Simulated results show that the isolations are higher than 60 dB for the two impedance bandwidths with |S 1,1 | ≤ 10 dB.
Original languageEnglish
Publication date6 Dec 2018
DOIs
Publication statusPublished - 6 Dec 2018
Externally publishedYes
Event2018 International Conference on Microwave and Millimeter Wave Technology - Chengdu, China
Duration: 7 May 201811 May 2018

Conference

Conference2018 International Conference on Microwave and Millimeter Wave Technology
CountryChina
CityChengdu
Period07/05/201811/05/2018

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