期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 71, 期 1, 页码 1053-1058出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2022.3217118
关键词
Probes; Antennas; Dielectrics; Full-duplex system; Electric fields; Periodic structures; Dielectric resonator antennas; Characteristic mode; dielectric resonator antenna (DRA); full-duplex; mode cancellation; mutual coupling
This communication investigates the method of mode cancellation for designing a two-port dielectric resonator antenna (DRA) for in-band full-duplex (IBFD) applications. The antenna structure is simple, consisting only of a single DRA element, a pair of feeding lines, and a pair of metallic probes. By utilizing different modes, the mutual coupling between the exciting port and the passive port can be suppressed to a very low level without the need for an extra decoupling structure. A prototype is fabricated and measured to verify the design, with the results demonstrating broad bandwidth and high isolation throughout the working band.
The method of mode cancellation to design a two-port dielectric resonator antenna (DRA) for an in-band full-duplex (IBFD) application is investigated in this communication. The whole antenna structure is straightforward, only composed of a single DRA element, a pair of feeding lines, and a pair of metallic probes. Attributing to the features of different modes used in this design, mutual coupling between the exciting port and the passive port can be suppressed to an extremely low level without using an extra decoupling structure. A prototype is fabricated and measured for verification. The measured results demonstrate that the proposed antenna has broad bandwidth and high isolation level can be achieved throughout the whole working band.
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