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Microstrip antenna with high self‐interference cancellation using phase reconfigurable feeding network for in‐band full duplex communication
Author(s) -
Chaudhary Girdhari,
Jeong Junhyung,
Jeong Yongchae,
Ham Woonchul
Publication year - 2020
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.32104
Subject(s) - microstrip antenna , reconfigurable antenna , transmitter , electronic engineering , microstrip , bandwidth (computing) , patch antenna , ku band , single antenna interference cancellation , antenna (radio) , computer science , telecommunications , acoustics , engineering , physics , coaxial antenna , channel (broadcasting)
This article presents a bistatic microstrip circular patch antenna with high self‐interference cancellation (SIC) through phase reconfigurable differential feeding network. The proposed microstrip antenna consists of closely spaced transmitter and receiver patches having orthogonal polarization with respect to each other. To achieve high SIC, the phase reconfigurable of feeding network can assist in tracking the phase offsets of self‐interference signal caused by fabrication error or scattering nearby objects. From the experiment, the proposed antenna provided higher than 75 dB (65 dB) SIC bandwidth for 36 MHz (50 MHz) at the center frequency of 2.50 GHz. The proposed antenna is a good candidate for in‐band full duplex communication system because of its simple design.