DocumentCode :
726242
Title :
Indented quasi-Yagi antenna array for high-isolation full-duplex radios
Author :
Qiang Xu ; Shihan Qin ; Wang, Yuanxun Ethan
Author_Institution :
Electr. Eng. Dept., Univ. of California, Los Angeles, Los Angeles, CA, USA
fYear :
2015
fDate :
17-22 May 2015
Firstpage :
1
Lastpage :
4
Abstract :
An indented quasi-Yagi antenna array is proposed for the purpose of achieving better impedance match by creating and combining out-of-phase return losses from each individual antenna element. The array architecture, jointly with non-reciprocal components such as circulators, can provide higher isolation between the transmitting and receiving paths in a full-duplex radio, without limiting the choices of antenna polarizations and radiation patterns. An antenna array of four meandered quasi-Yagi dipole elements with feeding network is designed and fabricated on Rogers 4350 substrate. The fabricated indented array has demonstrated 16dB average isolation improvement and 13dB return loss improvement over the frequency from 3.3GHz to 3.4GHz.
Keywords :
Yagi antenna arrays; antenna radiation patterns; dipole antenna arrays; electromagnetic wave polarisation; impedance matching; losses; Rogers 4350 substrate; antenna polarization; antenna radiation pattern; feeding network; frequency 3.3 GHz to 3.4 GHz; high isolation full duplex radio; impedance matching; indented quasi-Yagi antenna array; meandered quasi-Yagi dipole element; out-of-phase return losses; Adaptation models; Antenna arrays; Integrated circuit modeling; Microstrip; Antenna feeds; antenna arrays; radio communication; radio transceivers; repeaters;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Microwave Symposium (IMS), 2015 IEEE MTT-S International
Conference_Location :
Phoenix, AZ
Type :
conf
DOI :
10.1109/MWSYM.2015.7167128
Filename :
7167128
Link To Document :
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