Title :
A pattern-reconfigurable Yagi antenna based on EBG ground plane
Author :
Xie, Huan-Huan ; Jiao, Yong-Chang ; Ning, Shu-Man ; Song, Yue
Author_Institution :
Nat. Key Lab. of Antennas & Microwave Technol., Xidian Univ., Xi´´an, China
Abstract :
A pattern-reconfigurable Yagi antenna over a mushroom-like EBG ground plane is presented in this paper. The yagi antenna consists of a driver, a reflector, and a director, which are stacked over a mushroom-like EBG ground plane. The reflector and the director can be changed at each other by adjusting RF p-i-n diode switches and the directional radiation pattern is reconfigured. A designed prototype has been constructed and tested. The obtained 10 dB return loss bandwidth is 8.5% (4.87 to 5.3 GHz). The measured results show that good radiation characteristics have been observed. This design is suitable for WEAN operation in the 5 GHz band.
Keywords :
Yagi antenna arrays; antenna radiation patterns; p-i-n diodes; reflector antennas; RF p-i-n diode switches; bandwidth 5 GHz; directional radiation pattern; loss 10 dB; mushroom-like EBG ground plane; pattern-reconfigurable Yagi antenna;
Conference_Titel :
Signals Systems and Electronics (ISSSE), 2010 International Symposium on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-6352-7
DOI :
10.1109/ISSSE.2010.5607010
