Title :
A novel reconfigurable antenna based on active band reflective frequency selective surface
Author :
Zhang, Liang ; Yang, Guohui ; Wu, Qun
Author_Institution :
Sch. of Electron. & Inf. Eng., Harbin Inst. of Technol., Harbin, China
Abstract :
A newly proposed electronically antenna with a reconfigurable azimuth radiation pattern, has been experimentally investigated in this work. In this design a coaxial colinear (COCO) antenna is located in the middle of a cylinder shield as an omnidirectional source. The cylindrical shield is constructed with active band reflective unit cells. The antenna has been fabricated and measured. A tunable step of 18° is realized. Front-to-back ratio in the directivity pattern is about 20 dB with the depth of null point at -34 dB and the gain of the antenna can be promoted to 9.35 dB.
Keywords :
active antennas; antenna radiation patterns; directive antennas; frequency selective surfaces; omnidirectional antennas; COCO antenna; active band reflective frequency selective surface; active band reflective unit cells; coaxial colinear antenna; cylinder shield; directivity pattern; electronically antenna; front-to-back ratio; gain 9.35 dB; omnidirectional source; reconfigurable antenna; reconfigurable azimuth radiation pattern; Antenna arrays; Antenna measurements; Antenna radiation patterns; Arrays; Gain; Reflector antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
978-1-4673-0461-0
DOI :
10.1109/APS.2012.6349145
