Title :
Linear and circular polarization agility in Annular Waveguide Slot Antennas (AWSA)
Author :
Ebadi, Siamak ; Forooraghi, Keyvan
Author_Institution :
Electr. Eng. Dept., Tarbiat Modarres Univ., Tehran
Abstract :
Ability of novel annular waveguide slot antenna (AWSA) arrays to radiate any of the four main polarizations (circular left hand or right hand (CLHP or CRHP) or linear horizontal or vertical) is presented in this paper for the first time. By forming a 4-element AWSA array and proposing simple feed coefficients, the desired polarization will be achieved from the resulted array. Such polarization agility would have a wide range of applications in modern wireless communication systems.
Keywords :
loop antennas; polarisation; slot antennas; 4-element AWSA array; annular waveguide slot antennas; circular polarization agility; linear polarization agility; wireless communication systems; Antenna accessories; Antenna arrays; Circuit simulation; Feeds; Linear antenna arrays; Planar waveguides; Polarization; Predictive models; Rectangular waveguides; Slot antennas; Slot antennas; circular arrays; circular waveguides; planar arrays; polarization; waveguide bends;
Conference_Titel :
Radio and Wireless Symposium, 2009. RWS '09. IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2698-0
Electronic_ISBN :
978-1-4244-2699-7
DOI :
10.1109/RWS.2009.4957308
