Title :
Design of single-feed multi-beam transmitarray antennas
Author :
Abdelrahman, Ahmed H. ; Nayeri, Payam ; Elsherbeni, Atef Z. ; Fan Yang
Author_Institution :
Electr. Eng. Dept., Univ. of Mississippi, Oxford, MS, USA
Abstract :
The feasibility of designing single-feed transmitarray antennas with simultaneous multiple beams is investigated in this paper. Different far-field pattern masks and fitness functions are studied for multi-beam designs, and phase synthesis is achieved using the particle swarm optimization technique. A quad-layer configuration using double-square rings is selected for the transmitarray elements, and several designs of quad-beam transmitarray antenna are studied. A Ku-band symmetric quad-beam antenna with 50° elevation separation between the beams is demonstrated.
Keywords :
antenna radiation patterns; lens antennas; multibeam antennas; particle swarm optimisation; transmitting antennas; Ku-band symmetric quad-beam antenna; double-square rings; far-field pattern fitness functions; far-field pattern masks function; multi-beam designs; particle swarm optimization technique; phase synthesis; quad-beam transmitarray antenna; quad-layer configuration; single-feed multi-beam transmitarray antennas; Antenna arrays; Antenna feeds; Antenna radiation patterns; Arrays; Gain; Reflector antennas; Transmitting antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2014 IEEE
Conference_Location :
Memphis, TN
Print_ISBN :
978-1-4799-3538-3
DOI :
10.1109/APS.2014.6904959
