Title :
´Drooping´ quadrifilar antenna for land-mobile satellite communications
Author :
Lieul, S. ; Petros, A. ; Davis, W.A. ; Stutzman, W.L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Virginia Polytech. Inst. & State Univ., USA
Abstract :
Measured and simulated results for the ´drooping´ quadrifilar antenna are presented in this paper. The ´drooping quad´ (DQ) provides 43% size reduction compared to conventional quadrifilar antenna with similar radiation characteristics.
Keywords :
antenna radiation patterns; helical antennas; mobile antennas; mobile satellite communication; multifrequency antennas; U-type drooping dipole; antenna feed; drooping quadrifilar antenna; dual band resonant structure; helix antenna; land-mobile satellite radio; normalized radiation patterns; radiation characteristics; size reduction; Antenna measurements; Bandwidth; Helical antennas; Impedance; Mobile antennas; Resonance; Resonant frequency; Satellite antennas; Satellite broadcasting; Satellite communication;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2003. IEEE
Conference_Location :
Columbus, OH, USA
Print_ISBN :
0-7803-7846-6
DOI :
10.1109/APS.2003.1219306
