Title :
Bandwidth enhancement of PIFA loaded with very high permittivity material using FDTD
Author :
Lo, T.K.-C. ; Yeongming Hwang
Author_Institution :
City Univ. of Hong Kong, Kowloon, Hong Kong
Abstract :
Bandwidth enhancement on a miniature PIFA antenna is demonstrated in this paper. The miniature PIFA antenna consists of multilayers of very high permittivity materials (/spl epsi//sub r/>35). A 75% reduction in size has been accomplished as compared to that of the conventional PIPA. The achieved antenna gain is 7 dBi and the bandwidth is 5.75.
Keywords :
UHF antennas; antenna radiation patterns; finite difference time-domain analysis; microstrip antennas; permittivity; 1.8 GHz; 7 dB; FDTD; UHF; antenna gain; bandwidth enhancement; miniature PIFA; multilayers; planar inverted-F antenna; size; very high permittivity material; Bandwidth; Nonhomogeneous media; Permittivity;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1998. IEEE
Conference_Location :
Atlanta, GA, USA
Print_ISBN :
0-7803-4478-2
DOI :
10.1109/APS.1998.702059
