Title :
A capacitively loaded PIFA for compact mobile telephone handsets
Author :
Rowell, Corbett R. ; Murch, R.D.
Author_Institution :
Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., Hong Kong
fDate :
5/1/1997 12:00:00 AM
Abstract :
A capacitively loaded planar inverted-F antenna (PIFA) is proposed and studied. It is found that the capacitive load reduces the resonance length of the PIFA from λ/4 to less than λ/S. A design with a bandwidth of 178 MHz centered at 1.8 GHz is provided to demonstrate that compact antennas for mobile telephone handsets can be constructed using this approach. The finite-difference time-domain (FDTD) method is used in the study and experimental verification is also provided
Keywords :
antenna radiation patterns; digital radio; finite difference time-domain analysis; land mobile radio; mobile antennas; telephone sets; 1.8 GHz; 178 MHz; FDTD methods; bandwidth; capacitively loaded PIFA; compact antennas; compact mobile telephone handsets; design; finite-difference time-domain method; planar inverted-F antenna; resonance length; Adaptive arrays; Coaxial components; Feeds; Finite difference methods; Loaded antennas; Mobile antennas; Receiving antennas; Telephone sets; Telephony; Time domain analysis;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
