Title :
Compact Broadband Printed Slot-Monopole-Hybrid Diversity Antenna for Mobile Terminals
Author :
Kang, Gaojian ; Du, Zhengwei ; Gong, Ke
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
fDate :
7/3/1905 12:00:00 AM
Abstract :
A compact broadband printed diversity antenna is proposed and studied. The antenna, which consists of two symmetric slot-monopole-hybrid (SMH) elements, is printed on a printed circuit board (PCB). A prototype of the proposed antenna is fabricated and measured. It has a -10-dB impedance bandwidth of 460 MHz (1.85-2.31 GHz), covering the PCS (1850-1990 MHz), PHS (1880-1930 MHz), DECT (1880-1900 MHz), and UMTS (1920-2170 MHz) bands, and across the whole band, the isolation of the diversity antenna is higher than 14.8 dB. The measured radiation patterns can cover complementary space regions. The diversity performance is also evaluated by calculating the envelope correlation coefficient, the mean effective gains of the elements, and the diversity gain using the measured results.
Keywords :
UHF antennas; antenna radiation patterns; broadband antennas; microstrip antennas; mobile radio; monopole antennas; printed circuits; slot antennas; DECT bands; PCB; PCS bands; PHS bands; SMH elements; UMTS bands; antenna radiation patterns; bandwidth 460 MHz; compact broadband printed slot-monopole-hybrid diversity antenna; diversity gain; frequency 1.85 GHz to 2.31 GHz; frequency 1850 MHz to 1990 MHz; frequency 1880 MHz to 1930 MHz; frequency 1920 MHz to 2170 MHz; mobile terminals; printed circuit board; symmetric slot-monopole-hybrid elements; Antenna measurements; Antenna radiation patterns; Broadband antennas; Diversity methods; Mobile antennas; Resonant frequency; Broadband antenna; diversity antenna; diversity gain; isolation; mean effective gain;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2011.2119458
