Planar antenna with patch radiators for wide bandwidth

Details Planar antenna with patch radiators for wide bandwidth Planar antenna with patch radiators for wide bandwidth

1997-06-06

1999-08-03

Wong, Don

Communications: radio wave antennas

Antennas

Microstrip

H01Q 138

Patent

active

059331151

ABSTRACT:
A microstrip antenna (100) achieves wider bandwidth by using an asymmetric radiating structure (110). The radiating structure (110) supports at least two resonating modes, which are preferably a differential and a common resonating mode. A feed system (130, 135) is coupled to the radiating structure (110) to excite the respective resonating modes at different frequencies to provide a radiating band for communication signals. Preferably, the antenna (100) includes patch radiators (112, 114) of substantially different widths, and a buried microstrip line (130) that simultaneously feeds the patch radiators (112, 114).

REFERENCES:
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patent: 5572222 (1996-11-01), Mailandt et al.
patent: 5661494 (1997-08-01), Bondyopadhyay
3Pozer, David M. "A review of Bandwidth Enhancement Techniques for Microstrip Antennas." in Microstrip Antennas, The Analysis and Design of Microstrip Antennas and Arrays, (New York, The Institute of Electrical and Electronics Engineers, 1995) pp. 157-166, TK7871.6.M512.
Popovic, Branko D., Jon Schoenberg, and Zoya Basta Popovic. "Broadband Quasi-Microstrip Antenna." IEEE Transactions on Antennas and Propogation, vol. 43, No. 10, (Oct. 1995). pp. 1148-1152.

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