Title :
A wide bandwidth high efficiency low crosspolar microstrip array antenna for communication applications
Author :
Miller, P.A. ; Staker, M.R.
Author_Institution :
British Telecom Res. Lab., Ipswich, UK
Abstract :
The design and testing of a high-performance microstrip array with a 5% bandwidth, an aperture efficiency of 58%, and a boresight crosspolar isolation of 54 dB operating around 12.6 GHz are presented. This design is compatible with mass-production printed circuit techniques for low cost. The array consists of 256 microstrip subarrays, arranged in a triangular grid. Each subarray consists of five rectangular microstrip patch radiators arranged in a cross configuration. The center patch of the cross is fed using aperture coupling, while the other four patches are excited parasitically from the fringing fields of the center patch. The subarrays are fed from an isolated microstrip corporate feed network.<>
Keywords :
antenna feeders; electromagnetic wave polarisation; microstrip antennas; microwave antenna arrays; microwave measurement; telecommunication equipment; 12.6 GHz; 58 percent; SHF; aperture coupling; aperture efficiency; bandwidth; boresight crosspolar isolation; communication applications; cross configuration; crosspolar microstrip array antenna; design; fringing fields; isolated microstrip corporate feed network; mass production; parasitic excitation; printed circuit techniques; rectangular microstrip patch radiators; testing; triangular grid; Antenna arrays; Apertures; Bandwidth; Circuit testing; Dielectric substrates; Feeds; Microstrip antenna arrays; Microstrip antennas; Polarization; Reflector antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1991. AP-S. Digest
Conference_Location :
London, Ontario, Canada
Print_ISBN :
0-7803-0144-7
DOI :
10.1109/APS.1991.174910
