NDLI: Bowtie patch antennas and simple arrays for wireless indoor communications

Content Provider	IEEE Xplore Digital Library
Author	Uysal, S. Mook-Seng Leong Chee Hong Ng
Copyright Year	1963
Abstract	Several bowtie patch-antenna configurations are studied for their suitability for use in broad-band indoor wireless communications. A microstrip bowtie antenna (MBA), based on the design of equilateral triangular patches, is first designed and tested. The same design is used to realize a coplanar-waveguide bowtie antenna (CPWBA) with finite ground plane. The CPWBA is coax-fed from its apex and matched in C-band. The resonant slot length of this antenna is around three times that of the guided wavelength. The measured gain for the CPWBA antenna is 8.1 dB. The same MBA is also used in the realization of (1/spl times/2)-, (2/spl times/1)-, and (2/spl times/2)-element MBA arrays. The MBA and resultant arrays use microstrip feed networks matched to the input impedance at around 10 GHz. The gain of the MBA is 6.2 dB; the gains for the arrays vary within 13.7 and 17.3 dB. The 2:1 voltage standing-wave ratio bandwidths lie in the 9.7%-10.8% range for the realized antennas. The radiation patterns can be optimized to fit the required diversity for the specific indoor wireless communication environment; the beamwidths are demonstrated to vary between 15/spl deg/ and 85/spl deg/, which allow for multipath minimization and radiation diversity within the premises, thereby providing interference-free illumination.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	738
Ending Page	745
Page Count	8
File Size	222492
File Format	PDF
ISSN	00189480
Volume Number	47
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Patch antennas Antenna arrays Microstrip antenna arrays Wireless communication Microstrip antennas Broadband communication Testing Coaxial components Resonance Slot antennas
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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