An Aperture-Coupled Stacked Microstrip Antenna for GPS Frequency Bands L1, L2 and L5

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Authors
  1. Doust, E.G.
Corporate Authors
Carleton Univ, Ottawa ONT (CAN) Dept of Electronics;Defence R&D Canada - Ottawa, Ottawa ONT (CAN)
Abstract
This report investigates a technique of stacking rectangular microstrip antenna elements to achieve dual frequency operation. In the particular configuration studied, two square patches are stacked on top of each other above a common ground plane. These elements are fed by the means of an aperture-coupled feed network. The aperture-coupled configuration has the advantage of isolating spurious feed radiation by the use of the common ground plane. The antenna was designed to operate at GPS frequencies L1, L2 and L5. Two similar antenna structures were designed using different substrate material. The reason for designing a second antenna was to reduce the dimensions of the first antenna for array configuration.

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Keywords
Antennas;Multi-band antenna;microstrip antenna;planar antenna;circular polarization;GPS application;Circular polarized antennas;Microstrip patch antennas
Report Number
DRDC-OTTAWA-CR-2007-147 — Contractor Report
Date of publication
01 Aug 2007
Number of Pages
129
DSTKIM No
CA029595
CANDIS No
527950
Format(s):
CD ROM

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