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Title: Investigation of wide-band microstrip slot antenna
Authors: Sharma, SK
Shafai, L
Jacob, N
Keywords: dual slot antenna
finite ground plane
microstrip line feed
microstrip slot antenna
polarization diversity
wide bandwidth
Issue Date: 31-Mar-2004
Citation: 0018-926X; IEEE TRANS ANTENNAS PROPAGAT, MAR 2004, vol. 52, no. 3, p.865 to 872.
Abstract: This paper presents the simulation and experimental investigations of a printed microstrip slot antenna. It is a quarter wavelength monopole slot cut in the finite ground plane edge, and fed electromagnetically by a microstrip transmission line. It provides a wide impedance bandwidth adjustable by variation of its parameters, such as the relative permittivity and thickness of the substrate, width, and location of the slot in the ground plane, and feed and ground plane dimensions. The ground plane is small, 50 mm x 80 mm, and is about the size of a typical PC wireless card. At the center frequency of 3.00 GHz, its width of 50 mm is about lambda/2 and influences the slot impedance and bandwidth, significantly. An impedance bandwidth (S-11=-10 dB) of up to about 60% is achieved by individually optimizing its parameters. The simulation results are confirmed experimentally. A dual complementary slot antenna configuration is also investigated for the polarization diversity.
Appears in Collection(s):Research Publications (UofM Student, Faculty and Staff only access)

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