COMPARATIVE INVESTIGATION OF HALF-MODE SIW CAVITY AND MICROSTRIP HYBRID ANTENNA USING DIFFERENT PATCH SHAPES

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DASHTI H.; NESHATI M.H.

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Paper Information

Journal: INTERNATIONAL JOURNAL OF ENGINEERING Year:2014 | Volume:27 | Issue:10 (TRANSACTIONS A: BASICS) Page(s): 1573-1579

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Information Journal Paper

Title

COMPARATIVE INVESTIGATION OF HALF-MODE SIW CAVITY AND MICROSTRIP HYBRID ANTENNA USING DIFFERENT PATCH SHAPES

Author(s)

DASHTI H. | NESHATI M.H. | Issue Writer Certificate

Keywords

HYBRID ANTENNA

MICROSTRIP PATCH

SUBSTRATE INTEGRATED WAVEGUIDE

CAVITY BACKED SLOT ANTENNA

Abstract

A set of hybrid MICROSTRIP PATCH and semi-circular cavity antennas is introduced. The semi-circular cavity is implemented using Half-mode SUBSTRATE INTEGRATED WAVEGUIDE (HMSIW) technique. Different shapes of the patch including rectangular, semi-circular and equilateral triangular are excited using proximity effect by the semi-circular SIW cavity at its TM010 mode. The proposed antenna structures have been excited using an inset 50 W microstrip line that leads to a facility of planar circuit integration. The inherent limited bandwidth of the conventional MICROSTRIP PATCH antenna and SIW cavity-backed slot antenna is improved about 6 to 10% depending on the type of the patch using the proposed structure. Additionally, the proposed HYBRID ANTENNA enhanced the antenna gain by about 1.5 dB in comparison with the half-mode cavity without patch. Meanwhile, the proposed HYBRID ANTENNAs made on a single-layer substrate has a low fabrication cost using printed circuit board (PCB) process. Three HYBRID ANTENNAs are numerically and experimentally investigated. A comparative study between the three different structures contains gain, bandwidth, Cross Polarization Level (CPL) and Front to Back Ratio (FBR) is presented.

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APA: Copy

DASHTI, H., & NESHATI, M.H.. (2014). COMPARATIVE INVESTIGATION OF HALF-MODE SIW CAVITY AND MICROSTRIP HYBRID ANTENNA USING DIFFERENT PATCH SHAPES. INTERNATIONAL JOURNAL OF ENGINEERING, 27(10 (TRANSACTIONS A: BASICS)), 1573-1579. SID. https://sid.ir/paper/649805/en

Vancouver: Copy

DASHTI H., NESHATI M.H.. COMPARATIVE INVESTIGATION OF HALF-MODE SIW CAVITY AND MICROSTRIP HYBRID ANTENNA USING DIFFERENT PATCH SHAPES. INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2014;27(10 (TRANSACTIONS A: BASICS)):1573-1579. Available from: https://sid.ir/paper/649805/en

IEEE: Copy

H. DASHTI, and M.H. NESHATI, “COMPARATIVE INVESTIGATION OF HALF-MODE SIW CAVITY AND MICROSTRIP HYBRID ANTENNA USING DIFFERENT PATCH SHAPES,” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 27, no. 10 (TRANSACTIONS A: BASICS), pp. 1573–1579, 2014, [Online]. Available: https://sid.ir/paper/649805/en

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