Comparative Investigation of Half-mode SIW Cavity and Microstrip Hybrid Antenna Using Different Patch Shapes

Dashti, H.; Neshati, M. H.
October 2014
International Journal of Engineering (1025-2495);Oct2014, Vol. 27 Issue 10, p1573
Academic Journal
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 Ω 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.


Related Articles

  • Research and Design of Magnetic Substrate Microstrip Antenna with Electromagnetic Band-Gap Structure. YANG Hong; LIU Dan; CHEN Wei // Applied Mechanics & Materials;2014, Issue 685, p314 

    Based on the magnetic materials (JV-5) substrate, Double L-shaped slot microstrip antenna is designed. The bandwidth is over 2 times that of the normal substrate and a 40% reduction in size happens.. On this basis, the microstrip antenna with magnetic substrate EBG structure is designed and the...

  • A wideband aperture-coupled microstrip antenna for S and C bands. Ghassemi, N.; Rashed-Mohassel, J.; Mohanna, Sh.; Moradi, Gh. // Microwave & Optical Technology Letters;Aug2009, Vol. 51 Issue 8, p1807 

    This article presents a multilayer aperture-coupled microstrip antenna with a nonsymmetric U-shaped feed line. The antenna structure consists of a rectangular patch which is excited through two slots on the ground plane. Experimental results show that the antenna has VSWR < 2 from 2.6 to 6.8 GHz...

  • Design and Analysis of Printed Yagi-Uda Antenna and Two-Element Array for WLAN Applications. Cai Run-Nan; Yang Ming-Chuan; Lin Shu; Zhang Xing-Qi; Zhang Xin-Yue; Liu Xiao-Feng // International Journal of Antennas & Propagation;2012, p1 

    A printed director antenna with compact structure is proposed. The antenna is fed by a balanced microstrip-slotline and makes good use of space to reduce feeding network area and the size of antenna. According to the simulation results of CST MICROWAVE STUDIO software, broadband characteristics...

  • Variations of P-shape microstrip antennas for multi-band dual polarised response. Deshmukh, Amit A.; Verma, Priyanka; Pawar, Shefali // IET Microwaves, Antennas & Propagation;2019, Vol. 13 Issue 3, p398 

    A novel design of a P-shape microstrip antenna is proposed. The stub in the P-shape patch modifies the frequency and resonant mode distributions at second-order TM20 mode which along with TM10 and TM01 modes yields dual-polarised triple-frequency response, showing 1−1.5% of impedance...

  • Reduced microstrip slot multiband antenna with A U-shaped resonator for wlan applications. Flores-Leal, R.; Jardon-Aguilar, H.; Tirado-Mendez, A.; Acevo-Herrera, R. // Microwave & Optical Technology Letters;Dec2012, Vol. 54 Issue 12, p2684 

    The development of two reduced microstrip slot antennas with a U-shaped resonant configuration is presented. The additional resonator is located inside the slot and is designed to perform dual band operation, covering the 2.4 GHz and 5.8 GHz WLAN frequency bands. The main goal of the antenna...

  • DESIGN AND ENHANCEMENT BANDWIDTH RECTANGULAR PATCH ANTENNA USING SINGLE TRAPEZOIDAL SLOT TECHNIQUE. Hamad, Karim A. // Journal of Engineering & Applied Sciences;Mar2012, Vol. 7 Issue 1, p292 

    Microstrip patch antennas has some drawbacks of low efficiency, narrow bandwidth (3-6%) of the central frequency, its bandwidth is limited to a few percent which is not enough for most of the wireless communication systems nowadays. In this paper one of the efficient methods used for the...

  • A novel short length half-width microstrip leaky wave antenna with suppressed back lobes. Yi-Lin Chiou; Jin-Wei Wu; Jie-Huang Huang; Jou, Christina F. // Microwave & Optical Technology Letters;Dec2009, Vol. 51 Issue 12, p3024 

    A novel short half-width microstrip leaky wave antenna (MLWA) with suppressed back lobes is introduced. The design contains an oblique shape termination and a linked square metal with a grounded via hole. The oblique shape termination changes the direction of the reflected wave, and a linked...

  • Millimeter‐wave microstrip patch antenna using vertically coupled split ring metaplate for gain enhancement. Jeong, Min Joo; Hussain, Niamat; Park, Ji Woong; Park, Seong Gyoon; Rhee, Seung Yeop; Kim, Nam // Microwave & Optical Technology Letters;Oct2019, Vol. 61 Issue 10, p2360 

    This article presents a millimeter‐wave (mmWave) microstrip patch antenna (MPA) with a vertically coupled split ring metaplate (VCSRM). The narrow bandwidth and low gain of MPA are improved using VCSRM by periodically arranging split rings on the front and backsides of a dielectric slab....

  • A high-performance 94 GHz planar Quasi-Yagi antenna on GaAs substrate. Le Huu Truong; Yong-Hyun Baek; Mun-Kyo Lee; Sun-Woo Park; Sang-Jin Lee; Jin-Koo Rhee // Microwave & Optical Technology Letters;Oct2009, Vol. 51 Issue 10, p2396 

    A high-performance 94 GHz planar Quasi-Yagi antenna on a GaAs substrate is presented. The antenna is fabricated on a 100 μm GaAs wafer and has dimension of 1.6 × 2.6 mm2. Experimental results show that this antenna covers a wide bandwidth from 91 GHz to 106 GHz, with the return loss of...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics