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This paper presents a slotted-rectangular patch antenna with proximity-coupled feed operated at dual band of millimeter-wave (mmV) frequencies, 28GHz and 38GHz. The antenna was built in multilayer substrate construct by 10-layers Low temperature Co-fiber Ceramic (LTCC) with 5 mils thickness each. The slotted-patch and thick substrate are configured to enhance the bandwidth and obtain a good result...
This paper presents the development of dual-band patch antenna incorporated with split ring resonator (SRR) for Global Positioning System (GPS) and Wireless Local Area Network (WLAN) application. The antenna is composed of 3 layers of copper conductor flanking 2 layers of FR4 Epoxy dielectric substrate with the total thickness of 1.6mm and the dimension of 78.6mm × 48.4mm. The characterization shows...
In this paper, a new type of compact mobile antenna that can generate circularly polarized wave is proposed. The antenna is composed of square-shaped ground plane, monopole type resonator and metal loop structure. Square-shaped ground has degenerate modes which are perpendicular. Resonant frequencies of degenerate modes are efficiently lowered by metal loop structure and are finely split by adjusting...
The next generation of wireless communications is the horizon, and the telecoms world is waiting to see exactly at which frequencies 5G will be implemented. Despite some unknowns and technological challenges, it is increasingly becoming clear that the millimeter-wave will be a key enabler for 5G by allocating more bandwidth to deliver faster, higher-quality video, and multimedia content and services...
The utilization of Electromagnetic band gap in microstrip antenna design becoming most popular. This periodic structure interacts with electromagnetic waves. It characterized by frequency stop-band, pass bands and band gap. Its application seen in filter designs, gratings, frequency selective surfaces, photonic crystal band gap, etc. The EGB structure reduces surface wave level, back lobes and improve...
This paper proposes a single-feed, compact, metasurface-based antenna with circularly-polarized (CP) radiation for the Global Positioning System (GPS) receivers. The antenna consists of a square patch on the metasurface, which is a periodic lattice of 4 × 4 square metallic patches arranged on a grounded dielectric substrate. The CP radiation is obtained by truncating corners of the patch radiator...
A millimeter-wave series-parallel differential-fed patch antenna array is presented, where the intrinsic field distribution of TE20 mode in substrate integrated waveguide (SIW) is used to conveniently implement dual-slot feeding. One 28 GHz patch antenna element fed by TE20-mode SIW is firstly designed, achieving simulated 10-dB impedance bandwidth of 10.2% and peak gain of 6.48 dBi. A 4 × 4 array...
A millimeter-wave series-parallel differential-fed patch antenna array is presented, where the intrinsic field distribution of TE20 mode in substrate integrated waveguide (SIW) is used to conveniently implement dual-slot feeding. One 28 GHz patch antenna element fed by TE20-mode SIW is firstly designed, achieving simulated 10-dB impedance bandwidth of 10.2% and peak gain of 6.48 dBi. A 4 × 4 array...
In this paper, the bandwidth enhancement of monopole printed antenna backed with metasurface is presented. The proposed antenna which is intended to work at frequency of 2.3MHz consists of a rectangular patch on the top side and a metasurface on the other side. It is designed on an FR4 Epoxy dielectric substrate with the thickness of 0.8mm. To demonstrate the feature of bandwidth enhancement, a conventional...
A coax-feed low profile dual-polarized circular patch antenna with high impedance surface (HIS) reflector is presented. The proposed antenna contains two pairs of H-shaped slots on the two bow-tie shaped patches separately, which keep the cross polarization under −39 dB. By introducing two short pins, the isolation between the two ports remains more than 40 dB in the whole bandwidth. Low profile and...
An efficient approach to suppress the mutual coupling of a three-element microstrip patch array and a four-element microstrip patch array is proposed using waveguided band-gap structure (WG-BGS). The waveguided band-gap structure are realized by crossed-meander-line slits, which exhibit band-gap property. By inserting the WG-BGS between the elements of coupled patch arrays, the mutual coupling of...
A probe-fed stacked U-slot patch antenna for satellite applications is presented. The impedance bandwidth (VSWR≤1.5) of 7.7% is achieved at the designed frequency fo. The simulated peak realized gain of the proposed antenna is about 9 dBi.
This paper proposes a Ka-band aperture-coupled microstrip patch antenna (ACMPA) based on low temperature co-fired ceramic (LTCC) technology for circular polarization (CP) at 29 GHz. The antenna consists of an aperture coupled patch with stacked parasitic strips (SPS). The CP is produced by cutting the patch and the parasitic strips. The antenna provides an impedance bandwidth of 1.2 GHz from 28 GHz...
A metamaterial-based broadband low-profile hexagonal-grid-slotted patch antenna is presented. By specially slotting the radiating patch, a periodic array of series capacitor loaded metamaterial hexagonal patch cell is formed, and excited through the coupling aperture in a ground plane right underneath and parallel to the M-shaped slot at the center of patch. By exciting two adjacent resonant modes...
This paper proposes a new design of compact fractal patch microstrip antenna fed by coplanar waveguide to reduce the antenna dimension and to increase its bandwidth for Long Term Evolution application purposes. The results shown return loss of −23.45 dB and VSWR 1.144 can be achieved by controlling the height and the width of the fractal patch dimension. Bandwidth of the proposed antenna is 375 MHz...
This paper proposes a planar broadband circularly polarized patch antenna integrated with metasurface solar cells. The antenna is composed of a square patch with a diagonal slot sandwiched between a metasurface, which is implemented with a lattice of 4 × 4 square solar cells, and the ground plane. This arrangement allows 100% exposure of the solar cells to sunlight. The broadband characteristic is...
The present investigation deals with the fabrication of silver (Ag) patch antenna with yttrium iron garnet (YIG) thick film layer inclusion as substrate overlay to enhance its performance. In this paper, YIG nanopowder was mixed with organic vehicle which consists of linseed oil, m-xylene and α-terpineol with powder ratio of 30 wt%. Then the mix was stirred at 150rpm for 3 hours at 40°C in order to...
This paper proposes a novel approach to design a microstrip patch antenna and to obtain the relationships between physical dimensions of it and its bandwidth. The curve-fitting method is adopted to establish the aforesaid relationship. The antenna is designed to operate in X band region of the entire electromagnetic spectrum and simulated results are verified with respect to the design frequency.
In this study, a square microstrip patch antenna operating in millimeter wave frequencies with improved return loss characteristics is proposed. The proposed patch antenna operates at 30 GHz which is among the projected 5G communication frequencies and has a novel geometry with diamond-shaped slots. The first design in this work is a conventional inset fed square microstrip patch antenna. It has a...
This paper presents two antenna design, the first antenna design a dipole antenna made of two material, aluminum and iron to works at TV channel frequency (450MHz-950MHz) in Jakarta, Indonesia. The second antenna design is a rectangular microstrip antenna with line feed method for radar application such as weather radar working on S-band at 3GHz frequency, we used rectangular shape because it is the...
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