Articles with "quad band" as a keyword



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Effect of User Proximity on Internal Quad Band Mobile Phone MIMO/Diversity Antenna Performances

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Published in 2017 at "Wireless Personal Communications"

DOI: 10.1007/s11277-016-3855-y

Abstract: This paper is in continuation of our previous published work, in which effect of user’s body is studied for quad band diversity antenna. The antenna has been successfully designed and studied in the free space.… read more here.

Keywords: quad band; diversity antenna; effect user; antenna ... See more keywords
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Double H-shaped complementary split ring resonator with different orientations for quad-band satellite applications

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Published in 2020 at "Results in physics"

DOI: 10.1016/j.rinp.2020.103427

Abstract: Abstract In this study, the structure of the metamaterial was developed on FR-4 substrate with a double H-shaped complementary split ring resonator (CSRR)-based structure for quad-band applications within the satellite band region. To retrieve the… read more here.

Keywords: split ring; double shaped; complementary split; band ... See more keywords
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Design and analysis of a compact quad band loaded monopole antenna with independent resonators

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Published in 2018 at "International Journal of Microwave and Wireless Technologies"

DOI: 10.1017/s1759078717001453

Abstract: A quad band antenna with good gain and omni-directional pattern is proposed in this paper. The antenna design is based on loading a conventional monopole antenna by three different resonators. The resonators are inspired from… read more here.

Keywords: methodology; band; size; antenna ... See more keywords
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Design and implementation of magnetically–tunable quad–band filter utilizing split–ring resonators at microwave frequencies

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Published in 2020 at "Scientific Reports"

DOI: 10.1038/s41598-020-57773-6

Abstract: In this article, we present a magnetically–tunable quad–band filter with high tunability in the frequency range of 2.1–3.9 GHz. A multi–band filter with four stop–bands comprises of a microstrip line coupled to four frequency–selective split–ring resonators… read more here.

Keywords: band filter; frequency; split ring; magnetically tunable ... See more keywords
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A 2.4/3.5/5.2/5.8-GHz quad-band BPF using SLRs and triangular loop resonators

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Published in 2018 at "Electronics Letters"

DOI: 10.1049/el.2017.4429

Abstract: A modified triangular loop resonator with an open-circuited stepped-impedance stub, which can generate two closely spaced passbands at 5.2 and 5.8 GHz, is analysed. For verification, the triangular loop resonators along with stub-loaded resonators (SLRs)… read more here.

Keywords: triangular loop; ghz quad; loop resonators; quad band ... See more keywords
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Design of a compact quad-band antenna with independent frequency tuning

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Published in 2018 at "Electronics Letters"

DOI: 10.1049/el.2018.1237

Abstract: A compact, planar, low profile microstrip line-fed quad-band antenna is presented with operating frequencies at 2.5/3.6/5.5/7.5 GHz. The antenna consists of a rectangular split-ring resonator (SRR), a stepped impedance resonator (SIR) inside the ring, a… read more here.

Keywords: compact quad; antenna independent; band; band antenna ... See more keywords
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Low profile single feed monopole antenna for quad-band circularly polarised applications

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Published in 2018 at "International Journal of Electronics"

DOI: 10.1080/00207217.2018.1525771

Abstract: ABSTRACT A single fed monopole antenna for circularly polarised quad-band applications is presented. The antenna radiator is comprised of half ring-shaped arcs integrated with the 50Ω microstrip feed line. In the proposed design, the circular… read more here.

Keywords: quad band; monopole antenna; circularly polarised; ghz ghz ... See more keywords
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Quad Band Waveguide Bandpass Filter Using Slot Ring and Complementary Split Ring Resonators

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Published in 2018 at "IETE Journal of Research"

DOI: 10.1080/03772063.2017.1341821

Abstract: Abstract In this paper, a combination of slot ring and complementary split ring resonators has been proposed to achieve quad band bandpass filter response in waveguide. The resonators have been formed on a Roger RO… read more here.

Keywords: bandpass; complementary split; slot ring; filter ... See more keywords
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Sub-6 GHz quad-band frequency tunable MIMO antenna for 5G applications

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Published in 2021 at "Journal of Electromagnetic Waves and Applications"

DOI: 10.1080/09205071.2021.1970031

Abstract: This paper describes a slot-based, reconfigurable multiple-input multiple-output (MIMO) quad-band antenna for sub-6 GHz 5G applications. The structure contains a simple arrangement of closely space... read more here.

Keywords: mimo; quad band; sub ghz; antenna ... See more keywords
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High Selectivity Single Wideband and Quad-Band HTS Filters Using Novel Quad-Mode Resonators With Self-Coupled Structure

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Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3097541

Abstract: This paper presents improved quad-mode resonators based on the open/short-end load of the center stub, which introduces the self-coupled structure. Compared with the traditional stub-loaded stepped impedance resonator (SLSIR), the proposed quad-mode resonators can significantly… read more here.

Keywords: coupled structure; quad mode; self coupled; mode resonators ... See more keywords
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Quad-Band Printed Antenna for Portable WLAN Applications

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Published in 2019 at "Journal of Microwaves, Optoelectronics and Electromagnetic Applications"

DOI: 10.1590/2179-10742019v18i21506

Abstract: This paper presents a novel printed monopole antenna for quad-band operation in four WLAN bands: ISM 2.4 GHz, 5.2 GHz, 5.6 GHz, and ISM 5.8 GHz. This antenna is compact, thin, lightweight, easy to manufacture, and… read more here.

Keywords: band printed; band; printed antenna; quad band ... See more keywords