Wireless Systems and Printed Antennas

Waterhouse, R.B.; Novak, D.

doi:10.1002/9780470512241.ch1

Cited by 10 publications

(11 citation statements)

References 19 publications

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“…The performance of a physical antenna depends on its fabrication method. Many methods of printing have been used to make RF systems and antennas 2 , 51 , including screen-printing 32 , 52 , gravure-printing 53 , spray-coating 29 and inkjet-printing 3 , 8 , 54 . Using our first antenna design, Type I (see Supplementary Figure A.1a ), we characterized the impact of printing technique on antenna performance by printing the same antenna with four different techniques: inkjet printing, stencil printing, spray coating, and screen printing.…”

Section: Resultsmentioning

confidence: 99%

Printed, flexible, compact UHF-RFID sensor tags enabled by hybrid electronics

Baumbauer

Anderson

Ting

et al. 2020

Sci Rep

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Sensor data can be wirelessly transmitted from simple, battery-less tags using Radio Frequency Identification (RFID). RFID sensor tags consist of an antenna, a radio frequency integrated circuit chip (RFIC), and at least one sensor. An ideal tag can communicate over a long distance and be seamlessly integrated onto everyday objects. However, miniaturized antenna designs often have lower performance. Here we demonstrate compact, flexible sensor tags with read range comparable to that of conventional rigid tags. We compare fabrication techniques for flexible antennas and demonstrate that screen and stencil printing are both suitable for fabricating antennas; these different techniques are most useful at different points in the design cycle. We characterize two versions of flexible, screen printed folded dipoles and a meandered monopole operating in the 915 MHz band. Finally, we use these antennas to create passive sensor tags and demonstrate over the air communication of sensor data. These tags could be used to form a network of printed, flexible, passive, interactive sensor tags.

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Section: Resultsmentioning

confidence: 99%

Printed, flexible, compact UHF-RFID sensor tags enabled by hybrid electronics

Baumbauer

Anderson

Ting

et al. 2020

Sci Rep

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“…With the rapid development of wireless communication systems, the demand for high efficiency, wideband, and compact antennas has increased significantly [1,2]. Various types of antennas, such as microstrip patch antennas [3,4] and dielectric resonator antennas (DRAs) [5,6], have been investigated and developed for wireless communications.…”

Section: Introductionmentioning

confidence: 99%

A Wideband Circularly Polarized Antenna with a Multiple-Circular-Sector Dielectric Resonator

Trinh-Van

Yang

Lee

et al. 2016

Sensors

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This paper presents the design of a wideband circularly polarized antenna using a multiple-circular-sector dielectric resonator (DR). The DR is composed of twelve circular-sector DRs with identical central angles of 30∘ but with different radii. A genetic algorithm is utilized to optimize the radii of the twelve circular-sector DRs to realize wideband circular polarization. The proposed antenna is excited using an aperture-coupled feeding technique through a narrow rectangular slot etched onto the ground plane. An antenna prototype is experimentally verified. The measured −10 dB reflection and 3 dB axial ratio (AR) bandwidths are 31.39% (1.88–2.58 GHz) and 19.30% (2.06–2.50 GHz), respectively, covering the operating bands of the following systems: UMTS-2100 (2.145 GHz), WiMAX (2.3 GHz), and Wi-Fi (2.445 GHz). A measured peak gain of 7.65 dBic at 2.225 GHz and gain variation of less than 2.70 dBic within the measured 3 dB AR bandwidth are achieved. In addition, the radiation patterns of the proposed antenna are presented and discussed.

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“…To integrate these antennas in MMIC for wireless communication applications the size of these microstrip antennas should be as small as possible without compromising on their performance. Therefore, several kinds of miniaturization techniques, such as use of high dielectric substrates [1], applying resistive or reactive loading [2], increasing the electrical length of the antenna by optimizing its shape [3], use of notches and short circuits on the patch antenna [4], and use of magnetic substrates have been proposed and applied to microstrip patch antennas [5]. Techniques to achieve dual-band operation of microstrip antennas are also available in [6–9].…”

Section: Introductionmentioning

confidence: 99%

Complementary Sierpinski gasket fractal antenna for dual-band WiMAX/WLAN (3.5/5.8 GHz) applications

Malik

Kalaria

Kartikeyan

2013

Int. J. Microw. Wireless Technol.

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A proximity-fed complementary Sierpinski gasket fractal with equilateral triangular shape resonator in multilayer structure to achieve dual-band behavior for WiMAX and WLAN applications has been proposed. An electromagnetic coupled stacked structure of two different patches operating at two frequencies (3.5 GHz WiMAX and 5.8 GHz wireless LAN) has been designed for dual-band wireless applications. Proposed antenna was simulated using CST Microwave Studio based on the finite integration technique (FIT) with perfect boundary approximation (PBA). Finally, the proposed antenna was fabricated and some performance parameters were measured to validate against simulation results. The design procedures and employed tuning techniques to achieve the desired performance are presented.

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Wireless Systems and Printed Antennas

Cited by 10 publications

References 19 publications

Printed, flexible, compact UHF-RFID sensor tags enabled by hybrid electronics

Printed, flexible, compact UHF-RFID sensor tags enabled by hybrid electronics

A Wideband Circularly Polarized Antenna with a Multiple-Circular-Sector Dielectric Resonator

Complementary Sierpinski gasket fractal antenna for dual-band WiMAX/WLAN (3.5/5.8 GHz) applications

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