Ground Plane Contribution in Wireless Handheld Devices Using Radar Cross Section Analysis

Anguera, Jaume; Andújar, Aurora

doi:10.2528/pierm12081704

Cited by 12 publications

(9 citation statements)

References 20 publications

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“…As pointed out by several authors [12][13][14][15][16][17], the characteristic modes and scattering properties of an object are closely related. One can use insight in characteristic modes to calculate [16] or modify the scattering properties of an object [12][13][14][15], and vice versa [17].…”

Section: Example: Modification Of Electromagnetic Scatteringmentioning

confidence: 93%

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Characteristic Mode Analysis: Putting Physics back into Simulation

Vögel

Gampala

Ludick

et al. 2015

IEEE Antennas Propag. Mag.

109

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Characteristic-mode analysis (CMA) enables a systematic approach to antenna design and antenna placement. The approach is based on insight in the fundamental resonance characteristics of antenna geometries and of the structures on which they are mounted. This insight aids in choosing the locations of excitations on an antenna and of the antennas on a platform. Furthermore, knowledge of the coupling between excitations and modes enables a design engineer to synthesize the desired antenna pattern by exciting a linear combination of modal patterns. This is a deterministic approach, which is based on insight in physics. It contrasts with an approach in which an optimization routine is used to explore a large many-dimensional design space with few constraints. This paper offers a refresher on the theory of characteristic modes and presents practical examples that all use CMA in the design process and in the interpretation of results.

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Section: Example: Modification Of Electromagnetic Scatteringmentioning

confidence: 93%

“…One can use insight in characteristic modes to calculate [16] or modify the scattering properties of an object [12][13][14][15], and vice versa [17]. Consider the aircraft of the previous example.…”

Section: Example: Modification Of Electromagnetic Scatteringmentioning

confidence: 99%

Characteristic Mode Analysis: Putting Physics back into Simulation

Vögel

Gampala

Ludick

et al. 2015

IEEE Antennas Propag. Mag.

109

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“…e length of the strip can be reduced by inductive loading and/or dielectric loading. Physical insight is given by electrical models [91] and using radar cross-section analysis [92].…”

Section: Intelligence In the Groundmentioning

confidence: 99%

Advances in Antenna Technology for Wireless Handheld Devices

Anguera

Andújar²,

Huynh

et al. 2013

International Journal of Antennas and Propagation

Self Cite

105

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e constant evolution of wireless handheld devices together with the apparition of multiple wireless communication systems fosters the antenna community to design new radiating and measurements systems capable of satisfying the market demands. It is an object of the present paper to provide an overview of the evolution that wireless handheld technology has experienced in the last years. In this sense, a description of the evolution of wireless handheld devices, regulations, challenges in today's smartphones, and handset characterization is reviewed. Finally, recent advances in antenna technology for wireless handheld or portable devices are presented.

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“…The designs proposed in [5] and [13] have been contemplated in designing the present structure. The ground plane of these kind of antennas are an active participant in the radiation process [14]. To achieve broadband matching, a wide gap is set between the rectangular radiator and the ground plane.…”

Section: Introductionmentioning

confidence: 99%

A Compact Rectangular Monopole Antenna Design with a Novel Feed for an Improved UWB Performance

Aanandan¹,

Gopikrishna²,

Krishna³

2018

RADIOENGINEERING

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Printed wideband antennas, if not optimised both in frequency & time domain, often fail to qualify for UWB applications. This is primarily observed in designs based on multiple resonances. The excitation of different modes causes variation in the position of the antenna phase centre and radiation patterns with frequency. In this paper, we propose a novel compact UWB antenna design with optimised resonances within the 3.1-10.6 GHz band. The design comprises of a rectangular CPW-fed monopole. The novelty in the design lies in the impedance transformer arrangement at the antenna feed which not only maintains constant impedance over the wide band but contributes towards maintaining uniformity in the radiation patterns over the frequency band. The proposed antenna is characterized, both in the frequency and time domain, confirming its suitability for UWB operation. The impedance bandwidth of the antenna is from 2.9-11.5 GHz with an omni-directional radiation pattern over the full band, unlike most of the planar UWB antennas reported in literature whose pattern deteriorates particularly at the upper end of the band. It also exhibits appreciable polarization purity and radiation efficiency. The time domain parameters, Full Width Half Maxima (FWHM) and Ringing, are computed from the measured antenna transfer function. The computed Fidelity of the transmitted pulses indicates superior pulse handling capabilities. The antenna is suitable for commercial hand held devices as its PCB area is just 30 × 12 mm 2 when fabricated on the FR4 substrate with permittivity 4.4 and height 1.6 mm.

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Ground Plane Contribution in Wireless Handheld Devices Using Radar Cross Section Analysis

Cited by 12 publications

References 20 publications

Characteristic Mode Analysis: Putting Physics back into Simulation

Characteristic Mode Analysis: Putting Physics back into Simulation

Advances in Antenna Technology for Wireless Handheld Devices

A Compact Rectangular Monopole Antenna Design with a Novel Feed for an Improved UWB Performance

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