Dual-band CPW-FED Double H-shaped Slot Antenna for RFID Application

Zhang, L.; Jiao, Yong‐Chang; Zhao, Y.; Zhao, Gang; Song, Yue; Wong, Zi-Bin; Zhang, F.-S.

doi:10.1163/156939308784158931

Cited by 7 publications

(2 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Recent years have seen the introduction of a variety of types of CPW-fed antennas for dual-band [19,20] and ultrawideband [21][22][23][24][25][26][27] applications.…”

Section: Ultrawideband Slot Antenna With U-shaped Tuning Stubmentioning

confidence: 99%

Gaussian Process Modeling of CPW-Fed Slot Antennas

Villiers¹,

Jacobs²

2009

PIER

View full text Add to dashboard Cite

Abstract-Gaussian process (GP) regression is proposed as a structured supervised learning alternative to neural networks for the modeling of CPW-fed slot antenna input characteristics. A Gaussian process is a stochastic process and entails the generalization of the Gaussian probability distribution to functions. Standard GP regression is applied to modeling S 11 against frequency of a CPW-fed secondresonant slot dipole, while an approximate method for large datasets is applied to an ultrawideband (UWB) slot with U-shaped tuning stub -A challenging problem given the highly non-linear underlying function that maps tunable geometry variables and frequency to S 11 / input impedance. Predictions using large test data sets yielded results of an accuracy comparable to the target moment-method-based full-wave simulations, with normalized root mean squared errors of 0.50% for the slot dipole, and below 1.8% for the UWB antenna. The GP methodology has various inherent benefits, including the need to learn only a handful of (hyper) parameters, and training errors that are effectively zero for noise-free observations. GP regression would be eminently suitable for integration in antenna design algorithms as a fast substitute for computationally intensive full-wave analysis.

show abstract

“…Recent years have seen the introduction of a variety of types of CPW-fed antennas for dual-band [19,20] and ultrawideband [21][22][23][24][25][26][27] applications.…”

Section: Ultrawideband Slot Antenna With U-shaped Tuning Stubmentioning

confidence: 99%

Gaussian Process Modeling of CPW-Fed Slot Antennas

Villiers¹,

Jacobs²

2009

PIER

View full text Add to dashboard Cite

show abstract

“…The results showed that the coplanar antenna obtains a higher efficiency and increased bandwidth. Furthermore, some coplanar antennas introduced by [ 17 ], [ 18 ] can be used for RFID applications. However, uncertainties in the use of the antennas exist because the studies did not perform RFID specification measurements; rather, they used 50 Ω conventional measurements.…”

Section: Introductionmentioning

confidence: 99%

Coplanar UHF RFID tag antenna with U-shaped inductively coupled feed for metallic applications

et al. 2017

View full text Add to dashboard Cite

In this paper, we present a novel compact, coplanar, tag antenna design for metallic objects. Electrically small antenna has designed for a UHF RFID (860–960 MHz) based on a proximity-coupled feed through. Furthermore, two symmetrical Via-loaded coplanar grounds fed by a U-shaped inductively coupled feed through an embedded transmission line. This configuration results in an antenna with dimensions of 31 × 19.5 × 3.065 mm3 at 915 MHz, and the total gain for the antenna is 0.12 dBi. The Via-loaded coplanar and U-shaped inductively coupled feeds allow the antenna to provide flexible tuning in terms of antenna impedance. In addition, a figure of merit is applied for the proposed tag antenna, and the results are presented. The read range is measured to be 4.2 m, which is very close to simulated values. This antenna measurement shows very good agreement with simulations.

show abstract