Ultra Wideband ring monopole miniaturization using dielectric loading sandwich

Pires, Nuno; Moreira, António

doi:10.1109/iwat.2009.4906910

Cited by 3 publications

(3 citation statements)

References 6 publications

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“…For this last case, the main objectives are to test the limits of this technique, as discussed in [5][6], to improve the matching in lower frequency bands and to access if this type of loading makes the structures more matching-wise resilient in typical deployment scenarios.…”

Section: Conclusion and Further Workmentioning

confidence: 99%

“…Monopole antenna designs have been described for UWB operation and some miniaturization techniques have been proposed to achieve compatible sizes with practical applications [1][2][3][4][5][6]. Two solutions are possible for portable devices: either assembling the antennas and supporting circuitry in the laptop or by means of an external device [7].…”

Section: Introductionmentioning

confidence: 99%

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Design of an Ultra Wideband Universal Serial Bus device mounted antenna

Pires

Letizia

Maisenbacher

2010

2010 International Workshop on Antenna Technology (iWAT)

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The present paper reports on the simulation, construction and measurement of a planar Ultra Wideband (UWB) monopole antenna designed to operate inside a Universal Serial Bus (USB) dongle, aiming at usage in industrial applications. Inexpensive FR4 substrate with r = 4.4 and 0.8 mm thickness was used and the antenna shape and dimensions fit in a common case. The built antenna prototype was tested inside a USB device case in free space and in a realistic antenna deployment scenario, with the dongle connected to a laptop computer. It was found that the designed antenna exhibits acceptable |S11| matching in the frequency range [2.5; 12] GHz, allowing its usage in UWB and other wireless services such as Bluetooth, LTE and IEEE 802.11.

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Section: Conclusion and Further Workmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design of an Ultra Wideband Universal Serial Bus device mounted antenna

Pires

Letizia

Maisenbacher

2010

2010 International Workshop on Antenna Technology (iWAT)

Self Cite

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“…The dual‐band antenna miniaturization is also meaningful for circuit integration in wireless systems. Various methods have been studied to reduce the physical size of antennas: these include the double rectangular meander line structure [5], metamaterial shells surrounding the monopole [6], and loading dielectric on the ring antenna [7]. However, these miniaturization methods lead to a potential increase in loss due to the physical length of the antenna structure or the loaded dielectric on the radiation ring.…”

Section: Introductionmentioning

confidence: 99%

Loop‐loaded monopole antenna with miniaturization and dual‐band characteristics

Yin

Zhang

et al. 2012

Micro & Optical Tech Letters

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A novel miniaturized dual‐band monopole antenna loaded with two types of loops is presented. The split loop is loaded at the center of the monopole for dual‐band operation and the rectangular loop loaded at the top is for miniaturization. The novel miniaturization technique is used as a self resonant topology. The monopole below its resonant frequency is known to possess a capacitive reactance and the loop below its resonant frequency has an inductive reactance. So an inductive loop is used to match a below‐resonant monopole for miniaturization. As an example of this principle, a miniaturized dual‐band antenna prototype for WLAN applications is designed, fabricated, and tested. Measured results show that the antenna offers higher gains and better efficiencies than the unloaded monopole. The radiation patterns are seen to be unaffected by the presence of the top loaded loop. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1236–1239, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26784

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Small Internal 2.4-GHz/UWB Antenna for Wireless Dongle Applications

Jiao

Zheng

et al. 2010

Antennas Wirel. Propag. Lett.

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Ultra Wideband ring monopole miniaturization using dielectric loading sandwich

Cited by 3 publications

References 6 publications

Design of an Ultra Wideband Universal Serial Bus device mounted antenna

Design of an Ultra Wideband Universal Serial Bus device mounted antenna

Loop‐loaded monopole antenna with miniaturization and dual‐band characteristics

Small Internal 2.4-GHz/UWB Antenna for Wireless Dongle Applications

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