Small-Size Meandered Loop Antenna for WLAN Dongle Devices

Small-Size Meandered Loop Antenna for WLAN Dongle Devices

This paper proposes a loop-type USB dongle antenna, which is fabricated on a 1.6 mm thick FR-4 substrate for WLAN band systems. The front side of substrate consists of a 50-ohm coaxial line and a multiarm monopole antenna, while the back side has a meandered loop antenna connected to the ground by t...

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Main Authors: Wen-Shan Chen, Chien-Min Cheng, Da-Huei Lee, Chun-Lin Ciou, Wei-Syun Sin, Guang-Yuan Cai
Format: Article
Language:English
Published: Hindawi Limited 2014-01-01
Series:International Journal of Antennas and Propagation
Online Access:http://dx.doi.org/10.1155/2014/897654
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spelling doaj-c7c53817f16a410db906fbae2c61b83a2020-11-24T22:19:30ZengHindawi LimitedInternational Journal of Antennas and Propagation1687-58691687-58772014-01-01201410.1155/2014/897654897654Small-Size Meandered Loop Antenna for WLAN Dongle DevicesWen-Shan Chen0Chien-Min Cheng1Da-Huei Lee2Chun-Lin Ciou3Wei-Syun Sin4Guang-Yuan Cai5Department of Electronic Engineering, Southern Taiwan University of Science and Technology, Tainan 710, TaiwanDepartment of Electronic Engineering, Southern Taiwan University of Science and Technology, Tainan 710, TaiwanDepartment of Electronic Engineering, Southern Taiwan University of Science and Technology, Tainan 710, TaiwanDepartment of Electronic Engineering, Southern Taiwan University of Science and Technology, Tainan 710, TaiwanDepartment of Electronic Engineering, Southern Taiwan University of Science and Technology, Tainan 710, TaiwanDepartment of Electronic Engineering, Southern Taiwan University of Science and Technology, Tainan 710, TaiwanThis paper proposes a loop-type USB dongle antenna, which is fabricated on a 1.6 mm thick FR-4 substrate for WLAN band systems. The front side of substrate consists of a 50-ohm coaxial line and a multiarm monopole antenna, while the back side has a meandered loop antenna connected to the ground by two via holes. The meandered loop resonates half-wavelength mode at about 2.4 GHz and its higher modes. The higher modes excited by the multiarm monopole form the 5.2 GHz frequency band. The bandwidth of the antenna covers the IEEE802.11 a/b/g WLAN applications. The overall dimensions of the antenna of 30 × 13.75 × 1.6 mm3 with an antenna area of 7.5 × 13.75 mm2 and a planar structure are exactly suitable for applying in dongle devices. The measured results of radiation patterns, antenna gain, and radiation efficiency are also proposed and discussed in the paper.http://dx.doi.org/10.1155/2014/897654
collection DOAJ
language English
format Article
sources DOAJ
author Wen-Shan Chen
Chien-Min Cheng
Da-Huei Lee
Chun-Lin Ciou
Wei-Syun Sin
Guang-Yuan Cai
spellingShingle Wen-Shan Chen
Chien-Min Cheng
Da-Huei Lee
Chun-Lin Ciou
Wei-Syun Sin
Guang-Yuan Cai
Small-Size Meandered Loop Antenna for WLAN Dongle Devices
International Journal of Antennas and Propagation
author_facet Wen-Shan Chen
Chien-Min Cheng
Da-Huei Lee
Chun-Lin Ciou
Wei-Syun Sin
Guang-Yuan Cai
author_sort Wen-Shan Chen
title Small-Size Meandered Loop Antenna for WLAN Dongle Devices
title_short Small-Size Meandered Loop Antenna for WLAN Dongle Devices
title_full Small-Size Meandered Loop Antenna for WLAN Dongle Devices
title_fullStr Small-Size Meandered Loop Antenna for WLAN Dongle Devices
title_full_unstemmed Small-Size Meandered Loop Antenna for WLAN Dongle Devices
title_sort small-size meandered loop antenna for wlan dongle devices
publisher Hindawi Limited
series International Journal of Antennas and Propagation
issn 1687-5869
1687-5877
publishDate 2014-01-01
description This paper proposes a loop-type USB dongle antenna, which is fabricated on a 1.6 mm thick FR-4 substrate for WLAN band systems. The front side of substrate consists of a 50-ohm coaxial line and a multiarm monopole antenna, while the back side has a meandered loop antenna connected to the ground by two via holes. The meandered loop resonates half-wavelength mode at about 2.4 GHz and its higher modes. The higher modes excited by the multiarm monopole form the 5.2 GHz frequency band. The bandwidth of the antenna covers the IEEE802.11 a/b/g WLAN applications. The overall dimensions of the antenna of 30 × 13.75 × 1.6 mm3 with an antenna area of 7.5 × 13.75 mm2 and a planar structure are exactly suitable for applying in dongle devices. The measured results of radiation patterns, antenna gain, and radiation efficiency are also proposed and discussed in the paper.
url http://dx.doi.org/10.1155/2014/897654
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