Design of a Miniaturized Patch Antenna for WLAN

doi:10.13190/j.jbupt.2021-043

Journal of Beijing University of Posts and Telecommunications ›› 2021, Vol. 44 ›› Issue (6): 129-133.doi: 10.13190/j.jbupt.2021-043

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Design of a Miniaturized Patch Antenna for WLAN

YANG Hui-chun, WANG Li-xia, TANG Sheng-chun, WEI Ying

School of Automation, Beijing Information Science and Technology University, Beijing 100101, China

Received:2021-03-19 Online:2021-12-28 Published:2021-12-28

Abstract

Abstract: To develop wireless local area network (WLAN)antennas for micro-small wireless devices, a 5 mm×5 mm micro patch antenna is designed on a 20 mm×20 mm FR4 dielectric substrate. In addition to the U-shaped radiation structure on the front of the patch antenna, two in-line loading units with one end grounded and the other open are added, while the reverse structure of the patch antenna is a mirror image of the front loading unit. Besides, the front micro-strip feeding method is adopted. The experimental results show that the antenna has good radiation characteristics in the 2.4~2.483 5 GHz frequency band, and its voltage standing wave ratio satisfies the requirements of miniaturized antenna engineering applications. Besides, the antenna has the advantages of simple and compact structure, low cost and easy integration with active circuits.

Key words: miniaturized, patch antenna, loading unit, voltage standing wave ratio

CLC Number:

TN823.15

YANG Hui-chun, WANG Li-xia, TANG Sheng-chun, WEI Ying. Design of a Miniaturized Patch Antenna for WLAN[J]. Journal of Beijing University of Posts and Telecommunications, 2021, 44(6): 129-133.

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Design of a Miniaturized Patch Antenna for WLAN

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