DocumentCode :
2780368
Title :
Inverted-F Antenna for 3D Integrated Wireless Sensor Applications
Author :
Cheng, Shi ; Öjefors, Erik ; Magrell, Joakim ; Hjort, Klas ; Ryderg, Anders
Author_Institution :
Dept. of Eng. Sci., Uppsala Univ.
fYear :
2007
fDate :
21-23 March 2007
Firstpage :
447
Lastpage :
450
Abstract :
This paper presents a low-profile inverted-F antenna for 3D integrated wireless sensor applications at the 2.4 GHz "industrial, scientific, medical" band (ISM). The proposed antenna with an equivalent model of the 3D integrated wireless sensor was simulated assuming in free-space conditions and fabricated on a piece of thick commercial FR-4 epoxy laminate combined with a stair configuration metal block. Both the impedance and radiation performance of the proposed antenna integrated in the wireless sensor cube were experimentally measured and then optimized. The measurements show that about 60 MHz -10 dB return loss bandwidth and -8.3 dBi gain are achieved at 2.4 GHz. Although the proposed antenna has low radiation efficiency due to the limited available space and the lossy epoxy based FR-4 substrate, it features a low-profile and cost effective solution for the particular applications.
Keywords :
UHF antennas; antenna radiation patterns; wireless sensor networks; -10 dB; 2.4 GHz; 3D integrated wireless sensor applications; FR-4 epoxy laminate; ISM; industrial scientific medical band; inverted-F antenna; radiation efficiency; Antenna accessories; Antenna measurements; Bandwidth; Batteries; Costs; Laboratories; Sensor systems; Sensor systems and applications; Transceivers; Wireless sensor networks;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Antenna Technology: Small and Smart Antennas Metamaterials and Applications, 2007. IWAT '07. International Workshop on
Conference_Location :
Cambridge
Print_ISBN :
1-4244-1088-6
Electronic_ISBN :
1-4244-1088-6
Type :
conf
DOI :
10.1109/IWAT.2007.370170
Filename :
4227486
Link To Document :
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