Switchable textile microstrip antenna for on/off-body communications and shape distortion study

Author

Bai, Qiang ; Lee, Hyung-Joo ; Ford, Kenneth L. ; Langley, Richard J.

Author_Institution

Dept. of Electr. & Electron. Eng., Univ. of Sheffield, Sheffield, UK

fYear

2012

fDate

27-29 Aug. 2012

Firstpage

114

Lastpage

115

Abstract

This paper presents the performance of a switchable textile microstrip antenna on stripline working at 2.45GHz. It has on/off-body communication modes which are controlled by two PIN diodes. The results show antenna gain of 2dBi in the off-body mode, and approximately 2dB transmission loss within 100mm distance in the on-body mode. A bending test is also applied to a microstrip antenna in order to further understand the textile antenna performance under shape distortion conditions. Both input impedance and radiation patterns are investigated based on numerical and experimental methods.

Keywords

UHF antennas; antenna radiation patterns; antenna testing; bending; body area networks; distortion; microstrip antennas; p-i-n diodes; strip lines; textiles; wearable antennas; PIN diodes; antenna input impedance; antenna radiation patterns; bending test; body area networks; distance 100 mm; frequency 2.45 GHz; on-off-body communication mode; shape distortion study; switchable textile microstrip antenna; Antenna measurements; Antenna radiation patterns; Microstrip; Microstrip antennas; Switches; Textiles; off-body communication; on-body communication; switchable body-centric communication; textile microstrip patch antenna; textile stripline;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (APCAP), 2012 IEEE Asia-Pacific Conference on

Conference_Location

Singapore

Print_ISBN

978-1-4673-0666-9

Type

conf

DOI

10.1109/APCAP.2012.6333174

Filename

6333174