Pattern Switching Compact Patch Antenna for On-body and Off-body Communications at 2.45 GHz

被引：0
|
作者：
Chandran, Anupam R. [1 ]
Conway, Gareth A. [1 ]
Scanlon, William G. [1 ]
机构：
[1] Queens Univ Belfast, Belfast BT3 9DT, Antrim, North Ireland
来源：
2009 3RD EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION, VOLS 1-6 | 2009年
关键词：
ELEMENTS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The ability to switch between propagating modes is important for body-centric applications such as medical body area networks where a single node may need to be able to optimise communications for either on-body sensor links or off-body links to the wider network. Therefore, we present a compact 2.45 GHz active mode-switching wearable antenna for both on-body and off-body wireless communications. The single-layer patch antenna was pattern-switched using shorting pins and had an impedance bandwidth of 253 MHz and 217 MHz for the on-body and off-body radiating modes, respectively. An efficiency of 57 % and 56.8 % was obtained for on-body and off-body mode respectively when placed in close proximity to a phantom that represents a muscle issue at 2.45 GHz.
引用
收藏
页码：1976 / 1978
页数：3
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