Body-Worn E-Textile Antennas: The Good, the Low-Mass, and the Conformal

被引:124
作者
Kennedy, Timothy F. [1 ]
Fink, Patrick W. [1 ]
Chu, Andrew W. [1 ]
Champagne, Nathan J., II [1 ]
Lin, Gregory Y. [1 ]
Khayat, Michael A. [1 ]
机构
[1] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA
关键词
Antenna arrays; beamforming; conformal antennas; diversity methods; e-textile antennas;
D O I
10.1109/TAP.2009.2014602
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
Support of ever increasing applications for wireless data and communications on a body-centric platform requires novel antenna systems that can be integrated with the body-worn environment, while maintaining free-range of movement and minimal mass impact. E-textile antennas show great promise due to their ease of integration with other textile materials, and they are inherently low-mass and flexible relative to conventional antenna materials. Much attention has been given recently to multiple-antenna communication systems due to the increased performance compared to conventional single-antenna systems. For body-centric applications, the low-mass, flexibility, and integration simplicity of e-textile antennas can enable multiple-antenna systems, which otherwise would be precluded by the rigidity and mass of conventional antenna materials. Several examples of this are considered here with e-textile antennas in an array environment. A conventional microstrip array constructed with e-textiles is shown to have robust performance with moderate amounts of bending, similar to that which might be seen with body-worn arrays. In addition to the conventional array, a wide-band multiple-antenna system to support a variety of wireless communication protocols, while maintaining polarization diversity and excellent coverage over a majority of the radian sphere is demonstrated.
引用
收藏
页码:910 / 918
页数:9
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