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Textile SIW antennas as hybrid energy harvesting and power management platforms

机译：纺织SIW天线作为混合能量收集和电源管理平台

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摘要

A compact, highly-integrated and unobtrusive wearable textile antenna system, able to establish a reliable and energy-efficient wireless body-centric communication link in the [2.4???2.4835]-GHz Industrial, Scientific and Medical band and enabling energy harvesting from three different energy sources, is presented. Our design approach relies on further extending the functionality of a carefully selected textile antenna by exploiting its surface as an energy scavenging and power management platform. More specific, two different ultra-flexible solar cells, a micro-energy cell and a flexible power management system are integrated onto a wearable substrate integrated waveguide cavity-backed textile slot antenna to enable energy harvesting from both solar and artificial light. Furthermore, thermal body energy harvesting, via an externally connected thermoelectric generator, is enabled by including an ultra-low voltage step-up converter. Measurements in four well-chosen indoor scenarios demonstrate that a hybrid energy-harvesting approach is necessary to obtain a more continuous flow and a higher amount of scavenged energy, leading to a higher system autonomy and/or reduced battery size.
机译：紧凑的，高度集成的且无干扰的可穿戴式纺织天线系统，能够在[2.4 ??? 2.4835] -GHz工业，科学和医学频段中建立可靠且节能的以人体为中心的无线通信链路，并能够从中收集能量介绍了三种不同的能源。我们的设计方法依靠进一步扩展精心选择的纺织天线的功能，将其表面用作能量清除和电源管理平台。更具体地，将两个不同的超柔性太阳能电池，微能量电池和柔性电源管理系统集成到可穿戴基板集成波导腔支持的纺织品缝隙天线上，从而能够从太阳能和人造光中收集能量。此外，通过包括一个超低压升压转换器，可以通过一个外部连接的热电发生器来采集热能。在四个精心选择的室内场景中进行的测量表明，必须使用混合能量收集方法才能获得更连续的流量和更大的清除能量，从而导致更高的系统自治性和/或减小的电池尺寸。

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