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Conformal Circularly-Polarized Shoe-Integrated Antenna based on Leather Substrate and Conductive Fabric for Bluetooth Low Energy Body-Centric Links

机译:基于皮革基板和导电织物的蓝牙低能耗人体心形保形圆极化鞋集成天线

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In this work a compact 2.4 GHz wearable antenna for BLE applications, specifically designed to be fully integrated in a leather-made shoe, is designed and simulated. A slotted microstrip layout has been chosen and optimized under both electromagnetic and manufacturing point of view to be fully integrated with the shoe and to guarantee a robust wireless link with the smartphone receiver, typically placed on the upper part of the body. For these reasons the same leather has been selected as antenna substrate material, and conductive fabric to design the radiating parts and the substrate. Both antenna directivity and circular polarization have been optimized to guarantee a robust communication while saving power. The antenna shows a very satisfying performance, with a -10 dB input matching frequency bandwidth equal to 10%, and an Axial-Ratio 3 dB bandwidth of 3%.
机译:在这项工作中,设计并模拟了一种用于BLE应用的紧凑型2.4 GHz可穿戴天线,该天线专门设计为完全集成在皮革制鞋中。在电磁和制造角度下,均已选择并优化了带槽微带布局,以便与鞋子完全集成在一起,并确保与通常放置在机身上部的智能手机接收器建立稳固的无线链接。由于这些原因,已经选择了相同的皮革作为天线基底材料,并选择了导电织物来设计辐射部件和基底。天线方向性和圆极化都经过了优化,以确保强大的通信能力,同时节省功率。该天线表现出非常令人满意的性能,-10 dB输入匹配频率带宽等于10%,轴向比率3 dB带宽为3%。

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