Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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By H. K. Raad

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In this paper, a flexible compact antenna array operating in the 3.2-13 GHz which covers the standard Ultra-Wide Band (UWB) frequency range is presented. The design is aimed at integration within Multiple Input Multiple Output (MIMO) based flexible electronics for Internet of Things (IoT) applications. The proposed antenna is printed on a single side of a 50.8 μm Kapton Polyimide substrate and consists of two half-elliptical shaped radiating elements fed by two Coplanar Waveguide (CPW) structures. The simulated and measured results show that the proposed antenna array achieves a broad impedance bandwidth with reasonable isolation performance (S12 < -23 dB) across the operating bandwidth. Furthermore, the proposed antenna exhibits a low susceptibility to performance degradation caused by the effect of bending. The system's isolation performance along with its flexible and thin profile suggests that the proposed antenna is suitable for integration within flexible Internet of Things (IoT) wireless systems.

H. K. Raad, "An UWB Antenna Array for Flexible IoT Wireless Systems," Progress In Electromagnetics Research, Vol. 162, 109-121, 2018.

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