3D-printed spherical dipole antenna integrated on small RF node

3D-printed spherical dipole antenna integrated on small RF node

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New three-dimensional (3D) printing techniques enable the integration of an antenna directly onto the package of a small wireless sensor node. This volume-filling approach ensures near-optimal bandwidth performance of the small antenna, increasing a system's battery life, data rate or range. Simulated results show that the fabricated spherical antenna's bandwidth-efficiency product is more than half of the fundamental limit and radiation pattern measurements exhibit a dipole pattern with −0.7 dBi gain.


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      • 4. Friedrich, A., Geck, B., Klemp, O., Kellermann, H.: ‘On the design of a 3D LTE antenna for automotive applications based on MID technology’. Proc. 2013 European Microwave Conf. (EuMC), Nuremberg, Germany, October 2013, pp. 640643.
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