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5G Internet - Astrophysics Data System

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Last Updated: 16 January 2022

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Piezoelectric MEMS-evolution from sensing technology to diversified applications in the 5G/Internet of Things (IoT) era

The increasing popularity of the fifth-generation mobile networks and Internet of Things is inseparable from a large number of miniature, low-cost, and low-power sensors and actuators. This is followed by a review of the latest advances in piezoelectric MEMS actuators for various application scenarios. Meanwhile, piezoelectric MEMS energy harvesters with the ability to control other MEMS components are orderly orderedly ordered. Lamb wave resonators are also on display, as a representative of piezoelectric resonators. Lastly, the development trends of wearable and implantable piezoelectric MEMS devices are addressed.

Source link: https://ui.adsabs.harvard.edu/abs/2022JMiMi..32a4005L/abstract


Aerial Intelligent Reflecting Surface Enabled Terahertz Covert Communications in Beyond-5G Internet of Things

On the other hand, terahertz-equipped intelligent reflecting surface is expected to be one of the key enabling technologies for emerging beyond-5G wireless communications that promise a wide variety of data-demand applications. We introduce a UAV-mounted IRS communications platform over THz bands for private data exchange from an access point to multiple ground user devices in IoT networks in this paper. To degrade unscheduled UEs detection, we need to create an effective multi-UAV clandestine communication scheme, where the UIRS is for safe data exchanges and the privacy of the planned UE, and an extra UAV is used as a cooperative jammer producing artificial noise to degrade unscheduled UEs. The ability to increase the covert throughput and minimize UAVs' propulsion energy consumption subject to the covertness standard is determined analytically.

Source link: https://ui.adsabs.harvard.edu/abs/2021arXiv211111650T/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions