In a fast-evolving world increasingly relying on smart environments that allow object-to-object and object-to-human communications, the deployment of wireless technologies is becoming of primary relevance. Novel wireless technologies, wearable devices, and in-body medical implants are transforming healthcare, communication, and personal monitoring. These advancements enable real-time health tracking and an enhanced connectivity. Their spread has led to a saturation of the electromagnetic spectrum, posing challenges for the scientific community, which must address the need for both efficient and safe designs. This poses new research questions and challenges to the scientific community that must ensure effective designs, yet safe for human body. Guaranteeing reliable wireless communication while minimizing potential overexposure of the human body is one of the key concerns. To this regard, numerical simulations and experimental methods are crucial tools in the development of these technologies, allowing for the analysis of electromagnetic fields, device integration, and energy efficiency.

This Research Topic aims to explore the latest trends in wireless systems, focusing on the design and testing of wearable and in-body devices through computational models and experimental validations to achieve reliable and safe technological solutions. With the emergence of diverse exposure scenarios, there is a growing need to use advanced computational models and novel experimental approaches to evaluate the performance of new wireless devices and their interaction within a complex environment, such as that offered by the human body. Innovative numerical and experimental strategies enable researchers to address the rising challenges deriving from the optimization of novel wireless technologies in a most effective manner. This underscores the significance of advancing numerical modeling methodologies to boost the integration of wearable and implantable technologies into smart environments.

The scope of this collection is to present novel computational and experimental approaches employed to assess and develop emerging wireless technologies, including wearable and implantable devices for applications spanning from health monitoring to communications and mobility. Particular attention is drawn on how these approaches support the design of such systems and to better understand their behavior when in presence of the human body to ensure an efficient and safe functioning. The collection welcomes all the studies presenting novel technologies and devices whose design have been supported by innovative numerical modelling and experimental procedures.

Themes of interest include, but are not limited to:

1) Modelling, design and characterization of wireless devices, including wearable, implantable or ingestible antennas for remote health control;

2) Modelling, design and characterization of on-body wearable and implantable wireless power transfer (WPT) systems;

3) Innovative approaches for computational dosimetry of emerging communication technologies

4) Innovative approaches for computational and experimental dosimetry of emerging communication technologies

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Emerging Wireless Technologies, Wearable and In-Body Devices: Numerical and Experimental Approaches for Exposure Assessment and Efficient & Safe Design