Road User Exposure from ITS-5.9 GHz Vehicular Connectivity

Article Computer Science, Information Systems

Survey of Exposure to RF Electromagnetic Fields in the Connected Car

Gabriella Tognola et al.

Summary: This paper is the first comprehensive survey on electromagnetic field (EMF) exposure generated by various connectivity technologies in cars. By describing each technology and comparing past research results, it is found that EMF exposure in cars using these technologies has never exceeded safe limits.

IEEE ACCESS (2022)

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Article Engineering, Electrical & Electronic

Active Huygens' Box: Arbitrary Electromagnetic Wave Generation With an Electronically Controlled Metasurface

Alex M. H. Wong et al.

Summary: This work explores the generation of arbitrary electromagnetic waveforms within a geometrical area enclosed by an active metasurface, introducing the concept of a Huygens' box. By controlling electronic excitations, the study demonstrates the generation of various types of waves inside metallic cavities using a reconfigurable metasurface. The research showcases the potential for subwavelength superoscillation focal spots without involving evanescent EM waves or excessive waveform energy.

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (2021)

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Article Engineering, Electrical & Electronic

Numerical Assessment of RF Human Exposure in Smart Mobility Communications

Gabriella Tognola et al.

Summary: Cars are evolving into smart connected objects capable of communication with infrastructure and other cars. The study found that in a 5.9 GHz smart mobility communication scenario, the Specific Absorption Rate had minimal impact on body regions and tissues of an adult male.

IEEE JOURNAL OF ELECTROMAGNETICS RF AND MICROWAVES IN MEDICINE AND BIOLOGY (2021)

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Article Computer Science, Information Systems

Challenges and Solutions for Cellular Based V2X Communications

Sohan Gyawali et al.

Summary: This article surveys the existing work and challenges on LTE and 5G to support efficient V2X communications, covering motivations for cellular based V2X communications, LTE V2X architecture and scenarios, challenges in LTE for V2X communications and solutions, challenges and solutions for 5G vehicular communications, as well as open research issues and possible research directions in cellular based vehicular communications.

IEEE COMMUNICATIONS SURVEYS AND TUTORIALS (2021)

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Article Environmental Sciences