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Electro-Quasistatic Human-Structure Coupling for Human Presence Detection and Secure Data Offloading.

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    Human Body Communication (HBC) enables secure, energy-efficient data transfer. Analyzing Structure-Human-Structure Interaction (SHSI) in the Electro-Quasistatic (EQS) regime boosts signal strength significantly for non-contact sensing and secure data offloading.

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    Area of Science:

    • Electrical Engineering
    • Biomedical Engineering
    • Wireless Communication

    Background:

    • Human Body Communication (HBC) offers energy-efficient and secure data exchange.
    • Exploration of communication between the human body and surrounding objects is increasing.
    • Need for non-contact sensing and secure data offloading is critical.

    Purpose of the Study:

    • Propose Inter-Structure communication guided by the human body.
    • Analyze Structure-Human-Structure Interaction (SHSI) in the Electro-Quasistatic (EQS) regime.
    • Investigate non-contact sensing and secure data offloading.

    Main Methods:

    • Utilized Finite Element Method (FEM) for simulations.
    • Studied positional variations of structures relative to the body and ground.
    • Validated simulation trends through experimental analysis.

    Main Results:

    • Human presence between structures boosts received voltage by ~8 dB.
    • A grounded receiver further increases signal level by ~18 dB.
    • Demonstrated low loss and enhanced physical security in EQS signal transmission.

    Conclusions:

    • SHSI analysis in the EQS regime enhances HBC capabilities.
    • Non-contact sensing and secure data offloading are feasible with this approach.
    • The proposed method provides a foundation for advanced human-centric communication systems.