Body Area Networks gain traction

You’ve probably heard of people being equipped with sensors, like athletes who want to study their body movements or the elderly who receive remote care. But figuring out how the electromagnetic waves propagate isn’t easy, since the human body itself is an obstacle that can interfere with waves’ behavior. This is a major challenge in the field of Body Area Networks—and won Ramona Rosini, a PhD student at the University of Bologna performing research at Leti—the Best Student Paper award for her dissertation on this subject.
Rosini showed that different propagation models should be used depending on whether the field emitted by the antenna runs perpendicular or tangential to the body. The waves propagate either around the body or by reflecting off of nearby objects. Rosini’s work shows that new models substantially different from those used for waves in unobstructed areas need to be developed.

Contact: christophe.delaveaud@cea.fr

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