Abstract
Near Field Magnetic Induction (NFMI) based communication is an emerging technology that promises several advantages over the traditional radio frequency (RF) communication including low energy use, ability to work reliably in a variety of difficult propagation media (e.g., water, non-ferromagnetic metals, underground, tissue media of fresh produce & meats, etc.), and low leakage possibility because of fast decay. Furthermore, since the MI technology is useful for efficient power transfer as well, it provides the possibility of passive tagging as well. In this paper, we provide a technical overview of NFMI technology and its potential for several applications in RF challenged environments. We also lay out a number of challenges with NFMI technology and its use in various applications.
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