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Through-the-wall indoor tracking and navigation using deep-sub-wavelength magnetoquasistatics

Recent progress in magnetoquasistatic field-based techniques have enabled decoupled and linear solutions for position and orientation sensing in non-line-of-sight environments at short to long ranges above ground. By utilizing the deep-sub-wavelength regime of the MQS source, we describe a method to enable position sensing in the indoor environment. The technique enables accurate positioning of a mobile device within a few skin-depths into a heavy multi-path building environment.