Ultrasonic ranging has been widely used in automobiles, unmanned aerial vehicles (UAVs),
robots and other fields. With the appearance of micromachined ultrasonic transducers …

The current trend in the evolution of sensor systems seeks ways to provide more accuracy
and resolution, while at the same time decreasing the size and power consumption. The use …

An accurate dynamic ultrasonic hybrid localization system is presented for autonomous
navigation of indoor mobile robots using multiple ultrasonic distance measurements and an …

Positioning systems have become increasingly popular in the last decade for location-based
services, such as navigation, and asset tracking and management. As opposed to outdoor …

Array beamforming techniques allow for the generation of 3-D spatial filters which can be
used to localize objects in a large field of view (FOV) without the need for mechanical …

Indoor localization and tracking of persons and assets with centimeter-level accuracy for
inventory, security, medical monitoring, and training, as well as gesture interfaces for …

This paper introduces a computationally intensive method for measuring distance at high
measurement rates using chaotic pulse-position (CPPM) signals and single-bit signal …

In the quest for higher acquisition rates of ultrasound images, the simultaneous emission of
encoded waves has the potential to overcome the trade-off between acquisition time and …

In the last years, indoor positioning systems have become an ubiquitous part of smart
spaces. The use of coded ultrasonic indoor positioning systems leads to accurate position …

Golay sequences and complementary sets of sequences have been long studied for their
application in multisensor and communication systems. The feasibility of these systems …