Educational innovation is a field that has been greatly enriched by using technology in its
processes, resulting in a learning model where information comes from numerous sources …

This paper describes a first prototype of an airborne ultrasonic array that combines pulse-
compression techniques with positioning algorithms in order to achieve accurate …

This work analyses the effect of the receiver movement on the detection by pulse
compression of different families of codes characterizing the emissions of an Ultrasonic …

In relative positioning systems, with the aim of estimating object positions, distances among
them are computed in a cooperative way, usually by measuring times-of-flight from the …

Sensor networks have experienced a fast development and extended their fields of
application since their appearance for military uses. The monitoring of physical parameters …

This paper presents a characterization of an underwater positioning system based on
surface nodes equipped with GPS and acoustic transducers. The positioning system …

Pin connections are one of the most important connecting forms and they have been widely
used in engineering fields. In its service, pin connections are subject to wear, and it will be …

Owing to their ideal correlation properties, complete complementary codes (CCC) have
found numerous applications in wireless engineering, in particular they have been …

The great variability usually found in underwater media makes modeling a challenging task,
but helpful for better understanding or predicting the performance of future deployed …

This paper proposes a distributed algorithm for establishing connectivity and location
estimation in cluster-based wireless sensor networks. The algorithm exploits the information …