We present the design, implementation, and evaluation of BeepBeep, a high-accuracy
acoustic-based ranging system. It operates in a spontaneous, ad-hoc, and device-to-device …

This paper describes the development and deployment of a wireless sensor network for
monitoring human motion and position in an indoor environment. Mobile sensor nodes …

Localization is a fundamental and essential issue for wireless sensor networks (WSNs).
Existing localization algorithms can be categorized as either range-based or range-free …

Many existing indoor localization systems have achieved applaudable performance through
comprehensive modeling of its envisioned working scenario. However their real life …

In this paper, we re-examine the RSSI measurement model for location estimation and
provide the first detailed formulation of the probability distribution of the position of a sensor …

We present the design and implementation of BeepBeep, a high-accuracy acoustic-based
system for ranging and localization. It is a pure software-based solution and uses the most …

The node localization problem in mobile sensor networks has received significant attention.
Recently, particle filters adapted from robotics have produced good localization accuracies …

Wireless sensor network (WSN) is widely used in many applications such as localization
and real-time tracking system. Previous researches commonly suffer the line-of-sight (LOS) …

Wireless Sensor Networks have been proposed for use in many location-dependent
applications. Most of these need to identify the locations of wireless sensor nodes, a …

Location technology is becoming more and more important in wireless sensor networks. The
weighted centroid localization offers a fast and simple algorithm for the location equipment …