In the paper we investigate 3-D positioning by making use of distance/range and angle-of-
arrival (AOA) measurements. Two estimation methods (linear least squares (LS) estimator …

In this paper, an overview of various algorithms for wireless position estimation is presented.
Although the position of a node in a wireless network can be estimated directly from the …

In this letter, we propose a novel three-dimensional (3D) localization algorithm based on a
simple range-based localization approach. The proposed scheme requires distance …

Most radio positioning methods are based on the measurements of distance between
different wireless nodes. Owing to the existence of non-line-of-sight (NLOS) radio …

Locating a signal source using angles of arrival (AOAs) in a wireless sensor network is
attractive because it does not require synchronization of the distributed receivers as in the …

A common technique for wireless positioning is to estimate time-of-arrivals (TOAs) of signals
traveling between a target node and a number of reference nodes, and then to determine …

The localization problem is fundamentally important for sensor networks. We study the
Cramer-Rao lower bound (CRB) for two kinds of localization based on noisy range …

In sensor networks, data collected by sensor nodes needs to be tagged with time and
location information. Localization techniques are used to determine the location information …

Being a key supporting technology, localization is of significance to the research and
implement of other attracting applications in wireless sensor networks. The positioning …

Area-based localization algorithms use only the position of some reference nodes, called
anchors, to estimate the residence area of the remaining nodes. Existing algorithms use a …