The wide availability of sensing modules and computing capabilities in modern mobile
devices (smartphones, smart watches, in-vehicle sensors, etc.) is driving the shift from mote …

In the last decade, the research on and the technology for outdoor tracking have seen an
explosion of advances. It is expected that in the near future, we will witness similar trends for …

Time-delay and Doppler estimation is crucial in various engineering fields, as estimating
these parameters constitutes one of the key initial steps in the receiver's operational …

This article discusses theoretical and practical aspects of direct position estimation (DPE) of
global navigation satellite system (GNSS) receivers. DPE is an alternative approach to the …

The derivation of tight estimation lower bounds is a key tool to design and assess the
performance of new estimators. In this contribution, first, the authors derive a new compact …

The problem of localizing a transmitting source by observing the signal at several base
stations (BSs) is considered. In this paper, a direct position estimation (DPE) algorithm for a …

It is known that satellite radiolocalization was born in the military environment and was
originally conceived for defense purposes. Nevertheless, the commercial explosion (dated …

The derivation of estimation lower bounds is paramount to designing and assessing the
performance of new estimators. A lot of effort has been devoted to the range-velocity …

Multipath (MP) reception has been among the main issues for accurate and reliable
positioning in urban environments. It has been shown to introduce positioning errors of up to …

This paper describes and demonstrates an assisted GPS technique, termed “Collective
Detection,” for combining satellite correlograms to enable rapid acquisition and direct …