Direct position estimation of GNSS receivers: Analyzing main results, architectures, enhancements, and challenges

P Closas, A Gusi-Amigo - IEEE Signal Processing Magazine, 2017 - ieeexplore.ieee.org
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 …

Maximum-likelihood direct position estimation in dense multipath

O Bialer, D Raphaeli, AJ Weiss - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
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 …

Cramér–Rao bound analysis of positioning approaches in GNSS receivers

P Closas, C Fernandez-Prades… - IEEE Transactions …, 2009 - ieeexplore.ieee.org
Recently, direct position estimation (DPE) has arisen as a potential approach to deal with
the positioning problem in global navigation satellite system receivers. The conventional …

Direct position estimation approach outperforms conventional two-steps positioning

P Closasy, C Fernández-Pradesz… - 2009 17th European …, 2009 - ieeexplore.ieee.org
GNSS receivers compute its position by a two-steps procedure. First, synchronization
parameters are estimated and, then, a geometrical problem is solved to obtain receiver's …

Vector tracking loops in GNSS receivers for dynamic weak signals

J Liu, X Cui, M Lu, Z Feng - Journal of Systems Engineering …, 2013 - ieeexplore.ieee.org
Vehicle positioning with the global navigation satellite system (GNSS) in urban
environments faces two problems which are attenuation and dynamic. For traditional GNSS …

Asymptotic Performance of GNSS Positioning Approaches under Cross-Correlation Effects

Y Duan, J Wei, Z Tang - Remote Sensing, 2024 - mdpi.com
Conventional global navigation satellite system receivers typically employ a two-step
positioning procedure (2SP) by first independently estimating the synchronization …

Optimal particle filter weight for bayesian direct position estimation in a gnss receiver

J Dampf, K Frankl, T Pany - Sensors, 2018 - mdpi.com
Direct Position Estimation (DPE) is a rather new Global Navigation Satellite System (GNSS)
technique to estimate the user position, velocity and time (PVT) directly from correlation …

Asymptotically efficient GNSS trilateration

F Vincent, E Chaumette, C Charbonnieras, J Israel… - Signal Processing, 2017 - Elsevier
Localization based on the reception of radio-frequency waveforms is a crucial problem in
many civilian or military applications. It is also the main objective of all Global Navigation …

Iterative NDA positioning using angle-of-arrival measurements for IoT sensor networks

S Monfared, TH Nguyen, T Van der Vorst… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Various positioning techniques have been developed to localize Internet-of-Things (IoT)
devices accurately. Because IoT communications are often narrowband, efficient localization …

Direct position tracking loop based on linearised signal model for global navigation satellite system receivers

J Liu, X Cui, M Lu, Z Feng - IET Radar, Sonar & Navigation, 2013 - Wiley Online Library
Vehicle positioning with global navigation satellite system in urban environments has three
challenges: signal attenuation, multipath and dynamic. In this study, the direct position …