GNSS smartphones positioning: Advances, challenges, opportunities, and future perspectives

F Zangenehnejad, Y Gao - Satellite navigation, 2021 - Springer
Starting from 2016, the raw Global Navigation Satellite System (GNSS) measurements can
be extracted from the Android Nougat (or later) operating systems. Since then, GNSS …

Using smartphone-GPS data to understand pedestrian-scale behavior in urban settings: A review of themes and approaches

A Rout, S Nitoslawski, A Ladle, P Galpern - Computers, Environment and …, 2021 - Elsevier
With the near-ubiquitous presence of smartphones among urban dwellers in many parts of
the world, we are living in an age where the public can act as continuous sensors of urban …

Unsupervised human detection with an embedded vision system on a fully autonomous UAV for search and rescue operations

E Lygouras, N Santavas, A Taitzoglou, K Tarchanidis… - Sensors, 2019 - mdpi.com
Unmanned aerial vehicles (UAVs) play a primary role in a plethora of technical and scientific
fields owing to their wide range of applications. In particular, the provision of emergency …

[HTML][HTML] An analysis of multi-GNSS observations tracked by recent Android smartphones and smartphone-only relative positioning results

J Paziewski, M Fortunato, A Mazzoni, R Odolinski - Measurement, 2021 - Elsevier
In this study we assess the quality of multi-GNSS observations of recent Android
smartphones. The results reveal a significant drop of smartphone carrier-to-noise density …

Real-time precise point positioning with a Xiaomi MI 8 android smartphone

B Chen, C Gao, Y Liu, P Sun - Sensors, 2019 - mdpi.com
The Global Navigation Satellite System (GNSS) positioning technology using smartphones
can be applied to many aspects of mass life, and the world's first dual-frequency GNSS …

Observation quality assessment and performance of GNSS standalone positioning with code pseudoranges of dual-frequency Android smartphones

U Robustelli, J Paziewski, G Pugliano - Sensors, 2021 - mdpi.com
The new generation of Android smartphones is equipped with GNSS chips capable of
tracking multi-frequency and multi-constellation data. In this work, we evaluate the …

Raw GNSS observations from Android smartphones: Characteristics and short-baseline RTK positioning performance

R Gao, L Xu, B Zhang, T Liu - Measurement Science and …, 2021 - iopscience.iop.org
The release of raw global navigation satellite system (GNSS) observations by Google
Android makes high-precision positioning possible with low-cost smart devices. This study …

Ambiguity resolution for smartphone GNSS precise positioning: effect factors and performance

B Li, W Miao, G Chen, Z Li - Journal of Geodesy, 2022 - Springer
With the availability of Global Navigation Satellite Systems raw measurements in
smartphones, high-precision positioning using smartphones has become possible in recent …

GNSS observation generation from smartphone android location API: Performance of existing apps, issues and improvement

F Zangenehnejad, Y Jiang, Y Gao - Sensors, 2023 - mdpi.com
Precise position information available from smartphones can play an important role in
developing new location-based service (LBS) applications. Starting from 2016, and after the …

Real-time GNSS precise point positioning with smartphones for vehicle navigation

Z Li, L Wang, N Wang, R Li, A Liu - Satellite navigation, 2022 - Springer
The availability of raw Global Navigation Satellite System (GNSS) measurements from
Android smart devices gives new possibilities for precise positioning solutions, eg, Precise …