Subcarrier modulated navigation signal processing in GNSS: a review

Z Yao, Y Qi, M Lu - Satellite Navigation, 2024 - Springer
Subcarrier modulated signals are widely used in the new generation of Global Navigation
Satellite Systems (GNSS) to improve spectral compatibility and ranging accuracy. The …

Analysis of scattering characteristics from inland bodies of water observed by CYGNSS

E Loria, A O'brien, V Zavorotny, B Downs… - Remote Sensing of …, 2020 - Elsevier
Measurements made by spaceborne Global Navigation Satellite System Reflectometry
(GNSS-R) instruments have shown strong reflected power over inland waters that has been …

The optimal dual estimate solution for robust tracking of binary offset carrier (BOC) modulation

MS Hodgart, PD Blunt, M Unwin - … of the 20th international technical meeting …, 2007 - ion.org
Binary Offset Carrier (BOC) is a very different way of modulating navigation signals which
has been adopted for the next generation GNSS. Unfortunately in a conventional receiver …

Generalized theory of BOC signal unambiguous tracking with two-dimensional loops

Z Yao, Y Gao, M Lu - IEEE Transactions on Aerospace and …, 2017 - ieeexplore.ieee.org
The multipeaked correlation functions of binary offset carrier (BOC) modulated signals
introduce an ambiguity threat into the code tracking. Several techniques have been …

A novel acquisition algorithm based on PMF-apFFT for BOC modulated signals

Y Pan, T Zhang, G Zhang, Z Luo - IEEE Access, 2019 - ieeexplore.ieee.org
Large Doppler shifts are inherent to high-speed relative motion between receiver and
satellite and are likely to cause major problems during the code phase acquisition due to the …

Improvements and additions to the double estimation technique

MS Hodgart, E Simons - 2012 6th ESA workshop on satellite …, 2012 - ieeexplore.ieee.org
The Double Estimation Technique (DET) is a GNSS signal-tracking concept. DET has the
capability to produce reliable unambiguous, full-precision delay estimates from the Binary …

FPGA-based GNSS receiver design for reflectometry applications

S Guruprasad - 2023 - yorkspace.library.yorku.ca
Research has shown that Global Navigation Satellite System (GNSS) signals reflecting off
the Earth's surface can be detected by receivers in low Earth orbit (LEO). The weak reflected …

A Bavarian initiative towards a robust Galileo PRS receiver

A Ruegamer, I Suberviola, F Foerster, G Rohmer… - Proceedings of the 24th …, 2011 - ion.org
This paper presents the architecture, core technologies, system development, and setup of
the BaSE Galileo PRS receiver. The receiver is capable of processing Galileo E1/E6 PRS …

An innovative FPGA‐based low‐complexity and multi‐constellations compatible GNSS acquisition scheme

T Qiu, X Wang, Q Du, Y Sun - IET Radar, Sonar & Navigation, 2021 - Wiley Online Library
There is a strong demand for the multi‐constellations compatible Global Navigation Satellite
System (GNSS) acquisition scheme, since it is able to acquire signals from different …

A two-dimension tracking based multipath mitigation method for BOC signals

Y Gao, Z Yao, Y Zhu, M Lu - Proceedings of the 2014 International Technical …, 2014 - ion.org
A multipath mitigation technique for finite bandwidth Sine-phased BOC signals is presented.
The proposed method is based on two-dimension (2-D) tracking structure, and designed …