Advanced Multipath Mitigation Techniques for Satellite‐Based Positioning Applications

MZH Bhuiyan, ES Lohan - International Journal of Navigation …, 2010 - Wiley Online Library
Multipath remains a dominant source of ranging errors in Global Navigation Satellite
Systems (GNSS), such as the Global Positioning System (GPS) or the future European …

[PDF][PDF] Code tracking algorithms for mitigating multipath effects in fading channels for satellite-based positioning

MZH Bhuiyan, ES Lohan, M Renfors - EURASIP Journal on Advances in …, 2007 - Springer
The ever-increasing public interest in location and positioning services has originated a
demand for higher performance global navigation satellite systems (GNSSs). In order to …

FH-BOC: Generalized low-ambiguity anti-interference spread spectrum modulation based on frequency-hop** binary offset carrier

J Ma, Y Yang, H Li, J Li - GPS Solutions, 2020 - Springer
Objective The paper aims to present a generalized modulation scheme that can improve the
anti-interference performance of global navigation satellite systems (GNSS) and mitigate the …

Low‐complexity unambiguous acquisition methods for BOC‐modulated CDMA signals

ES Lohan, A Burian, M Renfors - International Journal of …, 2008 - Wiley Online Library
The new M-code signals of GPS and the signals proposed for the future Galileo systems are
of split-spectrum type, where the pseudorandom (PRN) code is multiplied with rectangular …

Unambiguous techniques modernized GNSS signals: Surveying the solutions

ES Lohan, DA De Diego… - IEEE Signal …, 2017 - ieeexplore.ieee.org
Global navigation satellite systems (GNSSs) remain, by far, the most reliable and widely
spread sources of accurate outdoor positioning. With the advent of the new and modernized …

[PDF][PDF] Efficient delay tracking methods with sidelobes cancellation for BOC-modulated signals

A Burian, ES Lohan, MK Renfors - EURASIP Journal on Wireless …, 2007 - Springer
In positioning applications, where the line of sight (LOS) is needed with high accuracy, the
accurate delay estimation is an important task. The new satellite-based positioning systems …

Multifunctional signal design for measurement, navigation and communication based on BOC and BPSK modulation

L Xue, X Li, W Wu, J Dong - Remote Sensing, 2022 - mdpi.com
In a multi-node spacecraft or unmanned aerial vehicle (UAV) group, a multifunctional signal
containing measurement, navigation, and communication functions is required to simplify …

Statistical analysis of BPSK-like techniques for the acquisition of Galileo signals

ES Lohan - Journal of Aerospace Computing, Information, and …, 2006 - arc.aiaa.org
The main modulation types selected for future Galileo signals are sine and cosine Binary-
Offset-Carrier (SinBOC/CosBOC) modulations. On one hand, BOC-modulated signals have …

Analytical performance of CBOC-modulated Galileo E1 signal using sine BOC (1, 1) receiver for mass-market applications

ES Lohan - IEEE/ION Position, Location and Navigation …, 2010 - ieeexplore.ieee.org
Composite Binary Offset Carrier (CBOC) modulation has been selected for the future Galileo
signals to be used in mass-market applications. CBOC consists of a superposition of two …

Accuracy limits in multi-GNSS

ES Lohan, K Borre - IEEE Transactions on Aerospace and …, 2016 - ieeexplore.ieee.org
Satellite navigation is quickly becoming a multidimensional complex challenge, with four
Global Navigation Satellite Systems (GNSS) fully or partially deployed, more than 90 GNSS …