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High Integrity Multipath Mitigation Techniques for Ground Reference Stations
High Integrity Multipath Mitigation Techniques Ground Reference Stations
2015/6/29
There is an increasing demand for accuracy, integrity,continuity and availability in the ongoing develop ment of differential GPS (DGPS) techniques. DGPS performance relies on the elimination of error...
The Multipath Invariance Approach for Code Multipath Mitigation
Multipath Invariance Approach Code Multipath Mitigation
2015/6/29
The concept of multipath invariance asserts that there exist properties and/or regions of the code correlation function that do not change as a function of the multipath amplitude, delay, phase and ph...
The Integrity Monitor Testbed and Multipath Limiting Antenna Test Results
Monitor Testbed Multipath Limiting Antenna Test Results
2015/6/26
The Integrity Monitor Testbed (IMT) is a prototype of the Local Area Augmentation System (LAAS) Ground Facility (LGF). It is used to evaluate the integrity and continuity requirements on the LGF for C...
A Study of Severe Multipath Errors for the Proposed GBAS Airport Surface Movement Application
Multipath Errors GBAS Airport Surface Movement
2015/6/25
Young Shin Park is a Ph.D. Candidate in Aeronautics and Astronautics in the Global Positioning System (GPS) Research Laboratory at Stanford University and a Senior Engineer at Qualcomm Incorporated. H...
Multipath Benefits of BOC vs. BPSK Modulated Signals Using On-Air Measurements
Multipath Benefits BOC vs. BPSK Modulated Signals On-Air Measurements
2015/6/24
As air traffic continues to grow, the Global Navigation Satellite System (GNSS) plays an increasingly important role in enabling the air space to efficiently handle the increase load. In fact, it will...
Direct Comparison of the Multipath Performance of L1 BOC and C/A using On-Air Galileo and QZSS Transmissions
multipath BOC MBOC
2015/6/24
New Global Navigation Satellite System (GNSS) satellites will bring common, interoperable GNSS signals on L1.These new signals, L1C Global Positioning System (GPS)/Quasi-Zenith Satellite System (QZSS)...
Containing a Difficult Target: Techniques for Mitigating DME Multipath to Alternative Position Navigation and Timing (APNT)
Containing Difficult Target Techniques Mitigating DME Multipath Alternative Position Navigation Timing (APNT)
2014/6/24
Distance measuring equipment (DME)/Tactical Air Navigation (TACAN) has been serving aviation for approximately 60 years. It has been a primary navigation aid in the national airspace (NAS) for much of...
Bayesian Time Delay Estimation of GNSS Signals in Dynamic Multipath Environments
Bayesian Time Delay Estimation GNSS Signals Dynamic Multipath Environments
2009/9/3
A sequential Bayesian estimation algorithm for multipath mitigation is presented, with an underlying movement model that is especially designed for dynamic channel scenarios. In order to facilitate ef...
Experimental Results for the Multipath Performance of Galileo Signals Transmitted by GIOVE-A Satellite
Multipath Performance Galileo Signals Transmitted GIOVE-A Satellite
2009/9/3
Analysis of GIOVE-A signals is an important part of the in-orbit validation phase of the Galileo program. GIOVE-A transmits the ranging signals using all the code modulations currently foreseen for th...