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Many concepts have been proposed to increase the data rate of LORAN. Enhanced LORAN modulation schemes can provide many benefits to navigation including the transmission of GPS integrity information f...
Using WAAS Ionospheric Data to Estimate LAAS Short Baseline Gradients
WAAS Ionospheric Data Estimate LAAS Short Baseline Gradients
2015/6/26
The Local Area Augmentation System (LAAS) is intended to provide real-time differential GPS corrections with the high accuracy, availability, and integrity required for Category II/III landings. In or...
Can WAAS Availability Be Inferred From Geomagnetic Data? An Analysis
WAAS Availability Geomagnetic Data
2015/6/26
The Federal Aviation Administration’s Wide Area Augmentation System (WAAS) provides high integrity GPS-based precision navigation service to users in the conterminous United States (CONUS). User integ...
Field Data Analysis for a Range-Based Local Airport Monitor for WAAS
Field Data Analysis Range-Based Local Airport Monitor WAAS
2015/6/26
The Local Airport Monitor (LAM) concept has been proposed as an inexpensive and rapidly deployable implementation of LAAS. The LAM combines WAAS corrections with local monitoring to provide an error b...
Using Seasonal Monitor Data to Assess Aviation Integrity
Seasonal Monitor Assess Aviation Integrity
2015/6/25
As we become increasing dependent on GPS for many position, navigation, and time (PNT) applications, it becomes increasing important that we have an alternate means of obtaining those capabilities. Th...
Robust Location Tag Generation from Noisy Location Data for Security Applications
Robust Location Tag Generation Noisy Location Data Security Applications
2015/6/25
Location-based security service provides authorization of persons or facilities based on their distinctive location information. It applies the field of position navigation and time (PNT) to the provi...
Evaluation of Dual-Frequency GBAS Performance using Data from Public Receiver Networks
Dual-Frequency GBAS Performance Public Receiver Networks
2015/6/25
Kazushi Suzuki is an Assistant Manager in the Air Traffic Management and Navigation Systems Department of NEC Corporation in Fuchu, Tokyo, Japan. He received his B.S. and M.S. degrees in Electrical En...
Advanced RAIM Demonstration using Four Months of Ground Data
Advanced RAIM Demonstration Months Ground Data
2015/6/24
In the near future, many more navigation satellites with dual frequency L1 and L5 will be deployed. The increased number of satellites and the possibility of mitigating the ionospheric delay using dua...
Data and Pilot Combining for Composite GNSS Signal Acquisition
Data Pilot Combining Composite GNSS Signal Acquisition
2009/9/3
With the advent of new global navigation satellite systems (GNSS), such as the European Galileo, the Chinese Compass and the modernized GPS, the presence of new modulations allows the use of special t...