Inside GNSS, Author at Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design


Latest Articles


November 30, 2022
The Future of Indoor Positioning: A Simplified Method Combining Two Technologies

Combining multipath assisted positioning and fingerprinting using deep learning brings the best of two worlds together: low complexity and good performance. MARKUS ULMSCHNEIDER,…

By Inside GNSS


November 29, 2022
Q: How can two-way communications between reference stations and users enhance the performance and integrity  of differential GNSS navigation?

JIYUN LEE, GIHUN NAM AND K. ANDREW SUN, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST) A: Many forms of differential GNSS (DGNSS) exist…

By Inside GNSS


November 23, 2022
Bridging the Gap: A Look at Silicon Photonic Optical Gyro (SIPHOG) Technology

In this column, guest contributor Mike Horton from ANELLO Photonics introduces a new gyro technology that bridges the market gap between high-performance (but…

By Inside GNSS


November 15, 2022
UAV Navigation to Test Galileo Signals Validation Program

MADRID—The Spanish company UAV Navigation announced Nov. 14 it will participate in the OSNMAplus consortium, led by Italys’ Qascom, intended to authenticate signals…

By Inside GNSS


October 3, 2022
Detecting GNSS Spoofing

This new method makes it possible to decompose the Complex Cross Ambiguity Function of GNSS signals during malicious spoofing attacks.

By Inside GNSS


September 28, 2022
Thwarting GNSS Spoofing Attacks

Verifying spoofing countermeasures based on sparse signal processing.

By Inside GNSS


September 26, 2022
Understanding Cryocooled Infrared System Reliability

Long Life Cryocoolers Best-in-Class Infrared Performance All From One Dependable Supplier Sponsored by Teledyne FLIR

By Inside GNSS


September 22, 2022
Mitigating the Threat of Jamming and Spoofing to Aeronautics

A look at a multiscale interference monitoring approach using several different detectors, as well as an overview of findings of an interference monitoring campaign conducted at a European airport.

By Inside GNSS


September 22, 2022
NAUTILUS: An Embedded Navigation Authentication Testbed

The low-cost, lightweight platform can be easily configured for a variety of applications and test scenarios. This article focuses on its use for…

By Inside GNSS


August 30, 2022
Geometric Beamforming with Low-Cost Antenna Arrays

A new GNSS antenna array algorithm helps simultaneously estimate the antenna array attitude and direction of the incoming multipath wave fronts, improving attitude…

By Inside GNSS


August 25, 2022
Upcoming Military Exercises to Focus on Detecting GNSS Disruption

This fall, vendors from the Defense Innovation Unit’s (DIU) Harmonious Rook prototype project will participate in DoD and international exercises. The goal is…

By Inside GNSS


August 11, 2022
Q: How can ground monitoring of GNSS constellations improve on the performance and integrity commitments made by GNSS constellation providers regarding the integrity of their signals and services? What performance benefits might result?

A: The “GNSS Solutions” column in the May/June issue of Inside GNSS [1] described the commitments that have been made by GNSS service providers in…

By Inside GNSS


August 9, 2022
Analyzing Airborne GNSS Interference

Identifying GNSS interference based on ADS-B Out data and validating that data against confirmed interference from fielded airborne receivers. 

By Inside GNSS


August 8, 2022
Protecting GNSS for Safe Aviation

Detecting interference using machine learning algorithms to monitor ADS-B data.

By Inside GNSS


August 2, 2022
Time For Action: We Must Fail Before We Can Succeed

The “Cargo Cults” of Washington D.C., while well intentioned, are slowing progress. To improve national PNT posture, we must start building, failing and learning…

By Inside GNSS


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