Leveraging Commercial Broadband LEO Constellations for Navigating

  title={Leveraging Commercial Broadband LEO Constellations for Navigating},
  author={Tyler G. R. Reid and Andrew Neish and Todd Walter and Per K. Enge},
Tyler G. R. Reid is a Ph.D. candidate in the GPS Research Laboratory working under the guidance of Professor Per Enge and Dr. Todd Walter in the Department of Aeronautics and Astronautics at Stanford University. He received his B. Eng. in Mechanical Engineering from McGill University in Canada in 2010 and his M.Sc. in Aeronautics and Astronautics from Stanford University in 2012. He has also worked as a software engineer for Google’s Street View. 
Economical Fused LEO GNSS
This paper shows that continuous assured PNT service over ±60° latitude with positioning performance exceeding traditional GNSS pseudo ranging would cost less than 2 % of system capacity for the largest new constellations, such as SpaceX's Starlink or Amazon's Project Kuiper. Expand
Empowering the Tracking Performance of LEO PNT by Means of Meta-Signals
The applicability of a VWB receiver architecture on signals provided by a piggybacked PNT service, hosted on a broadband LEO constellation is shown and the capability of this implementation to bear high Doppler conditions while empowering the potential of LEO PNT is demonstrated. Expand
Tradespace Analysis of GNSS Space Segment Architectures
Global navigation satellite systems (GNSS) provide ubiquitous, continuous, and reliable positioning, navigation, and timing information around the world. However, GNSS space segment design decisionsExpand
Assessment of Differential Carrier Phase Measurements from Orbcomm LEO Satellite Signals for Opportunistic Navigation
  • Joe Khalife, Z. Kassas
  • Physics
  • Proceedings of the 32nd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2019)
  • 2019
A framework for positioning with carrier phase differential (CD) low Earth orbit (LEO) (CD-LEO) measurements is developed. This framework utilizes a base and a rover and enables navigation with theExpand
Exploring the Architecture Trade Space of NextGen Global Navigation Satellite Systems
The analysis indicates that Low Earth Orbit constellations are significantly more expensive to deploy due to the larger number of satellites required and the impact of operational costs, launch cost reduction, different end-of-life disposal strategies and transmit power on the overall results. Expand
Cost-Efficient LEO Navigation Augmentation Constellation Design under a Constrained Deployment Approach
  • Jing Ren, Dan Sun, Deng Pan, Mingtao Li, Jianhua Zheng
  • International Journal of Aerospace Engineering
  • 2021
The advantages of the Low Earth Orbit (LEO) satellite include low-latency communications, shorter positioning time, higher positioning accuracy, and lower launching, building, and maintenance costs.Expand
Navigation With Differential Carrier Phase Measurements From Megaconstellation LEO Satellites
An opportunistic framework to navigate with differential carrier phase measurements from megaconstellation low Earth orbit (LEO) satellite signals is proposed. A computationally efficient integerExpand
Performance Analysis of a Navigation System Combining BeiDou with LEO Communication Constellation
Through simulation analysis, the quantitative improvement of DOP (Dilution of Precision) and the positioning performance of the system is analyzed and can provide a reference for the development of the PNT architecture and the next generation BeiDou system. Expand
Spectral coexistence between LEO and GEO satellites by optimizing direction normal of phased array antennas
The simulation results prove that the proposed approach leads to greater link availability while guaranteeing the desired received signal level especially for low-latitude earth stations. Expand
BeiDou Augmented Navigation from Low Earth Orbit Satellites
The results demonstrate that the satellite visibility and position dilution of precision have been significantly improved, particularly in mid-latitude region of Asia-Pacific region, once the LEO data were combined with BeiDou-3 for navigation. Expand


LEOs-the communications satellites of the 21/sup st/ century
  • M. Sturza
  • Geography
  • IEEE Technical Applications Conference. Northcon/96. Conference Record
  • 1996
By the start of the new millennium a revolution will have occurred in the communication satellite industry with LEO satellite networks becoming key pathways of the information superhighway. LEOs areExpand
Galileo Constellation Design
A significant effort has been carried out in Europe to define the European Global Navigation Satellite System (GNSS), named Galileo Satellites flying in Medium Earth Orbits (MEO) will compose theExpand
Orbital representations for the next generation of satellite-based augmentation systems
The design and qualification of the L5 MOPS orbit messages, namely the ephemeris and almanac, will support a multitude of orbit classes including all of those used today by both GNSS and SBAS. Expand
Architecture of the TELEDESIC satellite system
There is a significant worldwide demand for broadband communications capacity. Teledesic plans to meet this demand using a constellation of 924 low-Earth orbit (LEO) satellites operating in Ka-bandExpand
Doppler characterization for LEO satellites
This paper deals with the analytic derivation of the Doppler shift measured by a user on the surface of Earth on a signal transmitted by a circular orbit LEO satellite. Expand
Radiation Effects and COTS Parts in SmallSats
A “Careful COTS” approach to component selection and testing to meet emerging class of small satellite missions that requires assured operational lifetime and rapid development on a moderate budget is described. Expand
GNSS Integrity in the Arctic
Results demonstrate that the introduction of multi-frequency and multi-constellation to these systems enables navigation safety in the Arctic and supports precision approach in addition to autonomous ice navigation at sea but falls short of precision maritime requirements. Expand
Small Satellites SSC 13-IV-3 Radiation Effects and COTS Parts in SmallSats
An emerging class of small satellite missions requires assured operational lifetime and rapid development on a moderate budget. This paper describes a “Careful COTS” approach to component selectionExpand
Broadcast versus precise ephemerides: a multi-GNSS perspective
A consistent analysis of signal-in-space ranging errors (SISREs) is presented for all current satellite navigation systems, considering both global average values and worst-user-location statistics.Expand
The GPS 21 primary satellite constellation
This paper defines the GPS 21 Primary Satellite Constellation, along with its maintenance strategy, to be implemented in the mid-1990s, and presents satellite locations for both constellations, as well as positions for the first four Block II launches. Expand