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Multi-Solution Precision Location Determination System to be Operational in a Global Positioning System (GPS) Denied Environment for Static, Dynamic and Autonomous Systems under Test



OBJECTIVE: Design and create a system that can provide precision location information on static, dynamic and autonomous systems under test within a GPS denied environment.

DESCRIPTION: Threats to GPS signals availability has created new GPS receiver designs with are intended to operate in a GPS denied environment to provide both timing and precise location data to the user equipment or as a part of a larger system relying on these data feeds for systems functionality.As the requirements to test GPS receivers designed to operate in a GPS denied environment increase, there is a need to have precision location data of the system under test to be used to determine effectiveness of the new GPS receiver designs in these environments.As most of the position location systems in use rely on using the GPS signals in space for determination of their position, there is a need to have a means to provide the precise location of the GPS systems under test on static, dynamic and autonomous moving platforms without having to rely on the GPS signals, using other means to determine precision location data on static and moving platforms.This effort will develop a capability that could be used in testing to ensure that true location data can be used as a baseline to the new GPS receiver systems in determining their ability to correctly determine location within the GPS denied environment.

PHASE I: Develop a method of determining precision location data not reliant on using the GPS signals as a means for determination. The method will be able to be used in a test range environment that allows for position location updates at a one second interval and able to be integrated on a dynamic moving platform and autonomous moving platforms.Accuracy of the data solution should be equal to that of the positon of a GPS receiver operating in a non-denied environment with full view of the GPS satellite constellation view.

PHASE II: Develop and demonstrate a prototype system operating in a GPS enabled environment and after successful demonstration, operate within a GPS denied environment with dynamic platforms and varied operating conditions.

PHASE III: DUAL-USE APPLICATIONS: This system could be used in a broad range of military and civilian Command, Control, Communication and Intelligence (C3I)applications where precision location determination is required in areas of potential GPS signals denial, or as a supplement to GPS signals determined location data. The prototype configuration will be matured into a stand-alone, portable, system that is deployable and operable by test support personnel and demonstrated in a realistic field-test environment.

KEYWORDS: precision location determination, GPS denied environment, autonomous, moving platforms, testing.


Miller, M. M. (n.d.). Navigation in GPS Denied Environments: Feature-Aided ... Retrieved from; Cole, S. (2017, November 20). Ensuring navigation in GPS-denied environments. Retrieved from; Kaba, J. (n.d.). Distributed GPS-Denied Navigation. Retrieved from; N/A

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