Error Analysis of Carrier Phase Positioning Using Controlled Reception Pattern Array Antennas. Starling, J. & Bevly, D. M. In pages 957–970, February, 2017.
Error Analysis of Carrier Phase Positioning Using Controlled Reception Pattern Array Antennas [link]Paper  doi  abstract   bibtex   
High precision GPS applications are becoming increasingly wide spread during a time where the possibility for jamming GPS has never been higher. Though there are many types of anti-jam (AJ) techniques, multiple antenna techniques provide a robust protection method during jamming environments using Spatial Adaptive Processing (SAP), Space Time Adaptive Processing (STAP), and Space Frequency Adaptive Processing (SFAP) algorithms. A multi-antenna, also known as controlled reception pattern array (CRPA), receiver provides AJ protection by changing the effective gain pattern of the array to null out the jammer signal while still tracking GPS satellites. These CRPA receivers do this by leveraging the spatial, temporal, and frequency differences of signals between each antenna of the receiver to cause constructive and destructive interference when each antenna’s signal is combined. This paper aims to evaluate and quantify the integrity of multi-antenna carrier phase positioning during jamming scenarios as well as remove or limit the sources of error. The primary focus of error in this paper is the error associated with unconstrained recursive algorithms that continuously phase shift the reference element as well as the error in the carrier phase position solution when an AJ algorithm at various jammer strength levels.
@inproceedings{starling_error_2017,
	title = {Error {Analysis} of {Carrier} {Phase} {Positioning} {Using} {Controlled} {Reception} {Pattern} {Array} {Antennas}},
	url = {http://www.ion.org/publications/abstract.cfm?jp=p&articleID=14960},
	doi = {10.33012/2017.14960},
	abstract = {High precision GPS applications are becoming increasingly wide spread during a time where the possibility for jamming GPS has never been higher. Though there are many types of anti-jam (AJ) techniques, multiple antenna techniques provide a robust protection method during jamming environments using Spatial Adaptive Processing (SAP), Space Time Adaptive Processing (STAP), and Space Frequency Adaptive Processing (SFAP) algorithms. A multi-antenna, also known as controlled reception pattern array (CRPA), receiver provides AJ protection by changing the effective gain pattern of the array to null out the jammer signal while still tracking GPS satellites. These CRPA receivers do this by leveraging the spatial, temporal, and frequency differences of signals between each antenna of the receiver to cause constructive and destructive interference when each antenna’s signal is combined. This paper aims to evaluate and quantify the integrity of multi-antenna carrier phase positioning during jamming scenarios as well as remove or limit the sources of error. The primary focus of error in this paper is the error associated with unconstrained recursive algorithms that continuously phase shift the reference element as well as the error in the carrier phase position solution when an AJ algorithm at various jammer strength levels.},
	language = {en},
	urldate = {2024-06-20},
	author = {Starling, Joshua and Bevly, David M.},
	month = feb,
	year = {2017},
	pages = {957--970},
}

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