Title: Analog and Digital Nulling Techniques for Multi-Element Antennas in GNSS Receivers
Authors: CURRAN JAMES THOMASBAVARO MICHELEFORTUNY GUASCH Joaquim
Publisher: INSTITUTE OF NAVIGATION
Publication Year: 2015
JRC N°: JRC97085
URI: https://www.ion.org/publications/abstract.cfm?jp=p&articleID=12910
http://publications.jrc.ec.europa.eu/repository/handle/JRC97085
Type: Articles in periodicals and books
Abstract: This paper presents a collection of theoretical and experimental results exploring the performance of null-steering techniques for GNSS receivers. Experiments focus on identifying those features and characteristics of null-steering implementations that may limit the achievable performance of signal-rejection techniques. The study describes both conductive and broadcast experiments conducted in a large anechoic chamber and computer-based Monte-Carlo simulations. Results include a precise gain pattern measurement of a typical antenna array, an investigation and comparison of both analogue RF and digital IF null steering along with some novel theoretical results describing the achievable nulling depth of various receiver configurations.
JRC Directorate:Space, Security and Migration

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