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|Title:||Analog and Digital Nulling Techniques for Multi-Element Antennas in GNSS Receivers|
|Authors:||CURRAN JAMES THOMAS; BAVARO MICHELE; FORTUNY GUASCH Joaquim|
|Publisher:||INSTITUTE OF NAVIGATION|
|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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