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Estimation of the complex far-field of an antenna array using live GNSS signals and the equivalent electric current method
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering.
2009 (English)In: Proceedings of the 13th IAIN World Congress, Stockholm, 27-30 October 2009, Nordic Institute of Navigation , 2009Conference paper, Published paper (Refereed)
Abstract [en]

When using antenna arrays with GNSS receivers both the gain and the phase of the far-field radiation pattern may be distorted due to coupling effects. This problem can often be characterized in the design process of the antenna or by measurements in a measurement range. This is, however, not always possible and it is then necessary to characterize the antenna using live measurements. In this paper the equivalent electric current method is used to estimate the gain and phase of the far-field of an antenna array for a GPS receiver. In the method, the complex far-field pattern of an antenna is estimated using the distribution of the electric current, which is described using suitable basis functions. The method was evaluated using data collected by a 7-element GPS antenna array. The results show agreement between the model and measured results.

Place, publisher, year, edition, pages
Nordic Institute of Navigation , 2009.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Industrial Electronics
Identifiers
URN: urn:nbn:se:ltu:diva-27847Local ID: 169ba4e0-d900-11de-bae5-000ea68e967bOAI: oai:DiVA.org:ltu-27847DiVA, id: diva2:1001038
Conference
International Association of Institutes of Navigation World Congress : 27/10/2009 - 31/10/2009
Note
Godkänd; 2009; 20091124 (tore)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
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