|Publisher DOI:||10.1109/ICL-GNSS51451.2021.9452310||Title:||Multibeam antenna array and software switching for low-complexity low-cost GNSS beamforming||Language:||English||Authors:||Sengupta, Nabanita
Rossouw Van Der Merwe, J.
|Keywords:||beamforming;Butler matrix;Global navigation satellite system (GNSS);radio frequency beam-forming network (RF-BFN)||Issue Date:||Jun-2021||Source:||International Conference on Localization and GNSS (ICL-GNSS 2021)||Abstract (english):||
The received signals from GNSS satellites are low power and below the noise floor. Furthermore, GNSS antennas have low directivity to receive all signals simultaneously. Beamforming improves the carrier-to-noise density ratio (C/N0) before further processing by improving the directivity towards a specific satellite using an antenna array. Creating a beam for each satellite is processing intensive and leads to high costs. This paper presents a multibeam antenna array and software channel selection for low-cost beamforming for GNSS applications. Theoretical evaluations show benefits to signal gain and interference suppression, and practical results show an initial proof of concept.
|Conference:||International Conference on Localization and GNSS, ICL-GNSS 2021||URI:||http://hdl.handle.net/11420/10162||ISBN:||978-172819644-2||Institute:||Integrierte Schaltungen E-9
|Document Type:||Chapter/Article (Proceedings)|
|Appears in Collections:||Publications without fulltext|
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