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Klammsteiner, Ivan und Addo, Ernest Ofosu und Tripathi, Veenu und Caizzone, Stefano (2025) A 14-Channel Reconfigurable Analog Beamformer for Multi-Frequency, Multi-Antenna GNSS Applications. IEEE Antennas and Wireless Propagation Letters. IEEE - Institute of Electrical and Electronics Engineers. ISSN 1536-1225. (nicht veröffentlicht)
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Kurzfassung
A reconfigurable analog beamformer for the usecase of multiband Global Navigation Satellite Systems (GNSS) multiantenna receiver systems is designed and tested. The beamformer board operates in all existing GNSS frequency bands. In this paper, the two commonly-used GNSS bands: the E1/L1 and E5a/L5 GNSS bands at 1.575 GHz and 1.176 GHz respectively, are studied. Analog weighting of the complex excitation of up to 14 individual channels is realized using attenuators and phase shifters, digitally controlled by a proprietary PC software. We show an analysis of the relative errors between the channels and a simple calibration of constant errors which is applied and validated. The beamformer is then demonstrated in an exemplary test case, to generate an ad-hoc pattern from an array of antennas.
| elib-URL des Eintrags: | https://elib.dlr.de/215815/ | ||||||||||||||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||
| Titel: | A 14-Channel Reconfigurable Analog Beamformer for Multi-Frequency, Multi-Antenna GNSS Applications | ||||||||||||||||||||
| Autoren: |
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| Datum: | 2025 | ||||||||||||||||||||
| Erschienen in: | IEEE Antennas and Wireless Propagation Letters | ||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||
| In SCOPUS: | Ja | ||||||||||||||||||||
| In ISI Web of Science: | Ja | ||||||||||||||||||||
| Verlag: | IEEE - Institute of Electrical and Electronics Engineers | ||||||||||||||||||||
| ISSN: | 1536-1225 | ||||||||||||||||||||
| Status: | nicht veröffentlicht | ||||||||||||||||||||
| Stichwörter: | GNSS, antenna, reconfigurability, analog beamforming, multipath, interference | ||||||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||
| HGF - Programm: | Raumfahrt | ||||||||||||||||||||
| HGF - Programmthema: | Kommunikation, Navigation, Quantentechnologien | ||||||||||||||||||||
| DLR - Schwerpunkt: | Raumfahrt | ||||||||||||||||||||
| DLR - Forschungsgebiet: | R KNQ - Kommunikation, Navigation, Quantentechnologie | ||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | R - Projekt HIGAIN [KNQ] | ||||||||||||||||||||
| Standort: | Oberpfaffenhofen | ||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Kommunikation und Navigation > Navigation | ||||||||||||||||||||
| Hinterlegt von: | Klammsteiner, Ivan | ||||||||||||||||||||
| Hinterlegt am: | 22 Aug 2025 09:45 | ||||||||||||||||||||
| Letzte Änderung: | 22 Aug 2025 09:45 |
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