Multibeam antenna array and software switching for low-complexity low-cost GNSS beamforming
2021 International Conference on Localization and GNSS (ICL-GNSS)(2021)
摘要
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 ...
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关键词
Global navigation satellite system (GNSS),beamforming,Butler matrix,radio frequency beam-forming network (RF-BFN)
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