2024
DOI: 10.3390/s24041053
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Frequency Instability Impact of Low-Cost SDRs on Doppler-Based Localization Accuracy

Kacper Bednarz,
Jarosław Wojtuń,
Jan M. Kelner
et al.

Abstract: In this paper, we explore several widely available software-defined radio (SDR) platforms that could be used for locating with the signal Doppler frequency (SDF) method. In the SDF, location error is closely related to the accuracy of determining the Doppler frequency shift. Therefore, ensuring high frequency stability of the SDR, which is utilized in the location sensor, plays a crucial role. So, we define three device classes based on the measured frequency stability of selected SDRs without and with an exte… Show more

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