Evaluation of Embedded Algorithms for a Six-Port-Based Frequency Measurement System

In this paper, improved embedded algorithms for a six-port based frequency measurement system are presented which is used as a frequency reader for resonant surface acoustic wave (SAW) sensors. Due to limited resources on a microcontroller and necessarily higher update rates, new concepts for saving...

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Bibliographic Details
Published in2022 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNeT) pp. 40 - 42
Main Authors Scheiner, Benedict, Graf, Florian, Michler, Fabian, Weigel, Robert, Lurz, Fabian
Format Conference Proceeding
LanguageEnglish
Published IEEE 16.01.2022
Subjects
Acoustic measurements
Frequency measurement
frequency measurement system
instantaneous frequency measurement
Sensor systems
sensors
Surface acoustic waves
Time measurement
Wireless communication
Wireless sensor networks
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Summary:In this paper, improved embedded algorithms for a six-port based frequency measurement system are presented which is used as a frequency reader for resonant surface acoustic wave (SAW) sensors. Due to limited resources on a microcontroller and necessarily higher update rates, new concepts for saving time and keeping the measurement precision as constant as possible are compared to each other and trade-offs are given. This paper concludes with an approach that reduces the number of entries of the previously used look-up table (LUT) by 95 % and thus promises to increase the update rate enormously.
ISSN:2473-4624
DOI:10.1109/WiSNet53095.2022.9721367