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A Fast Procedure for Total Isotropic Sensitivity Measurements of Cellular IoT Devices in Reverberation Chambers

Published

Author(s)

Carnot Nogueira, Kate Remley, Sara Catteau, Scott Vance, Mats Kristoffersen, Derek Skousen

Abstract

We present a method that allows a fast evaluation of total isotropic sensitivity with the use of continuous-mode stirring in a reverberation chamber. A limited number of standard stepped-mode measurements is taken to calibrate the continuous-mode measurements by computing the offset between the measured sensitivity level of the device and the device-reported reference signal received power. A comparison of the results from the method proposed here and the standard stepped-mode approach illustrates that the accuracy of the fast approach can be within 0.2 dB to 0.5 dB of the standard method and allows for a test time reduction of up to 90%.
Citation
IEEE Transactions on Instrumentation and Measurement
Volume
71

Keywords

Cellular device, internet of things, measurement uncertainty, over-the-air test, reverberation chamber, total isotropic sensitivity, wireless system

Citation

Nogueira, C. , Remley, K. , Catteau, S. , Vance, S. , Kristoffersen, M. and Skousen, D. (2022), A Fast Procedure for Total Isotropic Sensitivity Measurements of Cellular IoT Devices in Reverberation Chambers, IEEE Transactions on Instrumentation and Measurement, [online], https://doi.org/10.1109/TIM.2022.3219479, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=933675 (Accessed July 24, 2024)

Issues

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Created November 11, 2022, Updated December 22, 2023