Optimizing the Switching Speed of the Current Probe Utilizing the FPGA for Input Signal Processing

Michal Mikulasek, Pavel Masek, Martin Stusek, Lukas Novak, Radek Mozny, Jiri Hosek

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review


The next-generation mobile networks open the doors for the new industry-oriented applications that utilize the new group of telecommunication technologies known as the low-power wide area (LPWA) technologies. In the massive machine-type communication (mMTC) scenarios where the performance-limited and energy-constrained devices are deployed, the operational lifetime is one of the most important parameters. Therefore, over the recent years, the energy efficiency and correct implementation of the power saving modes at the side of machine-type devices (MTDs) got momentum. In this paper, we introduce the improved prototype of the current probe capable to measure the current consumption of the LPWA communication devices working in both licensed and license-exempt frequency spectrum. The increased speed for range switching while measuring was done by utilization of the field programmable gate array (FPGA). The current probe with enabled fixed mA range proved to be very useful for basic waveforms as it could sample and store frequencies up to 250 Hz, which should be more than enough for most of the Internet of Things (IoT) sensors' current consumption changes. We also report the possible drawbacks related to the utilization of the FPGA and auto-ranging.
Original languageEnglish
Title of host publication2021 13th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)
Number of pages8
ISBN (Electronic)978-1-6654-0219-4
Publication statusPublished - 2021
Publication typeA4 Article in conference proceedings
EventInternational Conference on Ultra Modern Telecommunications & workshops - Brno, Czech Republic
Duration: 25 Oct 202227 Oct 2022

Publication series

NameInternational Conference on Ultra Modern Telecommunications & workshops
ISSN (Electronic)2157-023X


ConferenceInternational Conference on Ultra Modern Telecommunications & workshops
Country/TerritoryCzech Republic


  • Performance evaluation
  • Power measurement
  • Current measurement
  • Prototypes
  • Switches
  • Frequency measurement
  • Sensors
  • LPWA
  • Power Consumption
  • Current probe
  • Auto ranging
  • FPGA
  • Prototyping

Publication forum classification

  • Publication forum level 1


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