Small-sized and noise-reducing power analyzer design for low-power IoT devices

Ryosuke Kitayama, Takashi Takenaka, Masao Yanagisawa, Nozomu Togawa

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2 Citations (Scopus)

    Abstract

    Power analysis for IoT devices is strongly required to reduce power consumption and realize secure communications, where we need a small-sized power analyzer that can reduce a wide frequency range of noises is needed. In this paper, we propose a small-sized and noise-reduced power analyzer for IoT devices. We utilize a signal averaging method to reduce a wide frequency range of noises. At that time, how to implement a synchronous process between a power analyzer and a target IoT device becomes the key problem. We solve this problem by (a) using synchronization signals generated by a general-purpose I/O interface of a microprocessor and (b) introducing a data-order correction process. We analyze power/energy consumption of the encryption process of LED block cipher on the IoT device and obtain an average power of 146.3mW and energy of 3.84mJ. The proposed power analyzer is just implemented on a 5cm × 5cm board but these results only have 5% errors compared to a high-precision oscilloscope.

    Original languageEnglish
    Title of host publicationProceedings - 2015 IEEE 11th International Conference on ASIC, ASICON 2015
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9781479984831
    DOIs
    Publication statusPublished - 2016 Jul 19
    Event11th IEEE International Conference on Advanced Semiconductor Integrated Circuits (ASIC), ASICON 2015 - Chengdu, China
    Duration: 2015 Nov 32015 Nov 6

    Other

    Other11th IEEE International Conference on Advanced Semiconductor Integrated Circuits (ASIC), ASICON 2015
    CountryChina
    CityChengdu
    Period15/11/315/11/6

    Fingerprint

    Cryptography
    Light emitting diodes
    Microprocessor chips
    Synchronization
    Electric power utilization
    Energy utilization
    Internet of things
    Secure communication

    ASJC Scopus subject areas

    • Hardware and Architecture
    • Electrical and Electronic Engineering

    Cite this

    Kitayama, R., Takenaka, T., Yanagisawa, M., & Togawa, N. (2016). Small-sized and noise-reducing power analyzer design for low-power IoT devices. In Proceedings - 2015 IEEE 11th International Conference on ASIC, ASICON 2015 [7516927] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ASICON.2015.7516927

    Small-sized and noise-reducing power analyzer design for low-power IoT devices. / Kitayama, Ryosuke; Takenaka, Takashi; Yanagisawa, Masao; Togawa, Nozomu.

    Proceedings - 2015 IEEE 11th International Conference on ASIC, ASICON 2015. Institute of Electrical and Electronics Engineers Inc., 2016. 7516927.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Kitayama, R, Takenaka, T, Yanagisawa, M & Togawa, N 2016, Small-sized and noise-reducing power analyzer design for low-power IoT devices. in Proceedings - 2015 IEEE 11th International Conference on ASIC, ASICON 2015., 7516927, Institute of Electrical and Electronics Engineers Inc., 11th IEEE International Conference on Advanced Semiconductor Integrated Circuits (ASIC), ASICON 2015, Chengdu, China, 15/11/3. https://doi.org/10.1109/ASICON.2015.7516927
    Kitayama R, Takenaka T, Yanagisawa M, Togawa N. Small-sized and noise-reducing power analyzer design for low-power IoT devices. In Proceedings - 2015 IEEE 11th International Conference on ASIC, ASICON 2015. Institute of Electrical and Electronics Engineers Inc. 2016. 7516927 https://doi.org/10.1109/ASICON.2015.7516927
    Kitayama, Ryosuke ; Takenaka, Takashi ; Yanagisawa, Masao ; Togawa, Nozomu. / Small-sized and noise-reducing power analyzer design for low-power IoT devices. Proceedings - 2015 IEEE 11th International Conference on ASIC, ASICON 2015. Institute of Electrical and Electronics Engineers Inc., 2016.
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