A battery-less WiFi-BER modulated data transmitter with ambient radio-wave energy harvesting

Haruya Ishizaki, Hidetoshi Ikeda, Yoichi Yoshida, Tadashi Maeda, Tadahiro Kuroda, Masayuki Mizuno

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

    15 Citations (Scopus)

    Abstract

    We have developed a new battery-less bit-error-rate modulated (BERM) data transmission technology that can directly send data to a WiFi-equipped PC without affecting WiFi communication on the PC. BER modulated data at a 5.5kbps data-rate has been successfully transmitted at a 30-cm distance between a test chip and measurement equipment. The chip also has an energy harvesting function with an active ambient-radio power searching (AAPS) architecture that enhances harvest efficiency. Harvested power was 30.8μW at a 30cm-distance from a 250mW (24dBm) emission WiFi access point (AP), and the operational frequency had a very wide range, 1.9 to 2.4GHz.

    Original languageEnglish
    Title of host publication2011 Symposium on VLSI Circuits, VLSIC 2011 - Digest of Technical Papers
    Pages162-163
    Number of pages2
    Publication statusPublished - 2011 Sep 16
    Event2011 Symposium on VLSI Circuits, VLSIC 2011 - Kyoto, Japan
    Duration: 2011 Jun 152011 Jun 17

    Publication series

    NameIEEE Symposium on VLSI Circuits, Digest of Technical Papers

    Other

    Other2011 Symposium on VLSI Circuits, VLSIC 2011
    CountryJapan
    CityKyoto
    Period11/6/1511/6/17

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Electrical and Electronic Engineering

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  • Cite this

    Ishizaki, H., Ikeda, H., Yoshida, Y., Maeda, T., Kuroda, T., & Mizuno, M. (2011). A battery-less WiFi-BER modulated data transmitter with ambient radio-wave energy harvesting. In 2011 Symposium on VLSI Circuits, VLSIC 2011 - Digest of Technical Papers (pp. 162-163). [5986087] (IEEE Symposium on VLSI Circuits, Digest of Technical Papers).