UHF solar powered active oscillator antenna on low cost flexible substrate for wireless identification applications

Apostolos Georgiadis, Ana Collado, Sangkil Kim, Hoseon Lee, Manos M. Tentzeris

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

    14 Citations (Scopus)

    Abstract

    The design of a 920 MHz active oscillator antenna using low cost flexible substrate materials is presented. Flexible amorphous silicon a-Si solar cells are properly integrated in the available area of the circuit substrate preserving the conformal nature of the circuit and providing operational autonomy by harvesting solar power without affecting the radiation properties of the active antenna. Coplanar waveguide fed monopole and slot antennas are designed using EM simulation and harmonic balance simulation is subsequently used to design the oscillator circuit, including the equivalent circuit of the solar module. Two benchmarking prototypes were fabricated, one by method of laser prototyping on PET, and the other by inkjet-printing on photopaper, demonstrating that it is feasible to come up with a cost effective conformal circuit implementation of a beacon signal generator which can find application in wireless identification and monitoring applications.

    Original languageEnglish
    Title of host publicationIMS 2012 - 2012 IEEE MTT-S International Microwave Symposium
    DOIs
    Publication statusPublished - 2012
    Publication typeA4 Article in a conference publication
    Event2012 IEEE MTT-S International Microwave Symposium, IMS 2012 - Montreal, QC, Canada
    Duration: 17 Jun 201222 Jun 2012

    Conference

    Conference2012 IEEE MTT-S International Microwave Symposium, IMS 2012
    Country/TerritoryCanada
    CityMontreal, QC
    Period17/06/1222/06/12

    Keywords

    • Active antenna
    • Beacon generator
    • Energy harvesting
    • Flexible electronics
    • Harmonic balance
    • Solar power harvesting

    ASJC Scopus subject areas

    • Radiation
    • Condensed Matter Physics
    • Electrical and Electronic Engineering

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