Harmonic Automotive Radar for VRU Classification

Jone Saebboe, Ville Viikari, Timo Varpula, Heikki Seppä, Shi Cheng, Mustafa Al-Nuaimi, Paul Hallbjörner, Anders Rydberg

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

    13 Citations (Scopus)


    A harmonic radar and set of passive transponders are used for detection and identification of vulnerable road users (VRU) in automotive applications. The radar system transmits a signal consisting of two distinct frequency components in the 76- 81 GHz band. A small transponder is carried by the VRU. The antenna and the electric circuitry of the transponder are printed on flexible film and it can therefore be integrated in clothes. In the transponder the two frequency components are mixed together and a harmonic product, offset from all other reflections, is transmitted back to the radar. By synthesizing this harmonic frequency the radar system can unambiguously identify and localize VRU.
    Original languageEnglish
    Title of host publicationProceedings of the 2009 International Radar Conference
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Number of pages6
    ISBN (Electronic)9782912328557
    Publication statusPublished - 2009
    MoE publication typeA4 Article in a conference publication
    Event2009 International Radar Conference, Bordeux, France, Oct. 12 - 16, 2009 -
    Duration: 1 Jan 2009 → …


    Conference2009 International Radar Conference, Bordeux, France, Oct. 12 - 16, 2009
    Period1/01/09 → …


    • automotive radar
    • harmonic radar
    • transponder


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