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    Opto-VLSI-based beamformer for radio-frequency phased-array antennas

    Access Status
    Open access via publisher
    Authors
    Xiao, F.
    Juswardy, Budi
    Alameh, K.
    Xiao, S.
    Hu, W.
    Date
    2012
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Xiao, F. and Juswardy, B. and Alameh, K. and Xiao, S. and Hu, W. 2012. Opto-VLSI-based beamformer for radio-frequency phased-array antennas. IEEE Photonics Journal. 4 (3): pp. 912-919.
    Source Title
    IEEE Photonics Journal
    DOI
    10.1109/JPHOT.2012.2198210
    ISSN
    1943-0655
    School
    Curtin Institute of Radio Astronomy (Physics)
    URI
    http://hdl.handle.net/20.500.11937/9479
    Collection
    • Curtin Research Publications
    Abstract

    An Opto-VLSI-based tunable beamformer for radio frequency (RF) smart antennas is reported and its concept is demonstrated. RF beam steering is achieved by uploading appropriate phase holograms onto the Opto-VLSI processor so that RF true-time delays (TTDs) are independently generated for each element of the antenna array by simply using several erbium-doped fiber amplifier (EDFA) loops to realize independent tunable fiber lasers in conjunction with a dispersive optical fiber. Experimental results demonstrate RF beam steering up to 30deg; with a 4-element linear patch antenna array operating at 1.85 GHz. © 2012 IEEE.

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