Spatial Interferer Rejection in a 4-Element Beamforming Receiver Frontend with a Switched-Capacitor Vector Modulator

    Research output: Contribution to journalArticleAcademicpeer-review

    16 Citations (Scopus)
    48 Downloads (Pure)

    Abstract

    A 1-4GHz 4-element phased array receiver frontend demonstrates spatial interferer rejection using null steering. Element phase and amplitude control are performed by a switchedcapacitor vector modulator with integrated downconversion, utilizing a rational sine/cosine approximation. The 65nm CMOS receiver achieves more than 20dB of spatial interferer rejection up to an angular separation of 15°.
    Original languageEnglish
    Pages (from-to)2933-2942
    Number of pages10
    JournalIEEE journal of solid-state circuits
    Volume46
    Issue number12
    DOIs
    Publication statusPublished - 1 Dec 2011

    Keywords

    • Phase-shifter
    • Phased arrays
    • switched-capacitor
    • interference nulling
    • vector modulator
    • Beam-forming
    • spatial filtering
    • EWI-21295
    • Receivers
    • METIS-285010
    • IR-79355
    • mixer

    Fingerprint Dive into the research topics of 'Spatial Interferer Rejection in a 4-Element Beamforming Receiver Frontend with a Switched-Capacitor Vector Modulator'. Together they form a unique fingerprint.

    Cite this