DUPLO Workshop on Full-Duplex Radios and Systems

Research Article

RF Self-Interference Cancellation for Full-Duplex

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  • @INPROCEEDINGS{10.4108/icst.crowncom.2014.255756,
    author={Barend van Liempd and Cristina Lavin and Satoshi Malotaux and Dirk-Jan van den Broek and Bjorn Debaillie and Carmen Palacios and John R. Long and Eric Klumperink and Jan Craninckx},
    title={RF Self-Interference Cancellation for Full-Duplex},
    proceedings={DUPLO Workshop on Full-Duplex Radios and Systems},
    publisher={IEEE},
    proceedings_a={DUPLO WORKSHOP},
    year={2014},
    month={7},
    keywords={full duplex rf self-interference cancellation dual-polarization antenna electrical balance duplexer cmos},
    doi={10.4108/icst.crowncom.2014.255756}
}
  • Barend van Liempd
    Cristina Lavin
    Satoshi Malotaux
    Dirk-Jan van den Broek
    Bjorn Debaillie
    Carmen Palacios
    John R. Long
    Eric Klumperink
    Jan Craninckx
    Year: 2014
    RF Self-Interference Cancellation for Full-Duplex
    DUPLO WORKSHOP
    ICST
    DOI: 10.4108/icst.crowncom.2014.255756
Barend van Liempd1,*, Cristina Lavin2, Satoshi Malotaux3, Dirk-Jan van den Broek4, Bjorn Debaillie1, Carmen Palacios2, John R. Long3, Eric Klumperink4, Jan Craninckx1
  • 1: imec
  • 2: TTI
  • 3: Delft University of Technology
  • 4: University of Twente
*Contact email: barend.vanliempd@imec.be

Abstract

This paper proposes two RF self-interference cancellation techniques. Their small form-factor enables full-duplex communication links for small -to-medium size portable devices and hence promotes the adoption of full-duplex in mass-market applications and next-generation standards, e.g. IEEE802.11 and 5G. Measured prototype implementations of an electrical balance duplexer and a dual-polarized antenna both achieve >50dB self-interference suppression at RF, operating in the ISM band at 2.45GHz.

Keywords
full duplex rf self-interference cancellation dual-polarization antenna electrical balance duplexer cmos
Published
2014-07-23
Publisher
IEEE
http://dx.doi.org/10.4108/icst.crowncom.2014.255756
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