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Abstract

A novel retrodirective array (RDA) architecture is proposed which utilises a special case spectral signature embedded within the data payload as pilot signals. With the help of a pair of phase-locked-loop (PLL) based phase conjugators (PCs) the RDA’s response to other unwanted and/or unfriendly interrogating signals can be disabled, leading to enhanced secrecy performance directly in the wireless physical layer. The effectiveness of the proposed RDA system is experimentally demonstrated.
Original languageEnglish
JournalIET Microwaves, Antennas and Propagation
Early online date26 Oct 2016
DOIs
Publication statusEarly online date - 26 Oct 2016

Keywords

  • Secure Wireless Communications
  • retrodirective array

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