Directional modulation-enhanced retrodirective array

Yuan Ding, Vincent Fusco

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)
30 Downloads (Pure)


Unlike the mathematical techniques adopted in classical cryptographic technology at higher protocol layers, it is shown that characteristics intrinsic to the physical layer can be exploited to secure useful information. It is shown that a retrodirective array can be made to operate more securely by incorporating directional modulation (DM) concepts. The presented new approach allows DM to operate in a multipath environment. Previously, DM systems could only operate in free space.
Original languageEnglish
Pages (from-to)118-120
Number of pages3
JournalElectronics Letters
Issue number1
Publication statusPublished - 15 Jan 2015


  • antenna arrays
  • modulation


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