Directional Modulation Far-field Pattern Separation Synthesis Approach

Yuan Ding, Vincent Fusco

Research output: Contribution to journalArticlepeer-review

45 Citations (Scopus)
40 Downloads (Pure)


In this paper a far-field power pattern separation approach is proposed for the synthesis of directional modulation (DM) transmitter arrays. Separation into information patterns and interference patterns is enabled by far-field pattern null steering. Compared with other DM synthesis methods, e.g., BER-driven DM optimization and orthogonal vector injection, the approach developed in this paper facilitates manipulation of artificial interference spatial distributions. With such capability more interference power can be projected into those spatial directions most vulnerable to eavesdropping, i.e., the information side lobes. In such a fashion information leaked through radiation side lobes can be effectively mitigated in a transmitter power efficient manner. Furthermore, for the first time, we demonstrate how multi-beam DM transmitters can be synthesized via this approach.
Original languageEnglish
Pages (from-to)41–48
Number of pages8
JournalIET Microwaves, Antennas and Propagation
Issue number1
Publication statusPublished - 9 Jan 2015


  • Directional Modulation


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