Three-state time-modulated array-enabled directional modulation for secure orthogonal frequency-division multiplexing wireless transmission

Gaojian Huang, Yuan Ding*, Shan Ouyang, Vincent Fusco

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Recent works have shown that by using time-modulated arrays (TMAs), directional modulation (DM) physical-layer secured transmitters for orthogonal frequency-division multiplexing (OFDM) wireless data transfer can be constructed. In this paper, three-state TMAs are introduced for OFDM DM systems which allow more flexible manipulation of the injected orthogonal artificial noise and hence improve security. In particular, this paper presents for the first time both static and dynamic three-state time-modulated OFDM DM systems. Simulated bit error rate (BER) spatial distributions are shown for various system configurations in order to illustrate representative examples of secrecy performance enhancement that can be achieved by the proposed transmitter arrangement.

Original languageEnglish
Pages (from-to)2321-2327
Number of pages7
JournalIET Communications
Volume16
Issue number19
Early online date20 Sep 2022
DOIs
Publication statusPublished - Dec 2022

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering

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