Fourier Rotman lens enabled directional modulation transmitter

Yuan Ding, Yunhua Zhang, Vincent Fusco

Research output: Contribution to journalArticle

14 Citations (Scopus)
50 Downloads (Pure)

Abstract

A 10 GHz Fourier Rotman lens enabled dynamic directional modulation (DM) transmitter is experimentally evaluated. Bit error rate (BER) performance is obtained via real-time data transmission. It is shown that Fourier Rotman DM functionality enhances system security performance in terms of narrower decodable low BER region and higher BER values associated with BER sidelobes especially under high signal to noise ratio (SNR) scenarios. This enhancement is achieved by controlled corruption of constellation diagrams in IQ space by orthogonal injection of interference. Furthermore, the paper gives the first report of a functional dual-beam DM transmitter, which has the capability of simultaneously projecting two independent data streams into two different spatial directions while simultaneously scrambling the information signals along all other directions.
Original languageEnglish
Article number285986
JournalInternational Journal of Antennas and Propagation
Volume2015
DOIs
Publication statusPublished - 2015

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