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Sidelobe Modulation Scrambling Transmitter Using Fourier Rotman Lens

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3 Author(s)
Yunhua Zhang ; Inst. of Electron., Commun. & Inf. Technol. (ECIT), Queen's Univ. of Belfast, Belfast, UK ; Yuan Ding ; Fusco, V.

A means for scrambling the digital modulation content in the sidelobes of a radio transmission from a steerable antenna array is presented. The method uses a Fourier transform beam-forming network simultaneously excited by an RF information stream and orthogonally injected interference streams. The proposed system is implemented using a Fourier Rotman lens and its operational characteristics are validated for a 10 GHz QPSK transmission.

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Antennas and Propagation, IEEE Transactions on  (Volume:61 ,  Issue: 7 )