Abstract
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.
Original language | English |
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Pages (from-to) | 3900-3904 |
Number of pages | 5 |
Journal | IEEE Transactions on Antennas and Propagation |
Volume | 61 |
Issue number | 7 |
DOIs | |
Publication status | Published - Jul 2013 |