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Characterization of out-phased array linearized signaling (OPALS)

Physical Layer Encryption (PLE) is a new and growing field in communications. In this paper we characterize the performance of the Out-Phased Array Linearized Signaling (OPALS) transmitter, which performs PLE through a novel beamforming transmitter architecture. This characterization is done in hardware and is compared to previous simulation results to determine its efficacy in securing a communication link.