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We propose a method for optimizing the information theoretic secure goodput of a multiple-input multiple-output (MIMO) degraded wiretap channel using inverse precoding. We evaluate the secrecy capacity of this method in terms of secure goodput under various aspects using a standard fading massive MIMO system under the assumption of perfect channel state information (CSI) at the transmitter for the...
We demonstrate asynchronous information transmission through a multimode fiber using different windows of a single spatial light modulator. Our findings pave the way towards individual diffuse optical imaging in deep biological tissue.