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In this paper, a Gaussian Multiple Input Multiple Output Multiple Eavesdropper (MIMOME) channel is considered where a transmitter communicates to a receiver in the presence of an eavesdropper. The authors present a technique for determining the secrecy capacity of the Multiple Input Multiple Output (MIMO) channel under Gaussian noise. They transform the degraded MIMOME channel into multiple Single Input Multiple Output (SIMO) Gaussian wire-tap channels and then use scalar approach to convert it into two equivalent Multiple Input Single Output (MISO) channels. The secrecy capacity model is then developed for the condition where the Channel State Information (CSI) for main channel only is known to the transmitter.
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