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A NEW LOOK AT SECRECY CAPACITY OF MIMOME USING ARTIFICIAL NOISE FROM ALICE AND BOB WITHOUT KNOWLEDGE OF EVE'S CSI
This study investigates a secure wireless communication
scheme which combines two of the most effective strategies
to combat (passive) eavesdropping, namely mixing information
with artificial noise at the transmitter and jamming from a
full-duplex receiver. All nodes are assumed to possess multiple
antennas, which is known as a MIMOME network. The channel
state information (CSI) of Eve is known to Eve but not to
Alice and Bob. While such setup has been investigated in related
works, new and important insights are revealed in this work. We
investigate the design of optimal jamming parameters to achieve
higher secrecy, and in particular we focus on two important cases
corresponding to Bob using either a simple jamming or a smart
jamming. Furthermore, simulations are presented to highlight
the effectiveness of the proposed strategies