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MIMOME channel secrecy capacity

conference contribution
posted on 2023-02-03, 04:43 authored by M R Islam, J Kim, Md Shamsul Arefin
Although conventional cryptographic security mechanisms are essential to the overall problem of security, the openness of wireless medium poses both threats and opportunities for securing transmission. Information theoretic security is attracting researchers for its robust nature. In this paper, a Gaussian multiple input multiple output multiple eavesdropper (MIMOME) channel is considered where a transmitter is communicating to a receiver in the presence of an eavesdropper. The transmitter is equipped with multiple antennas, while the receiver and the eavesdropper also contains multiple antennas. We present a technique for determining the secrecy capacity of the MIMO channel under Gaussian noise. To do so, we transform the channel into multiple single input multiple output (SIMO) Gaussian wiretap channel and then use scalar approach using standard techniques of communications theory. Then we consider the effect of fading and found out the limiting values of the secrecy capacity. © 2008 IEEE.

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Pagination

387 - 392

ISBN-13

9781424421367

Title of proceedings

Proceedings of 11th International Conference on Computer and Information Technology, ICCIT 2008

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