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The Secrecy Capacity of the Semi-deterministic Wiretap Channel with Three State Information

Authors:
Mustafa El-Halabi

Keywords: Wiretap channel, state information, secrecy capacity, random binning, time-sharing.

Abstract:
Exploiting the channel state knowledge can play a fundamental role in improving security, hence a wiretap channel model with distinct channel state information is considered. In particular, it is assumed that the channel between the transmitter, the legitimate receiver and the eavesdropper is a function of three different states. One of the states is an unknown state, the second one is known to the legitimate receiver and the third state is non-causally known to the encoder. For this setting, a secrecy rate is shown to be achieved using a coding scheme based on structured binning in conjunction with a time-sharing argument. The secrecy capacity for this model is established for the specific case when the legitimate receiver’s observation is a deterministic function of the the channel input and the states.

Pages: 28 to 32

Copyright: Copyright (c) IARIA, 2016

Publication date: November 13, 2016

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-514-2

Location: Barcelona, Spain

Dates: from November 13, 2016 to November 17, 2016