NETE Secrecy Capacity Bounds Analysis for Physical Layer Security based on Game Theory

Abstract

A wireless communication aided with Cooperative
Jamming in order to enhance Physical Layer security is modeled
with Game Theory, using Secrecy Capacity as payment function.
To completely take in account the inherent randomness of the
wireless channel, a Second Order Cone Programming
deterministic equivalent is derived from the game resulting
probabilistic optimization problem. Results show how upper and
lower bounds of the secrecy capacity, associated to the game
values, can be used to characterize the system. Suggested mixed
strategies are implemented and compared with pure strategies,
and it’s shown that performance of mixed strategies, in terms of
outage probability, lays exactly between the performances of pure
strategies.