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The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm
Published on: October 20, 2022
Confidential Cooperative Communication with the Trust Degree of Jammer
Mingxiong Zhao1,2, Di Liu1, Hui Gao3
1National Pilot School of Software, Yunnan University, Kunming 650504, China.
Abstract:
In this paper, we consider the trust degree of a jammer, defined as the probability that the jammer cooperates to secure the legitimate transmission, and investigate its influence on confidential cooperative communication. According to the trust degree, we derive the closed-form optimal transmit signal-to-noise ratio (SNR) of the confidential message, ρ c ⋆ , to maximize the expected secrecy rate, and further obtain the relationship between ρ c ⋆ and the trust degree associated with the transmit SNR at the transmit user and channel gains. Simulation results demonstrate that the trust degree has a great effect on the transmit SNR of the confidential message and helps improve the performance of confidential cooperation in terms of the expected secrecy rate.
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