Trust-based duopoly secure game models for cooperative relay networks Online publication date: Fri, 11-Mar-2022
by Khyati Chopra; Akanksha Sondhi; M. Afshar Alam
International Journal of Internet Technology and Secured Transactions (IJITST), Vol. 12, No. 2, 2022
Abstract: In a cooperative communication relay network, secure data transmission from source to the intended destination via relay nodes is an important issue. The eavesdropper or an adversary could tap the information from the link and hence maintaining secrecy is crucial. For confidential communication, we have taken into account the degree of trust, which would indeed help the source to select the best relay for forwarding data more efficiently and reliably without concerning on the eavesdropping attack. Also, unlike other works till date, we have developed duopoly game secure models to corroborate that the relay's profit gets higher with higher degree of trust in cooperative relay network. The utility of relays is evaluated for various duopoly-economic game modelling schemes and it is shown that there is decrease in the profit of relays with higher relay to eavesdropper SNR. We have demonstrated that the strategic variable choice as price or output in an oligopoly market theory, can dramatically impact the Nash outcome.
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