... functiondenoted by formula (1) for transmission; the choice ofcooperation thus depends on the utility achieved. If utilitygained from cooperation is higher than utility achieved bynoncooperation, ... outagebehavior,” IEEE Transactions on Information Theory, vol. 50,no. 12, pp. 3062–3080, 2004.[15] J. Rosenm¨uller, Game Theory: Stochastics, Information, Strate-gies and Cooperation, Kluwer Academic ... W(1/pr−λ) f (γrb) denote the utility of the source under the conditionsof direct transmission as well as denote the relay. Morespecially, in the case of noncooperation, the source andrelay...