Economic model for 2-hop relaying cellular networks

This paper discusses the economic model for two hop relaying cellular networks. The benefit and cost of relaying is modeled in term of a utility function, which is based on error free data transmission. The benefit takes into account the power spent while the relay is carrying. Use of relays lowers the power in the cellular system, thereby lowering the signal to interference ratio. The benefit also involves overcoming dead spots due to relays. Finally for mobile and relay, choice of model parameters formulates a non-collaborative game to maximize their utility and their strategy gives Nash equilibrium. The utility function can also be used as a criterion to choose relays.