Best Relay Selection using Co-operative Game Theory: MANETs

In this paper, we propose a nearest cooperative Relay Selection based on game theory with a Criteria employing Decode and Forward (DF) Cooperative Protocol. We consider a source and destination network with N intermediate relays which are distributed uniformly within a network coverage area. We assume Flat Rayleigh fading channel with Log-distance path loss model. In our proposal nearest cooperative Relay Selection using game theory we select the relay which is near to assumed Line of Sight (LOS). In general relay selection using game theory has a different approach but we propose a cooperative game theory based relay selection criteria which minimize total transmission time. The new approach opportunistic relay selection criteria before the source transmission, best relay from a group of relays which maximize mutual information capacity is selected for cooperation based game theory transmission. The proposed relay selection criterion was compared with conventional Game theory relay selection and non cooperative relay selection. We analyzed throughput, energy consumption and delay for the proposed system. Analyzed simulation results showed that the proposed nearest cooperative Relay Selection based on game theory consumes less energy and has shortest delay compared to the Conventional Relay Selection methods.