Power-efficient location-based cooperative routing in wireless networks

A power-efficient location-based cooperative routing (PLCR) algorithm is proposed to reduce the overall power for routing in wireless networks. With theoretical analysis, by means of a cooperative relay, the probability of successful packet reception can be increased, and the overall power for routing can be reduced, given the outage probability of the link constrained at a certain target level. PLCR algorithm uses the location information of nodes to select the optimum next-hop node and cooperative node hop by hop with minimum power so that the cooperative route with minimum overall power from source to destination can be set up. Simulation results show that, compared with non-cooperative routing algorithm, PLCR routing algorithm can significantly reduce the overall power.