Abstract: In this paper, a novel Differentiated Service scheduling algorithm for wireless sensor network based on Directed Diffusion has been introduced. The proposed scheduling scheme called Round Robin Path Scheduling （RRPS）. For RT traffic, RRPS takes into eonsi

Key words: Wireless sensor networks, Directed diffusion, Energy-balanclng, Scheduling algorithm, Differentiated services （DiffServ）, Real-time transmission, QoS