Abstract
For data collection application in wireless sensor networks, it is a hard task to guarantee interference-aware slot assignment in distributed TDMA scheduling algorithm. This paper proposed a new scheduling algorithm based on the collaboration of nodes to resolve the slot collision when nodes try to assign slots to them. The time of network initialization is divided into rounds. The collaboration consisted of three phases: REQ, REPLY, and ACK is used to guarantee the interference-aware slot assignment during each round. The slot information is exchanged when node execute collaboration. We evaluate the performance of our algorithm by using NS2. The results indicate that our algorithm has better packet receive ratio and energy efficiency than existing algorithm.
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