Partition-Based MAC Protocol for Data Gathering in Wireless Sensor Networks
The limited amount of available orthogonal channels and noise interference are two major issues to constrain performances of multi-channel MAC protocols in wireless sensor networks (WSN). In conjunction with features of data gathering networks, a partitioning-based multi-channel MAC protocol is designed. It partitioned network into several subtrees with lower collision factor, without increasing the total value of interference around the whole network. Simulation results show that the proposed MAC protocol can significantly improve throughput, reduce end-to-end latency, and packet loss, especially in dense networks.
KeywordsMAC Multi-channel Wireless sensor networks Network partition
Thanks to the support of the National Natural Science Foundation of China (61063042).
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