Enhancement of the IEEE 802.15.4 MAC protocol for scalable data collection in dense sensor networks

@article{Yedavalli2008EnhancementOT,
  title={Enhancement of the IEEE 802.15.4 MAC protocol for scalable data collection in dense sensor networks},
  author={Kiran Yedavalli and Bhaskar Krishnamachari},
  journal={2008 6th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks and Workshops},
  year={2008},
  pages={152-161}
}
We find that the IEEE 802.15.4 MAC protocol performs poorly for one-hop data collection in dense sensor networks, showing a steep deterioration in both throughput and energy consumption with increasing number of transmitters. We propose a channel feedback-based enhancement to the protocol that is significantly more scalable, showing a relatively flat, slow-changing total system throughput and energy consumption as the network size increases. A key feature of the enhancement is that the back-off… CONTINUE READING
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