Green Wave: Latency and Capacity-Efficient Sleep Scheduling for Wireless Networks

  title={Green Wave: Latency and Capacity-Efficient Sleep Scheduling for Wireless Networks},
  author={Saikat Guha and Chi-Kin Chau and Prithwish Basu},
  journal={2010 Proceedings IEEE INFOCOM},
While scheduling the nodes in a wireless network to sleep periodically can save energy, it also incurs higher latency and lower throughput. We consider the problem of designing optimal sleep schedules in wireless networks, and show that finding sleep schedules that can minimize the latency over a given subset of source-destination pairs is NP-hard. We also derive a latency lower bound given by d + O(1/p) for any sleep schedule with a required active rate (i.e., the fraction of active slots of… CONTINUE READING
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Green wave: Latency and c pacityefficient sleep scheduling for wireless networks

  • S. Guha, P. Basu, C.-K. Chau
  • Compute r Laboratory, University of Cambridge…
  • 2009
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