Energy-efficient scheduling protocols for wireless sensor networks

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6 Scopus citations

Abstract

We consider the problem of minimizing the energy needed for data fusion in a large scale sensor network by varying the transmission times assigned to different sensor nodes. The optimal scheduling protocol is derived, based on which, we develop a low-complexity inverse-log scheduling algorithm that achieves near-optimal energy efficiency. To eliminate the communication overhead required by centralized scheduling protocols, we also develop a distributed inverse-log protocol that is applicable to networks with a large number of nodes. Simulations demonstrate that this distributed scheduling protocol achieves substantial energy savings over uniform time division multiple access protocol.

Original languageEnglish (US)
Article numberWC29-3
Pages (from-to)2759-2763
Number of pages5
JournalIEEE International Conference on Communications
Volume4
StatePublished - Sep 12 2005
Event2005 IEEE International Conference on Communications, ICC 2005 - Seoul, Korea, Republic of
Duration: May 16 2005May 20 2005

Keywords

  • Distributed scheduling
  • Energy efficiency
  • Fading channels
  • Sensor networks
  • Wireless communications

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