Low-energy consumption schemes in wireless sensor networks

  • Authors:
  • Nikolaos Pantazis;Dionisis Kandris;Dimitrios D. Vergados

  • Affiliations:
  • Department of Electronics, School of Technological Applications, Technological Educational Institution, of Athens, Athens, Greece;Department of Electronics, School of Technological Applications, Technological Educational Institution, of Athens, Athens, Greece;Department of Information and Communication Systems Engineering, University of the Aegean, Samos, Greece

  • Venue:
  • ICCOM'05 Proceedings of the 9th WSEAS International Conference on Communications
  • Year:
  • 2005

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Abstract

Sensor networks are dense wireless networks consisting of a large number of small-sized, low-cost sensor nodes that are densely deployed either inside the phenomenon or very close to it. Sensor nodes' function is to collect, process, and disseminate critical data while their position need not be engineered or predetermined. This means that sensor network protocols and algorithms must possess self-organizing capabilities. Wireless sensor networks are employed in a vast variety of fields - environment, health, home, civil, military. Sensor nodes have various energy and computational constraints because of their inexpensive nature and ad hoc method of deployment. Considerable research has been focused at overcoming these deficiencies through more low-energy consumption schemes. Three basic schemes have been chosen to be studied in this paper. The motivation of the first scheme is twofold, limiting multi-user interference to increase single-hop throughput and reducing power consumption to prolong battery life. The second scheme focuses on energy-aware routing. The third scheme contributes to dynamically increase the lifetime of the sensor network. The survey attempts to provide an overview of these issues as well as the solutions proposed in recent literature.