Energy saving and capacity improvement potential of power control in multi-hop wireless networks

  • Authors:
  • Jeffrey Monks;Jean-Pierre Ebert;Wen-Mei W. Hwu;Adam Wolisz

  • Affiliations:
  • University of Illinois, Urbana-Champaign, IL;Telecommunication Networks Group, Technical University Berlin, Sekr. FT5-2, Berlin 10587, Germany;University of Illinois, Urbana-Champaign, IL;Telecommunication Networks Group, Technical University Berlin, Sekr. FT5-2, Berlin 10587, Germany

  • Venue:
  • Computer Networks: The International Journal of Computer and Telecommunications Networking - Mobile and ad hoc local networks
  • Year:
  • 2003

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Abstract

This study investigates the potential of using transmission power control in wireless packet networks with differing number of hops between source and destination nodes. Here we exploit the benefits of power control in the context of multi-hop wireless ad hoc type networks with a distributed media access control. For our investigations we choose several general ad hoc network topologies and study the effects of power control with respect to energy consumption and network capacity, We show that power control largely improves the network capacity and energy savings in all investigated scenarios, and that utilizing a greater number of intermediate hops between source and destination nodes improves the energy savings though may cause a tradeoff in capacity, depending on the network topology considered.