Power-saving protocols for IEEE 802.11-based multi-hop ad hoc networks

Yu-Chee Tseng, Chih Shun Hsu, Ten Yueng Hsieh

Research output: Contribution to journalArticlepeer-review

329 Scopus citations


Power-saving is a critical issue for almost all kinds of portable devices. In this paper, we consider the design of power-saving protocols for mobile ad hoc networks (MANETs) that allow mobile hosts to switch to a low-power sleep mode. The MANETs being considered in this paper are characterized by unpredictable mobility, multi-hop communication, and no clock synchronization mechanism. In particular, the last characteristics would complicate the problem since a host has to predict when another host will wake up to receive packets. We propose three power management protocols, namely dominating-awake-interval, periodically-fully-awake-interval, and quorum-based protocols, which are directly applicable to IEEE 802.11-based MANETs. As far as we know, the power management problem for multi-hop MANETs has not been seriously addressed in the literature. Existing standards, such as IEEE 802.11, HIPERLAN, and bluetooth, all assume that the network is fully connected or there is a clock synchronization mechanism. Extensive simulation results are presented to verify the effectiveness of the proposed protocols.

Original languageEnglish
Article number22
Pages (from-to)200-209
Number of pages10
JournalProceedings - IEEE INFOCOM
StatePublished - 1 Jan 2002


  • IEEE 802.11
  • Mobile ad hoc network (MANET)
  • Power management
  • Power saving
  • Wireless communication

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