A shortest time first scheduling mechanism for reducing the total power consumptions of an IEEE 802.11 multiple rate ad hoc network

Weikuo Chu*, Yu-Chee Tseng

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Power management is one of the most important issues in mobile communications. Much research has been done in reducing wireless station's power consumptions. IEEE 802.11 addresses this issue by adopting a MAC layer active-doze Power Saving Mechanism. In an 802.11 ad hoc network, this Power Saving Mechanism works as follows. Any wireless station with data to send must first announce its traffic and then contends for the channel with other stations for data transmissions, all based on the DCF protocol. Stations not involved in any data transmissions can go to the doze mode to conserve energy. In this paper, we first show that this mechanism has the problem of power management inefficiency when used in a multiple rate ad hoc network. We then propose a novel scheduling mechanism, STFS, to reduce the total power consumptions of the wireless stations in the network. Simulation results show that the proposed scheduling mechanism does have better performance than that of 802.11 PSM.

Original languageEnglish
Title of host publicationEmbedded and Ubiquitous Computing - International Conference, EUC 2007, Proceedings
Pages25-32
Number of pages8
DOIs
StatePublished - 1 Dec 2007
EventInternational Conference on Embedded and Ubiquitous Computing, EUC 2007 - Taipei, Taiwan
Duration: 17 Dec 200720 Dec 2007

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume4808 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

ConferenceInternational Conference on Embedded and Ubiquitous Computing, EUC 2007
CountryTaiwan
CityTaipei
Period17/12/0720/12/07

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  • Cite this

    Chu, W., & Tseng, Y-C. (2007). A shortest time first scheduling mechanism for reducing the total power consumptions of an IEEE 802.11 multiple rate ad hoc network. In Embedded and Ubiquitous Computing - International Conference, EUC 2007, Proceedings (pp. 25-32). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 4808 LNCS). https://doi.org/10.1007/978-3-540-77092-3_3