NDLI: Optimal fully adaptive power management protocols for IEEE 802.11 ad hoc wireless LANs

Content Provider	IEEE Xplore Digital Library
Author	Zi-Tsan Chou Ming-Luen Wu Yu-Hsiang Lin Rong-Hong Jan
Copyright Year	2008
Description	Author affiliation: Dept. of Math., Nat. Kaohsiung Normal Univ., Kaohsiung, Taiwan (Ming-Luen Wu) \|\| Dept. of Comput. Sci., Nat. Chiao-Tung Univ., Hsinchu, Taiwan (Rong-Hong Jan) \|\| Networks & Multimedia Inst., Taipei, Taiwan (Yu-Hsiang Lin) \|\| Dept. of Electr. Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan (Zi-Tsan Chou)
Abstract	In an IEEE 802.11 ad hoc wireless LAN, the listen interval (LI) of a power-saving (PS) station should be fixed at one even there is no data traffic or its remaining battery power is low. However, if the value of LI is allowed more than two (in units of beacon interval), 802.11 power management may completely fail. In this paper, we propose a novel power management protocol, named OFPM, which not only equips a PS station with dynamic LI adjustment ability, but also conquers the following problems: (i) the possibly forever loss of ATIM frames, (ii) the waste of futile ATIM frames, and (iii) neighbor maintenance problem. Above all, OFPM has the following attractive features. (i) Given the maximum value of LI, $L_{max},$ the number of tunable LIs is $L_{max}.$ (ii) For all LIs, the number of awake beacon intervals in an LI is minimal. (iii) The time complexity of OFPM neighbor maintenance is constant. (iv) By using our newly designed factor-hereditary quorum space technique, OFPM ensures that two PS neighbors can discover each other in finite time regardless of their offset and their individual LIs. (v) A closed-loop LI adjustment scheme is proposed such that a PS station can adaptively adjust its LI according to flow timeliness requirements. Via analyses and simulations, we show that OFPM significantly outperforms AQEC, the most energy-conserving protocol to date, in terms of adaptiveness, futile ATIM-frame ratio, and energy throughput.
Starting Page	416
Ending Page	420
File Size	196409
Page Count	5
File Format	PDF
ISBN	9781424424887
DOI	10.1109/ISWCS.2008.4726089
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-21
Publisher Place	Iceland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Wireless LAN Wireless application protocol Engineering management Battery management systems Bismuth Media Access Protocol Computer industry Mathematics Energy management
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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