WO2007092423A8 - Power save system and method - Google Patents

Power save system and method

Info

Publication number
WO2007092423A8
WO2007092423A8 PCT/US2007/003113 US2007003113W WO2007092423A8 WO 2007092423 A8 WO2007092423 A8 WO 2007092423A8 US 2007003113 W US2007003113 W US 2007003113W WO 2007092423 A8 WO2007092423 A8 WO 2007092423A8
Authority
WO
WIPO (PCT)
Prior art keywords
cycle start
global cycle
global
start time
neighbor
Prior art date
Application number
PCT/US2007/003113
Other languages
French (fr)
Other versions
WO2007092423A1 (en
Inventor
Alaa Hilal Muqattash
Ghobad Heidari-Bateni
Original Assignee
Olympus Comm Technology Of Ame
Alaa Hilal Muqattash
Ghobad Heidari-Bateni
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Olympus Comm Technology Of Ame, Alaa Hilal Muqattash, Ghobad Heidari-Bateni filed Critical Olympus Comm Technology Of Ame
Priority to JP2008553406A priority Critical patent/JP2009526437A/en
Publication of WO2007092423A1 publication Critical patent/WO2007092423A1/en
Publication of WO2007092423A8 publication Critical patent/WO2007092423A8/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

According to an embodiment of the invention, a system and method to provide alignment of hibernation and active cycles is provided. When one device receives a beacon from one of its neighbors it can be implemented to check for the neighboring device's global cycle start countdown value and to compare it's global cycle start countdown value with its own. If the beacon from the neighboring device contains a global cycle start countdown value that is different from the device's own global cycle start countdown, the device can be implemented to check a predefined condition. For example, if a device's global cycle start time falls into the first half of a neighbor's global cycle, then the device changes its own global cycle start time to the global cycle start time of that neighbor. In another embodiment, if a device's global cycle start time falls into the first 256/K superframes of a neighbor's global cycle, then the device changes its own global cycle start time to the global cycle start time of that neighbor. In one embodiment, K can be the number of different global active cycle start times observed by the device.
PCT/US2007/003113 2006-02-06 2007-02-06 Power save system and method WO2007092423A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008553406A JP2009526437A (en) 2006-02-06 2007-02-06 Power saving system and method

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US76598006P 2006-02-06 2006-02-06
US60/765,980 2006-02-06
US77551806P 2006-02-21 2006-02-21
US60/775,518 2006-02-21
US82511006P 2006-09-08 2006-09-08
US60/825,110 2006-09-08
US82874306P 2006-10-09 2006-10-09
US60/828,743 2006-10-09

Publications (2)

Publication Number Publication Date
WO2007092423A1 WO2007092423A1 (en) 2007-08-16
WO2007092423A8 true WO2007092423A8 (en) 2007-09-27

Family

ID=38069294

Family Applications (3)

Application Number Title Priority Date Filing Date
PCT/US2007/003113 WO2007092423A1 (en) 2006-02-06 2007-02-06 Power save system and method
PCT/US2007/003114 WO2007092424A1 (en) 2006-02-06 2007-02-06 Power save system and method
PCT/US2007/003323 WO2007136435A2 (en) 2006-02-06 2007-02-06 Power management

Family Applications After (2)

Application Number Title Priority Date Filing Date
PCT/US2007/003114 WO2007092424A1 (en) 2006-02-06 2007-02-06 Power save system and method
PCT/US2007/003323 WO2007136435A2 (en) 2006-02-06 2007-02-06 Power management

Country Status (4)

Country Link
US (3) US8135427B2 (en)
EP (1) EP1982474A1 (en)
JP (3) JP2009526437A (en)
WO (3) WO2007092423A1 (en)

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Also Published As

Publication number Publication date
US7920504B2 (en) 2011-04-05
WO2007136435A3 (en) 2008-04-10
US8135427B2 (en) 2012-03-13
JP2009526437A (en) 2009-07-16
EP1982474A1 (en) 2008-10-22
WO2007092424A1 (en) 2007-08-16
US20070184870A1 (en) 2007-08-09
WO2007136435A2 (en) 2007-11-29
JP2009526439A (en) 2009-07-16
US20070184809A1 (en) 2007-08-09
US20070197186A1 (en) 2007-08-23
WO2007092423A1 (en) 2007-08-16
US7751357B2 (en) 2010-07-06
JP2009526438A (en) 2009-07-16

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