WO2007136925B1 - System and method for increased battery saving during idle mode in a wireless communication system - Google Patents

System and method for increased battery saving during idle mode in a wireless communication system

Info

Publication number
WO2007136925B1
WO2007136925B1 PCT/US2007/064904 US2007064904W WO2007136925B1 WO 2007136925 B1 WO2007136925 B1 WO 2007136925B1 US 2007064904 W US2007064904 W US 2007064904W WO 2007136925 B1 WO2007136925 B1 WO 2007136925B1
Authority
WO
WIPO (PCT)
Prior art keywords
channel descriptor
uplink channel
transmission
downlink channel
time
Prior art date
Application number
PCT/US2007/064904
Other languages
French (fr)
Other versions
WO2007136925A3 (en
WO2007136925A9 (en
WO2007136925A2 (en
Inventor
Vijay G Subramanian
Anand S Bedekar
Stavros Tzavidas
Original Assignee
Motorola Inc
Vijay G Subramanian
Anand S Bedekar
Stavros Tzavidas
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 Motorola Inc, Vijay G Subramanian, Anand S Bedekar, Stavros Tzavidas filed Critical Motorola Inc
Priority to EP07759358.0A priority Critical patent/EP2025066B1/en
Priority to CN2007800180430A priority patent/CN101449618B/en
Publication of WO2007136925A2 publication Critical patent/WO2007136925A2/en
Publication of WO2007136925A3 publication Critical patent/WO2007136925A3/en
Publication of WO2007136925B1 publication Critical patent/WO2007136925B1/en
Publication of WO2007136925A9 publication Critical patent/WO2007136925A9/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • 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

A method and information processing system for wirelessly transmitting at least one of a downlink channel descriptor and an uplink channel descriptor for reception by at least one wireless device (104). The method comprises selecting at least one transmission time for transmitting a pointer that indicates a transmission time for a DCD and/or a UCD. The pointer is transmitted at a time between a first transmission and a second transmission of the at least one of downlink channel descriptor and uplink channel descriptor. The transmission time is selected to reduce a time interval for the at least one wireless device (104) to search for the at least one of the DCD and UCD. Also, a message that includes DCD information and/or UCD information associated with at least one neighboring cell can also be chosen to transmit at specifically chosen times to the at least one wireless device (104).

Claims

AMENDED CLAIMS received by the International Bureau on 13 August 2008(13.08.2008)
1. /v mexnoα, witn a wireless communication system, for wireJessly transmitting at least one of a downlink channel descriptor and an uplink channel descriptor for reception by at least one wireless device, the method comprising: selecting at least one transmission time for transmitting, for reception by at least one wireless device, at least one of:
a pointer indicating a transmission time for at least one of a downlink channel descriptor and an uplink channel descriptor, wherein the pointer is transmitted at a time, between a first transmission and a second transmission of the at least one of downlink channel descriptor and uplink channel descriptor, selected to reduce a time interval for the at least one wireless device to search for the at least one of the downlink channel descriptor and uplink channel descriptor; and a message including downlink channel descriptor information and uplink channel descriptor information associated with at least one neighboring cell, wherein the message is transmitted during the time between the first transmission and the second transmission of the at least one of downlink channel descriptor and uplink channel descriptor.
2. The method of claim 1, wherein the time between the first transmission and the second transmission of the at least one of downlink channel descriptor and uplink channel
descriptor corresponds to a paging listening interval associated with a home paging group.
i
3. The method of claim 1, wherein choosing specific transmission time of the message further comprises: transmitting the message during a paging listening interval associated with a home paging group.
4. The method of claim 1, wherein the message is transmitted between the first transmission and the second transmission of the at least one of downlink channel descriptor and uplink channel descriptor, at substantially any of the following times: a 1/3 point in time between the first transmission and the second transmission of the at least one of downlink channel descriptor and uplink channel descriptor; a mid-point in time therebetween; and a 2/3 point in time therebetween.
5. The method of claim 1 , further comprising: determining at least one of offset parameters and cycle parameters for at least one neighboring paging group.
6. A method, with a wireless device, for receiving at least one of a downlink channel descriptor and an uplink channel descriptor, the method comprising, receiving a pointer indicating a transmission time of at least one of a downlink channel descriptor and an uplink channel descriptor; ceasing to monitor for the at least one of the downlink channel descriptor and uplink channel descriptor in response to receiving the pointer; determining if the transmission time for the least one of the downlink channel descriptor and the uplink channel descriptor has occurred; monitoring, in response to the transmission time being determined to have occurred, for reception of the at least one of the downlink channel descriptor and the uplink channel descriptor; determining, in response to receiving the at least one of the downlink channel descriptor and the uplink channel descriptor, a new time interval between transmissions of the at least one of the downlink channel descriptor and the uplink channel descriptor; and receiving a message including at least one of a downlink channel descriptor and uplink channel descriptor information at a time of transmission of the at least one of the downlink channel descriptor and the uplink channel descriptor associated with a neighboring paging group.
7. A method, with a wireless device, for receiving at least one of a downlink channel descriptor and an uplink channel descriptor, the method comprising, receiving a pointer indicating a transmission time of at least one of a downlink channel descriptor and an uplink channel descriptor; ceasing to monitor for the at least one of the downlink channel descriptor and uplink channel descriptor in response to receiving the pointer; determining if the transmission time for the least one of the downlink channel descriptor and the uplink channel descriptor has occurred; monitoring, in response to the transmission time being determined to have occurred, for reception of the at least one of the downlink channel descriptor and the uplink channel descriptor; determining, in response to receiving the at least one of the downlink channel descriptor and the uplink channel descriptor, a new time interval between transmissions of the at least one of the downlink channel descriptor and the uplink channel descriptor; and entering into at least one neighboring cell; determining, based on the channel descriptor and uplink channel descriptor information received in the message, that a location update function needs to be performed; and performing the location update function in response to the determination.
8. An information processing system in a wireless communication system for wirelessly transmitting at least one of a downlink channel descriptor and an uplink channel descriptor for reception by at least one wireless device, the information processing system comprising: at least one processing unit; a memory communicatively coupled to the at least one processing unit; and a transmitter communicatively coupled to the memory and the at least one processing unit, the transmitter for selecting at least one transmission time, whereupon the transmitter transmits, for reception by at least one wireless device, at least one of: a pointer indicating a transmission time for at least one of a downlink channel descriptor and an uplink channel descriptor, wherein the pointer is transmitted at a time, between a first transmission and a second transmission of the at least one of downlink channel descriptor and uplink channel descriptor, selected to reduce a time interval for the at least one wireless device to search for the at least one of the downlink channel descriptor and uplink channel descriptor; and a message including downlink channel descriptor information and uplink channel descriptor information associated with at least one neighboring cell, wherein the message is transmitted during the time between the first transmission and the second transmission of the at least one of downlink channel descriptor and uplink channel descriptor.
9. The information processing system of claim 8, wherein the transmitter transmits the pointer during a paging listening interval associated with a home paging group.
10. The information processing system of claim 8, wherein the transmitter transmits the message during a paging listening interval associated with at least one neighboring paging group.
PCT/US2007/064904 2006-05-18 2007-03-26 System and method for increased battery saving during idle mode in a wireless communication system WO2007136925A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07759358.0A EP2025066B1 (en) 2006-05-18 2007-03-26 System and method for increased battery saving during idle mode in a wireless communication system
CN2007800180430A CN101449618B (en) 2006-05-18 2007-03-26 System and method for increased battery saving during idle mode in a wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/436,242 US7471942B2 (en) 2006-05-18 2006-05-18 System and method for increased battery saving during idle mode in a wireless communication system
US11/436,242 2006-05-18

Publications (4)

Publication Number Publication Date
WO2007136925A2 WO2007136925A2 (en) 2007-11-29
WO2007136925A3 WO2007136925A3 (en) 2008-09-12
WO2007136925B1 true WO2007136925B1 (en) 2008-10-30
WO2007136925A9 WO2007136925A9 (en) 2008-12-31

Family

ID=38712561

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/064904 WO2007136925A2 (en) 2006-05-18 2007-03-26 System and method for increased battery saving during idle mode in a wireless communication system

Country Status (5)

Country Link
US (1) US7471942B2 (en)
EP (1) EP2025066B1 (en)
KR (1) KR101045483B1 (en)
CN (1) CN101449618B (en)
WO (1) WO2007136925A2 (en)

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US20090213795A1 (en) * 2008-02-22 2009-08-27 Futurewei Technologies, Inc. Communication of Access Information in Wireless Communication System
US8264994B2 (en) * 2008-02-29 2012-09-11 Futurewei Technologies, Inc. Method for supporting paging and deep sleep with multiple radio interfaces
US8311030B2 (en) * 2008-03-10 2012-11-13 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced cell scanning
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US8917695B2 (en) * 2008-09-17 2014-12-23 Qualcomm Incorporated Methods and systems for parallel acquisition of system information from multiple base stations
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US8423092B2 (en) * 2008-12-12 2013-04-16 Qualcomm Incorporated Power management in a mobile device
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Also Published As

Publication number Publication date
CN101449618B (en) 2011-04-13
CN101449618A (en) 2009-06-03
EP2025066B1 (en) 2016-10-12
WO2007136925A3 (en) 2008-09-12
EP2025066A4 (en) 2013-01-16
KR20090008350A (en) 2009-01-21
EP2025066A2 (en) 2009-02-18
WO2007136925A9 (en) 2008-12-31
US7471942B2 (en) 2008-12-30
US20070270118A1 (en) 2007-11-22
WO2007136925A2 (en) 2007-11-29
KR101045483B1 (en) 2011-06-30

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