WO2004097447A1 - Systeme et methode pour gerer la consommation d'energie d'un dispositif de tracage - Google Patents

Systeme et methode pour gerer la consommation d'energie d'un dispositif de tracage Download PDF

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Publication number
WO2004097447A1
WO2004097447A1 PCT/NO2004/000122 NO2004000122W WO2004097447A1 WO 2004097447 A1 WO2004097447 A1 WO 2004097447A1 NO 2004000122 W NO2004000122 W NO 2004000122W WO 2004097447 A1 WO2004097447 A1 WO 2004097447A1
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WO
WIPO (PCT)
Prior art keywords
tracking device
management system
tracking
settings
previous
Prior art date
Application number
PCT/NO2004/000122
Other languages
English (en)
Inventor
Sune Jakobsson
Steinar Brede
Original Assignee
Telenor Asa
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 Telenor Asa filed Critical Telenor Asa
Publication of WO2004097447A1 publication Critical patent/WO2004097447A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/01—Determining conditions which influence positioning, e.g. radio environment, state of motion or energy consumption
    • G01S5/019—Energy consumption
    • 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

Definitions

  • the present invention is related to power conserving in mobile devices, particularly mobile devices for position tracking.
  • Tracking of items or objects is a subject of great interest in modern industry. A complete survey of the positions of non-stationary objects may provide a considerable contribution to a preferred competitive advantage and improved operational efficiency. Examples of items and objects that could benefit from tracking are containers, reusable packaging, vehicles, rental articles, distributed commodities etc.
  • the tracking and/or position reporting itself may be provided by features in modern cellular communication networks like GSM.
  • GSM devices are becoming widespread in Europe and other parts of the world.
  • the GSM system is capable of tracking the location of the terminals switched on and attached to the mobile network. This is utilized by the mobile operators to provide several positioning services to the users, not only through regular subscriptions and cellular phones, but also to stand-alone devices connected to the mobile network only for the purpose of position tracking of objects. This could be useful, e.g. in logistics and traffic monitoring.
  • An example is simple mobile devices attached to containers for monitoring the position of each container at any time.
  • the positioning devices are either at rest or under transportation. When at rest, they do not have to report their geographical location. Strictly speaking, positions only have to be reported in motion.
  • US patent 6,236,358 discloses a tracking device for pets.
  • the device is arranged to find its position with a GPS receiver, and report this position to a base station via a paging system.
  • the device may employ one of several different power conservation methods mentioned, e.g. using a timer that activates the device at regular intervals, or the base station activating the device by sending an interrogation signal, or the device being activated when the pet crosses an "electronic border line" . This is fixed activation modes that once and for all are programmed into the device.
  • the object of the present invention is to provide a power conserving management system for managing tracking devices and a method thereto.
  • the present invention discloses a power conserving management system managing the power consumption of one or more tracking devices, wherein said devices are capable of operating in an active mode and a resting mode.
  • Each tracking device has an integrated mobile terminal part compatible with a mobile communication network. In the resting mode the device is set to consume a minimum of power, and the integrated mobile terminal is switched off. In the active mode the integrated mobile terminal is switched on and the location of the device is reported to the management system over the mobile communication network.
  • the tracking devices are capable of being programmed to go from a resting mode to an active mode at regular intervals or at a given time.
  • the tracking devices also include a motion detector, such as an accelerometer, capable of bringing the device from a resting mode to an active mode when the device has been at rest and is then moved.
  • the management system is connected to the mobile communication network and capable of receiving and storing location information for each associated tracking device, as well as information regarding the state and programming of each device.
  • the management system is also capable of sending commands or instructions to the tracking device in order to change the configuration of the device in accordance with various criteria that e.g. may be defined by a user or operator.
  • Fig. 1 is an overview of a position tracking case according to the method of the present invention.
  • the present invention may utilise the existing functionalities in any mobile communication system providing position tracking, or any combination of a communication network and a positioning system that together provide similar capabilities. In the following, however, the description will concentrate on the GSM environment .
  • positioning devices at least adjusted to act as an identifiable GSM device in a GSM network, are used.
  • the devices do not have to be complete cellular GSM phones with a key pad, speaker, microphone and display, but a GSM transmitter/receiver and GSM circuits enabling the device to communicate with and be identifiable to the GSM network is required.
  • the devices may also be able to receive and send messages using bearers like SMS, CSD or GPRS or other messaging facilities.
  • the power consumption of the positioning devices is managed by the power conserving management system according to the invention.
  • each positioning device is provided with a movement detector, capable of bringing the device from a resting mode to an active mode when the device has been at rest and is then moved.
  • Each device should also comprise a timer programmed to bring the tracking device from a resting mode to an active mode at regular intervals or at a given time.
  • the detector may be integrated in the positioning device related and, e.g., related to a GPS receiver, or it may be implemented as a plain movement detector, such as an accelerometer. If the positioning device is not equipped with separate positioning equipment, positions may be obtained from positioning services present in the communication network or by using location information that can be derived from the communication between the GSM device and the communication network. In case of GSM, the position of a mobile device is usually determined by a combination of known position (s) of the attached Base Station (s) and Timing Advanced (TA) .
  • TA Timing Advanced
  • a tracking device will operate in one of at least two modes .
  • the movement detector and/or the timer will determine this mode, based on settings received from the management system.
  • the two modes in which the positioning device may be are as follows:
  • Tracking mode The positioning device is reporting its position to the network, and it is capable of receiving settings or other instructions from the network. In this mode the GSM part of the terminal is switched on. After a while in active mode the device is again switched off, entering resting mode, either as a result of a time out, as a result of a command received from the network, or simply as a result of having performed all tasks associated with a period of being active.
  • Resting mode The positioning device is at rest, and positions are not reported.
  • the GSM part of the terminal is switched off for power conserving.
  • the positioning device is configured to switch the GSM part on (enter active mode) periodically and/or as a result of being moved, as determined by the movement detector. Activation by the movement detector can be disabled if the terminal is being transported, as described below.
  • the power conserving management system must now be able to change the settings of the tracking devices in accordance with the information received from the tracking device.
  • Fig. 1 illustrates a position tracking case according to the invention.
  • the management system 1 is connected to the GSM network 2 and is capable of communicating with tracking devices that are in an active mode. Received positional data, along with data representing the settings of each device, is stored in a database 3.
  • the management system may be accessed by an operator using a terminal or computer 4.
  • a tracking device 5 located at position 10 is moved, and it is thereby brought into active mode by its movement detector (not shown) .
  • the device While in active mode the device communicates with the GSM network 2 over base stations 6.
  • the position of the device can be found based on positional data available in the network, as described above, and the management system retrieves this information from the network.
  • the device may comprise a GPS receiver, and the device transmits its position directly to the management system 1.
  • the tracking device 5 is at rest for at least 30 minutes at position 16.
  • the management system 1 receives a number of consecutive reports from the same position, it will conclude that the device is at rest, and it may change the settings of the device.
  • the new settings may be that the device should only report its position every six hours, or when it again is moved.
  • the management system 1 keeps track of the mode and the positions of each positioning device. Based on received positional information, the management system is capable of determining preferred settings for each device that, according to some metric, are considered an optimal compromise between power conservation and the need for updated positional information.
  • the management system 1 includes communication means capable of receiving positional information regarding a number of tracking devices from a cellular communications network 2 and storing this information in a database 3. Furthermore, the management system 1 includes a processor or some other computing device capable of determining optimal settings for a tracking device based on received positional data regarding this device and some defined metric. According to one embodiment of the invention this determination is based on computations performed by the processor based on computer program instructions stored on a storage means accessible to the processor. Finally, the management system is capable of transmitting these settings over the cellular network 2 to this device.
  • a tracking device that preferably are accessible and capable of being programmed from the management system are the time period between each time the device enters active mode and reports its position, and whether or not the device should enter into active mode as a result of movement detection by the movement detector.
  • the time period between each time the device enters active mode is preferably based on such factors as the speed at which the device is travelling, as computed from the history of received positional data for that device, the extent to which the position of the device deviates from a pre planned route or schedule, or any other factors that can be derived from the previously reported positions or programmed by an operator.

Abstract

L'invention concerne une méthode pour conserver de l'énergie électrique dans des dispositifs mobiles. Un dispositif de traçage de position présentant une partie de terminal mobile intégrée est équipé d'un détecteur de mouvement et d'une minuterie, gérés par un système de gestion de conservation d'énergie. Ce dispositif peut se présenter sous au moins deux modes: un mode de traçage de position et un mode de repos. Lorsque le dispositif est en mode de traçage de position, la partie de terminal mobile est commutée pour être activée et elle rapporte périodiquement les positions du dispositif de traçage de position. Lorsque le dispositif est en mode de repos, la partie de terminal mobile est commutée pour être désactivée pour conserver l'énergie de la batterie. La commutation du mode de traçage de position au mode de repos s'effectue lorsqu'aucun mouvement n'a été détecté par le détecteur de mouvement, pendant une période prédéfinie, mesurée par la minuterie, et la commutation du mode de repos au mode de traçage s'effectue lorsque le détecteur de mouvement détecte un mouvement.
PCT/NO2004/000122 2003-04-29 2004-04-29 Systeme et methode pour gerer la consommation d'energie d'un dispositif de tracage WO2004097447A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20031959 2003-04-29
NO20031959A NO20031959L (no) 2003-04-29 2003-04-29 System og fremgangsmate for stromsparing

Publications (1)

Publication Number Publication Date
WO2004097447A1 true WO2004097447A1 (fr) 2004-11-11

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NO (1) NO20031959L (fr)
WO (1) WO2004097447A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8649755B2 (en) 2011-12-16 2014-02-11 Qualcomm Incorporated Timing circuit calibration in devices with selectable power modes
DE102013010096A1 (de) * 2013-06-18 2014-12-18 Bernhard Langfermann Vorrichtung und Verfahren zur Überwachung mobiler Sachen
US9066295B2 (en) 2011-12-16 2015-06-23 Qualcomm Incorporated Power conservation techniques for use in devices with selectable power modes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067044A (en) * 1998-09-21 2000-05-23 National Systems And Research Company Remote tracking and sensing system and method
WO2000068907A1 (fr) * 1999-05-06 2000-11-16 Pinpoint Corporation Systeme d'identification de biens et de personnes au moyen d'un gps
US6236358B1 (en) * 1999-06-18 2001-05-22 Jennifer Durst Mobile object locator
WO2001040822A1 (fr) * 1999-12-01 2001-06-07 Electronic Target System As Dispositif et tele-localisation d'un objet et mise en oeuvre de ce dispositif
EP0705441B1 (fr) * 1994-04-25 2001-11-21 General Electric Company Unites de poursuite mobiles employant des capteurs de mouvement pour reduire la consommation d'energie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0705441B1 (fr) * 1994-04-25 2001-11-21 General Electric Company Unites de poursuite mobiles employant des capteurs de mouvement pour reduire la consommation d'energie
US6067044A (en) * 1998-09-21 2000-05-23 National Systems And Research Company Remote tracking and sensing system and method
WO2000068907A1 (fr) * 1999-05-06 2000-11-16 Pinpoint Corporation Systeme d'identification de biens et de personnes au moyen d'un gps
US6236358B1 (en) * 1999-06-18 2001-05-22 Jennifer Durst Mobile object locator
WO2001040822A1 (fr) * 1999-12-01 2001-06-07 Electronic Target System As Dispositif et tele-localisation d'un objet et mise en oeuvre de ce dispositif

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8649755B2 (en) 2011-12-16 2014-02-11 Qualcomm Incorporated Timing circuit calibration in devices with selectable power modes
US9066295B2 (en) 2011-12-16 2015-06-23 Qualcomm Incorporated Power conservation techniques for use in devices with selectable power modes
DE102013010096A1 (de) * 2013-06-18 2014-12-18 Bernhard Langfermann Vorrichtung und Verfahren zur Überwachung mobiler Sachen

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Publication number Publication date
NO20031959D0 (no) 2003-04-29
NO20031959L (no) 2004-11-01

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