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WO2019110109A1 - Reconfiguration d'un système de support de positionnement radio intérieur sur la base d'informations de mode de support de positionnement radio - Google Patents

Reconfiguration d'un système de support de positionnement radio intérieur sur la base d'informations de mode de support de positionnement radio Download PDF

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Publication number
WO2019110109A1
WO2019110109A1 PCT/EP2017/081869 EP2017081869W WO2019110109A1 WO 2019110109 A1 WO2019110109 A1 WO 2019110109A1 EP 2017081869 W EP2017081869 W EP 2017081869W WO 2019110109 A1 WO2019110109 A1 WO 2019110109A1
Authority
WO
WIPO (PCT)
Prior art keywords
positioning support
radio positioning
radio
devices
configuration
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2017/081869
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English (en)
Inventor
Lauri Aarne Johannes Wirola
Jari Tapani SYRJÄRINNE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Here Global BV
Original Assignee
Here Global BV
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 Here Global BV filed Critical Here Global BV
Priority to EP17811941.8A priority Critical patent/EP3721246A1/fr
Priority to PCT/EP2017/081869 priority patent/WO2019110109A1/fr
Publication of WO2019110109A1 publication Critical patent/WO2019110109A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/042—Transmitters
    • G01S1/0423—Mounting or deployment thereof
    • 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
    • G01S5/0252—Radio frequency fingerprinting
    • G01S5/02521—Radio frequency fingerprinting using a radio-map
    • G01S5/02524—Creating or updating the radio-map
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/68—Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
    • 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
    • G01S2201/00—Indexing scheme relating to beacons or beacon systems transmitting signals capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters
    • G01S2201/01—Indexing scheme relating to beacons or beacon systems transmitting signals capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters adapted for specific applications or environments
    • G01S2201/02—Indoor positioning, e.g. in covered car-parks, mining facilities, warehouses

Definitions

  • solutions for indoor positioning have been developed and commercially deployed during the past years. Examples comprise solutions that are based on pseudolites, which are ground based GPS-like short-range beacons, ultra-sound positioning solutions, Bluetooth low energy (BLE) based positioning solutions, cellular network based positioning solutions and wireless local area network (WLAN) based positioning solutions.
  • pseudolites which are ground based GPS-like short-range beacons
  • ultra-sound positioning solutions Bluetooth low energy (BLE) based positioning solutions
  • BLE Bluetooth low energy
  • cellular network based positioning solutions cellular network based positioning solutions
  • WLAN wireless local area network
  • Bluetooth beacons are installed in the environment for which a positioning solution is to be provided.
  • the data may be collected in the form of fingerprint observation reports that are based on measurements by mobile devices.
  • a fingerprint observation report may contain a location estimate and measurements taken from the radio interface.
  • the location estimate may be for example GNSS based, sensor-based, or manually inputted.
  • Measurements taken from the radio interface may comprise, by way of example, measured radio signal strengths and an identification of Bluetooth beacons transmitting the radio signals.
  • the training may be a continuous background process, in which mobile devices of a large number of consumers are continuously observation reporting measured data to a server. Consumers may consent to a participation in such a data collection, if their device is equipped with the needed functionality. This approach is also referred to as crowd-sourcing.
  • mobile devices may be used for collecting fingerprints in a systematic manner. Collected fingerprint data may be uploaded to a database in a server or in the cloud, where algorithms may be run to generate radio coverage area models of Bluetooth beacons and/or radio maps for positioning purposes.
  • a mobile device may estimate its current location based on own measurements taken from the radio interface and on the data or a subset of data that is available from the training stage.
  • Coverage area model data or radio map data that has been generated in the training stage may be transferred to mobile devices by a server via the Internet as assistance data for use in position determinations.
  • coverage area model data and/or radio map data may be stored in a positioning server to which the mobile devices may connect to via the Internet for obtaining a position estimate.
  • a similar approach could be used for a positioning that is based on other types of terrestrial transmitters or on a combination of different types of terrestrial transmitters.
  • a method for reconfiguring one or more radio positioning support devices of an indoor radio positioning support system comprising:
  • the method may be performed by an apparatus, for example by any one embodiment of the below disclosed apparatus(es).
  • the indoor radio positioning support system may be any one embodiment of the below disclosed system.
  • the one or more radio positioning support devices of the indoor radio positioning support system may transmit (e.g. broadcast) or trigger to transmit or may be configured to transmit or to trigger to transmit a respective radio positioning support signal.
  • the one or more radio positioning support devices may transmit (e.g. broadcast) or trigger to transmit or may be configured to transmit or to trigger to transmit (a) respective radio positioning support signal(s) automatically and/or repeatedly, for example on a periodic basis.
  • the respective radio positioning support signal(s) may contain positioning support data.
  • the positioning support data are for example configured to enable the one or more mobile devices receiving the respective radio positioning support signal(s) to estimate their position at least partially based on these positioning support data.
  • the coverage area of the indoor radio positioning support system may be understood to represent an area of a predetermined indoor environment within which the indoor radio positioning support system is expected to support mobile devices to estimate their positions.
  • the coverage area of the indoor radio positioning support system may be defined by an environment and/or an area within which the indoor radio positioning support system is capable to support mobile devices to estimate their positions.
  • a handheld device like a smartphone, a tablet computer, a notebook computer, a smart watch, a smart band or a portable navigation device, or
  • a vehicle or a module for installation in a vehicle like a navigation device for installation in a vehicle.
  • Examples of such a vehicle may be indoor vehicles like a forklift and/or an indoor transportation vehicle or autonomous vehicles like an automated guided vehicle or combinations thereof like an autonomous indoor vehicle.
  • the one or more mobile devices may be understood to be within the coverage area of the indoor radio positioning support system if the one or more mobile devices receive one or more radio positioning support signals transmitted by one or more radio positioning support devices of the indoor radio positioning support system.
  • the one or more mobile devices may form a first subgroup of a plurality of mobile devices that are within the coverage area of the indoor radio positioning support system.
  • the one or more mobile devices may be associated with the same radio positioning support mode (e.g. a first radio positioning support mode).
  • the radio positioning support mode information may be indicative for the radio positioning support mode by representing the radio positioning support mode (e.g. by containing an identifier of the radio positioning support mode). It is to be understood that the radio positioning support mode information may be indicative for more than one radio positioning support mode (e.g. for a first radio positioning support mode and a second radio positioning support mode).
  • the radio positioning support mode (e.g. the first radio positioning support mode) may be associated with a configuration (e.g. a first configuration) of the one or more radio positioning support devices of the indoor radio positioning support system.
  • a configuration of the one or more radio positioning support devices may be understood to represent (e.g. specify) one or more radio transmission parameters of the one or more radio positioning support devices. If the one or more radio positioning support devices are configured with a certain configuration, the one or more radio positioning support devices may be configured to transmit or to trigger transmitting radio signals (e.g. radio positioning support signals) according to this certain configuration (e.g. with radio transmission parameters specified by this certain configuration]. It is to be understood that the one or more radio positioning support devices may be configured according to more than one configuration (e.g. at the same time).
  • the one or more radio positioning support devices are configured to transmit or to trigger transmitting radio signals (e.g. radio positioning support signals) according to these at least two configurations (e.g. according to both the first configuration and the second configuration), for example by multiplexing the radio signals.
  • radio signals e.g. radio positioning support signals
  • radio positioning support signals that are transmitted or triggered to be transmitted according to different configurations by the same radio positioning support device represent (e.g. contain) different identifiers to be able to distinguish radio signals which are transmitted according to different configuration.
  • the radio positioning support mode (e.g. the first radio positioning support mode) may be understood to be associated with the one or more mobile devices (e.g. the one or more mobile devices of a first subgroup) if the one or more mobile devices require or are expected to require the configuration of the one or more radio positioning support devices of the indoor radio positioning support system associated with the radio positioning support mode for (e.g. sufficiently) estimating their position (e.g. with a sufficient accuracy and/or a sufficient rate).
  • Different radio positioning support modes may be associated with different configurations of the one or more radio positioning support devices of the indoor radio positioning support system. For example, a mobile device having a higher speed may need to estimate its position with a higher positioning update rate than a mobile device having a lower speed.
  • Determining the radio positioning support mode information may be performed according to predefined rules (e.g. a predefined algorithm) or predefined associations (e.g. a predefined association between the radio positioning support mode and the one or more mobile devices) or a combination thereof.
  • predefined rules e.g. a predefined algorithm
  • predefined associations e.g. a predefined association between the radio positioning support mode and the one or more mobile devices
  • reconfiguring the one or more radio positioning support devices may mean that the one or more radio positioning support devices continue to transmit or to trigger transmitting radio signals (e.g. radio positioning support signals) according to the current configuration (e.g. a first configuration) of the one or more radio positioning support devices and, additionally, start to transmit or to trigger transmitting radio signals (e.g. radio positioning support signals) according to another configuration (e.g. a second configuration) of the one or more radio positioning support devices.
  • the other configuration (e.g. the second configuration) of the one or more radio positioning support devices may represent (e.g. specify) different radio transmission parameters than the current configuration (e.g. the first configuration) of the one or more radio positioning support devices.
  • the configuration of the one or more radio positioning support devices can thus be adapted to different use cases.
  • the disclosed apparatus(es) may comprise only the disclosed components (e.g. means) or may further comprise one or more additional components (e.g. means).
  • additional components are a communication interface, a network interface, a radio interface (e.g. a receiver, a transmitter and/or a transceiver), a data interface, a user interface (e.g. a touch-sensitive display, a keyboard, a touchpad, a display, etc.) etc.
  • a system which comprises a plurality of radio positioning support devices and an apparatus according to any one embodiment of the disclosed apparatus(es).
  • a non-transitory computer readable storage medium in which computer program code is stored.
  • the computer program code causes an apparatus to perform any one embodiment of the disclosed method (e.g. the steps of any one embodiment of the disclosed method) when executed by a processor.
  • the computer program code could be stored in the computer readable storage medium in the form of instructions encoding the computer-readable storage medium.
  • the computer readable storage medium may be intended for taking part in the operation of a device, like an internal or external hard disk of a computer, or be intended for distribution of the program code, like an optical disc.
  • a computer program code is disclosed, the computer program code when executed by a processor causing an apparatus to perform any one embodiment of the disclosed method (e.g. the steps of any one embodiment of the disclosed method).
  • the radio positioning support mode required by or expected to be required by the one or more mobile devices can be communicated efficiently.
  • the received or determined radio positioning support mode information may contain an identifier of the radio positioning support mode (i.e. the radio positioning support mode indicated by the received or determined radio positioning support mode information).
  • the plurality of predefined radio positioning support modes comprises a first predefined radio positioning support mode and a second predefined radio positioning support mode (i.e. different from the first predefined radio positioning support mode), wherein the first predefined radio positioning support mode is associated with a first predefined configuration of the one or more radio positioning support devices and the second predefined radio positioning support mode associated with a second predefined configuration (i.e. different from the first predefined configuration) of the one or more radio positioning support devices.
  • reconfiguring the one or more radio positioning support devices may comprise switching the configuration of the one or more radio positioning support devices from the first predefined configuration to the second predefined configuration or from the second predefined configuration to the first predefined configuration or to activate both configurations.
  • the expected speed may for example represent the planned maximum or average speed of the one or more mobile devices when moving within the coverage area of the radio positioning support system.
  • the expected speed may represent a speed of a planned speed profile of the one or more mobile devices when moving within the coverage area of the radio positioning support system.
  • the planned maximum or average speed or the planned speed profile of the one or more mobile devices may at least partially be represented by or determined based on navigation information for the one or more mobile devices.
  • the radio transmission channel parameter may be understood to represent (e.g. specify) one or more transmission channels for the one or more radio positioning support devices.
  • the radio transmission channel parameter may represent (e.g. specify) transmission channels on which one or more radio signals (e.g. radio positioning support signals) are transmitted or triggered to be transmitted by the one or more radio positioning support devices.
  • the radio transmission channel parameter may represent (e.g. specify) one of a plurality of (e.g. seven) different combinations of possible transmission channels.
  • the radio transmission channel parameter may represent (e.g. specify) one possible combination of three different transmission channels, e.g. referred to as transmission channels 37, 38 and 39.
  • radio transmission power parameter OdBm, radio transmission interval parameter 10 Hz;
  • radio transmission power parameter OdBm
  • radio transmission interval parameter 10 Hz
  • radio transmission channel 38;
  • a plurality of mobile devices is within the coverage area of the indoor radio positioning support system, wherein the one or more mobile devices form a first subgroup of the plurality of mobile devices, and wherein further one or more mobile devices form a second subgroup of the plurality of mobile devices, and wherein the one or more mobile devices of the first subgroup are associated with a first radio positioning support mode and the one or more mobile devices of the second subgroup are associated with a second radio positioning support mode.
  • radio positioning support information may be determined or received that are indicative for the first radio positioning support mode and the second radio positioning support mode.
  • the first radio positioning support mode and the second radio positioning support mode may be part of the plurality of predefined radio positioning support modes as disclosed above.
  • Each radio positioning support mode of this plurality of predefined radio positioning support modes may be associated with a respective predefined configuration of the one or more radio positioning support devices.
  • the first radio positioning support mode may be associated with a first predefined configuration and the second radio positioning support mode may be associated with a second predefined configuration.
  • these associations may be used for determining whether the one or more radio positioning support devices are to be reconfigured at least partially based on the received or determined radio positioning support mode information. If the configuration of the one or more radio positioning support devices corresponds to (or, optionally, exceeds) the most demanding configuration of the first predefined configuration and the second predefined configuration, it may be determined that the one or more radio positioning support devices are not to be reconfigured. Otherwise, it may be determined that the one or more radio positioning support devices are to be reconfigured. Accordingly, reconfiguring the one or more radio positioning support devices may be understood to mean that the configuration of the one or more radio positioning support devices is adapted such that it corresponds to the most demanding configuration of the first predefined configuration and the second predefined configuration.
  • the most demanding configuration of the first predefined configuration and the second predefined configuration may be understood to be the configuration of the first predefined configuration and the second predefined configuration which radio transmission parameters at least partially exceeds the radio transmission parameters specified by the other configuration.
  • a sequence of the configurations of the plurality of predefined configurations may be predefined such that the sequence positions or sequence numbers of the first predefined configuration and the second predefined configuration defines which configuration is more demanding.
  • the method comprises:
  • Examples of such a predefined period of time may be 5 minutes, 30 minutes 1 hour, 6 hours or 12 hours.
  • the default configuration may be understood to be a predefined default configuration of the one or more radio positioning support devices.
  • the default configuration may be one configuration of a plurality of predefined configurations.
  • the default configuration may be associated with lower energy consumption than the other configurations of this plurality of predefined configurations. This may be understood to mean that, if the one or more radio positioning support devices are configured according to this default configuration, the energy consumption of the or more radio positioning support devices is lower than if the one or more radio positioning support devices are configured according to any other configuration of this plurality of predefined configurations.
  • the one or more radio positioning support devices are one of:
  • Bluetooth beacon enabling Bluetooth low energy (BLE) mode
  • BLE Bluetooth low energy
  • the beacons may comprise a Bluetooth and/or BLE radio interface, which includes at least a Bluetooth and/or BLE transmitter.
  • the Bluetooth and/or BLE transmitter may also be a part of a Bluetooth and/or BLE transceiver.
  • the Bluetooth and/or BLE radio interface may be configured to transmit Bluetooth and or BLE radio signals.
  • the Bluetooth and/or BLE radio interface may be configured to receive (e.g. detect) Bluetooth and/or BLE radio signals that are for example broadcast by other Bluetooth and/or BLE beacons.
  • the radio positioning support signal transmitted by such a beacon may be a Bluetooth and/or BLE radio signal (e.g. a periodically transmitted Bluetooth and/or BLE advertisement signal containing and/or representing advertising data).
  • Such beacons can be easily installed at various installation positions and require little to no maintenance.
  • a plurality of beacons may be easily distributed across a certain area and may cover a certain area (e.g. the coverage area of the indoor radio positioning support system ) with radio signals transmitted (e.g. broadcasted) by the beacons.
  • Bluetooth technologies are supported by many mobile devices by default such as most smartphones, most tablet computers, most notebook computers, most smart watches and most smart bands, etc. Using Bluetooth beacons and/or BLE beacons may thus have the effect that the many mobile devices may use the indoor radio positioning support system without any adaptation of hardware. As a result, the approach may be globally scalable and have low maintenance and deployment costs.
  • the beacons may be stand-alone devices or be integrated into or attached to some other device.
  • a radio positioning support device may be a Bluetooth tag or token or a part thereof comprising such a beacon.
  • Bluetooth beacons in particular in low energy mode, require comparably little energy and the use of Bluetooth low energy may enable a positioning with limited energy consumption at all involved devices.
  • a Bluetooth beacon that is employed for the invention may be any kind of Bluetooth beacon complying with any present or future standard.
  • the Bluetooth standards are specified by the Bluetooth Special Interest Group and are presently available under https://www.bluetooth.com/.
  • one or more radio positioning support devices of the one or more radio positioning support devices may be an access point and/or a router of a wireless local area network (WLAN).
  • WLAN wireless local area network
  • Such an access point and/or router of a WLAN may comprise a WLAN radio interface, which for example includes a WLAN transceiver.
  • the WLAN radio interface may be configured to transmit and/or receive (e.g. detect) WLAN radio signals.
  • the radio positioning support signal transmitted by such an access point and/or router of a WLAN may be a WLAN radio signal (e.g. a periodically transmitted beacon signal containing and/or representing a service set identifier (SSID) of the WLAN of the access point and/or router), WLAN is for example specified by the standards of the IEEE 802.11 family (http://www.ieee.org/).
  • WLAN is for example specified by the standards of the IEEE 802.11 family (http://www.ieee.org/).
  • the one or more radio positioning support devices have been reconfigured, updating or causing updating a radio map representing the coverage area of the indoor radio positioning support system .
  • a radio map representing the coverage area of the indoor radio positioning support system may be understood to be a representation of the (e.g. expected) coverage area of the indoor radio positioning support system.
  • a radio map may represent the (e.g. fixed) installation positions of the radio positioning support devices of the indoor radio positioning support system and (e.g.
  • radio positioning support signals transmitted or triggered to be transmitted by a radio positioning support device.
  • the radio transmission parameters may comprise a path loss exponent and an indication of a transmission power used by the transmitter of the radio positioning support device.
  • Based on data of a parametric radio model an expected radio coverage of a radio positioning support device installed at a (potential) installation position may be determined.
  • An example for a hard-boundary radio coverage model may be a geometric model.
  • Data of such a geometric radio model may be considered to be data which represent parameters (e.g. geometrically) describing (e.g. defining) an expected radio coverage of a radio positioning support device (e.g.
  • Updating the radio map representing the coverage area of the indoor radio positioning support system may be understood to mean to collect new learning data like new fingerprint data (e.g. fingerprint observation reports) that are for example based one
  • each section of this plurality of sections may represent a subarea of the coverage area of the indoor radio positioning support system. This is for example advantageous to enable adapting the configuration of the plurality of radio positioning support devices only in sections of the coverage area of the indoor radio positioning support system where the one or more mobile devices are located which require or are expected to require such an adaptation.
  • Beacon 200 comprises a processor 201.
  • Processor 201 may represent a single processor or two or more processors, which are for instance at least partially coupled, for instance via a bus.
  • Processor 201 executes a program code stored in memory 202 (for instance program code causing beacon 200 to perform one or more of the embodiments of a method (or parts thereof) according to the invention (as for instance further described below with reference to Fig. 4).
  • Some or all of memory 202 may also be included into processor 201.
  • Memory 202 may for instance be a volatile or non-volatile memory. It may for instance be a RAM or DRAM memory.
  • beacons 200-1 to beacons 200-3 may be reconfigured or caused to be reconfigured according to the default configuration (e.g. Configuration 1). For example, if a predefined period of time has been lapsed since the one or more radio positioning support devices have been reconfigured or caused to be reconfigured in step 403, beacons 200-1 to 200-3 may return or may be caused to return to the default configuration (e.g. Configuration 1) and/or to deactivate any other configuration (e.g. Configuration 2). Alternatively or additionally, the method of flow chart may be continuously repeated.
  • the default configuration e.g. Configuration 1
  • the method of flow chart may be continuously repeated.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Entre autres, l'invention concerne un procédé de reconfiguration d'un ou de plusieurs dispositifs de support de positionnement radio (200-1, 200-2, 200-3) d'un système de support de positionnement radio intérieur (300), le procédé comprenant : la réception ou la détermination (401) des informations de mode de support de positionnement radio qui sont indicatives d'un mode de support de positionnement radio associé à un ou plusieurs dispositifs mobiles (301, 302) à l'intérieur d'une zone de couverture dudit système de support de positionnement radio intérieur (300) ; la détermination (402) de savoir si ledit ou lesdits dispositifs de support de positionnement radio (200-1, 200-2, 200-3) doivent être reconfigurés au moins partiellement sur la base desdites informations de mode de support de positionnement radio reçues ou déterminées ; et s'il est déterminé que ledit ou lesdits dispositifs de support de positionnement radio (200-1, 200-2, 200-3) doivent être reconfigurés, la reconfiguration ou le fait de provoquer la reconfiguration (403) dudit ou desdits dispositifs de support de positionnement radio (200-1, 200-2, 200-3).
PCT/EP2017/081869 2017-12-07 2017-12-07 Reconfiguration d'un système de support de positionnement radio intérieur sur la base d'informations de mode de support de positionnement radio Ceased WO2019110109A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17811941.8A EP3721246A1 (fr) 2017-12-07 2017-12-07 Reconfiguration d'un système de support de positionnement radio intérieur sur la base d'informations de mode de support de positionnement radio
PCT/EP2017/081869 WO2019110109A1 (fr) 2017-12-07 2017-12-07 Reconfiguration d'un système de support de positionnement radio intérieur sur la base d'informations de mode de support de positionnement radio

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PCT/EP2017/081869 WO2019110109A1 (fr) 2017-12-07 2017-12-07 Reconfiguration d'un système de support de positionnement radio intérieur sur la base d'informations de mode de support de positionnement radio

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US5990826A (en) * 1997-10-07 1999-11-23 Rockwell Science Center, Inc. Interbuilding and urban canyon extension solution for global positioning systems
US20050136845A1 (en) * 2003-09-22 2005-06-23 Fujitsu Limited Method and apparatus for location determination using mini-beacons
US20060022873A1 (en) * 2004-07-30 2006-02-02 Integrinautics Corporation Synchronizing ranging signals in an asynchronous ranging or position system
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