WO2015114149A1 - Détermination de la position d'un terminal utilisateur au moyen d'ondes acoustiques - Google Patents

Détermination de la position d'un terminal utilisateur au moyen d'ondes acoustiques Download PDF

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Publication number
WO2015114149A1
WO2015114149A1 PCT/EP2015/052096 EP2015052096W WO2015114149A1 WO 2015114149 A1 WO2015114149 A1 WO 2015114149A1 EP 2015052096 W EP2015052096 W EP 2015052096W WO 2015114149 A1 WO2015114149 A1 WO 2015114149A1
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WO
WIPO (PCT)
Prior art keywords
sound
user terminal
arrangement
sound waves
determining
Prior art date
Application number
PCT/EP2015/052096
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German (de)
English (en)
Inventor
Günther Banholzer
Original Assignee
Contnet AG
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 Contnet AG filed Critical Contnet AG
Publication of WO2015114149A1 publication Critical patent/WO2015114149A1/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
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/30—Determining absolute distances from a plurality of spaced points of known location
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
    • 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
    • G01S1/72—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 ultrasonic, sonic or infrasonic waves
    • G01S1/76—Systems for determining direction or position line
    • 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
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/14—Systems for determining distance or velocity not using reflection or reradiation using ultrasonic, sonic, or infrasonic waves

Definitions

  • the invention relates to an arrangement for determining the position of a user terminal in a residence area, in particular in a building.
  • the invention relates to a method for determining the position of a user terminal in a location area.
  • the invention further relates to a computer-readable storage medium.
  • the invention also relates to a program element.
  • the radio-based GPS does not work or does not function well enough in a user terminal's location, making such in-flight navigation solutions impossible or at least unreliable, even though there are many applications for them - in shopping malls, public buildings, hoteis, or hospitals.
  • WLAN and other wireless technologies either with proximity or
  • Runtime measurements work, but all are relatively complex and, for the most part, are not very accurate.
  • Sound waves is formed, a sound detector device (wherein either the sound emitting device of a plurality of sound emitters or the
  • a sound detector device may be formed by a plurality of sound detectors), which is designed (in particular with respect to the sound emitting device of another position) for (in particular time-delayed, i.e. after passing a distance between the sound emitting device and the sound detector device) detecting the emitted sound waves, and
  • Position determining means for determining the position of the user terminal based on time information (for example, timings) regarding the emission of sound waves by the sound emitting means and detecting the sound waves by the sound detecting means and based on previously known position information regarding the position of one of the sound emitting means and sound detector device
  • the Scarf Idetektor is set up (especially in the residence area), wherein (especially only or exactly) one of the sound emitting device and the Scarf Idetektor resonance is part of the user terminal and the other device (ie sound detection device or sound emitting device) is arranged at known positions in the location area (and is not part of the user terminal).
  • sound waves are emitted by a sound emitting device, the emitted sound waves are detected by a sound detecting device, and the position of the user terminal based on time information regarding the emission of sound waves by the sound emitting device and the detection of the
  • a sound emitting device and the sound detection device is determined, wherein one of the sound emitting device and the sound detection device is part of the user terminal and the other is arranged at a known position in the residence area.
  • a user terminal positioning program is stored in a location area which executes program when executed by one or more processors (the user terminal and / or at least one communicable controller) is, controls the process steps described above or
  • a program element (computer program element) according to a
  • Embodiment of the present invention for determining the position of a user terminal in a location area has the above-described Process steps on (or performs) when it is executed by one or more processors (the user terminal and / or at least one communicable with it communicable control device).
  • Embodiments of the present invention can be implemented both by means of a
  • Computer program that is a software, as well as by means of one or more special electrical circuits, that is, in hardware, or in any hybrid form, that is, by means of software components and hardware components, realized.
  • computer program that is a software, as well as by means of one or more special electrical circuits, that is, in hardware, or in any hybrid form, that is, by means of software components and hardware components, realized.
  • the software at least partially as
  • App i. as a downloadable and then installable software application, be designed for the user terminal.
  • a position determination in a location area (such as a
  • user terminals such as mobile phones, usually already have a microphone (in particular for receiving speech signals) as a sound detector device or a speaker (in particular for the output of speech and other audio signals, for example music) as a sound emitter device can this hardware in an inventive arrangement synergistic to
  • the sound detection device may be formed as a microphone of the user terminal.
  • Many user terminals such as mobile phones and tablet PCs, have a microphone through which in the
  • Normal operation of the user terminal is a voice input by a user is enabled, for example, to make calls or by means of
  • Voice recognition to the user terminal to transmit a control command.
  • such a microphone can be used synergistically for detecting the sound signals used for the position determination.
  • a particularly compact arrangement is possible, in which for forming the
  • Sound detector device no additional equipment is required.
  • the sound signals may be transmitted, for example, at a predetermined frequency interval (for example, outside of speech typical frequencies) and / or in a predetermined waveform and / or in a predetermined signal sequence.
  • the sound emitting device as
  • a plurality of separate sound sources (for example loudspeakers) that can be arranged at different positions in the location area and that do not form part of the user terminal.
  • Sound sources advantageous. For a coarser positioning also a smaller number is possible, for a further refinement of Positioning using redundancy effects, it is also possible to provide more than three sound sources.
  • the sound emitting device as
  • Speaker of the user terminal to be formed.
  • Many user terminals such as cellular phones and tablet PCs, have a speaker through which, during normal operation of the user terminal, a voice output or other audio output to a user is enabled, for example, to make phone calls or to listen to music.
  • a loudspeaker can be used synergistically for generating or emitting the sound signals used for the position determination.
  • a particularly compact arrangement is possible in which no additional equipment is required to form the sound emitting device.
  • the sound detection device may be referred to as
  • a plurality of separate sound detectors which do not form part of the user terminal, can be arranged at different positions in the location area.
  • the provision of three sound detectors located at different, preferably fixed, positions in the location area is advantageous.
  • For a coarser positioning also a smaller number is possible, for a further refinement of the position determination using
  • Redundancy effects is also the provision of more than three sound detectors possible.
  • the position determination device may be formed as part of the user terminal.
  • the processor provided in any case in many user terminals can carry out the position determination by means of a corresponding software application and thus serve as a position-determining device.
  • Control logic or the required calculation algorithms can be provided by means of a software element that can be stored in the user terminal (for example as an app).
  • An apparatus adaptation of a commercially available user terminal for example, a smartphone
  • the arrangement may comprise one or more control devices (for example computers, in particular servers) which are different from the user terminal and can be located inside and / or outside the location area.
  • control devices for example computers, in particular servers
  • Control device may optionally be communicably coupled to the user terminal, in particular via a mobile radio communication network or the Internet. It is also a wired communication of such
  • control device with thus communicable coupled devices possible.
  • the control device may also be communicably coupled to the sound emitting device and / or the sound detector device, in particular to control the emission of the sound waves and / or signals in the
  • Such a controller may, for example, be associated with the residence area (for example a shopping center). Then, the control device for
  • Example the speakers of the shopping center so that they emit in a predetermined manner sound signals for determining the position of a user terminal.
  • a central control device for example a trusted server
  • a central position for example via the Internet
  • determines the position of many user terminals in several location areas for example
  • the position determination device may be formed as part of the control device.
  • the required resource for performing the positioning determinations may be centralized for multiple user terminals, so that the demands on the user terminals are then extremely limited. It is then sufficient for the control device to be sent the sound or sound signals provided with a respective time stamp and the control device to transmit the sound signals
  • the controller may be configured to provide the user terminal based on the determined position
  • control device can transmit data relating to the current position to the user terminal. For example, if a user of the user's terminal in a shopping mall walks along a particular retail store and this is recognized by the arrangement, information on that store may be displayed on the user's terminal, for example special offers.
  • Other applications include the display of a map or an overview map of a shopping center, including a display of the current one
  • a signpost to an X-ray laboratory as
  • Guidance for a patient in a hospital or an indication of the user's position regarding a swimming pool in a hotel is provided.
  • the position determining means for determining the position of the user terminal by means of a
  • Runtime determination or transit time measurement of the sound waves to be formed The velocity of sound waves in air is known (-340 m / s). Is also the Time of the transmission of sound waves from the sound emitter and the time of receiving these sound waves at the located at another position sound detection device, and also the position of the sound emitter or the sound detection device is known, the other unknown position (the sound emitter or the Sound Detector) can be determined by using the procedure
  • the determination of the position of the user terminal by means of a transit time determination can also be carried out using triangulation.
  • the position determining device for determining a change in position (that is, motion information relating to a movement) of the user terminal by detecting a
  • a direction of movement (approach or removal) can be determined. If the user together with the user terminal (and thus with sound detector or sound source) moves and the sound sources or sound detectors coupled to the user terminal remain stationary, the speed of the sound source can also be fixed
  • Location-based services can be refined with knowledge of the direction of movement because in the near future it may be possible to anticipate desired services.
  • the sound waves that can be emitted by the sound emitting device and detectable by the sound detector device can be selected from infrasound (in particular frequencies less than 16 Hz), audible sound (in particular frequencies between 16 Hz and 20 kHz), ultrasound (in particular frequencies between 20 kHz and 1.6 GHz) and hypersonic (especially frequencies above ultrasonic frequencies). Because microphones from user terminals often have high sensitivity in the audible
  • Frequency range are transmitted very precisely.
  • a transmission of the sound signals in the ultrasonic range is advantageous because then no risk of overlapping with useful signals that are detected by the microphones of the user terminals (for example, language of a user).
  • the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for
  • predetermined pattern in particular at predetermined time intervals, be formed. Is the characteristic, pattern or sequence of
  • Sound signals known with which the sound emitting device emits sound (in particular the distance between adjacent sound pulses, the width of a
  • Pattern recognition for the sound detection device better possible between sound signals for position determination and useful sound (for example, the
  • Speech input by a user
  • the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for the sound emitting device for
  • Laminating the sound waves emitted for determining the position for, in particular, simultaneous emitting of laminating sound, in particular Music or language be educated.
  • the transmission of sound waves for determining the position of user terminals can possibly be perceived as disturbing.
  • the overlay of Kaschier-Hörschall, d .h. Users perceived as pleasant sound such as music or human speech, the subjective perception of human users in the environment of
  • the Kaschier Hörschall machine-separable differs from the positioning sound without a user perceives the position-determining sound as disturbing in view of the Kaschier Hörschalls, a reliable position determination of the user terminal as well as a pleasant sensation of the user is possible.
  • the user terminal (in particular when its microphone forms the sound detector device of the arrangement) may be configured to emit sound emission triggering signals for triggering the emission of sound waves through the sound emitting device. In this way it can be ensured that sound signals are transmitted only when this is necessary. Useless sending of scarf! can be avoided, thereby reducing the noise and energy consumption can be reduced.
  • the user terminal can do this
  • Acoustic emission trigger signal transmitted to a control device, which in turn forwards the sound emission trigger signal to the sound emitting device.
  • the device may include a recognizer (which may, for example, be part of the user terminal, in particular its processor) for detecting the presence or absence of the user Possibility of positioning the user terminal by the Global Positioning System (GPS).
  • the recognizer may further be for triggering the position determination of the user terminal by the global positioning system in case of recognizing the
  • the user terminal contains a GPS module for position determination by the Global Positioning System (GPS) and recognizes the GPS module that has a
  • Positioning by means of GPS is currently not possible or not possible with sufficient accuracy (for example, because the user is staying with the user terminal in a building in which the GPS radio waves are not in
  • a recognizer for example, a processor of the user terminal
  • the recognition device recognizes that the position determination by means of GPS is possible again at a later time (for example because the user together with the user terminal has left the building). The recognition device can then switch the operation of the user terminal back to position determination by means of GPS.
  • the user terminal may be a portable (i.e., user-portable) device,
  • Such devices often contain microphone and / or speakers, with a part of these already existing hardware components for position determination means
  • the residence area may be a building, in particular a shopping center, a public facility, a hotel or a hospital. Since GPS radio signals often can not penetrate sufficiently in such buildings due to low signal strengths or the occurrence of reflections, is in such an environment the
  • the arrangement may also include the residence area, in particular a building, as part of the arrangement.
  • the arrangement may in particular
  • Communication network further formed in particular by a plurality of communicatively coupled nodes, wherein a user terminal can represent such a node and the arrangement can have one or more further nodes have.
  • Figure 1 shows an arrangement for determining the position of a user terminal in a building according to an exemplary embodiment of the
  • Figure 2 shows an arrangement for determining the position of a user terminal in a building according to another exemplary embodiment of the invention.
  • FIG. 3 to FIG. 6 show different possibilities for the transmission of data and the performance of calculations in the context of a
  • an LBS According to an exemplary embodiment of the invention, an LBS
  • Embodiment can be implemented, for example, by means of a corresponding software application on a conventional mobile phone, without this having to have additional hardware.
  • An aspect according to an exemplary embodiment of the invention is not to measure the transit time of radio waves (ie electromagnetic waves) for location, but the transit time of sound waves, for example, with the microphone of the mobile phone received (or sent with the speaker of the mobile phone ) become.
  • the sound waves can come from dedicated speakers installed in the building. However, they can also be emitted by loudspeakers already installed in the building.
  • the sound waves can be transmitted by the transmitters at certain intervals. The transmission of the sound waves can also be initiated by the receiving device, for example, the receiving device, the him over a
  • the calculation of the position can be done in the receiving device.
  • the position of the speakers is made known to the receiving device via an Internet connection.
  • the calculation of the position can also take place on the server to which the receiving device via an Internet connection can notify the times of receipt of the acoustic signals. In this case, it is not necessary for the receiving device to detect the position of the
  • FIG. 1 shows an arrangement 100 embodied as a communication network according to an exemplary embodiment of the invention
  • the arrangement 100 comprises the user terminal 102 denoted by X, the microphone of which forms a sound detector device 108 for detecting sound waves.
  • the user terminal 102 is currently at a position within the building identified by the location coordinates rx.
  • the arrangement 100 has four loudspeakers A, B, C, D, which are arranged at a fixed position in the building and at a distance from one another
  • Form sound emitter 106 and are each designed to emit sound waves.
  • the user terminal 102 has, as part of its corresponding program-technically set-up processor, a position determination device 110 which is used to determine the respectively current (and continuously changing) position r of the user terminal 102 based on a sound wave transit time measurement between the loudspeakers A, B, C, D and the sound detector device 108 of the user terminal 102 is formed.
  • a position determination device 110 which is used to determine the respectively current (and continuously changing) position r of the user terminal 102 based on a sound wave transit time measurement between the loudspeakers A, B, C, D and the sound detector device 108 of the user terminal 102 is formed.
  • time information regarding the emission of sound waves through the speakers A, B, C, D the Schailemitter worn 106 and the detection of the sound waves by the sound detector means 108 as well as previously known position information regarding the position of the individual speakers A, B, C, D of
  • the individual loudspeakers A, B, C, D of the Schailemitter raised 106 are arranged on prior art and in this case fixed position in the residence area 104, namely
  • the position determination device 110 is provided in the user terminal 102, then the data transfer for determining the position of the user terminal 102 can be kept low since no recourse to remote processor resources is necessary to carry out the calculation.
  • the arrangement 100 also has two control devices 112, 114, which in the present case are each designed as server computers.
  • Controller 112 is communicably coupled to user terminal 102 and to controller 114 via the Internet 116 and may be a central control entity for controlling location determination in a plurality of location areas.
  • the controller 114 associated with the building may direct to the controller 112 and / or the user terminal 102 location coordinates of stationary speakers A, B, C, B of the
  • the control device 112 can also control the loudspeakers A, B, C, B for emitting sound waves with a predefinable characteristic. If a user is located outside the building, as in the constellation shown in FIG. 1, the user terminal 102 "denoted Y, then a GPS module of the user terminal 102 'can receive radio waves 150 from satellites 152 with the designations Si, Sn, Sm or Siv to determine its current location in accordance with GPS technology, because the radio waves 150 are due to poor radiation performance or due to reflections on the Buildings not penetrate into the building with sufficient intensity, the user terminal 102 in the building, the position determination by GPS is currently not or not possible with sufficient accuracy.
  • a recognizer of the user terminal 102 according to the invention which may be formed as part of the processor of the user terminal 102, may indicate the presence or absence of the possibility of
  • GPS Detect Positioning System
  • Position r x no longer or no longer sufficiently precise can accomplish. If the recognizer recognizes this fact, it can do so
  • the position determination device 110 of the user terminal 102 is for determining the position r x of the user terminal 102 by means of a
  • each of the sound sources A, B, C, D emits a respective sound wave 154 (simultaneously or sequentially).
  • Sound source A emits at time t A i, starting from its location r A, an acoustic wave 154 indicated by i, which propagates at the speed of sound and reaches user terminal 102 with the designation X at time t A xi.
  • Sound source B emits in a corresponding manner at time t B i, starting from its location r B, a sound wave 154 which propagates at the speed of sound and reaches the user terminal 102 with the designation X at a later point in time texi.
  • Sound source C emits at time t a, starting from its location r c, a sound wave 154 which propagates at the speed of sound and reaches the user terminal 102 with the designation X at time tcxi.
  • Sound source D emits at time t D i, starting from its location r D, a sound wave 154, the propagated at the speed of sound and reaches the user terminal 102 designated X at the time toxi.
  • the user terminal 102 is aware of the location coordinates r A , r B , r c or r D of the sound sources A, B, C, D (for example, these can be transmitted from one of the control devices 112 or 114 to the user terminal 102, if this by means of
  • Recognition device is switched to position determination by means of sound waves). Using the relationship "velocity equal to path length per unit of time" on the movement of the sound waves 154 from the speakers A, B, C and D to the user terminal 102 can be deduced on its position, so that the location coordinates r x can be determined ,
  • the position determination device 110 for determining position changes or movement information regarding a movement of the user terminal 102 may be formed by detecting a frequency shift resulting from the acoustic Doppler effect between the emitted sound waves and the detected sound waves 154. Including such speed information, the accuracy of the
  • Each of the controllers 112, 114 may be configured to provide or provide a location-based service to the user terminal 102 based on the particular location. If the building is a shopping center, signals corresponding to the respective control devices 112, 114 can be transmitted to the user terminal 102 in order to be displayed on a
  • Display device of the user terminal 102 to allow the user, for example, a tour of the shopping center.
  • Sound detection device 108 detectable sound waves can in
  • Sound emitter 106 may be formed for emitting sound waves at predetermined time intervals and with a predetermined sound signal profile, these time intervals and the predetermined sound signal profile should be known to the user terminal 102 or should be made known via the communication network.
  • the sound emitting device 106 may also be used for laminating the emitted for determining position acoustic
  • the sound emitted by the sound emitting device 106 is then perceived by users as more pleasant.
  • the Kaschier Hörschall can be emitted simultaneously with the position-determining sound (the user terminal 102 then, for example by means of pattern recognition the
  • Positioning sound can separate from the Kaschier Hörschall) or can alternately or intermittently emit either Kaschier Hörschall or positioning swirlschall.
  • the user terminal 102 may be configured to generate sound emission trigger signals to initiate the emission of sound waves through the device
  • Sound emitter 106 emit. For example, only when the recognizer recognizes that position determination by GPS is currently not possible and position determination by means of sound waves is desired, can a control signal be transmitted from the user terminal 102 to one of the controllers 112, 114 so that these then the speakers A, B, C, D for emitting the sound waves 154 to
  • FIG. 2 shows an arrangement 100 for determining the position of a user terminal 102 in a location area 104 according to another
  • the sound emitting device 106 is designed as a loudspeaker of the user terminal 102.
  • This speaker may be used during normal operation of the user terminal 102, for example, for outputting voice signals during a user's telephoning.
  • the sound waves 154 emitted for determining the position of the loudspeaker can lie in the ultrasonic range and thus be inaudible to a user.
  • the sound detector device 108 is in the form of four separate track detectors, for example microphones, arranged at different positions in the locating area 104. These are designed to detect the sound waves 154 emitted by the loudspeaker of the user terminal 102.
  • the position of the user terminal 102 can thus be determined by means of a transit time measurement of the sound waves 154.
  • the sound source emits in the form of the loudspeaker of the X
  • Designation c at the time txci and the microphone with the designation d for Time txdi may be communicated to the user terminal 102 by the controller 114, which may be communicably coupled to the microphones a, b, c, d.
  • the user terminal 102 in turn, the location coordinates r a , i * b, r c or r d of the microphones a, b, c, d known.
  • FIG. 2 shows the position determining device 110 as part of the
  • Control device 112 may be formed.
  • the user terminal 102 / or the controller 114 transmits over the Internet 116 the
  • Control means 112 data containing the transit times of the sound waves 154 and the positions of the microphones a, b, c and d.
  • the actual calculation of the current location coordinate r x of the user terminal 102 takes over the
  • Control device 112 so that a decentralized resource is sufficient and user terminals 102 manage without large computing capacity.
  • FIG. 3 to FIG. 6 show different possibilities for the transmission of data and the performance of calculations in the context of a
  • Control device 112/114 transmitted (see reference numeral 400), then takes place at the calculation (see reference numeral 402) of the location coordinates r x .
  • the location coordinates rx may then be communicated to the user terminal 102 (see reference numeral 404).
  • Microphones a, b transmitted to the controller 112/114 (see
  • Sound waves can be transmitted through the speaker of the user terminal 102 from the user terminal 102 to the controller 112/114 (see reference numeral 602).
  • the location coordinates r x are then transmitted to the user terminal 102 (see reference numeral 600).
  • FIGS. 3 to 6 thus show that a great variety of configurations are possible with regard to the locations of the calculations and the transmission of data. It should be noted that in the context of positioning
  • the transmitted sound signal itself may contain identification information for assigning the sound signal to the associated sound source. It is also possible that the sound sources in a controlled chronological order
  • an assignment to the sound source is possible if the associated communication partner device (in particular the user terminal or one of the control devices or a sound detector) has been informed of the assignment of the sound sources to the sound signal characteristics. It is also possible that a sound source such a communication partner device by
  • Communication message announces that and when it sends out a sound signal or has sent or which has this characteristics.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un ensemble (100) permettant de déterminer la position d'un terminal utilisateur (102) dans une zone de séjour (104), l'ensemble (100) comprenant le terminal utilisateur (102), un dispositif d'émission acoustique (106) réalisé pour émettre des ondes acoustiques, un dispositif de détection acoustique (108) réalisé pour détecter les ondes acoustiques émises, et un dispositif de détermination de position (110) réalisé pour déterminer la position du terminal utilisateur (102) sur la base d'informations temporelles concernant l'émission d'ondes acoustiques par le dispositif d'émission acoustique (106) et concernant la détection des ondes acoustiques par le dispositif de détection acoustique (108), et sur la base d'informations de position déjà connues concernant la position soit du dispositif d'émission acoustique (106) soit du dispositif de détection acoustique (108), soit le dispositif d'émission acoustique (106) soit le dispositif de détection acoustique (108) faisant partie du terminal utilisateur (102) et l'autre dispositif étant agencé en des positions déjà connues dans la zone de séjour (104).
PCT/EP2015/052096 2014-02-03 2015-02-02 Détermination de la position d'un terminal utilisateur au moyen d'ondes acoustiques WO2015114149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014101296.8A DE102014101296A1 (de) 2014-02-03 2014-02-03 Positionsbestimmung eines Nutzer-Endgeräts mittels Schallwellen
DE102014101296.8 2014-02-03

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WO2015114149A1 true WO2015114149A1 (fr) 2015-08-06

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WO2011014292A1 (fr) * 2009-07-29 2011-02-03 Shopkick, Inc. Procédé et système de détection de présence
US20120108258A1 (en) * 2010-10-27 2012-05-03 Qualcomm Innovation Center, Inc. Method, Device, and System for Obtaining a Mobile Computing Device Location
WO2013061268A2 (fr) * 2011-10-26 2013-05-02 Ariel-University Research And Development Company, Ltd. Procédé et dispositif destinés à une détermination de localisation précise dans une zone indiquée

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11475390B2 (en) * 2015-12-29 2022-10-18 Rakuten Group, Inc. Logistics system, package delivery method, and program
WO2019052818A3 (fr) * 2017-09-12 2019-06-27 Robert Bosch Gmbh Procédé et dispositif de traitement d'un signal pilote, reproduit par un système électroacoustique, au moyen d'un terminal mobile et terminal mobile

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