WO2015145061A1 - Stand-alone, communicating geopositioning device - Google Patents
Stand-alone, communicating geopositioning device Download PDFInfo
- Publication number
- WO2015145061A1 WO2015145061A1 PCT/FR2015/050740 FR2015050740W WO2015145061A1 WO 2015145061 A1 WO2015145061 A1 WO 2015145061A1 FR 2015050740 W FR2015050740 W FR 2015050740W WO 2015145061 A1 WO2015145061 A1 WO 2015145061A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- geolocation
- autonomous
- processing
- communicating
- message
- Prior art date
Links
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
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0027—Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
-
- 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
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/34—Power consumption
-
- 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
- G01S5/0226—Transmitters
Definitions
- the invention relates to an autonomous geolocation device communicating.
- Standalone means, in the context of this description, the fact that the device is equipped with its own source of electrical power. It does not need to be connected to a power distribution network in order to operate.
- the field of the invention is that of geolocation. More particularly, the field of the invention is that of intelligent geolocation.
- the range of the device is low, at most 100 bits per second, the signal level required for reception can be particularly low, which increases the range of the transmitter;
- the duration of activity of the device the device being little active to emit little data, it consumes all the less. Between two broadcasts the device is dormant.
- a second solution is to equip an object, for example a vehicle, with a dedicated mobile phone.
- the dedicated mobile phone is then powered and recharged by the vehicle battery which guarantees its autonomy. From there it is possible to implement any type of application in the dedicated phone, all functions of a mobile phone is available.
- the invention aims to remedy all or part of the disadvantages of the state of the art identified above, and in particular to provide means to allow to perform a geolocation of devices not initially provided for and this on great distances without having to worry about the autonomy of the device.
- the invention also provides a generic device capable of adapting to a large number of situations.
- one aspect of the invention relates to an autonomous device for communicating geolocation characterized in that it comprises:
- Low consumption processing means comprising at least one incoming interface connected to means for producing a signal
- the processing means are reprogrammable.
- the method / device according to the invention may have one or more additional characteristics among the following, considered individually or according to the technically possible combinations:
- an incoming interface of the processing means is connected to an outgoing interface of the communication means
- an incoming interface of the processing means is connected to a signal producer external to said processing device;
- the geolocation means are on-board means processing signals emitted by a constellation of satellites;
- the geolocation means are instruction codes causing the broadcasting, by the autonomous device, via the communication means of a message comprising an identifier of said autonomous device; the geolocation means are implemented at regular interval (140.1);
- the communication means are adapted to operate in a frequency band of 800 to 900 MHz;
- FIG. 2 is a step illustration of a method for implementing a device according to the invention.
- an action When an action is taken to a device it is actually performed by a microprocessor of the device controlled by instruction codes stored in a memory of the device. If an action is taken to an application, it is actually performed by a microprocessor of the device in a memory of which the instruction codes corresponding to the application are recorded.
- Figure 1 shows a device 1 00 autonomous geolocation according to the invention.
- FIG. 1 shows that the autonomous geolocation device 1 00 comprises:
- - Communication means comprising at least:
- Means 1 50 for supplying an electric power Means 1 70 for geolocation.
- FIG. 1 shows that:
- bus 1 60 are interconnected via a bus 1 60.
- FIG. 1 shows only the components of direct interest for the invention.
- FIG. 1 does not show a working memory in which the data and instruction codes processed by the microprocessor 1 1 0 of the autonomous geolocation device are loaded.
- all the components of the autonomous geolocation device are so-called low power components.
- the modem 1 20 is a low power electronic component, that is to say a component whose consumption is of the order of 1 0 ⁇ standby, 1 0mA reception and 1 00mA emission .
- a component is, for example, the Semtech SX1 electronic component 272 as described in its technical data sheet for its revision 1 of June 201 3.
- Other examples are the Texas Instrument CC1000 component, the ST Microelectronics SPI RIT1 component or the NORDIC component nRF905. This enumeration is not exhaustive.
- long range is meant a range exceeding ten kilometers.
- LoRa registered trademark
- other modulations such as FSK, GFSK, MSK, GMSK or OOK can also be used.
- the list is not exhaustive. This range is not measured between the sending device of the message and the final recipient of the message, but between the sender of the message and the first equipment to which the transmitting device is connected.
- FIG. 1 shows that the microprocessor 1 00 comprises an input pin 1 00.1 corresponding to an incoming interface, that is to say an input port of the microprocessor.
- This input port is either digital or analog.
- this pin is connected to means for producing a signal.
- Such means are, for example:
- An accelerometer capable of detecting a sudden deceleration, a reversing sensor such as those used in reversing lights in the navy, the reversal closing a circuit causing the passage of a signal,
- An output pin that is to say an outgoing interface, long-range communications means thus making the autonomous geolocation device able to receive as well as transmit,
- a clock to wake up the device at regular intervals A power management component,
- the storage means 140 are an electronic component of mass memory for example: an EEPROM (Programmable Erasable Electrical Read Only Memory), a flash memory or even a low power RAM memory. . It is these storage means 140 of the autonomous geolocation device 1 00 which comprise instruction codes corresponding to at least:
- the microprocessor 1 1 0 and the storage means 140 of the autonomous geolocation device together form processing means.
- a microprocessor is, for example, a microprocessor of the Microchip (registered trademark) range which offers microprocessors 8, 1 6 and 32 bits at ultra low consumption with announced supplementary requirements of 1 5 to 20 years on standard battery.
- the storage means 140 are reprogrammable. The same device can be used, in time, for different applications, or can be updated to take into account a change in context of use.
- the autonomous geolocation device is therefore configurable.
- the geolocation means are, for example, a GPS component or equivalent, such as for example Galileo. We are talking about a GPS variant. These means comprise a signal processing circuit received via at least one antenna. These received signals are emitted by satellites.
- the means for transmitting a geolocation message comprises instruction codes which, at regular intervals or in a triggered manner, produce a message comprising at least two fields:
- An identifier field comprising a unique identifier of the autonomous geolocation device.
- the geolocation message produced it is transmitted via the communication means of the autonomous geolocation device to a geolocation server.
- the unique identifier of the device is read in a memory 1 80 identifier connected to the bus 1 70 of the autonomous geolocation device.
- a memory is either an independent zone of one of the components or an area of the storage means.
- unique identifier we can use, for example:
- GUI D Globally Unique Identifier
- a serial number of one of the components of the autonomous geolocation device is
- the unique identifier is parameterized at the time of manufacture of the autonomous geolocation device.
- an address of the geolocation server is obtained via a parameterization memory.
- a parameter memory is, for example, an area of the storage means 140.
- the geolocation message is issued, for example:
- a protocol without acknowledgment for example UDP or a specific protocol.
- the use of a protocol with acknowledgment limits the loss of data related to collisions.
- the protocol used is 6L0WPAN for the PV6 LoW Power Wireless Area Networks (Wireless LAN Low Power Area I PV6).
- the autonomous geolocation device can be used on a territory equipped with base stations enabling it to communicate.
- Such a network is comparable to a mobile network, we speak of cellular network.
- the mesh of such a network in the context of the invention is, however, less dense than in the case of mobile telephony, because the scope of the modems is much more important in the context of the invention.
- a base station is also called a hub.
- the autonomous geolocation device does not include a GPS component.
- the autonomous geolocation device transmits at regular intervals a message comprising its unique identifier. This message is received by all base stations in the neighborhood. This allows base stations, or a device connected to these base stations, to geolocate the transmitting device using the U-TDOA method (Uplink Time Difference Of Arrival), arrival date difference on uplink link ).
- U-TDOA method Uplink Time Difference Of Arrival
- the geolocation means are instruction codes recorded in the storage means 140.
- the geolocation server may, by receiving the geolocation messages, feed a database with records comprising:
- a date for example the date the geolocation message was received by the server or a date included in the message by its issuer
- Such a database can reconstruct the path of a given device knowing its identifier. You can also have access to the speed of movement.
- the means 1 50 for supplying electrical power are, for example:
- One or more button cell One or more button cell,
- a rechargeable battery coupled to an electric photo converter for recharging the battery.
- the combination of power supply means and low consumption means of the autonomous geolocation device ensures a device autonomy greater than one year.
- the low consumption, and therefore the duration of activity of the device is increased by a relevant choice of a wake-up frequency during which the autonomous geolocation device performs its geolocation / communication operations.
- the device according to the invention is not permanently connected to the network of reception operations are in "pull mode". That is to say that when one wishes to send a message to a device according to the invention must know its identifier. Then sends a message with at least this identifier to a message server. When the device according to the invention sends a geolocation message it also performs a connection to the message server to recover a possible new message. If necessary, the device according to the invention produces and emits one or more responses before returning to standby mode. This is a comparable operation to that of a POP plus SMTP mail.
- the address of the message server is known by configuration.
- Sleep and wake up components of the device are made through a not shown power management component which is responsible for starting the various components of the device according to the invention. It is either a dedicated component or integrated means to one of the components already described.
- these operations are performed 1 time per minute.
- these operations are performed once every 10 minutes.
- the geolocation operations and the message reception operations have different periods.
- the periods specified are indicative.
- the operating time of the device is of the order of ten milliseconds, depending on the intended uses. It is therefore quite possible to have periods, between two successive revivals, of the order of the second.
- this interval is recorded in an area 140.1 wakeup interval means 140 for storing the autonomous geolocation device.
- the communications means are preferably configured to operate in the frequency range of 900MHz to 1000MHz or in the band 800MHz to 1100MHz.
- the interest of these frequency bands is not only that they are free, but also that they have already been studied during phases of deployment of the first generation mobile telephony.
- the implementation of base stations, and in particular the choice of their location to obtain an optimal coverage of a territory has already been made. This saves a lot of time.
- the various components of the device have been shown in an exploded manner. In practice, all or part of these components can be integrated on a single chip. In particular, the processing means can be integrated in the modem component.
- Figure 2 shows implementation steps of the device according to the invention.
- Figure 2 shows a waiting step 201 in which the device is in sleep mode.
- step 201 the device waits:
- Step 202 of normal operation is broken down into 2 sub-steps:
- An example of a received message is, for example, an update message of an area of the storage means 140 of the autonomous geolocation device. This makes it possible to update the device.
- message received is a message comprising an instruction code whose interpretation causes the production of a signal on an output pin of the processing means. This makes the device according to the invention active from the point of view of its environment.
- the triggering of the normal operation step 203 is comparable to a triggering performed by the reception of a clock signal.
- the signal management step 203 depends on the nature of the signal and instruction codes that have previously been recorded in the storage means 140 of the autonomous geolocation device.
- the implementation of the teaching of the invention provides an autonomous geolocation programmable device according to specific needs.
- the device obtained is active in transmission and reception.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15719781.5A EP3123202A1 (en) | 2014-03-26 | 2015-03-24 | Stand-alone, communicating geopositioning device |
BR112016022002A BR112016022002A2 (en) | 2014-03-26 | 2015-03-24 | AUTONOMOUS COMMUNICATOR GEOLOCALIZATION DEVICE |
MX2016012404A MX2016012404A (en) | 2014-03-26 | 2015-03-24 | Stand-alone, communicating geopositioning device. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1452597 | 2014-03-26 | ||
FR1452597A FR3019309B1 (en) | 2014-03-26 | 2014-03-26 | AUTONOMOUS COMMUNICATION GEOLOCATION DEVICE |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015145061A1 true WO2015145061A1 (en) | 2015-10-01 |
Family
ID=51483522
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2015/050735 WO2015145058A1 (en) | 2014-03-26 | 2015-03-24 | Stand-alone, communicating geopositioning device |
PCT/FR2015/050740 WO2015145061A1 (en) | 2014-03-26 | 2015-03-24 | Stand-alone, communicating geopositioning device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2015/050735 WO2015145058A1 (en) | 2014-03-26 | 2015-03-24 | Stand-alone, communicating geopositioning device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3123202A1 (en) |
BR (1) | BR112016022002A2 (en) |
FR (1) | FR3019309B1 (en) |
MX (1) | MX2016012404A (en) |
WO (2) | WO2015145058A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760742A (en) * | 1995-05-12 | 1998-06-02 | Trimble Navigation Limited | Integrated mobile GIS/GPS/AVL with wireless messaging capability |
US6014080A (en) * | 1998-10-28 | 2000-01-11 | Pro Tech Monitoring, Inc. | Body worn active and passive tracking device |
US6347281B1 (en) * | 2000-03-08 | 2002-02-12 | R. Mark Litzsinger | Remote global positioning device and method |
US20040145520A1 (en) * | 2001-05-02 | 2004-07-29 | Richardson David L. | Energy conserving satellite tracking tag |
-
2014
- 2014-03-26 FR FR1452597A patent/FR3019309B1/en active Active
-
2015
- 2015-03-24 WO PCT/FR2015/050735 patent/WO2015145058A1/en not_active Application Discontinuation
- 2015-03-24 WO PCT/FR2015/050740 patent/WO2015145061A1/en active Application Filing
- 2015-03-24 BR BR112016022002A patent/BR112016022002A2/en not_active Application Discontinuation
- 2015-03-24 EP EP15719781.5A patent/EP3123202A1/en not_active Withdrawn
- 2015-03-24 MX MX2016012404A patent/MX2016012404A/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760742A (en) * | 1995-05-12 | 1998-06-02 | Trimble Navigation Limited | Integrated mobile GIS/GPS/AVL with wireless messaging capability |
US6014080A (en) * | 1998-10-28 | 2000-01-11 | Pro Tech Monitoring, Inc. | Body worn active and passive tracking device |
US6347281B1 (en) * | 2000-03-08 | 2002-02-12 | R. Mark Litzsinger | Remote global positioning device and method |
US20040145520A1 (en) * | 2001-05-02 | 2004-07-29 | Richardson David L. | Energy conserving satellite tracking tag |
Also Published As
Publication number | Publication date |
---|---|
WO2015145058A1 (en) | 2015-10-01 |
BR112016022002A2 (en) | 2017-08-15 |
FR3019309A1 (en) | 2015-10-02 |
FR3019309B1 (en) | 2018-03-16 |
EP3123202A1 (en) | 2017-02-01 |
MX2016012404A (en) | 2017-05-04 |
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