FR2951831A1 - Satellite navigation device for use in service and satellite navigation providing system, has integration module integrated between navigation unit and modular service unit to allow exchange of data between two distinct units - Google Patents

Satellite navigation device for use in service and satellite navigation providing system, has integration module integrated between navigation unit and modular service unit to allow exchange of data between two distinct units Download PDF

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Publication number
FR2951831A1
FR2951831A1 FR0957474A FR0957474A FR2951831A1 FR 2951831 A1 FR2951831 A1 FR 2951831A1 FR 0957474 A FR0957474 A FR 0957474A FR 0957474 A FR0957474 A FR 0957474A FR 2951831 A1 FR2951831 A1 FR 2951831A1
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France
Prior art keywords
unit
service
navigation
modular
navigation device
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Pending
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FR0957474A
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French (fr)
Inventor
Karl Auzou
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GEOSAAS, FR
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Goodkap
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Priority to FR0957474A priority Critical patent/FR2951831A1/en
Publication of FR2951831A1 publication Critical patent/FR2951831A1/en
Application status is Pending legal-status Critical

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in preceding groups G01C1/00-G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in preceding groups G01C1/00-G01C19/00 specially adapted for navigation in a road network

Abstract

The device (2) has a bidirectional communication unit e.g. smart card, in communication with a remote server (8). A modular service unit (4) includes a service module (4') that interacts with the remote server via the bidirectional communication unit. An integration module (11) is integrated between a navigation unit (3) and the modular service unit to allow exchange of data between two distinct units. The integration module allows the modular service unit to access a man-machine interface unit of the device via the navigation unit. An independent claim is also included for a method for customization of functions of a satellite navigation device.

Description

"Satellite navigation and service system, associated device and method"

TECHNICAL FIELD The present invention relates to a satellite navigation system. It also relates to a device used in said system, as well as a method implemented in the device according to the invention. The field of the invention is more particularly that of satellite navigation systems offering additional services. Non-limiting examples include real-time transmission of traffic information, carpooling requests, availability of car parks and so on.

STATE OF THE PRIOR ART Satellite navigation devices are known in the prior art that offer certain services in addition to navigation, for example the real-time transmission of information on speed control radar locations.

Such satellite navigation devices are provided with a single unit that manages both navigation and service functions. This single unit includes a single application for processing navigation and service data. A disadvantage of such a device is its lack of flexibility: for example, this single unit can be updated only globally, not in portions distinct from each other. The idea underlying the invention is to remedy this lack of flexibility.

This invention is achieved with a system comprising: at least one remote server; and - a satellite navigation device provided with a navigation unit and two-way communication means with the at least one remote server the navigation device being further provided with: - a modular service unit comprising at least a service module that is configured to interact with the at least one remote server via the bidirectional communication means; and an integration module between the navigation unit and the modular service unit, enabling data exchanges between these two separate units. The term "navigation device" preferably means a device using the GPS (Global Positioning System) network or equivalent (for example the European Galileo network). In the case of the use of the GPS network, the device comprises a GPS receiver for locating in real time the position of the device, by reference to certain satellites of the GPS network, a database for storing in particular mapping data, in order to locate the device at any time on a map, and at least one processor. The term "navigation unit" preferably means at least one memory or part of a memory called navigation memory containing a navigation application as well as some data. The navigation memory is advantageously in the navigation device. The navigation application stored in the navigation memory is advantageously a set of information relating to at least one data processing performed by at least one processor of the navigation device. This at least one data processing allows in particular, but in a nonlimiting manner, the implementation of a navigation function by the navigation device. A navigation function may include a route calculation function. For example, the navigation application uses mapping data and location data of the navigation device to calculate a route from a start point to an arrival point, and where appropriate to display guidance information on a route. screen of the navigation device. The data contained by the navigation memory can be data whose processing can be provided by the navigation application (for example mapping data, location data of the navigation device), and / or data constituting a result of the navigation device. a data processing provided by the application (for example the detail of a path to arrive at an end point). The term "at least one remote server" preferably refers to at least one computer comprising a memory in which an application is recorded for the implementation of data processing sent by the navigation device. These data processing are preferably performed for the navigation device. The at least one remote server receives and processes advantageously data sent by several navigation devices, and in real time. The term "bidirectional communication means" preferably refers to a smart card for wireless communication with the at least one remote server, for example according to the GSM (Global System for Mobile Communications) and / or GPRS (General Packet Radio) standard. Service) and / or UMTS (Universal Mobile Telecommunications System) called 3G and / or HSDPA (High Speed Downlink Packet Access) called 3G +, etc. This list is obviously not limiting and depends on the technologies available to those skilled in the art to establish two-way communication. Preferably means "modular service unit" at least one memory or part of a memory called service memory containing at least one service application and some data. The service memory is advantageously in the navigation device and may or may not be separate from the navigation memory. Each at least one service application stored in the service memory is advantageously a set of information relating to at least one data processing performed by at least one processor of the navigation device. This at least one data processing in particular allows the implementation of at least one service function by the navigation device, for example the pooling of information relating to locations of speed control radars. We speak of modular and / or modifiable and / or parameterizable unit. This modular service unit is advantageously autonomous, that is to say that it does not constitute a subset of the navigation unit.

Thus, the modular service unit can be configured to interact with input-output ports of the navigation device independently of the navigation unit. These input-output ports can be wireless communication means, contact or wired connectors, etc. The modular service unit comprises at least one service module. Each service module can be defined as being relative to a given service or group of services, including then in particular its own service application. Preferably, there are as many service modules as services provided by the modular service unit. The data contained by the service memory may be data sent by the at least one remote server.

The term "integration module", an application for data exchange between the navigation unit and the modular service unit. The data exchanged may be data sent by the at least one remote server to the modular service unit, and / or location data of the navigation device, etc. The advantage provided by such a system is that the management of the navigation functions and the management of the service functions are independent, but can nevertheless cooperate by exchanging data through the integration module. Advantageously, the system comprises an open access to the modular service unit for, independently of the navigation unit: - adding and / or deleting at least one service module of the modular service unit; and / or - updating at least one service module of the modular service unit; and / or - modify parameters of at least one application of the modular service unit.

Thus, if a multitude of services can be offered to a user via a navigation device according to the invention, it may not be necessary for all the corresponding service modules to be present from the outset in the device. navigation. A user can add only the service modules corresponding to services that may be of interest to him, delete service modules corresponding to services that for example no longer interest him, add service modules corresponding to services that were not not proposed at the time of purchase of the navigation device, etc. A developer, even personally, can modify parameters, including functional parameters of at least one application of the modular service unit. The at least one application is customizable. Thus, it can for example develop an original service application intended to be used in the system according to the invention, a service application which can constitute at least one service module that can be added. At least one service module of the modular service unit can be updated independently, without affecting the operation of the navigation unit and / or at least one other service module. Thus, it is possible to update the modular service unit while at the same time using the navigation unit whose operation is not affected by this update. It is thus possible to add and / or delete and / or modify a service, without modifying the other embedded software. It also facilitates updates and reduces the risk of error during an update. Preferably, the modular service unit comprises means for managing rights of access to the at least one remote server and / or managing access rights to at least one service and / or processing information provided by the service provider. at least one remote server and / or process information provided by the navigation unit. These managements are carried out in particular thanks to the at least one service application. Access to the at least one remote server is by registration and access to services is by subscription. According to a preferred embodiment, the integration module is configured to allow the modular service unit to access human-machine interface means of the navigation device via the navigation unit. The advantage may be that data relating to a service appears to the user in an integrated manner or in combination with the navigation data, for example in the form of an icon on a road map displaying guidance for a given journey. One can speak to describe the system according to the invention, an SDK architecture (Software Development Kit). We can speak of SDK architecture because the modular service unit must integrate with the navigation unit. It can be said that this integration is done in an application, where the application then designates the modular service unit unit and navigation unit. The invention also relates to a satellite navigation device used in the system according to the invention, provided with a navigation unit and bidirectional communication means with at least one remote server, furthermore having: - a modular unit service provider comprising at least one service module that is configured to interact with the at least one remote server via the bidirectional communication means; and an integration module between the navigation unit and the modular service unit, enabling data exchanges between these two separate units. The invention furthermore relates to a method of personalizing the functions of a satellite navigation device comprising a navigation unit and bidirectional communication means with at least one remote server, in which at least one storage medium is stored in a memory medium. service module, and - the memory medium is connected to the navigation device so as to install the at least one service module, which: - constitutes or supplements a modular service unit present in the navigation device, - is configured from way to interact with the at least one remote server via the bidirectional communication means, the modular service unit can exchange data with the navigation unit via an integration module which is provided with the navigation device.

Advantageously, the memory medium comprises an SD (Secure Digital) card, and / or a miniSD card, and / or a microSD card and / or a computer memory. This memory medium can generally be any memory medium that can be inserted through an integrated reader. The computer memory may be a memory space in the remote server so that installation of a service module is via wireless communication between the remote server and the navigation device.

DESCRIPTION OF THE FIGURES AND EMBODIMENTS Other advantages and particularities of the invention will appear on reading the detailed description of implementations and non-limiting embodiments, and the following appended drawings: FIG. a functional embodiment of a system according to the invention, - Figure 2 illustrates an embodiment of the navigation device according to the invention, and - Figure 3 illustrates a method of embodiment according to the invention. the invention. We will first describe, with reference to Figure 1, the system 1 according to the invention. The system 1 comprises a satellite navigation device 2 equipped with a navigation unit 3 and a modular service unit 4. The navigation unit 3 comprises a memory in which are recorded: a navigation application; data relating to the implementation of navigation, for example cartographic data (location of traffic lanes, direction of traffic, etc.); GPS data of the navigation device 2; data entered by a user, for example an arrival point as part of the calculation by the navigation application of a route between a starting point and an arrival point; and data resulting from the data processing by the navigation application, for example the detail of a path between a starting point and an arrival point. The navigation unit 3 also manages a communication of information to a user, for example to implement guidance between a starting point and an arrival point. This communication of information is done via means of human-machine interface 12 (see Figure 2), here a touch screen. It is noted here that the navigation unit 3 can give access to certain services, and is not necessarily limited to navigation functions.

The modular service unit 4 consists of three service modules 4 ', 4 "and 4m Each service module corresponds to a different service The service module 4' corresponds to a service for sharing information on the availability of car parks, the service module 4 "corresponds to a service for sharing information on the location of speed control radars, and the service module 4m corresponds to a pooling service of traffic information. These examples are given in a nonlimiting manner, and many other services can be envisaged such as the pooling of information on fuel prices, offers and requests for carpooling, contacting a helpdesk. legal assistance, a roadside assistance service in the event of a breakdown or accident, a hotel reservation service, etc. The service modules 4 ', 4 "and 4"' are in bidirectional communication respectively 7 ', 7 "and 7"' with an intermediate server 8. The intermediate server 8 manages the exchange of information between a processing server. data 9 and the navigation device 2. The intermediate server 8 encapsulates network communication frames. The communication between the intermediate server 8 and the data processing server 9 is represented by the arrow 30. The navigation device 2 is therefore in bidirectional communication with the data processing server 9, via the intermediate server 8. According to an embodiment that is not represented, the intermediate server 8 makes it possible to connect a navigation device 2 to several data processing servers 9. The data processing server 9 is respectively in communication 31, 32 and 33 with the respective data servers. service 41, 42 and 43. At each service server 41, 42, 43 may correspond a service and a service provider given. (The term "server" again refers to a computer server). Services can also be directly implemented by the data processing server 9, without the intervention of an ancillary service server.

The service modules 4 ', 4 ", 4"' and the navigation unit 3 are independent, and can be managed by different service providers. The navigation unit 3 and the service modular unit 4 are in bidirectional communication 10 via an integration module 11. The following example illustrates the data that can pass through the module of the module. integration 11, as well as the articulation between the navigation unit 3 and the modular service unit 4. In all cases, it is particularly advantageous for the navigation unit 3 and the modular service unit 4 to provide a means for a user to successively use one or the other. For example, when the user uses the navigation unit 3, the touch screen of the navigation device 2 has a display corresponding to the navigation unit 3 (for example a road map), as well as at least one icon service. Pressing this service icon on the touch screen provides access to a display corresponding to the modular service unit 4. Similarly, when the user uses the service modular unit 4, the touch screen of the navigation device 2 nevertheless displays at least one navigation icon. Pressing this navigation icon on the touch screen displays a display corresponding to the navigation unit 3. A service module 4 ', 4 ", 4"' and / or the unit modular service 4 can use existing APIs (Application Programming Interface) of the navigation unit 3 to display buttons dedicated to each service module 4 ', 4 ", 4"' on a display corresponding to the unit navigation 3.

Example: A user finds a speed control radar on his way. By pressing a dedicated icon present on the main display of the navigation unit, it accesses a display corresponding to the modular service unit 4. The navigation unit 3 detects this access and can cut a synthesis engine voice so that guidance voice instructions managed by the navigation unit 3 do not deconcentrate the user. The latter then selects from a list of services the information sharing service on the speed control radar location, corresponding to the service module 4 ".

The service module 4 "manages for the navigation device 2 both access to the data processing server 9 and access to the information sharing service on the location of speed control radars. The management of these accesses uses an identifier specific to the navigation device 2. This identifier is sent to the data processing server 9 by the service module 4 ", and the data processing server 9 then returns to the service module 4. "Authorized or denied access information, depending on whether this identifier corresponds to a navigation device 2 authorized or not Authorized access to the data processing server 9 is done by simple registration If access to the server 9 is authorized, a service access request is transmitted to the service server 41, 42 or 43 concerned Access to a service is by subscription If the identifier corresponds to a navigation device 2 having subscribed for access to this service, then access to the corresponding service server is authorized. Otherwise, access is denied. (We can also reason in terms of user profile, several user profiles each having their identifier can be registered on the same navigation device 2.) If access to the requested service is authorized, the user then accesses a display corresponding to the 4 "service module It is the service module 4" that manages the graphic interface which can therefore be different from the graphic interface used by the navigation unit 3. The modular service unit 4, however, accesses the man-machine interface means 12 of the navigation device 2 via the navigation unit 3 via the integration module 11. The instantaneous location of the navigation device 2 is provided by the navigation unit 3 to the modular service unit 4, in particular the service module 4 ", via the integration module 11. The service module 4" associates this instantaneous location with information provided by the user. (for example, presence of a speed control radar at this location), and sends it to the data processing server 9.

Still within the framework of the service associated with the 4 "service module, the instantaneous location of the navigation device 2 is regularly transmitted to the service module 4", from the navigation unit 3, and via the module Integration 11. The service module 4 "periodically transmits these instantaneous locations to the data processing server 9 which in turn transmits a list of speed control radar locations that the navigation device 2 will potentially encounter in the near future. 4 "service is able to select only certain speed control radar locations that the navigation device 2 will actually cross soon. This selection of at least one relevant information (location of a radar that will be effectively crossed) among a list of information (list of radar that may be potentially crossed), according to certain criteria (instantaneous locations of the navigation device 2) consists of a data processing. This processing is implemented by an algorithm of a service application dedicated to the service module 4. When the service module 4 "receives as instantaneous location of the navigation device 2, a location which indicates the imminent approach of the one of the speed control radars that will be effectively crossed, the service module 4 "sends to the navigation unit 3, via the integration module 11, a presence information of a radar of The navigation unit 3 then integrates this information into its display, for example by displaying a symbol representing a radar on a map, and the integration module 11 is therefore configured to access the means of navigation. human-machine interface 12 via the navigation unit 3. Preferably, when: - a guidance performed by the navigation unit 3, is in progress, and - the user accesses a display corresponding to the unit modular 4, the guidance process continues although no longer communicated to the user, so that when the user will use the navigation unit 3 again, the guidance will resume from the instantaneous location of the user. navigation device 2 at this time, and not from the location where the navigation device 2 was when the user has used the modular service unit 4. The information transfers, in particular via the of the integration module 11, are in real time. The modular service unit is more than a gateway between a server and the navigation unit 3. It notably allows the integration of information from a server to the navigation unit 3. The on-screen display of the navigation device 2, by the modular service unit 4, is managed by an internal element. This element identifies an action or an event that generated the display, then uses known display functions by providing the description of the screen: the identifier of the screen, the components, their nature (text, editable field, button, check box, ...), their position (X, Y coordinates), their size (in pixels), the associated action (a click on this icon generates the display of such screen). The system 1 allows the navigation unit 3 and the modular service unit 4 to be two separate units but can nevertheless exchange information and collaborate, thanks to the integration module 11. Separate means the fact of being able to: - have each one its own graphic charter, - each have its own update server, - be updated independently, - be modified independently, - have its own data formats. In addition, each service module 4 ', 4 ", 4"' can also have a distinct character. Each service module and / or separate unit can therefore be managed by a different provider, without the latter need to implement a day-to-day particular collaboration including with a provider associated with the navigation unit 3, except during a preliminary integration step which will be specified in the following. The modular service unit 4 is modifiable, since it is particularly easy to add and / or delete and / or re-parameterize a service module 4 ', 4 ", 4"'. Figure 2 more particularly shows the navigation device 2 according to the invention. The navigation device 2 comprises in particular - the man-machine interface means 12 for the exchange of information with the user, these man-machine interface means 12 being able to be a touch screen and / or a screen provided with a keyboard and / or means for voice synthesis and voice recognition, etc .; an on-board wireless communication module such as a GSM chip 13 which makes it possible to establish at least one bidirectional communication 14 (for example combining the bidirectional communications 5, 7 ', 7 "and 7"'); a GPS receiver 15 receiving the signals of certain satellites of the GPS network (the reception of a GPS signal being symbolized by the arrow 16), and which calculates in real time the position of the navigation device 2; a memory 17 which contains a navigation application, at least one service application, permanent data such as a cartography, data processing results (it is considered that some data are permanent, for example mapping data, then that other data such as data processing results are regularly erased since they only have utility for a specified duration); a processor 18 which can execute at least one application stored in the memory 17 to process data stored in the memory 17 and obtain a result which is in turn recorded in the memory 17; and means for connecting, by wire and / or wireless means, the navigation device 2 to an additional element, for the addition of a service module, and / or the deletion of a service module, and / or the reprogramming of a service module and / or the updating of a service module, etc.

The data flows between the memory 17 and the processor 18 are represented by the arrow 20. The memory 17 is itself also: in communication with the GSM chip for the exchange of data between the memory 17 and the server 6, 8 and / or 9; in communication with the GPS receiver 15 so that the memory 17 receives the positions of the navigation device 2 calculated by the GPS receiver 15; and in communication with the human-machine interface means for the exchange of data with a user. Preferably, a preliminary integration step allows the modular service unit 4 and / or each service module 4 ', 4 ", 4"' to be compatible with the navigation unit 3, but also with a operating system implemented in the navigation device 2 and with the hardware itself (we can speak of "hardware"). This preliminary integration step must be done in particular during the design of the modular service unit 4 and / or a service module 4 ', 4 ", 4"'. This preliminary integration step consists, for example, in providing in the navigation unit 3 a function for the navigation unit 3 to communicate regularly (for example every second) to the modular service unit 4 the position of the navigation device 3. navigation 2. It can be provided that a navigation device 2 is directly equipped with the navigation unit 3, the integration module 11 and the modular service unit 4. It is also possible to provide, and this is the solution illustrated in FIG. 3, an initial navigation device 2 having only a navigation unit 3 and an integration module 11. The integration module 11 allows a potential communication between the navigation unit 3 and a navigation unit 3. separate unit still not present in the navigation device 2. A recording medium 26 comprising a modular service unit 4 is connected to the navigation device 2. This connection is symbolized by the arrow 2 7. The recording medium 26, here a microSD card, also comprises a self-executing application (not shown) which makes it possible to install the modular service unit 4 in the navigation device 2. The modular service unit 4 is then a separate ancillary unit in communication with the navigation unit 3 thanks to the integration module 11. In the same way, it is also possible to add a service module to the modular service unit 4, while other service modules are already installed in the navigation device 2. This supplementary service module can be installed as a "plugin" of the navigation unit 3. It may be necessary to develop as many plugins as there are hardware can embed such a plugin, for compatibility reasons. When a service module is installed, it can use preexisting APIs of the navigation unit 3, so that a link to the displays corresponding to this service module appears on at least the main display corresponding to the navigation unit. It is also possible that the main display of the navigation unit has a link to a main menu, and that each service module manages during its installation the creation of a corresponding new link in this main menu. It can also be provided that the data processing server 9 receives information about the existence of a new service. The data processing server 9 then sends each navigation device 2 information requesting it to subscribe to this new service and to propose to it the loading, via a wireless communication, of the associated service module. which is then installed automatically in the navigation device 2.

Of course, the invention is not limited to the examples that have just been described and many adjustments can be made to these examples without departing from the scope of the invention.

Claims (9)

  1. REVENDICATIONS1. A satellite navigation device (2) with a navigation unit (3) and bidirectional communication means with at least one remote server (8, 9), characterized in that it is furthermore provided with a modular service unit (4) comprising at least one service module (4 ', 4 ", 4"') which is configured to interact with the at least one remote server (8, 9) via the communication means bidirectional; and - an integration module (11) between the navigation unit (3) and the modular service unit (4), allowing data exchanges between these two separate units.
  2. 2. System (1) comprising a navigation device according to claim 1, characterized in that it further comprises at least one remote server (9) with which the at least one service module is capable of interacting.
  3. System (1) according to claim 2, characterized by an open access to the modular service unit (4) for, independently of the navigation unit (3), performing at least one of the following operations : - add at least one service module (4 ', 4 ", 4"') of the modular service unit (4) - delete at least one service module (4 ', 4 ", 4"') from the modular service unit (4) - updating at least one service module (4 ', 4 ", 4"') of the modular service unit (4); - modify parameters of at least one application of the modular service unit (4).
  4. System (1) according to claim 2 or 3, characterized in that the modular service unit (4) comprises means for effecting at least one of the following operations: managing access rights to the at least one remote server (8, 9), managing access rights to at least one service, processing information provided by the at least one remote server (8, 9), processing information provided by the unit navigation (3) .35
  5. 5. System (1) according to one of claims 2 to 4, characterized in that the integration module (11) is configured to allow the modular service unit (4) to access means human-machine interface (12) of the navigation device (2) via the navigation unit (3).
  6. A method of personalizing the functions of a satellite navigation device (2) comprising a navigation unit (3) and bidirectional communication means with at least one remote server (8, 9), in which - it is stored in a storage medium (26) at least one service module (4 ', 4 "4.m) characterized in that the memory medium (26) is connected to the navigation device (2) so as to install the at least one a service module (4 ', 4 ", 4"'), which: - constitutes or supplements a modular service unit (4) present in the navigation device (2), - is configured to interact with the at least one remote server (8, 9) via the bidirectional communication means, the modular service unit (4) being able to exchange data with the navigation unit (3) via an integration module (11) whose is equipped with the navigation device (2).
  7. 7. Method according to claim 6, characterized in that the memory medium (26) comprises at least one of an SD card, a miniSD card, a microSD card, a computer memory.
  8. 8. Method according to claim 7, characterized in that the computer memory is contained in the remote server (8,
  9. 9) for installation via wireless communication. 30
FR0957474A 2009-10-23 2009-10-23 Satellite navigation device for use in service and satellite navigation providing system, has integration module integrated between navigation unit and modular service unit to allow exchange of data between two distinct units Pending FR2951831A1 (en)

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FR0957474A FR2951831A1 (en) 2009-10-23 2009-10-23 Satellite navigation device for use in service and satellite navigation providing system, has integration module integrated between navigation unit and modular service unit to allow exchange of data between two distinct units

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FR0957474A FR2951831A1 (en) 2009-10-23 2009-10-23 Satellite navigation device for use in service and satellite navigation providing system, has integration module integrated between navigation unit and modular service unit to allow exchange of data between two distinct units

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