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WO2007102099A1 - Service de navigation présentant une fonction de pré-analyse - Google Patents

Service de navigation présentant une fonction de pré-analyse Download PDF

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Publication number
WO2007102099A1
WO2007102099A1 PCT/IB2007/050623 IB2007050623W WO2007102099A1 WO 2007102099 A1 WO2007102099 A1 WO 2007102099A1 IB 2007050623 W IB2007050623 W IB 2007050623W WO 2007102099 A1 WO2007102099 A1 WO 2007102099A1
Authority
WO
WIPO (PCT)
Prior art keywords
user
information item
map
fetched
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2007/050623
Other languages
English (en)
Inventor
Alexander P. P. Vrijsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of WO2007102099A1 publication Critical patent/WO2007102099A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3626—Details of the output of route guidance instructions
    • G01C21/3641—Personalized guidance, e.g. limited guidance on previously travelled routes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/10—Map spot or coordinate position indicators; Map reading aids
    • G09B29/102—Map spot or coordinate position indicators; Map reading aids using electrical means

Definitions

  • the invention relates to a method of providing a personal navigation service, wherein the navigation service assists the user with roaming a geographical or virtual area.
  • a navigation apparatus installed on a vehicle.
  • the navigation apparatus receives radio waves from multiple satellites to measure the position of the vehicle.
  • the navigation apparatus connects to a remote center that provides map data using wireless communication.
  • the map data is downloaded and stored at a storage unit in the navigation apparatus.
  • the navigation apparatus obtains the necessary map data from the center to execute function such as route search and/or route guidance.
  • Auxiliary data is shown in the map as rendered, and includes character data, geographical marks and logo- marks.
  • the navigation apparatus displays the map with geographical names, addresses, intersection names, station names and the like.
  • the map may sometimes include map marks such as schools, hospitals, post offices and so on, and these are included in the data representing map marks of facilities. Further, the logo-marks such as marks representing shops, gas stations and so on are included in the auxiliary data.
  • a satellite navigation system comprises a server and a terminal mounted on a user's vehicle.
  • the terminal communicates with the server through a communication network.
  • the terminal receives map data through the communication means, detects a current position of the user's vehicle using a satellite signal, and performs navigating processing for the user based on the map data and the current position.
  • the system further comprises a registering unit and a processing unit.
  • the registering unit is configured to be placed with the server and to store user's individual information.
  • the user's individual information is previously registered in the registering unit.
  • the processing unit is configured to perform the navigating processing by making reference to the user's individual information stored in the registering unit.
  • the user's individual information at least includes one of user's personal information, information about a user's vehicle, and information about geographical matters in which the user is interested.
  • the information about geographical matters includes at least one of a user's favorite location and a route recently used by the user.
  • the users' personal information includes, user by user, the name, address, gender, age, date of birth, authentication ID, race, nationality, height, weight, eyesight, hearing, percent of body fat, unmarried/married, clinical history, telephone number, portable phone carrier, portable phone number, e-mail address, provider's name, postal code, type of house, type of driver's license, renewal date of driver's license, driving history, location of a garage, occupation, occupational category, annual income, managerial position/non-managerial position, hobby, taste for music, favorite leisure, favorite foods, favorite animals, favorite sports, favorite TV/radio programs, favorite seasons, and/or favorite countries.
  • Utilization of the individual information about each user is directed to reflection of the individual information into the navigation function.
  • the individual information is utilized for extracting destinations/locations to be searched by the search function, reflected into routes to be searched, reflected into contents of data to be displayed (such as colors, display types, and font sizes), reflected into contents of data to be guided, reflected into contents to be displayed concerning retrieval of surroundings, and utilized for, according to individual information, providing information, cutting out of a display area and its data, registering data, updating data, deleting data, providing a display method (scale view), changing types of voices, controlling guidance timing, and guiding messages concerning security.
  • the individual information is utilized for guiding a user to a parking lot depending on the type of a user's vehicle, a vehicle height, a vehicle width, and/or a vehicle length, changing or limiting navigation routes, changing font sizes based on a user's age, and/or guiding a route depending on the sex of a user.
  • the server receives the route search request and uses the user's profile flag to determine whether or not the route retrieval should be conducted with reference to the user's profile.
  • This document discloses systems and methods for distributing geographic data to end users for use in their navigation systems. Navigation systems for use on land have become available in a variety of forms and provide for a variety of useful features.
  • One exemplary type of navigation system uses a geographic database that contains data representing features in a geographic area or region, a navigation application program, appropriate computer hardware, such as a microprocessor and memory, and, optionally, a positioning system.
  • the geographic database portion of the navigation system includes information about the positions of roads and intersections in or related to a specific geographic regional area, and may also include information about attributes, such as one-way streets and turn restrictions, as well as about street addresses, alternative routes, hotels, restaurants, museums, stadiums, offices, automobile dealerships, auto repair shops, etc.
  • the geographic data used by a navigation system may be stored locally with the navigation system in the vehicle, or, alternatively, the geographic data may be located remotely and downloaded to the navigation application programs, as needed, via a wireless communications system or other suitable communications channel.
  • the navigation system may be arranged to receive a set of information from a portable data storage medium, such as a flash memory card for instance.
  • the set of information may include (i) an authorization key and (ii) geographic data.
  • the authorization key may define verification information, such as an indication of an entity authorized to access the geographic data and an indication of an entity authorized to hold the geographic data.
  • the geographic data may be divided into at least a first portion and a second portion.
  • the first portion may comprise critical information, such as decompression parameters, indexes and other global parameters, that enables access to the second portion, so as to allow the navigation system to provide navigation services for a user.
  • An object of the invention is to provide a more efficient navigation service than provided by the known systems.
  • the inventor proposes a method of providing a navigation service for assisting a user moving in a space.
  • the method comprises enabling to receive an information item associated with a location of the user in the space.
  • the method is characterized in that the enabling to receive comprises enabling to pre-fetch the information item, and in that the method further comprises determining if the user has accessed the pre-fetched information item and using the determining for tuning the service to the perceived needs of the user.
  • pre- fetching is known from the operation of data processors ("instruction pre- fetching") and from the operation of web-browsers ("link pre- fetching).
  • instruction pre-fetching refers to the processor retrieving an instruction well before it is being executed so as to speed up execution and reduce wait states.
  • link pre-fetching refers to using a browser's idling time to download in the cache documents that the user might visit next, thus reducing perceived download time if such documents are actually visited.
  • information items e.g., navigational maps
  • This aspect of the invention enables the memory at the user's equipment to be used efficiently for only those items expected to become relevant and can be made relatively small. If it can be determined that the user has actually accessed the pre- fetched item, this knowledge can then be used as a representative of the user's next location, orientation or interest for the purpose of the pre-fetching of next information items. Accordingly, the iterative pre-fetching of information items and subsequent determining that they are being used provides a mechanism to minimize the hardware requirements at the user's site. In addition, various business models can be applied to charge the user based on the items actually used (e.g., pay-per-view; pay per set of items; different pricing for different kinds of items, etc.).
  • the service provider carrying out the method in the invention, can determine what items have actually been used by this specific user, a history log can be maintained for this user. The history can then be used to personalize the service next time, e.g., by means of providing personalized context together with the information items.
  • the information items are interactive, i.e., if the items enable user interaction such as zooming-in on a particular aspect of a map, or such as retrieving additional information (about current road conditions or about stores or gas stations available, etc.) through specific user interactions with the map.
  • the method of the invention uses pre-fetching and determining if a pre-fetched item was used so as to tune the service, e.g., by controlling the pre-fetching of a next item.
  • the tuning of the known service is carried out on the basis of a user-profile registered in advance, and not on the basis of what the user has actually accessed.
  • the known system does not pre-fetch and does not tune the service based on the maps actually used.
  • An embodiment of the known system does keep track of the number of uses of the map data for the billing system of the service provider.
  • the tuning of the service as indicated above comprises, for example the enabling to pre-fetch another information item under control of the accessed pre-fetched item, and/or the enabling to build a history of accessing by the user.
  • the information items are encrypted so as for the service provider to build a business model on providing the items.
  • the information items are encrypted using OMA DRM.
  • a resolution of the map is programmable by the user.
  • the service can be further personalized by, for example, supplying the maps in a resolution requested by the user.
  • Other personalizing options include, e.g., color palette for rendering the information item or map, cartographic details of specific interest to this user as can be determined from his/her profile registered in advance, such as restaurants, gas stations, hotels, tourist attractions, etc.
  • the invention is also embodied in an electronic apparatus comprising a receiver operative to cooperate with a navigation server for assisting a user moving in a geographic space.
  • the receiver is configured for receiving or pre-fetch an information item associated with a location of the user in the space.
  • the receiver comprises a memory wherein the receiver is operative to store the information item.
  • the apparatus is configured to send a notification, indicative of the user having accessed the pre-fetched information item, to the server.
  • the information item as pre-fetched is encrypted, and the apparatus is configured to decrypt the information item.
  • the encrypted information item can be decrypted before storing it in the memory, but is preferably decrypted when accessed from the memory by the user.
  • OMA DRM determines the encrypting and decrypting.
  • the information item comprises a map
  • the apparatus has a user interface to enable the user to specify a resolution of the map for rendering.
  • the invention can also be implemented as a software application for installing on an electronic apparatus.
  • the application configures the apparatus to cooperate with a navigation server for assisting a user moving in a geographic space.
  • the apparatus as configured is operative to pre-fetch an information item associated with a location of the user in the space.
  • the apparatus as configured comprises a memory for storing the information item and is operative to send a notification, indicative of the user having accessed the pre- fetched information item, to the server.
  • the information item as pre-fetched is encrypted, and software application configures the apparatus to decrypt the information item.
  • OMA DRM determines the encrypting and decrypting.
  • the information item comprises a map
  • the software application enables the user to specify a resolution of the map for rendering.
  • Fig. 1 is a block diagram of a system in the invention
  • Fig. 2 illustrates the system's operation with pre-fetching navigation maps
  • Fig. 3 is a process diagram of a method in the invention.
  • Fig. 1 is a block diagram of a system 100 in the invention.
  • System 100 comprises a server 102 and a mobile receiver 104.
  • Server 102 and receiver 104 are configured for data communication via a wireless network 106.
  • Receiver 104 has positioning means 108 to enable to determine a position of receiver 104.
  • means 108 comprises a GPS (global positioning system) unit, well known in the art and not further discussed in detail here.
  • means 108 forms part of a telecommunication system, such as a telecommunication network for mobile telephones, wherein base stations are capable of determining a location of means 106 relative to themselves. This is also known in the art and not further discussed in detail here.
  • a user of receiver 104 is moving in a geographic space.
  • Server 102 obtains the current position of receiver 104 in this space, via network 106 or via another network.
  • Server 102 selects one or more information items from a database 110 using the current position as a selection criterion, and communicates the item or items via network 106 to receiver 104.
  • Receiver 104 has a memory 112 for storing the items thus received.
  • Receiver 104 further has a user interface 114 that selectively renders the information items stored in memory 112. The selective rendering is controlled, e.g., automatically by the current position or a change in current position of the user, or is controlled by an explicit user command.
  • system 100 is configured to provide a navigation service for assisting the user of receiver 104.
  • System 100 enables receiver 104 to pre-fetch one or more of the information items associated with the user's current location. If the user has accessed a specific one of the pre-fetched information items, that is, if the specific information item has been rendered to the user, server 102 is being notified. Server 102 then uses this notification about the specific item being accessed for the purpose of tuning the service to this user.
  • respective ones of the information items comprise respective maps of the geographic area wherein the user is moving.
  • one or more maps are pre-fetched and stored in memory 112.
  • the user now can select from among the maps stored the one that is currently relevant to him/her for being rendered in UI 114. If the user selects a specific one of the stored maps, an event is logged in memory 112 for notifying server 102 later or a notification is sent in real-time to server 102.
  • a change in the user's position controls the selection and the rendering of a specific map stored in memory 112. The rendering also controls the logging of the selection event or the sending of the notification to server 102.
  • server 102 can keep track of what maps have been used by this particular user, for example, for billing purposes. Moreover, server 102 can use the selection of a specific one of the maps in memory 112 and the subsequent notification thereof, to select further items or maps from database 110. This is illustrated with reference to Fig. 2 described further below.
  • a map that is accessed from memory 112 can be part of an interactive navigation system incorporated in receiver 104. Driving directions and other pieces of relevant navigational information are then created locally by the receiver. Alternatively, the data representative of the driving directions or of other navigational information is created and sent by the server in real-time for being rendered against the background of the map as displayed in UI 114.
  • OMA DRM is a digital rights management (DRM) system of the Open Mobile Alliance, whose members include mobile telephone manufacturers, telecommunications operators and information technology companies.
  • DRM digital rights management
  • the mission of the Open Mobile Alliance is to facilitate global user adoption of mobile data services by specifying market driven mobile service enablers that ensure service interoperability across devices, geographies, service providers, operators, and networks, while allowing businesses to compete through innovation and differentiation.
  • the OMA DRM system is intended for mobile telephones and enables mobile content providers to add DRM to their products. For further information see, e.g., "Open Mobile Alliance Digital Rights Management, Short Paper", December 2003.
  • receiver 104 is equipped with decrypting means 116.
  • the encrypted item is stored in memory 112 upon receipt and decrypted when accessed from memory 112.
  • decryption means 116 decrypts the encrypted item upon receipt and stores the decrypted item in memory 112.
  • Fig. 2 illustrates a current set 200 of maps 202, 204, 206, 208, 210, 212, 214, 216 and 218 stored in memory 112.
  • Each of maps 202-218 covers a respective part of an area 220.
  • the user has access to these maps that get retrieved from memory 112 for being rendered in UI 114 either automatically based on the user's location or moving direction, or upon user command via UI 114.
  • the user of this example is currently present in the area covered by map 218 in set 200. Assume that the user is using map 218 rendered in UI 114, and assume that the user is moving due north, as indicated by arrow 220, and enters the area covered by map 212 in set 200.
  • Map 212 of set 200 is then retrieved from memory 112 and rendered in UI 114, either automatically or upon a user command.
  • the accessing of map 212 in collection 200 causes a notification to be sent via network 106 to server 102.
  • Server 102 thereupon retrieves from database 110 a new set 222 of maps and communicates new set 222 to receiver 104 for being stored in memory 112.
  • New set 222 comprises extended versions of maps 212, 214 and 210, and reduced versions of maps 216, 218 and 208. If the user proceeds due north, maps 218 and 212 of set 222 are going to become relevant and may be accessed automatically, under control of the actual position of the user, or manually under user commands.
  • the user may specify the resolution of the maps to be pre-fetched and may request, e.g., higher resolution maps near the destination of the journey, or for specific geographic areas such as towns and cities, and lower resolution maps for long stretches of highway.
  • This then enables the service provider to efficiently use the communication bandwidth by means of selecting per map the resolution and geographical area covered, and optimizes the cost to the user as he/she only will get billed for those maps that are accessed and relevant.
  • service providers can commercially exploit the information about the maps actually accessed. This could especially be interesting if the map as accessed is relatively small with respect to the time needed to traverse the area covered by the map, so that traffic movement can be analyzed in detail. This in turn could be interesting to third parties such as traffic regulators, city planners, transportation departments, business consultants etc.
  • Server 102 determines which maps to send, based on the geographic position of receiver 104. In an embodiment of the invention, this may require that server 102 maintain a list of all maps that are already stored at receiver 104 in order to avoid sending duplicate maps. In another embodiment receiver 104 requests the maps that it is missing. Assume for example that all maps of set 200 are available in memory 112 in full detail, but that only map 218 is being rendered in UI 114. When receiver 104 moves north in Fig. 2, all the maps in set 222 are already in the receiver's memory, except maps 232, 234 and 236. Receiver 104 could now request server 102 via network 106 to send maps 232, 234 and 236, so that only these three have to be sent.
  • maps 202, 204, 206, 208, 210, 212, 214 and 216 of set 200 are only available as smaller portions of larger maps so as to provide a navigational context for map 218 covering the area wherein the user is moving.
  • map 212 in set 200 covers a small part of the area covered by map 212 in set 222.
  • receiver 104 Upon the user moving from the area covered by map 218 in set 200 into the area covered by map 212 in set 200, receiver 104 notifies server 102 of this event, whereupon set 222 is being downloaded to receiver 104, possibly overwriting the data of previous set 200 in memory 112.
  • Fig. 3 is a process diagram of a method 300 in the invention. The diagram only illustrates the relevant steps of system 100 in operational use and is not complete, e.g., with regard to starting or aborting the process.
  • a step 302 the position of receiver 104 is determined.
  • one or more information items are selected from database 110. The selected item or items are associated with the position determined in step 302.
  • the selected items are communicated to receiver 104 for being cached in memory 112.
  • a notification is received that a specific one of the items, cached in memory 112, has been accessed.
  • this notification is used to update the access history for this user, e.g., for billing or for profiling or for another purpose.
  • the notification is also used to determine a criterion for selecting another item from database 110, returning to step 304.
  • an embodiment of the invention relates to a service for providing navigational information to a mobile receiver.
  • the service supplies in a background process one or more information items, e.g., maps, based on the geographic location of the receiver.
  • the user of the receiver is enabled to retrieve the items from local storage whereupon the service provider gets notified of this retrieval.
  • the items can have an interactive character, and the interaction can also be reported to the service provider.
  • the notifications can be used to determine the costs to be charged to the user of the receiver or can be used to determine the current interest of this user, etc., or to otherwise tune the service to this specific user's need.
  • the items are preferably supplied as being encrypted (e.g., OMA DRM) and the individual user can register for a decryption key for operational use.
  • OMA DRM OMA DRM
  • Another option is that every time the user needs an item, such as a map, he/she also needs to obtain an OMA rights-object, which contains the key.
  • the rights-object in this case typically provides the right to use the map one time. If the user needs a map again, he/she has to obtain a new rights-object. In this manner, the service can track how often certain maps are being used. This information can then be used, e.g., to optimize the caching strategy for this user, as well as for others users or can be used for other business models.
  • the billing could be done before (subscription), for every rights object separately (micro payments) or afterwards (e.g., together with the telephone bill).
  • Other business models can provide advertising based on the maps or destinations that are used, provide information on which routes/areas attract most tourists or other infrequent visitors assuming that people using the map are infrequent visitors. What has been specified about maps can also be applied, mutatis mutandis, to other information items such as context information relating to the geographic area wherein the user is traveling (traffic updates, weather updates, tourist information, etc.).

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Navigation (AREA)

Abstract

L'invention concerne un service de navigation permettant d'assister un utilisateur qui se déplace dans un espace géographique. Ce service permet à l'utilisateur de recevoir un élément d'information associé à une position de l'utilisateur dans l'espace. L'élément est pré-analysé est stocké localement. Le service détermine si l'utilisateur a accédé à l'élément d'information pré-analysé et, le cas échéant, ajuste le service en fonction des besoins perçus de l'utilisateur.
PCT/IB2007/050623 2006-03-07 2007-02-27 Service de navigation présentant une fonction de pré-analyse Ceased WO2007102099A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06110776 2006-03-07
EP06110776.9 2006-03-07

Publications (1)

Publication Number Publication Date
WO2007102099A1 true WO2007102099A1 (fr) 2007-09-13

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PCT/IB2007/050623 Ceased WO2007102099A1 (fr) 2006-03-07 2007-02-27 Service de navigation présentant une fonction de pré-analyse

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US10599570B1 (en) 2014-06-20 2020-03-24 Google Llc Expiration of offline map data

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WO2002099597A2 (fr) * 2001-06-07 2002-12-12 Unwired Express, Inc. Procede et systeme assurant la connaissance du contexte
US20030069691A1 (en) * 2001-10-09 2003-04-10 Schroeder Daryl D. Navigation device for receiving satellite broadcast distribution of map data
JP2003143642A (ja) * 2001-10-30 2003-05-16 Nippon Hoso Kyokai <Nhk> 提供情報受信装置
JP2003179972A (ja) * 1996-04-24 2003-06-27 Fujitsu Ltd 移動通信システム並びに同移動通信システムに使用される移動端末及び記憶媒体
EP1437571A1 (fr) * 2001-10-16 2004-07-14 Matsushita Electric Industrial Co., Ltd. Terminal
EP1441196A1 (fr) * 2001-11-02 2004-07-28 Matsushita Electric Industrial Co., Ltd. Appareil terminal
US20040198395A1 (en) * 1996-04-24 2004-10-07 Takashi Kimoto Mobile communicating system, and a mobile terminal, an information center and a storage medium used therein
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US6115611A (en) * 1996-04-24 2000-09-05 Fujitsu Limited Mobile communication system, and a mobile terminal, an information center and a storage medium used therein
JP2003179972A (ja) * 1996-04-24 2003-06-27 Fujitsu Ltd 移動通信システム並びに同移動通信システムに使用される移動端末及び記憶媒体
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WO2002099597A2 (fr) * 2001-06-07 2002-12-12 Unwired Express, Inc. Procede et systeme assurant la connaissance du contexte
US20030069691A1 (en) * 2001-10-09 2003-04-10 Schroeder Daryl D. Navigation device for receiving satellite broadcast distribution of map data
EP1437571A1 (fr) * 2001-10-16 2004-07-14 Matsushita Electric Industrial Co., Ltd. Terminal
JP2003143642A (ja) * 2001-10-30 2003-05-16 Nippon Hoso Kyokai <Nhk> 提供情報受信装置
EP1441196A1 (fr) * 2001-11-02 2004-07-28 Matsushita Electric Industrial Co., Ltd. Appareil terminal
US20050288859A1 (en) * 2004-03-23 2005-12-29 Golding Andrew R Visually-oriented driving directions in digital mapping system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10599570B1 (en) 2014-06-20 2020-03-24 Google Llc Expiration of offline map data

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