WO2002021873A1 - Appareil fournissant des informations de localisation, terminal de communication, terminal de communication mobile et procede de fourniture d'information de localisation - Google Patents
Appareil fournissant des informations de localisation, terminal de communication, terminal de communication mobile et procede de fourniture d'information de localisation Download PDFInfo
- Publication number
- WO2002021873A1 WO2002021873A1 PCT/JP2001/007683 JP0107683W WO0221873A1 WO 2002021873 A1 WO2002021873 A1 WO 2002021873A1 JP 0107683 W JP0107683 W JP 0107683W WO 0221873 A1 WO0221873 A1 WO 0221873A1
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- WO
- WIPO (PCT)
- Prior art keywords
- positioning
- location information
- position information
- terminal
- communication terminal
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/53—Network services using third party service providers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/10—Mobility data transfer between location register and external networks
Definitions
- Position information providing device communication terminal, mobile communication terminal and position information providing method TECHNICAL FIELD
- the present invention relates to a position information providing device for providing position information of a mobile communication terminal, a communication terminal, a mobile communication terminal, and position information. Regarding the provision method.
- a position information providing service for providing position information of mobile terminals such as PHS (Personal Handyphone System: registered trademark) terminals and mobile phones to various terminals via a communication network has been put to practical use.
- a location information providing system that provides such services is connected to a communication network such as a mobile communication network or the Internet, and acquires location information of mobile devices in response to requests from terminals, Send to
- the ID of the wireless zone in which the mobile station is located and the ID of the exchange that controls the wireless zone are provided for each mobile device accommodated in the mobile communication network for calls and packet communication. It is registered with the service control station, and the current location search service and location tracking service that use these wireless zone IDs and exchange IDs as location information of mobile units have already been implemented. Also, among such location information providing services, for example, when a mobile device has a built-in GPS (Global Positioning System) receiver, higher-precision positioning is performed using this GPS receiver. Some of them can provide location information of mobile devices to service users.
- GPS Global Positioning System
- the location information providing system acquires the location information of a mobile device having a built-in GPS receiver
- the location information providing system acquires the wireless zone ID and the exchange ID of the mobile device from the service control station of the mobile communication network. And a method for acquiring the location information of this mobile device using a GPS receiver. Information can be obtained.
- many mobile devices capable of positioning using a plurality of positioning methods have been put into practical use in recent years.
- various types of position information providing systems have been developed. Functions are being expanded to provide location information on mobile devices using positioning methods.
- An object of the present invention is to obtain position information using an optimal positioning method according to a service user's request when position information of a mobile communication terminal can be obtained using a plurality of positioning methods. It is an object of the present invention to provide a position information providing device, a communication terminal, a mobile communication terminal, and a position information providing method that can be transmitted to a notification destination terminal.
- the present invention provides a receiving means for receiving, from a terminal which has issued a positioning request, identification information for identifying a mobile communication terminal to be located, a positioning quality condition indicating a condition relating to positioning quality, and Selecting means for selecting a positioning method suitable for the received positioning quality condition from among a plurality of positioning methods capable of positioning the position of the mobile communication terminal specified by the received specific information; and selecting by the selecting means Position information comprising: an obtaining unit that obtains position information of the mobile communication terminal based on the obtained positioning method; and a transmitting unit that transmits the position information obtained by the obtaining unit to a terminal designated as a notification destination.
- a providing device is provided.
- the present invention provides a position information providing apparatus, comprising: a receiving step of receiving, from a terminal of a positioning request source, specifying information for specifying a mobile communication terminal to be positioned, a positioning quality condition indicating a condition relating to positioning quality, and A plurality of positioning units that are capable of positioning the position of the mobile communication terminal specified by the specific information received in the receiving process.
- a selection step of selecting a positioning method suitable for the positioning quality condition received in the receiving step, and the position information providing apparatus performs the movement based on the positioning method selected in the selection step.
- a location information providing apparatus comprising: an acquisition step of acquiring location information of a communication terminal; and a transmission step in which the location information providing apparatus transmits the location information acquired in the acquisition step to a terminal designated as a notification destination. Provide a way.
- the position information providing apparatus can determine the position of the mobile communication terminal that is most suitable for the positioning quality condition received from the terminal requesting the positioning. Is selected, and the location information of the mobile communication terminal based on this positioning method is acquired and transmitted to the terminal of the notification destination.
- the present invention provides a receiving means for receiving from a terminal of a positioning request source specific information for specifying a mobile communication terminal to be positioned, a positioning quality condition indicating a condition relating to positioning quality, Setting means for setting priorities to use each positioning method based on the received positioning quality condition for a plurality of positioning methods capable of positioning the position of the mobile communication terminal specified by the information; and The location information of the mobile communication terminal based on the positioning method is obtained in the order of the positioning method with the highest priority set, and if the position information cannot be obtained, the next highest priority is set.
- Acquiring means for acquiring position information of the mobile communication terminal based on a positioning method; and transmitting means for transmitting the position information acquired by the acquiring means to a terminal designated as a notification destination.
- Providing positional information providing apparatus comprising.
- the present invention provides a position information providing apparatus, comprising: a receiving step of receiving, from a terminal of a positioning request source, specifying information for specifying a mobile communication terminal to be positioned, a positioning quality condition indicating a condition relating to positioning quality, and
- the position information providing apparatus may determine, for a plurality of positioning methods capable of positioning the position of the mobile communication terminal specified by the specific information received in the receiving process, the positioning quality received in the receiving process.
- a setting step of setting priorities using the respective positioning methods based on the conditions, and the position information providing device performs the setting based on the positioning methods in order from the positioning method having the highest priority set in the setting process.
- a position information providing method comprising: an obtaining step of obtaining; and a transmitting step in which the position information providing apparatus transmits the position information obtained in the obtaining step to a terminal designated as a notification destination.
- the position information providing apparatus can receive the priority using each positioning method from the positioning requesting terminal. Set based on quality conditions, determine the positioning method according to this priority, acquire the location information of the mobile communication terminal, and send it to the notification destination terminal o
- the present invention is a communication terminal that requests a position information providing device that provides position information obtained by measuring the position of a mobile communication terminal to provide the position information, wherein the position information is acquired.
- Identification information for identifying a mobile communication terminal, and the position information providing device refers to a location system to be used for selecting a location system to be used from among a plurality of location systems capable of positioning the location of the mobile communication terminal.
- a communication terminal comprising: input means for inputting a positioning quality condition indicating a condition related to the quality of the information; and transmitting means for transmitting the specific information and the positioning quality condition input by the input means to the position information providing device. provide.
- the location information providing device transmits the location information of the mobile communication terminal to be acquired.
- a positioning quality condition to be referred to for selecting a positioning method to be used from among a plurality of positioning methods capable of positioning, and identification information of a mobile communication terminal from which position information is to be acquired are transmitted to the position information providing apparatus. .
- the present invention is a mobile communication terminal that requests a position information providing device that provides position information obtained by measuring the position of the mobile communication terminal to provide the position information of the terminal itself.
- Input means for inputting a positioning quality condition indicating a condition relating to the quality of positioning of the position information of the own terminal requesting provision of the own terminal, and, among a plurality of positioning methods capable of measuring the position of the own terminal, the input means Selecting means for selecting a positioning method suitable for the input positioning quality condition; andtransmitting means for transmitting the positioning method selected by the selecting means and identification information for identifying the terminal to the position information providing apparatus.
- Move A mobile communication terminal is provided.
- the mobile communication terminal when the mobile communication terminal requests the location information providing device to provide the location information of the own terminal, the mobile communication terminal includes, among the plurality of positioning methods capable of positioning the location of the own terminal, the input positioning method A positioning method most suitable for the quality condition is selected, and the positioning method and the specific information of the terminal are transmitted to the position information providing device.
- the present invention is a mobile communication terminal that requests a position information providing device that provides position information obtained by measuring the position of the mobile communication terminal to provide the position information of the terminal itself.
- Input means for inputting a positioning quality condition indicating a condition relating to the positioning quality of the position information of the own terminal requesting provision of the own terminal; and the input means for a plurality of positioning methods capable of measuring the position of the own terminal.
- Setting means for setting priorities using the respective positioning methods based on the positioning quality conditions input by the control unit; and the priority information of the respective positioning methods set by the setting means and identification information for specifying the own terminal, and the position information.
- a mobile communication terminal including a transmission unit for transmitting to an information providing device.
- FIG. 1 is a diagram illustrating an overall configuration of a communication system according to an embodiment of the present invention.
- FIG. 2 is a data configuration of a base station ID table stored in a positioning center according to the embodiment.
- FIG. 3 is a diagram illustrating a data configuration of an area ID table stored in the positioning center according to the embodiment.
- FIG. 4 is a diagram illustrating a data configuration of a sector ID table stored in the positioning center according to the embodiment.
- FIG. 5 is a block diagram illustrating the configuration of the simplified mobile phone according to the embodiment.
- FIG. 6 is a block diagram illustrating the configuration of the mobile phone according to the embodiment.
- FIG. 7 is a block diagram illustrating a configuration of the location information service server according to the embodiment.
- FIG. 8 is a diagram illustrating a data configuration of the subscriber information DB stored in the location information service server according to the embodiment.
- FIG. 9 is a diagram illustrating a data configuration of the positioning method DB stored in the position information service server according to the embodiment.
- FIG. 10 is a sequence chart for explaining the operation of each device when executing the registration function of the location information service according to the embodiment.
- FIG. 11 is a sequence chart for explaining the operation of each device when the reference function of the location information service according to the embodiment is executed.
- FIG. 12 is a sequence chart for explaining the operation of each device when executing the conversion function of the location information service according to the embodiment.
- FIG. 13 is a sequence chart illustrating the operation of each device when executing the notification function of the location information service according to the embodiment.
- FIG. 14 is a sequence chart illustrating the operation of each device when executing the positioning function (pseudo positioning method) of the position information service according to the embodiment.
- FIG. 15 is a diagram exemplifying a positioning quality condition input screen in the service terminal according to the embodiment.
- FIG. 16 is a sequence chart illustrating the operation of each device when the positioning function (actual positioning method) of the position information service according to the embodiment is executed.
- FIG. 17 is a sequence chart for explaining the operation of each device when executing the search function of the location information service according to the embodiment.
- FIG. 18 is a sequence chart illustrating the operation of each device in the information providing service using the self-location search function of the location information service according to the embodiment.
- Fig. 19 shows the self-location registration function of the location information service according to the embodiment.
- 5 is a sequence chart illustrating an operation of each device in the information providing service.
- FIG. 20 is a sequence chart illustrating the operation of each device in the information providing service using the third-party location search function of the location information service according to the embodiment.
- FIG. FIG. 22 is a sequence chart illustrating the operation of each device in the information providing service using the third-party location registration function of the information service.
- FIG. 22 is stored in the location information service server according to the first modification of the present invention. It is a figure which illustrates the data structure of a positioning center table.
- FIG. 23 is a sequence chart showing a modification of the positioning function (actual positioning method) shown in FIG. 16 according to the first modification.
- FIG. 24 is a sequence chart showing another modified example of the positioning function (actual positioning method) shown in FIG. 16 according to Modified Example 2 of the present invention.
- FIG. 25 is a sequence chart showing a modified example of the positioning function (pseudo-positioning method) shown in FIG. 14 according to Modified Example 3 of the present invention.
- FIG. 26 is a diagram showing a screen display example of a situation where a positioning method is selected in the service terminal according to the third modification.
- FIG. 27 is a diagram showing an example of a screen display in a case where the priority of each positioning method is set in the service terminal according to the third modification.
- FIG. 28 is a diagram illustrating an outline of a configuration of a communication system according to Modification 4 of the present invention.
- FIG. 29 is a diagram illustrating data of a subscriber information DB stored in a location information service server according to Modification 4. It is a figure which illustrates a structure.
- FIG. 30 is a sequence chart for explaining the operation of each device when executing the search function in the communication system according to the fourth modification.
- FIG. 31 is a sequence chart showing an operation of each device when acquiring position information of a mobile device having an independent positioning function according to the fifth modification of the present invention.
- FIG. 32 shows a modification of the registration function shown in FIG. 10 according to a modification 6 of the present invention.
- This is a sequence chart.
- BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described. These embodiments show one aspect of the present invention, and do not limit the present invention, and can be arbitrarily changed within the scope of the present invention.
- FIG. 1 is a diagram illustrating an overall configuration of a communication system according to the present embodiment.
- a simple mobile phone 10 is a mobile device accommodated in a simple mobile phone network 12 such as a PHS.
- the simple mobile phone 10 performs wireless communication with the base station 11 of the simple mobile phone network 12 and can receive a call service of PHS.
- the mobile phone 20 is a mobile device accommodated in a mobile phone network 22 such as a PDC (Personal Digital Cellular).
- the mobile phone 20 performs wireless communication with the base station 21 of the mobile phone network 22 to receive a PDC call service.
- the mobile phone 30 is a mobile device accommodated in the mobile packet communication network 32.
- the mobile phone 30 performs wireless communication with the base station 31 of the mobile bucket communication network 32 to receive a packet communication service.
- the mobile phone 30 has a built-in GPS receiver 34.
- the GPS receiver 34 By using the GPS receiver 34, the mobile phone 30 can acquire high-precision location information including latitude, longitude, and altitude (above sea level) and high-precision current time information. it can.
- the mobile phone 30 may have a form in which the GPS receiver 34 can be connected, instead of incorporating the GPS receiver 34.
- the gateway server 40 is provided between a mobile communication network such as a simple mobile phone network 12, a mobile phone network 22 and a mobile packet communication network 32 and the Internet 70, and transmits data between networks having different communication protocols. Relay the exchange of More specifically, for example, for example, the gateway server 40 is a mobile packet communication network 3
- the mobile packet communication network performs mutual conversion between the communication protocol for 2 and the Internet 70's standard communication protocol TCP / IP (Transmission Control Protocol I Internet Protocol) and UDPZ IP (User Datagram Protocol I Internet Protocol). It relays the exchange of data between 32 and the Internet 70.
- TCP / IP Transmission Control Protocol I Internet Protocol
- UDPZ IP User Datagram Protocol I Internet Protocol
- the location information service server 45 provides a location information service to a terminal 80 such as a personal computer connected to the Internet 70, an IP (Information Provider) server 90, mobile devices 10, 20, and 30.
- the location information service server 45 is provided as a separate device from the gateway server 40. This is for distributing the load related to the location information service, which increases as the location information service becomes more sophisticated and the number of service users increases, from the gateway server 40, and reduces the load on the gateway server 40.
- communication terminals such as the mobile devices 10, 20, 30, the terminal 80, and the IP server 90 that can receive the location information service provided by the location information service server 45 are referred to as service terminals.
- the positioning center 50 has a function of acquiring and storing position information of each of the mobile devices 10, 20, and 30.
- the position information of each of the mobile devices 10, 20, and 30 stored in the positioning center 50 will be described.
- a service control station (not shown) identifies, for each simplified mobile phone 10, a base station that identifies the wireless zone of the base station 11 in which the simplified mobile phone 10 is currently located.
- the station ID is registered.
- the positioning center 50 periodically accesses the service control station of the portable cellular phone network 12 to acquire the base station ID of each portable cellular phone 10. Then, as shown in FIG.
- the positioning center 50 obtains the telephone number of each portable cellular phone 10, the acquired base station ID, and the acquired date and time information acquired from the portable cellular phone network 12.
- the base station ID table 50a in association with each other.
- the upper four digits of the acquisition date and time information indicate the date and the lower four digits indicate the time.
- an area ID for identifying a service area where the mobile telephone 20 is currently located is registered for each mobile telephone 20 in a service control station (not shown). .
- the service area is an area configured by a wireless zone of a plurality of base stations 21.
- the positioning center 50 periodically accesses a service control station of the mobile phone network 22 to acquire an area ID of each mobile phone 20. Then, as shown in FIG. 3, the positioning center 50 associates the telephone number of each mobile phone 20, the obtained area ID, and the acquisition date and time information obtained from the mobile phone network 22 with this area ID. Also, in the mobile packet communication network 32, the service control station (not shown) uses, for each mobile phone 30, the radio in which the mobile phone 30 is currently located in the mobile packet communication network 32. A sector ID that identifies the sector of the zone is registered. Here, the sector is a partial area of the wireless zone divided by the directional antenna of the base station 31.
- the positioning center 50 periodically accesses the service control station of the mobile packet communication network 32 to acquire the sector ID of each mobile phone 30. Then, as shown in FIG. 4, the positioning center 50 associates the telephone number of each mobile phone 30, the acquired sector ID, and the acquisition date and time information acquired from the mobile packet communication network 32 with this sector ID. And stored in the sector ID table 50c.
- the power of the mobile phone 30 is not turned on or when the mobile phone 30 is located outside the service area, as shown in FIG. 4, the mobile phone 30 is located in any sector.
- the symbol "one" indicating that there is no data is stored in the "Sector ID" item.
- the positioning center 50 has a GPS correction unit 50d.
- the GPS correction unit 50d corrects the GPS measurement value of the mobile phone 30 measured by the D (Differential) -GPS method based on the GPS measurement error value held by the positioning center 50 itself. . Further, the GPS correction unit 50d associates the position information of the located mobile phone 30 with the telephone number of the mobile phone 30 and the like in the GPS correction unit 50d with latitude / longitude not shown. Store in table.
- the positioning center 50 uses the position information of each mobile device 10, 20, 30 as history information. Then, the data may be accumulated for a predetermined period. In this case, the positioning center 50 can store a plurality of pieces of location information instead of storing only one piece of the latest location information for each of the mobile devices 10, 20, and 30.
- the position information of each mobile device 10, 20, 30 stored in the positioning center 50 has various data formats such as a base station ID format, an area ID format, a sector ID format, and a GPS format. It is.
- each service terminal has a data format for the location information that you want to use. For example, some service terminals want to use location information in the data format consisting of latitude, longitude, and altitude, while others want to use location information in the base station ID format. There are also service terminals that want to use location information in data format, such as administrative divisions such as municipal names and addresses.
- the position information conversion device 60 includes various conversion tables for converting the data format of the position information into another data format.
- the data format of the position information can be handled by each service terminal. It can be converted to the data format desired by each service terminal.
- the IP server 90 provides the content related to the location information provided from the location information service server 45 to the terminal 80 and the mobile devices 10, 20, 30. Also, the terminal 80 and the IP server 90 can directly access the location information service server 45 via the Internet 70.
- FIG. 5 is a block diagram illustrating the configuration of the simplified mobile phone 10.
- the simplified mobile phone 10 has a control unit 10A, a radio unit 10B, and a user interface unit 10C, and the units are connected to each other via a bus 10D.
- the control unit 10A includes a CPU, a memory, and the like, and controls each unit of the simple mobile phone 10.
- Radio section 10 B controls radio communication performed with base station 11.
- the user interface unit 1 ° C is composed of a microphone, a speaker, and a voice processing unit for telephone calls, an operation panel for inputting numbers and letters, operation instructions, and a liquid crystal display unit.
- the configuration of the mobile phone 20 is the simple configuration illustrated in FIG. Since the configuration is substantially the same as that of the mobile phone 1o, the description is omitted.
- FIG. 6 is a block diagram illustrating a configuration of the mobile phone 30.
- the mobile phone 30 includes a control unit 30A, a radio unit 30B, and a user interface unit.
- This mobile phone 30 has a 30 C and GPS receiver 34, and each unit is connected to each other via a bus 3 OD.
- This mobile phone 30 is different from the mobile phone 20 in that packet communication is possible and that a GPS receiver 34 is built-in. . ? 3
- the receiver 34 receives signals from a plurality of GPS satellites and measures the current position of the mobile phone 30, the current time, and the like. These measured values are transmitted from the radio unit 30B to the positioning center 50 via the base station 31 and the mobile packet communication network 32, and subjected to D-GPS correction by the GPS correction unit 50d.
- the mobile phone 30 has application software and a browser function for receiving the provision of the location information service. ⁇ 3. Configuration of location information service server>
- FIG. 7 is a block diagram illustrating the configuration of the location information service server 45.
- the location information service server 45 includes a communication control unit 451, a control unit 452, a subscriber information DB (Data base) 453, a positioning method DB 454, and a location information registration DB.
- the communication control unit 451 controls data communication performed between each service terminal, the positioning center 50, and the position information conversion device 60.
- the control unit 452 includes a CPU, a memory, and the like, and controls each unit of the location information service server 45.
- the subscriber information DB 453 is a database storing subscriber information of the location information service. As shown in FIG. 8, the subscriber information DB 453 includes, for each “subscriber ID” assigned to each subscriber of the location information service, the “telephone number” of the service terminal owned by the subscriber. , “E-mail address”, and “IP address” are stored. As the IP address, for example, an IPv4 (Internet Protocol version 4) format or an IPv6 format IP address can be used.
- IPv4 Internet Protocol version 4
- the subscriber information DB 453 is referred to in order to specify a service terminal of a positioning request source or a notification destination, or the mobile devices 10, 20, and 30 to be positioned.
- the control unit 452 can specify the mobile units 10, 20, and 30 to be located by the “telephone number” and the “e-mail address j.”
- the subscriber information DB 453 shown in FIG. (Name, address, date of birth, gender, age, etc.) may be stored in association with the “subscriber ID”.
- FIG. 9 is a diagram illustrating a data configuration of the positioning method DB 454.
- the positioning method DB 454 stores, for each “subscriber ID”, all positioning methods capable of positioning the positions of the mobile devices 10, 20, and 30 owned by the subscriber. ing.
- “base station ID method”, “area ID method”, “sector ID method”, “A method (GP S)”, “B method (GPS)” , And C method (GPS) are provided.
- “1" is set for the positioning method and 1 is set for the non-positionable positioning method. "0" is stored.
- the positioning method DB 454 is created based on the model information of the mobile devices 10, 20, and 30 owned by the subscriber when the location information service is subscribed.
- the location information registration DB 455 stores the location information instructed to be registered by the service terminal and its accompanying information.
- the auxiliary information includes, for example, the positioning method and the acquisition date and time information of the position information, information for identifying the mobile device 10, 20, 30 to be positioned, and the state of the mobile device 10, 20, 30 at the time of positioning (for example, , “Moving” or “stopped”).
- the charging management DB 456 stores charging information of each subscriber accompanying the use of the location information service.
- the control unit 452 may, for example, charge for each subscriber according to the amount of access to the location information service server 45 and the positioning method used to acquire the location information. Is calculated and stored in the charge management DB 456.
- the amount of access to the location information service server 45 is calculated based on, for example, the access time and the number of accesses.
- the acquisition of location information for example, one use amount is determined for each positioning method, and the charge amount is calculated according to the type of the used positioning method, the number of acquisitions, and the like.
- the DB 457 stores, for each subscriber, authentication information for judging the validity of this subscriber and authorization information indicating service contents permitted for this subscriber. I have.
- the location information service server 45 When receiving the access request from the service terminal, the location information service server 45 performs user authentication by referring to the subscriber information DB 453 and the authentication / authorization DB 457. Further, upon receiving a service request from a service terminal, the location information service server 45 authenticates whether or not the service request is a service within a range permitted for the subscriber. Line with reference to authorization DB 4 5 7
- an SSL Secure Socket Layer
- SSL Secure Socket Layer
- the basic functions of the location information service provided by the location information service server 45 can be broadly classified into six functions: a registration function, a reference function, a conversion function, a notification function, a positioning function, and a search function. The operation of each of these basic functions will be described below.
- the registration function is a function for registering location information and the like in the location information registration DB 455 of the location information service server 45 ⁇ .
- the system for executing this registration function Fig. 10 shows an example.
- the terminals requesting registration are, specifically, the mobile devices 10, 20, 30, the terminal 80, and the IP server 90.
- the terminal requesting registration transmits a registration request to the location information service server 45 (step S1).
- This registration request includes a command for instructing registration, the subscriber ID of the registration request source, the location information to be registered, and the subscriber information for specifying the mobile device 10, 20, 30 at which the location information was located. ing.
- the location information service server 45 stores the location information included in the registration request and the subscriber IDs of the mobile devices 10, 20, and 30 in which the location information was located in the location information registration DB 45 5 (Step S2).
- additional information such as the above-described positioning method and information at the time of acquisition can be added.
- the location information service server 45 transmits a registration response indicating that the registration of the location information is completed to the terminal that has issued the registration request (step S3).
- the reference function is a function for referring to position information registered in the position information registration DB 455 and the like.
- Figure 11 shows a sequence chart for executing this reference function. It should be noted that the reference requesting terminal in the figure is, specifically, the mobile devices 10, 20, and 30, the terminal 80, and the IP server 90.
- the terminal of the reference request source transmits a reference request to the location information service server 45 (step S11).
- the reference request includes a command for instructing the reference, the subscriber ID of the requester of the reference, the subscriber information specifying the mobile stations 10, 20, and 30 to be referred to, and the limiting conditions.
- the limiting condition is, for example, information that limits the range of the acquisition date and time of the position information to be referenced, information that limits the positioning method, and the like.
- the location information service server 45 Upon receiving the reference request, the location information service server 45 first searches the subscriber information DB 453 using the subscriber information included in the reference request as a key, and searches the mobile devices 10, 20, and 30 to be referred to. Get the subscriber ID of. Next, the location information service server 45 sends the location information registration DB 45 5 5 according to the subscriber ID and the limited conditions. And retrieves the corresponding position information (step S12). Then, the location information service server 45 returns a reference response including the acquired location information and its attached information to the terminal that has issued the reference request (step S13).
- the conversion function is a function for converting the data format of the position information.
- Figure 12 shows a sequence chart for executing this conversion function. It should be noted that, in the figure, the conversion requesting terminal is, specifically, the mobile device 10, 20, 30, the terminal 80, or the IP server 90.
- the conversion requesting terminal transmits a conversion request to the location information service server 45 (step S21).
- This conversion request includes a command for instructing conversion, a subscriber ID of a conversion request source, information for specifying location information to be converted, information for specifying a pre-conversion and post-conversion data format, and the like.
- the location information service server 45 Upon receiving the conversion request, the location information service server 45 acquires the location information of the conversion target from the location information registration DB 455 or the like according to the information specifying the location information of the conversion target included in the conversion request. (Step S22). Then, the position information service server 45 transmits the conversion request to the position information conversion device 60 (step S23).
- This conversion request includes a command for instructing conversion, the position information of the conversion target acquired in step S22, information specifying the data format before and after conversion, and the like.
- position information conversion device 60 Upon receiving the conversion request, position information conversion device 60 first determines a conversion table to be used for conversion processing according to information specifying the data format before and after conversion included in the conversion request. Then, the position information conversion device 60 converts the data format of the position information using the conversion table (step S24). Thereafter, the position information conversion device 60 returns the position information in the converted data format to the position information service server 45 as a conversion response (step S25). When the location information service server 45 receives the conversion response from the location information conversion device 60, the location information service server 45 returns the location information included in the conversion response to the conversion requesting terminal as a conversion response (step S26). ). In step S21, the conversion request transmitted from the conversion requesting terminal to the position information service server 45 may include the position information itself to be converted.
- the notification function is a function for notifying that the location information has been registered in the location information service server 45 or the location information itself to the terminal designated as the notification destination.
- Figure 13 shows a sequence chart for executing this notification function. It should be noted that the notification requesting terminal and the notification destination terminal in the figure are, specifically, the mobile devices 10, 20, 30 and the terminal 80, and the IP server 90.
- the notification requesting terminal transmits a notification request to the location information service server 45 (step S31).
- This notification request includes a command for instructing notification, the subscriber ID of the notification request source, and subscriber information for specifying the terminal to be notified.
- the location information service server 45 When the location information service server 45 receives the notification request, the location information service server 45 searches the subscriber information DB 45 3 using the subscriber information for identifying the notification destination terminal included in the notification request as a key, and the notification destination terminal Is identified (step S32). Then, the location information service server 45 transmits, to the notification destination terminal, a notification instruction indicating that the location information acquired in response to the positioning request has been registered in the location information registration DB 455 (step Step S33). Thereafter, the location information service server 45 returns a notification response indicating that the notification has been completed to the notification requesting terminal (step S34).
- the location information service server 45 obtains the corresponding location information registered in the location information registration DB 455 and its accompanying information, and notifies the location information and the attached information.
- the configuration may be such that the location information is transmitted to the notification destination terminal from the location information service server 45.
- a configuration that includes only auxiliary information such as date and time may be used.
- the user at the notification destination terminal obtains the position that he / she wants to acquire from the additional information such as the registration date and time included in the received notification instruction.
- the information is specified, and the location information is obtained from the location information service server 45 using the reference function.
- the positioning function is a function to measure the positions of the mobile devices 10, 20, and 30 in response to a request from the terminal.
- This positioning function is based on a pseudo positioning method that obtains corresponding position information from the position information of the mobile devices 10, 20, and 30 stored in the positioning center 50, and a mobile device that responds to a positioning request.
- An actual positioning method for actually measuring the positions of 10, 20, and 30 is roughly classified into:
- FIG. 14 is a sequence chart when the pseudo positioning method is executed. It should be noted that the sequence chart shown in the figure shows a case where the positioning request source terminal transmits a positioning request of its own position to the location information service server 45, that is, the positioning request source terminal is the positioning target mobile station 10 , 20 and 30 are described. As shown in the figure, first, the mobile stations 10, 20, and 30 of the positioning request source perform processing for prompting the user to input the positioning quality conditions necessary for performing the positioning request (step S 10). 4 1 A).
- the positioning quality condition is a request of a positioning requester (user) regarding the positioning quality of the position information.
- the positioning quality conditions include, for example, information for specifying a range of 0 o'clock for positioning, information for specifying positioning accuracy, information for specifying a charging fee condition for positioning, and an allowable waiting time until a positioning result is obtained. It consists of information specifying time.
- the mobile stations 10, 20, and 30 that have issued the positioning request display an input screen as illustrated in FIG. 15 in order to obtain the user's request for such position information. Then, the user inputs the positioning quality condition according to the input screen. For example, in the example shown in Fig. 15, the conditions of each item such as positioning time, positioning accuracy, fee, and allowable waiting time are input by operation. The priority is set for each of these condition items according to the operation input.
- the mobile devices 10, 20, and 30 of the positioning request source transmit a positioning request to the position information service server 45 (step S 41 B).
- This positioning request includes a command for instructing positioning, the subscriber ID of the positioning request source (subscriber ID for identifying the mobile units 10, 20, and 30 to be positioned), and the positioning input entered in step S41A above. Quality conditions are included.
- the location information service server 45 Upon receiving the positioning request, the location information service server 45 searches the subscriber information DB 453 using the subscriber IDs of the mobile devices 10, 20, and 30 to be located included in the positioning request as a key, and performs positioning. The telephone numbers of the target mobile devices 10, 20, and 30 are obtained (step S42). Next, the location information service server 45 refers to the positioning method DB 454, and specifies all positioning methods capable of positioning the positions of the mobile devices 10, 20, and 30 to be positioned (step S43).
- the location information service server 45 selects a positioning method most suitable for the positioning quality condition received in the above step S41B from all the specified positioning methods (step S44). However, in the case where there is one positioning method specified in step S43, the one specified positioning method is selected regardless of the contents of the positioning quality conditions.
- the location information service server 45 selects the GPS method from the sector ID method and the GPS method as the positioning method most suitable for the positioning quality condition in step S44.
- the location information service server 45 returns a positioning response including the information on the positioning method selected in step S44 to the positioning request source mobile devices 10, 20, and 30 (step S45).
- positioning requesting mobile devices 10, 20, At 30, the user can confirm the positioning method to be used.
- the mobile devices 10, 20, and 30 that have issued the positioning request transmit a positioning start command instructing the start of the positioning to the position information service server 45 (step S 46).
- the location information service server 45 receives the positioning start command
- the location information service server 45 transmits the telephone numbers of the mobile devices 10, 20, and 30 to be positioned identified in step S 42 and the positioning method selected in step S 44.
- the positioning start command including the positioning is transmitted to the positioning center 50 (step S47). Note that this sequence chart shows the pseudo positioning method. Therefore, if the positioning method selected in step S44 is the actual positioning method using GPS, the processing related to the positioning is performed according to the sequence chart of the actual positioning method described later (see FIG. 16).
- the positioning center 50 Upon receiving the positioning start command from the location information service server 45, the positioning center 50 transmits the position information of the corresponding mobile 10, 20, 30 according to the telephone number and the positioning method included in the positioning start command, to the base station. Search and acquire from the ID table 50a, the area ID table 50b, the sector ID table 50c, etc. (step S48). Then, the positioning center 50 replies to the position information service server 45 with the obtained position information included in the positioning end notification (step S49).
- the positioning end notification returned to the position information service server 45 includes, in addition to the position information, the acquisition date and time information of the position information.
- the position information service server 45 returns a positioning end notification including the position information and the acquisition date / time information received from the positioning center 50 to the mobile devices 10, 20, and 30 as the positioning request source (step S 50).
- the mobile devices 10, 20, and 30 that have requested the positioning can obtain the position information of the mobile devices 10, 20, and 30 suitable for the user's request.
- the current time was specified as the positioning time condition on the input screen shown in Fig. 15.
- the location information of the mobile units 10, 20, and 30 to be positioned is transferred to the mobile phone network 12, mobile phone network 22, mobile bucket network 32, etc. It must be obtained from the mobile communication network in response to a positioning request.
- 50 transmits the telephone number of the mobile device to the service control station of any of the networks 12, 22, and 32 accommodating the mobile device to be located, and obtains the current location information of the mobile device. To the positioning center 50.
- the positioning center 50 transmits the position information thus obtained to the position information service server 45 while including the position information in the positioning end notification.
- positioning in this specification refers to searching for and obtaining corresponding position information from position information that has already been positioned and stored in the positioning center 50. Contains.
- FIG. 16 is a sequence chart when the actual positioning method using GPS is executed. It should be noted that the sequence chart shown in the figure shows a case where the positioning request source terminal has transmitted a positioning request for its own position to the location information service server 45, that is, the positioning request source terminal has a positioning target mobile station 10 , 20 and 30 are explained.
- steps S51A to S56 is the same as the processing from steps S41A to S46 in the sequence chart of the pseudo positioning method shown in FIG. Omitted.
- step S57 the location information service server 45 transmits to the positioning center 50 a positioning start command including the telephone numbers of the mobile units 10, 20, and 30 to be positioned and the selected positioning method and the like ( Step S57).
- the position is determined by the GPS between the positioning center 50 and the positioning target mobile devices 10, 20, 30 according to the positioning protocol determined in advance (step S58).
- the location information service server 45 only relays data communication performed between the positioning center 50 and the positioning target mobile devices 10, 20, 30.
- the positioning center 50 When the positioning by the GPS is completed, the positioning center 50 returns the position information service server 45 with the acquired position information included in the positioning end notification (step S59). Then, the location information service server 45 returns the received location information (including the acquisition date and time information) as a positioning end notification to the mobile devices 10, 20, and 30 of the positioning request source (step S 600). ).
- the positioning center 50 which performs position positioning using the GPS in cooperation with the mobile devices 10, 20, and 30 to be positioned, is a GPS positioning system that is separate from the business operator that operates the location information service server 45. It may be a GPS positioning center independently operated by the service provider.
- step S57 the location information service server 45 transmits a positioning start notification including the telephone numbers and positioning methods of the positioning target mobile devices 10, 20, and 30 to the GPS positioning center described above.
- positioning is performed by the GPS between the GPS positioning center and the mobile devices 10, 20, and 30 to be positioned according to a predetermined positioning protocol, and the measured position information is obtained.
- the information is transmitted from the GPS positioning center to the mobile devices 10, 20, and 30 that issued the positioning request via the position information service server 45.
- the search function is a function that acquires the location information of the mobile devices 10, 20, and 30 in response to a search request from a third party, and transmits the location information to the terminal designated as the notification destination.
- Figure 17 shows a sequence chart for executing this search function.
- the search request source terminal and the notification destination terminal in the figure are, specifically, the mobile devices 10, 20, 30, the terminal 80, and the IP server 90.
- the terminals to be searched are the mobile terminals 10, 20, and 30.
- the example shown in the figure shows a case where the search requesting terminal and the notification destination terminal are different.
- the search request source terminal and the notification destination terminal may be the same terminal.
- the terminal to be searched may be a terminal of the notification destination.
- the terminal of the search requester performs a process for prompting the user to input a positioning quality condition necessary for making a search request (step S61A).
- the search request source terminal displays an input screen similar to that illustrated in FIG. 15, and the search requester (user) inputs positioning quality conditions and the like according to the input screen.
- conditions such as a positioning time, a positioning accuracy, a fee, an allowable waiting time, and a priority order of these conditions are input as positioning quality conditions.
- subscriber information for specifying the mobile devices 10, 20, and 30 to be searched and the terminal to be notified is input.
- the search requesting terminal transmits a search request to the location information service server 45 (step S61B).
- the search request includes a command for instructing the search, the subscriber ID of the search request source, the subscriber information for identifying the mobile device 1 ⁇ , 20, 30 to be searched, the subscriber information for identifying the notification destination terminal, The positioning quality conditions and the like input in step S61A above are included.
- the location information service server 45 Upon receiving the search request, the location information service server 45 returns a search response indicating that the search request has been accepted to the search requesting terminal (step S62). After that, the location information service server 45 searches the subscriber information DB 453 using the subscriber information that specifies the mobile devices 10, 20, and 30 to be searched included in the received search request as a key, and Then, the telephone numbers of the mobile devices 10, 20, and 30 are obtained (step S63). Then, the location information service server 45 transmits a search instruction to the mobile devices 10, 20, and 30 to be searched (step S64). By receiving the search instruction, the users of the mobile devices 10, 20, and 30 to be searched can confirm that their own positions are being searched by a third party.
- the mobile devices 10, 20, and 30 to be searched transmit a positioning request to the location information service server 45 (step S65).
- the location information service server 45 first refers to the positioning method DB 454 and specifies all the positioning methods capable of positioning the positions of the mobile devices 10, 20, and 30 to be searched (step S66).
- the location information service server 45 selects a positioning method that is most suitable for the positioning quality condition received from the search request source terminal, from all the specified positioning methods (step S67).
- the location information service server 45 returns a positioning response including information on the selected positioning method to the mobile devices 10, 20, and 30 to be searched (step S68).
- the users of the mobile devices 10, 20, and 30 to be searched can confirm the positioning method of their own location information obtained by a third party.
- the mobile devices 10, 20, and 30 to be searched return a positioning start command to the position information service server 45 (step S69).
- the location information service server 45 may be configured to also transmit a positioning response including information on the selected positioning method to the search requesting terminal. With such a configuration, the user of the search requesting terminal can also confirm the positioning method to be used.
- the location information service server 45 When the location information service server 45 receives a positioning start command from the mobile devices 10, 20, and 30 to be searched, the location information service server 45 performs positioning including the telephone numbers of the mobile devices 10, 20, and 30 to be searched and the selected positioning method, and the like. A start command is transmitted to the positioning center 50 (step S70). In response to this, the positioning center 50 acquires the position information of the mobile devices 10, 20, and 30 to be searched according to the pseudo positioning method or the actual positioning method according to the specified positioning method (step S 71). When the positioning is completed, the positioning center 50 returns the position information obtained to the position information service server 45 by including the obtained position information in the positioning end notification (step S72). Then, the location information service server 45 transmits a positioning end notification to the search target mobile devices 10, 20, and 30 (step S73).
- the search target mobile devices 10, 20, 30 transmit a registration request to the location information service server 45 (step S74).
- the location information service server 45 registers the location information included in the registration request and the subscriber IDs of the mobile devices 10, 20, and 30 to be searched in the location information registration DB 455. (Step S75). Thereafter, the location information service server 45 returns a registration response to the mobile devices 10, 20, and 30 to be searched (step S76).
- the location information service server 45 searches the subscriber information DB 453 using the subscriber information for specifying the notification destination terminal received in step S61B as a key, and specifies the notification destination terminal. Next, the location information service server 45 includes the acquired location information and its supplementary information in the notification instruction and transmits it to the notification destination terminal (step S77).
- the location information service server 45 determines the position of the search target mobile device 10, 20, 30 included in the positioning end notification.
- the information and the subscriber IDs of the mobile devices 10, 20, and 30 are registered in the location information registration DB 455, and a positioning end notification is sent to the mobile devices 10, 20, and 30 to be searched.
- Send notification instructions to The configuration may be as follows.
- the location information service server 45 may transmit a notification completion command indicating that the notification has been completed to the search requesting terminal.
- the location information service server 45 is configured to always register the acquired location information in the location information registration DB 455. However, the location information service server 45 may transmit the acquired location information to the notification destination terminal without registering the acquired location information in the location information registration DB 455.
- the location information service When the location information service is applied to various information provision services that use location information, if the application form to the information provision service is classified by function of the location information service, the self-location search function, self-location registration function, and third parties Four types of location registration and third-party location search functions are considered. The operation examples of these functions are described below.
- the location information of the mobile devices 10, 20, and 30 obtained by the location information service is used on a map portal site or a general WWW (World Wide Web) site. It is conceivable that this is the case.
- Fig. 18 shows a sequence chart illustrating the operation of each device in the information provision service using this self-location search function.
- the user terminals are, specifically, the mobile terminals 10, 20, and 30.
- the user terminal 5 ⁇ transmits a service request to the IP server 90 that implements the information providing service (step S101).
- the IP server 90 sets positioning quality conditions for position information and data format designation information suitable for use in the information providing service (step S102A).
- the IP server 90 returns a service response including the set positioning quality conditions and the data format designation information to the user terminal (step S102B).
- the user terminal Upon receiving the service response from the IP server 90, the user terminal includes the positioning quality conditions and data format designation information included in the service response in the positioning request.
- the information is transmitted to the location information service server 45 (step S103).
- the positioning quality condition and the like may be configured so that the user can confirm or change the content.
- the processing from step S104 to step S109 is performed by the location information service server 45 acquiring the location information of the user terminal in response to the positioning request from the user terminal, and acquiring the acquired location information. Is notified to the user terminal.
- steps S104 to S109 is simplified in FIG. 18, steps S43 to 5 of the pseudo positioning method sequence chart shown in FIG. The description is omitted because it is the same as the processing up to 0.
- the user terminal When the user terminal receives the positioning end notification from the location information service server 45 (step S109), the user terminal includes the location information of the terminal itself included in the positioning end notification in the content request and the IP server 90. (Step S110). In response, the IP server 90 obtains the content corresponding to the position indicated by the position information of the user terminal, and transmits the content to the user terminal as a content response (step S111). As described above, in the information providing service using the self-location search function, the IP server 90 uses the location information of the own terminal to be obtained by the user terminal, and determines the positioning quality conditions and data format suitable for use in the information providing service. You can set specified information.
- the location information service server 45 performs a process of registering the acquired location information of the user terminal in the location information registration DB 455.
- the content request transmitted from the user terminal to the IP server 90 in step S110 above includes only the additional information such as the registration date and time of the location information excluding the location information of the user terminal itself. Even if you can be rare.
- the IP server 90 that has received the content request from the user terminal uses the reference function described above (see FIG. 11) to store the position information of the user terminal registered in the position information registration DB 455. refer. That is, the IP server 90 transmits a reference request including a command indicating reference, a subscriber ID of the IP server 90, and subscriber information for specifying a user terminal to the location information service server 45. Location information service Upon receiving the reference request, the server 45 obtains the corresponding position information from the position information registration DB 45 based on the reference request, and returns a reference response including the position information to the IP server 90. Then, the IP server 90 obtains the content corresponding to the position indicated by the position information of the user terminal included in the received reference response, and transmits the content to the user terminal as a content response.
- FIG. 19 shows a sequence chart illustrating the operation of each device in the information providing service using the self-location registration function.
- the user terminals are, specifically, the mobile devices 10, 20, and 30.
- the processing of steps S121 to S129 is performed by the steps S101 to S109 of the sequence chart shown in FIG. The description is omitted because it is the same as the processing.
- step S129 When the user terminal receives the positioning end notification from the location information service server 45 in step S129 (step S129), the user terminal registers the location information of the own terminal included in the positioning end notification as described above. Register in the location information registration DB 455 using the function (see Fig. 10). That is, first, the user terminal transmits a registration request to the location information service server 45 (step S130). Upon receiving the registration request, the location information service server 45 registers the location information of the user terminal and the subscriber ID included in the registration request in the location information registration DB 455. Thereafter, the location information service server 45 returns a registration response to the user terminal (step S1311).
- the user terminal uses the notification function described above (see FIG. 13) to notify the IP server 90 that the location information of the user terminal has been registered in the location information registration DB 455. That is, first, the user terminal transmits a notification request to the location information service server 45 (step S132).
- This notification request includes a command for notification, a subscriber ID of the user terminal, information for identifying the IP server 90 to be notified, and the like. It is rare.
- the location information service server 45 specifies the communication address of the IP server 90 of the notification destination based on the notification request. Then, the location information service server 45 transmits to the IP server 90 a notification instruction indicating that the location information of the user terminal has been registered in the location information registration DB 45 (step S133). After that, the location information service server 45 returns a notification response to the user terminal (step S1334).
- the IP server 90 that has received the notification instruction from the location information service server 45 uses the above-mentioned reference function (see FIG. 11) to register the user registered in the location information registration DB 455.
- the IP server 90 transmits a reference request including a command for referring, a subscriber ID of the IP server 90, and subscriber information for specifying a user terminal to the location information service server 45 (step S135).
- the location information service server 45 acquires the corresponding location information from the location information registration DB 455 based on the reference request.
- the location information service server 45 returns a reference response including the acquired location information to the IP server 90 (step S136).
- the IP server 90 obtains the location information of the user terminal registered in the location information service server 45, and transmits the location information to the information providing service. Can be used.
- the positioning end notification transmitted from the positioning center 50 to the location information service server 45 in the above step S128 includes the location information of the user terminal, the subscriber ID of the user terminal, and the like. ing. Therefore, immediately after receiving the positioning end notification from the positioning center 50 in the above step S128, the position information service server 45 immediately transmits the position information of the user terminal included in the positioning end notification.
- the configuration may be such that the subscriber ID and the like are registered in the location information registration DB 455. In this case, the processing in steps S130 and S131 is unnecessary.
- the notification request transmitted from the user terminal to the location information service server 45 need not include the location information itself of the user terminal.
- Third-party location search function for example, a WWW site such as a map portal site acquires location information of a user terminal using a location information service, and uses this location information for an information providing service. And so on.
- FIG. 20 shows a sequence chart illustrating the operation of each device in the information providing service using the third-party location search function. It should be noted that the user terminals in the figure are, specifically, the mobile terminals 10, 20, and 30.
- the terminal requesting the search and the terminal of the notification destination are the same terminal in the sequence chart of the search function shown in FIG. 17, and this terminal is connected to the IP server 9. This is only 0 in the case where the terminal to be located is a user terminal.
- the process is simplified in FIG. 20, the basic operation is the same as the search function shown in FIG. Therefore, the description of the operation of the third-party location search function is omitted here.
- the IP server 90 uses the location information service.
- the location information of the user terminal can be acquired by using this information, and this location information can be used for an information providing service.
- the user terminal registers the location information of its own terminal having the positioning quality according to the owner's request in the location information service server 45,
- the WWW site acquires the position information of the user terminal registered in the position information service server 45 and uses the position information for the information providing service.
- the user terminals are, specifically, the mobile devices 10, 20, and 30.
- the difference from the sequence chart of the self-location registration function shown in FIG. 19 is that the positioning quality condition is set by the IP server 90 or the owner of the user terminal. (Step S 16 1 A).
- the positioning quality By setting the owner of the terminal, a certain restriction is imposed on the location information of the own terminal that allows a third party such as the IP server 90 to refer to.
- the positioning quality conditions are set by the IP server 90, so that a third party such as the IP server 90 must acquire the position information of the user terminal suitable for the user's own request. Can be.
- the location information of the terminal with relatively low accuracy by the area ID method or the like may be disclosed to a third party. There may be requests that we do not want to disclose location information to third parties.
- the third party location registration function if used, only the location information of the own terminal according to the request of the owner of the user terminal can be transmitted to the IP server 90 or the like via the location information service server 45.
- the third party side for example, it is possible to disclose only relatively low-accuracy location information of its own terminal to a third party using the area ID method or the like.
- the processing up to steps S 16 1 B to S 17 4 is the same as the processing up to steps S 12 3 to S 13 36 in the sequence chart of self-location registration shown in FIG. 19. Therefore, the description is omitted.
- the position information service server 45 is included in the positioning end notification immediately after receiving the positioning end notification from the positioning center 50 in step S166.
- the configuration may be such that the location information of the user terminal that is present and its subscriber ID are registered in the location information registration DB 455. In this case, the processing in steps S166 and S169 becomes unnecessary. Further, in step S170, the notification request transmitted from the user terminal to the location information service server 45 need not include the location information itself of the user terminal.
- the location information service server 45 can perform positioning when the positions of the mobile devices 10, 20, and 30 designated as positioning targets can be determined by a plurality of positioning methods. Then, a positioning method most suitable for the positioning quality condition received from the terminal requesting the positioning is selected. Then, the location information service server 45 acquires the location information of the mobile devices 10, 20, 30 based on the selected positioning method from the positioning center 50, and transmits the location information to the terminal specified as the notification destination. . Therefore, a user of the location information service can easily obtain location information suitable for his / her request.
- the location information service server 45 automatically selects the optimal positioning method, and provides the user with the position information of the mobile devices 10, 20, and 30 using this positioning method.
- a user who is unfamiliar with directly specifying a positioning method can obtain position information according to the user's request only by inputting positioning quality conditions according to the screen display.
- the convenience of the location information service can be improved.
- the location information service server 45 is configured to select the most suitable positioning method for the positioning quality condition, and acquire the position information of the mobile devices 10, 20, and 30 by using the positioning method. .
- the GPS method is selected as the positioning method when positioning the position of the mobile phone 30 incorporating the GPS receiver 34.
- the GPS positioning center that supports the positioning by the GPS method is not operating during maintenance or the like, the position of the mobile devices 10, 20, and 30 cannot be measured by the GPS method. Assuming such a case, the following control may be performed.
- FIG. 22 is a diagram illustrating a data configuration of the positioning center table 500 stored in the location information service server 45 in the first modification.
- the positioning center table 500 stores, for each identification information (positioning center ID) of each positioning center, an operation flag indicating whether or not the positioning center is currently operating. Have been You.
- the operation flag “1” is stored when the apparatus is operating, and the operation flag “0” is stored when the apparatus is not operating.
- the location information service server 45 communicates with each positioning center, and when receiving a command to stop operation from the positioning center or when there is no response from the positioning center, the positioning center table 5 At 0 0, the value of the corresponding operation flag is changed from "1" to "0". The position information service server 45 confirms whether or not each positioning center is operating by referring to the positioning center table 500.
- FIG. 23 is a sequence chart showing a modified example of the positioning function (actual positioning method) shown in FIG. Here, only the portions different from the sequence chart shown in FIG. 16 will be described.
- the location information service server 45 refers to the positioning method DB 454 and specifies all the positioning methods capable of positioning the positions of the mobile devices 10, 20, and 30 to be positioned.
- the location information service server 45 checks, for each of the specified positioning methods, whether or not a positioning center that supports positioning by the positioning method is operating with reference to the positioning center table 500 (Ste S201). As a result, if there is a positioning center that is not operating, the location information service server 45 excludes the corresponding positioning method (step S202), and selects the positioning request source from the remaining positioning methods. A positioning method most suitable for the positioning quality condition received from the terminal is selected (step S203).
- the location information service server 45 returns a positioning response including information on the selected positioning method to the terminal that has requested the positioning (step S45). Note that in step S202, the location information service server 45 does not perform positioning if there is no executable positioning method as a result of excluding the positioning method corresponding to the inactive positioning center. Is included in the positioning response and returned to the terminal that requested the positioning.
- the location information service server 45 upon receiving the positioning start command from the terminal requesting the positioning (step S46), the location information service server 45 sends a request to the positioning center that supports the positioning by the positioning method selected in step S203. Mobile devices 10, 20 , And a positioning start command including the positioning method and the like is transmitted (step S204).
- FIG. 23 shows the case of the actual positioning method, it can be applied to the case of the pseudo positioning method.
- the GPS method is selected as the positioning method when positioning the position of the mobile phone 30 incorporating the GPS receiver 34 as in the first modification.
- the mobile phone 30 is located in a valley of a building, an underground shopping mall, or the like and cannot receive radio waves from a plurality of GPS satellites, positioning cannot be performed by the GPS system.
- a configuration in which the following control is performed in addition to the above-described first modification may be performed.
- FIG. 24 is a sequence chart showing another modified example of the positioning function (actual positioning method) shown in FIG. Here, only the portions different from the sequence chart shown in FIG. 23 will be described.
- step S202 the position information service server 45 excludes the positioning method corresponding to the inactive positioning center from all the positioning methods that can be positioned. Then, the location information service server 45 determines the priority of using the respective positioning methods for each of the remaining positioning methods according to the positioning quality conditions received from the terminal requesting the positioning (step S301). Here, a higher priority is set for a positioning method that is more suitable for the positioning quality condition.
- the location information service server 45 selects one of the positioning methods having the highest priority from among the positioning methods for which the priority is set (step S302), and includes the positioning method.
- the positioning response is returned to the terminal that requested the positioning (step S55).
- the location information service server 45 sends the positioning start command to the positioning center corresponding to the positioning method selected in step S302.
- a positioning start command including the telephone numbers of the mobile devices 10, 20, and 30 to be positioned and the positioning method is transmitted (step S303).
- a positioning protocol determined in advance between the positioning center and the terminal to be positioned is determined. According to the protocol, the position is determined by the GP S (step S58).
- the positioning center determines whether or not the positions of the corresponding mobile devices 10, 20, and 30 have been measured by the positioning method (step S304). As a result, when the position of the corresponding mobile device 10, 20, or 30 has been measured (step S304: Yes), the positioning center includes the measured position information in the notification of the end of positioning, and the position information service server. Reply to 45 (step S59). On the other hand, if the positioning center cannot determine the position of the corresponding mobile device 10, 20, or 30 in step S304 (step S304: No), the positioning center issues a positioning disable notification indicating that positioning cannot be performed. Reply to information service server 45.
- the process returns to step S302, and selects the positioning method having the next highest priority from the positioning methods for which the priorities have been set (step S302). S 302). Then, the position information service server 45 performs the positioning process again using this positioning method.
- the position information service server 45 follows the priority set based on the positioning quality condition and then sets the priority order Positioning can be performed by a positioning method with high accuracy.
- FIG. 24 shows the case of the actual positioning method, it can be applied to the case of the pseudo positioning method.
- FIG. 25 is a sequence chart showing a modification of the positioning function (pseudo positioning method) shown in FIG. Here, only the portions different from the sequence chart shown in FIG. 14 will be described.
- the mobile devices 10, 20, and 30 retain in their internal memories information of all positioning methods that can acquire the position information of the own devices 10, 20, and 30, respectively. Then, the mobile devices 10, 20, and 30 acquire the location information of their own devices 10, 20, and 30, as shown in FIG. 26, when making a positioning request to the location information service server 45. A list of all available positioning methods is displayed on the screen, and the user is prompted to select a positioning method (step S401).
- the mobile devices 10, 20, and 30 include information on the positioning method selected by the user in the positioning request and transmit the information to the position information service server 45 (step S402). Then, the location information service server 45 measures the positions of the mobile stations 10, 20, and 30 that have requested the positioning, according to the positioning method selected by the user. With such a configuration, when the user wants to acquire the position information of the own devices 10, 20, and 30, the user can use the positioning method that is used from among a plurality of positioning methods that can measure the positions of the own devices 10, 20, and 30. You can choose it.
- the user is allowed to set the priority order for using each positioning method, and information on each positioning method and its priority order is given. May be transmitted to the location information service server 45 in a positioning request.
- the location information service server 45 starts positioning using the positioning method with the highest priority, and if positioning is not possible, the mobile device 10, 20 is sequentially turned on using the positioning method with the next highest priority. , 30 positions are measured.
- the mobile devices 10, 20, and 30 display the input screen of the positioning quality conditions shown in Fig. 15 and display a plurality of positions capable of positioning the positions of their own devices 10, 20, and 30 according to the positioning quality conditions input by the user.
- a configuration may be adopted in which a positioning method to be used is selected from among the positioning methods, and information on the selected positioning method is included in the positioning request and transmitted to the position information service server 45.
- the position information providing system including the position information service server 45, the positioning center 50, the position information conversion device 60, and the like cooperates with the existing position information providing system to provide the existing position information providing system. It may be configured to be able to acquire the location information of mobile stations subscribed to the location information service provided by (hereinafter referred to as existing location information service).
- FIG. 28 is a diagram showing an outline of a configuration of a communication system according to the fourth modification.
- a positioning center 51 is a positioning center of an existing position information providing system.
- the positioning center 51 has a function of measuring the position of each mobile device 110 subscribed to the existing position information service and storing the position information.
- FIG. 29 is a diagram illustrating a data configuration of the subscriber information DB 600 stored in the location information service server 45 shown in FIG.
- the subscriber information DB 600 is stored in place of the subscriber information DB 453 shown in FIG. 8, and is stored in the location information service subscriber information provided by the location information service server 45. In addition, it stores subscriber information of existing location-based services.
- the subscriber information DB 600 shown in the figure "PS" located at the head of the subscriber ID indicates that it is the subscriber ID of the location information service provided by the location information service server 45, and "AS" "Indicates that this is an existing location-based service subscriber ID.
- an item “Communication address of positioning center” is provided in the subscriber information DB 6 ⁇ 0.
- the network address of the positioning center 50 for the subscriber information of the location information service provided by the location information service server 45 is stored.
- the telephone number of the positioning center 51 is stored for the subscriber information of the existing location information service. It is needless to say that a network address such as an IP address may be stored as the communication address of the positioning center 51.
- the location information service server 45 includes mobile stations 10, 20, 30 that subscribe to the location information service provided by the location information service server 45. Further, each mobile station 110 subscribed to the existing location information service has a positioning method DB in which all positioning methods capable of positioning the position of the mobile device are stored.
- FIG. 30 is a sequence chart when a search function is executed in the communication system according to the fourth modification.
- a search function is executed in the communication system according to the fourth modification.
- the location information of the mobile device 110 subscribed to the existing location information service is acquired.
- the search requesting terminal 100 performs a process for prompting the user to input the positioning quality condition (step S501). Thereafter, the terminal 100 of the search request source transmits the search request to the location information service server 45 (step S5). 0 2).
- the search request includes a command for instructing the search, the subscriber ID of the search request source, the subscriber information for identifying the mobile terminal 110 to be searched, the subscriber information for identifying the terminal to be notified, and the above step S.
- the positioning quality conditions and the like input in 501 are included.
- the location information service server 45 returns a search response to the search request source terminal 100 in response to the reception of the search request (step S503). Thereafter, the location information service server 45 searches the subscriber information DB 600 using the subscriber information that specifies the mobile device 110 to be searched included in the received search request as a key. Then, the telephone number of the mobile terminal 110 to be searched is obtained (step S504). The location information service server 45 obtains the telephone number of the positioning center 51 from the subscriber information DB 600 (step S505). Then, the location information service server 45 transmits to the positioning center 51 a search instruction including a command indicating the search, the telephone number of the mobile device 110 to be searched, and the like (step S506) ).
- the positioning center 51 has a function of operating as if it were a search target mobile device 110 with respect to the location information service server 45. More specifically, the location information service server 45 provides the function. It has a function that operates like a search target terminal that subscribes to a location information service. Upon receiving the search instruction from the location information service server 45, the location center 51 sends a location request to the location information service server 45 (step S507).
- the location information service server 45 Upon receiving the positioning request from the positioning center 51, the location information service server 45 first refers to the positioning method DB, and specifies all positioning methods capable of positioning the position of the mobile device 110 to be searched ( Step S508). Next, the location information service server 45 selects a positioning method that is most suitable for the positioning quality condition received from the search requesting terminal 10 ° among all the specified positioning methods (step S509). Thereafter, the location information service server 45 returns a positioning response including information on the selected positioning method to the positioning center 51 (step S510).
- the positioning center 51 Upon receiving the positioning response from the position information service server 45, the positioning center 51 transmits a positioning start command to the position information service server 45 (step S511). In response, the location information service server 45 sends a positioning start command to the positioning center 51 (step S512). Upon receiving the positioning start command from the location information service server 45, the positioning center 51 converts the position information of the mobile device 110 to be searched into the pseudo positioning method or the actual positioning method according to the specified positioning method. (Step S513).
- the positioning center 51 transmits the obtained position information to the position information service server 45 with the obtained position information included in the positioning end notification (step S5 14).
- the location information service server 45 sends a positioning end notification to the positioning center 51 (step S515).
- the location information service server 45 performs a registration process of the location information included in the positioning end notification received from the positioning center 51, a notification process to a terminal designated as a notification destination, and the like.
- the location information service server 45 refers to the subscriber information DB 600, so that the destination of the search instruction transmitted in step S506 above is not the actual search target terminal but the existing destination. It can be determined that this is the positioning center 51 of the position information providing system. As described above, when the search instruction is transmitted from the location information service server 45 to the positioning center 51, the positioning start instruction in step S512 and the positioning end instruction in step S515 are sent to the position. A configuration in which the information service server 45 does not transmit to the positioning center 51 may be adopted.
- the location information service server 45 links the location information of the mobile unit 110 subscribed to the existing location information service in cooperation with the existing location information providing system. It can be obtained with a simple configuration.
- the position information providing system including the position information service server 45, the positioning center 50, the position information conversion device 60, and the like has the configuration shown in FIG. Existing location information service in cooperation with It is assumed that the system can also acquire the position information of the mobile device subscribed to the service. Therefore, the location information service server 45 of the present modified example has the subscriber information DB 600 shown in FIG. 29 and each subscriber to the location information service provided by the location information service server 45. A positioning method in which all positioning methods capable of measuring the position of the mobile device are stored for each of the mobile devices 10, 20, 30, and each mobile device 110 subscribed to the existing location information service. It is assumed that it has a DB.
- FIG. 31 is a sequence chart in the case of acquiring the position information of the mobile devices 10, 20, 30 having the independent positioning function.
- a case is described in which the location information of the mobile devices 10, 20, and 30 subscribing to the location information service provided by the location information service server 45 is obtained using the search function. explain.
- the search requesting terminal performs a process for inputting the positioning quality condition to the user (step S601). Thereafter, the search requesting terminal transmits a search request to the location information service server 45 (step S602).
- the search request includes a command for instructing the search, the subscriber ID of the search request source, the subscriber information for identifying the mobile device 10, 20, 30 to be searched, and the subscriber for identifying the terminal to be notified. Information, positioning quality conditions input in step S601, and the like.
- the location information service server 45 returns a search response to the search request source terminal in response to receiving the search request (step S603). Thereafter, the location information service server 45 uses the subscriber information of the mobile devices 10, 20, 30 as search targets included in the received search request as a key to store the subscriber information DB 600. The search is performed, and the telephone numbers of the mobile terminals 10, 20, and 30 to be searched are obtained (step S 604). Further, the location information service server 45 acquires the telephone number of the positioning center 50 from the subscriber information DB 600 (step S605). Then, the location information service server 45 sends a search instruction to the mobile devices 10, 20, 30 to be searched (step S 606).
- the users of the mobile devices 10, 20, and 30 to be searched can confirm that their own positions are being searched by a third party.
- the mobile devices 10, 20, 30 to be searched transmit a positioning request to the location information service server 45 (step S). 6 0 7).
- the location information service server 45 first refers to the positioning method DB, and specifies all positioning methods that can determine the positions of the mobile devices 10, 20, and 30 to be searched (step S608).
- the location information service server 45 selects a positioning method most suitable for the positioning quality condition received from the search requesting terminal from among the specified positioning methods (step S609).
- the mobile devices 10, 20, 30 serving as search targets have an independent positioning function, and the mobile devices 10, 20, 30 serving as search targets are provided by the independent positioning function. This is to explain the case where the positions of the machines 10, 20 and 30 are measured. Therefore, in the above step S609, the position information service server 45 selects the self-contained positioning method as the positioning method.
- the location information service server 45 After selecting the positioning method, the location information service server 45 returns a positioning response including information on the selected positioning method to the mobile devices 10, 20, and 30 to be searched (step S 6). Ten ) .
- the users of the mobile devices 10, 20, and 30 to be searched can confirm the positioning method of their own position information acquired by a third party.
- the location information service server 45 may be configured to transmit a positioning response including information on the selected positioning method to the search requesting terminal. With such a configuration, the user of the terminal requesting the search can also confirm the positioning method to be used.
- the mobile devices 10, 20, and 30 to be searched return a positioning start command to the position information service server 45 (step S611). Further, in response to this, the location information service server 45 transmits a positioning start command to the mobile devices 10, 20, and 30 to be searched (step S612). If the positioning method selected by the location information service server 45 in step S609 is not the self-contained positioning method, for example, if it is a base station ID method or a sector ID method, In S612, the location information service server 45 performs pairing according to the telephone number (communication address) acquired in step S605 above. The positioning start command is transmitted to the corresponding positioning center 50, 51.
- the mobile devices 10, 20, and 30 to be searched Upon receiving the positioning start command from the location information service server 45, the mobile devices 10, 20, and 30 to be searched perform the independent positioning and acquire the location information of the mobile devices 10, 20, and 30 (step S61). 3) Then, the search target mobile devices 10, 20, and 30 return the position information service server 45 with the obtained position information included in the positioning end notification (step S614). In response to this, the location information service server 45 returns a positioning end notification to the mobile devices 10, 20, and 30 to be searched (step S6.15).
- the location information service server 45 performs the registration processing of the location information based on the registration request from the search target mobile devices 10, 20, and 30 in steps S616 to S619, and designates the location as a notification destination. Perform notification processing to the terminal that has been set.
- the processing in steps S616 to S619 is the same as the processing in steps S74 to S77 in the sequence chart shown in FIG.
- the location information service server 45 can acquire the location information of the mobiles 10, 20, and 30 to be searched without using the positioning center 50, 51 as in the self-contained positioning method, the above-described step S It is also possible that the position information service server 45 does not transmit the positioning start command in 612 and the positioning end command in step S 615 to the mobile devices 10, 20, 30 to be searched.
- the location information service server 45 is included in the positioning end notification immediately after receiving the positioning end notification from the search target mobile devices 10, 20, and 30 in step S614.
- the configuration may be such that the location information of the search target mobiles 10, 20, and 30 and their subscriber IDs are registered in the location information registration DB 455. In this case, the processing in steps S616 and S618 becomes unnecessary.
- the registration function may be configured to perform the following control.
- FIG. 32 is a sequence chart showing a modification of the registration function shown in FIG. .
- a positioning end notification is transmitted from the positioning center 5 ° or the like to the location information service server 45 (step S701).
- the positioning end notification includes the location information of the mobile devices 10, 20, and 30 to be positioned, the subscriber IDs of the mobile devices 10, 20, and 30, and the like. That is, when the location information service server 45 receives the positioning completion notification from the positioning center 50 or the like, the location information to be registered and the subscribers of the mobile devices 10, 20, and 30 to be registered are registered. ID has been obtained.
- the registration is performed in the step S 702.
- the registration request transmitted from the requesting terminal to the location information service server 45 need not include the location information to be registered.
- the terminal requesting registration transmits a registration request excluding the location information to be registered, a command for instructing registration, and a subscriber ID of the registration request source to the location information service server 45 (step S). 7 0 2).
- the location information service server 45 receives the location information of the mobile terminals 10, 20, 30 included in the positioning termination request received in step S701 above. And the subscribers of the mobile devices 10, 20, and 30. The ID and the like are registered in the location information registration DB 455 (step S 703), and the registration response is transmitted to the terminal that has requested the registration (step S 703). S704).
- the registration request transmitted from the registration request source terminal to the location information service server 45 may not include the location information.
- the network to which the terminal 80, the IP server 90, and the like are connected is not limited to the Internet 70, but may be, for example, an intranet or a LAN (Local Area Network). Is also good.
- the terminal 80 and the IP server 90 may be configured to access the location information service server 45 via a dedicated line or a telephone line.
- the function of the location information service executed by the location information service server 45 may be executed by the gateway server 40.
- the functions executed by the positioning center 50 The function executed by the position information conversion device 60 may be executed by the position information service server 45.
- the mobile device to be located is a PHS terminal, a mobile phone, or the like, but is not limited thereto.
- wireless communication is performed with a mobile communication network or a wireless LAN base station.
- PDA Personal Digital Assistant
- ⁇ Mobile communication terminals such as mobile computers and car navigation devices may be used.
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- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Description
Claims
Priority Applications (4)
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JP2002526149A JP3895684B2 (ja) | 2000-09-08 | 2001-09-05 | 位置情報提供装置、通信端末、移動通信端末および位置情報提供方法 |
EP01963426A EP1227694A4 (en) | 2000-09-08 | 2001-09-05 | APPARATUS FOR PROVIDING LOCATION INFORMATION, COMMUNICATION TERMINAL, MOBILE COMMUNICATION TERMINAL, AND METHOD FOR PROVIDING LOCATION INFORMATION |
US10/129,567 US7340217B2 (en) | 2000-09-08 | 2001-09-05 | Positional information providing apparatus communication terminal mobile communication terminal and positional information providing method |
HK02109022.1A HK1047518A1 (zh) | 2000-09-08 | 2002-12-12 | 位置信息提供裝置、通信終端、移動通信終端和位置信息提供方法 |
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JP2000274214 | 2000-09-08 | ||
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WO (1) | WO2002021873A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
JP3895684B2 (ja) | 2007-03-22 |
KR100450571B1 (ko) | 2004-09-30 |
CN100413366C (zh) | 2008-08-20 |
US7340217B2 (en) | 2008-03-04 |
KR20020057992A (ko) | 2002-07-12 |
CN1394454A (zh) | 2003-01-29 |
HK1047518A1 (zh) | 2003-02-21 |
EP1227694A4 (en) | 2003-01-02 |
US20030109265A1 (en) | 2003-06-12 |
EP1227694A1 (en) | 2002-07-31 |
JPWO2002021873A1 (ja) | 2004-01-22 |
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