JP2005217484A - Service providing method, service providing system, and mobile communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a technology of providing a proper service to a mobile communication terminal corresponding to a current position of the mobile communication terminal while enhancing the convenience of a user. <P>SOLUTION: The mobile communication terminal 10 requests a server apparatus 60 to provide a service via a network 41 in response to a command from the user. The server apparatus 60 receiving this service providing request transmits a positional information contents to urge the mobile communication terminal 10 to position its current position to the mobile communication terminal 10. The mobile communication terminal 10 receiving the positional information contents positions the current position and thereafter informs the server apparatus 60 about the positioning result and a positioning method related to the precision of the positioning result. The server apparatus 60 receiving the information of the positioning result and the positioning method informs the mobile communication terminal 10 about service information in response to the current position and positioning precision of the mobile communication terminal 10 on the basis of the informed current position and precision of the mobile communication terminal (mobile phone) 10. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a service providing method, a service providing system, and a mobile communication terminal device. More specifically, the present invention relates to a service providing method for providing a service according to the current position of a mobile communication terminal device, and a service providing system using the service providing method. And a mobile communication terminal device that receives the service in the service providing system.

  Conventionally, mobile communication terminal devices such as mobile phones have been widely used. The improvement of functions and performance of such mobile communication terminal devices is remarkable, and in addition to the call function and e-mail transmission / reception function that are essential functions as a mobile communication terminal device, it has a positioning function that measures the current position of the mobile communication terminal device. Things are appearing.

  On the premise of providing the positioning function and the browser function, providing a service according to the current position of the mobile communication terminal device to a mobile communication terminal device such as a mobile phone has been put into practical use. Examples of services according to the current position of the mobile communication terminal device include a service that provides content such as map information and town information of an area including the current position.

Such services according to the current position of the mobile communication terminal device are now widely used. Correspondingly, when such a service according to the current position of the mobile communication terminal device is performed, information on the position and an instruction to download content to the client are mainly transmitted between the mobile communication terminal device (client) and the information providing server. The standardization of the format for informing the server from the client by URL (Uniform Resource Locator) is in progress (see Non-Patent Document 1 (hereinafter referred to as “MOPA standard”)).
Mobile Office Promotion Council “Location information URL standard for mobile tools MOPA-001-2001”

  In the conventional service provision according to the current position of the mobile communication terminal device described above, the mobile communication terminal device notifies the service providing server of the positioning result of the current position. Then, the service providing server that has received the positioning result provides contents such as map information to the mobile communication terminal device.

  Here, when the content to be provided is map information, it is considered optimal to provide map information centered on the position of the positioning result notified by the service providing server. It was not uniquely determined whether it would be best to provide map information at the scale of. This is because the accuracy of the positioning result differs depending on the positioning method in the mobile communication terminal device.

  As a result, for example, when the mobile communication terminal apparatus notifies the positioning result by the positioning method with low accuracy, but the detailed map information with a large scale is provided from the service providing server, it corresponds to the provided map information. In some maps, the current position of the mobile communication terminal device does not become the center position, and there is a case where the matching between the positioning accuracy and the scale of the provided map information cannot be achieved.

  In order to avoid such a situation, it has been necessary to notify the service providing server of the scale of the requested map information from the mobile communication terminal device. For this reason, it was difficult to say that the user can easily receive an appropriate service.

  The present invention has been made in view of the above circumstances, and provides a service providing method capable of providing an appropriate service corresponding to the current position of the mobile communication terminal device while improving user convenience. The purpose is to provide.

  It is another object of the present invention to provide a service providing system capable of providing an appropriate service corresponding to the current position of a mobile communication terminal device while improving user convenience.

  Another object of the present invention is to provide a mobile communication terminal device that can receive an appropriate service corresponding to the current position in the service providing system of the present invention.

  The service providing method of the present invention is a service providing method for providing a service according to the current position of a mobile communication terminal apparatus, wherein the mobile communication terminal apparatus performs positioning of the current position; and the mobile communication terminal A positioning result notifying step in which the device notifies the server device of positioning result information including information related to the accuracy of the positioning result obtained in the positioning step; and the server device is based on the notified positioning result information. A service information notifying step of notifying the mobile communication terminal device of service information corresponding to the position of the mobile communication terminal device.

  In this service providing method, the mobile communication terminal apparatus measures the current position in the positioning process. In this positioning, the mobile communication terminal apparatus performs positioning using the installed positioning method. As such a positioning method, there are a GPS positioning method using a GPS (Global Positioning System) satellite, and a so-called cell ID positioning method in which the position of a base station with which a radio link is established with itself is a positioning result of its own current position. is there.

  In addition, when a plurality of positioning methods are implemented in the mobile communication terminal device, for example, the most accurate positioning method is selected from among the plurality of positioning methods. Perform positioning using a positioning method with high priority. Then, when positioning by the positioning method with the highest priority fails, positioning is performed by the positioning method in which the priority is sequentially lowered.

  In this way, the mobile communication terminal device that has completed the positioning of the current position notifies the server device of positioning result information including information related to the accuracy of the positioning result obtained in the positioning step. The server device that has received the positioning result information determines service information according to the current position of the mobile communication terminal device based on the notified current position and accuracy of the mobile communication terminal device in the service information notification step. And notifies the mobile communication terminal device. As a result, the mobile communication terminal device is provided with appropriate information according to the current position and its positioning accuracy.

  Therefore, according to the service providing method of the present invention, it is possible to provide an appropriate service corresponding to the current position of the mobile communication terminal device while improving user convenience.

  In the service providing method of the present invention, the information related to the accuracy of the positioning result can be the positioning method for obtaining the positioning result. This is because the positioning method can almost estimate the accuracy of the positioning result. Of course, the information related to the accuracy of the positioning result can be the accuracy of the positioning result itself.

  In the service providing method of the present invention, prior to the positioning step, the server device transmits a location information content transmission step of transmitting location information content that prompts the mobile communication terminal device to determine the current location. It can be. In this case, when a service provision request is received from the mobile communication terminal device that is about to receive the service provision, the server device determines the current position relative to the mobile communication terminal device in the position information content transmission step. Transmit location information content that prompts. Thereafter, the positioning process described above is started. As a result, the server device can provide service information to the mobile communication terminal device while the server device and the mobile communication terminal cooperate.

  Here, in the service providing method of the present invention, in the location information content transmission step, the server device may specify a positioning method and prompt the mobile communication terminal device to determine the current location. it can. In this case, it is possible to prompt the mobile communication terminal device to perform positioning by a positioning method that can obtain accuracy that matches the information that can be provided by the server device.

  As described above, in the location information content transmission step, when the server device specifies the positioning method and prompts the mobile communication terminal device to determine the current location, the positioning step A designated positioning determination step of determining whether or not the communication terminal device is capable of positioning the current position by the specified positioning method; and when the determination result in the specified positioning determination step is affirmative, A specified positioning step in which the mobile communication terminal apparatus performs positioning of the current position by the specified positioning method; and if the determination result in the specified positioning determination step is negative, and the positioning fails in the specified measurement step In this case, there may be provided a non-designated positioning step of positioning the current position by a positioning method different from the designated positioning method.

  In this case, when positioning the current position in the mobile communication terminal device, first, in the specified positioning determination step, whether or not the mobile communication terminal device can measure the current position by the positioning method specified by the server device. Determine. If this determination result is affirmative, the mobile communication terminal apparatus performs positioning of the current position by the designated positioning method in the designated positioning step. And if positioning of the current position by the designated positioning method is successful, positioning result information including information related to the accuracy of the obtained positioning result is notified to the server device in the positioning result notifying step described above.

  On the other hand, if the determination result in the designated positioning determination step is negative, the current position is determined by a positioning method different from the specified positioning method in the non-designated positioning step. Further, even when positioning in the designated positioning process fails, the current position is measured by a positioning method different from the designated positioning method in the non-designated positioning process. In the positioning result notification step, the server apparatus is notified of positioning result information including information related to the accuracy of the obtained positioning result. If positioning fails in all the positioning methods implemented in the mobile communication terminal device, the server device is notified that positioning has failed in the positioning result notification step.

  Therefore, since positioning in the mobile communication terminal device is automatically performed by a method that is as consistent as possible with designation from the server device, the convenience for the user can be improved.

  In the service providing method of the present invention, in the positioning result notifying step, the positioning result information may be encrypted and notified to the server device. In this case, encryption can enhance security against leakage of information on the current position, which is personal information.

  The service providing system of the present invention is a service providing system in which a service providing server device provides a service corresponding to a current position of the mobile communication terminal device to a mobile communication terminal device connected via a network. The mobile communication terminal apparatus positioning means for positioning the current position; and positioning result notification means for notifying the server apparatus of positioning result information including information related to the accuracy of the positioning result obtained by the positioning means. Service information in which the server device notifies the mobile communication terminal device of service information according to the position of the mobile communication terminal device based on the positioning result information notified from the mobile communication terminal device. A service providing system comprising: notification means;

  In this service providing system, the positioning means measures the current position. Subsequently, in the mobile communication terminal device, the positioning result notifying unit notifies the server device of positioning result information including information related to the accuracy of the positioning result obtained by the positioning unit. In the server apparatus that has received the positioning result information, the service information notification means determines service information according to the current position of the mobile communication terminal apparatus based on the notified current position of the mobile communication terminal apparatus and its accuracy. And notifies the mobile communication terminal device.

  That is, in the service providing system of the present invention, the server device provides a service to the mobile communication terminal device using the service providing method of the present invention described above. Therefore, according to the service providing system of the present invention, it is possible to provide an appropriate service corresponding to the current position of the mobile communication terminal device while improving user convenience.

  In the service providing system of the present invention, the server device may further include a position information content transmitting unit that transmits position information content that prompts the mobile communication terminal device to determine the current position. In this case, when a service provision request is received from the mobile communication terminal device, the location information content transmission means of the server device transmits location information content that prompts the mobile communication terminal device to determine the current position. Then, the mobile communication terminal apparatus starts positioning after receiving the position information content. As a result, the server device can provide service information to the mobile communication terminal device while the server device and the mobile communication terminal cooperate.

  Here, the position information content transmitting means may be configured to specify a positioning method and transmit position information content that prompts the mobile communication terminal device to determine the current position. In this case, it is possible to prompt the mobile communication terminal device to perform positioning by a positioning method that can obtain accuracy that matches the information that can be provided by the server device.

  A mobile communication terminal apparatus according to the present invention is a mobile communication terminal apparatus for receiving a service corresponding to a current position of a service providing destination provided by a server apparatus, positioning means for positioning a current position; and Positioning result notifying means for notifying the server device of positioning result information including information related to the accuracy of the obtained positioning result.

  In this mobile communication terminal device, the positioning means measures the current position. Subsequently, the positioning result notifying means notifies the server apparatus of positioning result information including information related to the accuracy of the positioning result obtained by the positioning means.

  Therefore, according to the mobile communication terminal apparatus of the present invention, it is possible to receive an appropriate service corresponding to the current position in the service providing system of the present invention described above.

  In the mobile communication terminal device of the present invention, the positioning unit may start positioning of the current position after receiving position information content for prompting positioning of the current position from the server device. In this case, the server device can provide service information to the mobile communication terminal device while the server device and the mobile communication terminal cooperate.

  In the mobile communication terminal device of the present invention, when the server device designates a positioning method and transmits the position information content, the positioning means can measure the current position by the designated positioning method. Designated positioning determination means for determining whether or not; specified positioning means for positioning the current position by the specified positioning method when the determination result in the specified positioning determination means is affirmative; and the specified positioning Non-designated positioning means for positioning the current position by a positioning method different from the designated positioning method when the judgment result by the judging means is negative and when the designated measuring means fails in positioning; It can be set as the structure provided with.

  In this case, when positioning the current position in the mobile communication terminal device, first, the designated positioning determination means determines whether or not the current position can be determined by the positioning method specified by the server device. If this determination result is affirmative, the designated positioning means performs positioning of the current position by the designated positioning method. On the other hand, if the result of the determination by the designated positioning determination means is negative, the non-designated positioning means positions the current position by a positioning method different from the designated positioning method. Even when positioning by the designated positioning means fails, the non-designated positioning means positions the current position by a positioning method different from the designated positioning method.

  Therefore, since positioning in the mobile communication terminal device is automatically performed by a method that is as consistent as possible with designation from the server device, the convenience for the user can be improved.

  Moreover, in the mobile communication terminal device of the present invention, the positioning result notifying means may be configured to encrypt the positioning result and notify the server device. In this case, encryption can enhance security against leakage of information on the current position, which is personal information.

  As described above, according to the service providing method of the present invention and the service providing system using this service providing method, while improving the convenience for the user, it is appropriate for the current position of the mobile communication terminal device. There is an effect that a service can be provided.

  In addition, according to the mobile communication terminal device of the present invention, the service providing system of the present invention has an effect that it is possible to receive provision of an appropriate service corresponding to the current position.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. In these drawings, the same or equivalent elements are denoted by the same reference numerals, and redundant description is omitted.

  FIG. 1 schematically shows the configuration of a service providing system 100 according to an embodiment of the present invention. As shown in FIG. 1, this positioning system 100 includes (a) a mobile phone 10 and (b) a network 41 to which the mobile phone 10 is connected via a base station 42 that performs wireless communication with the mobile phone 10. (C) a positioning assist server 50 connected to the network 41; and (d) a service providing server 60 connected to the network 41. Here, the number of mobile phones and the number of base stations are generally large, but in FIG. 1, one mobile phone 10 and one base station 42 are representatively shown.

  FIG. 2 schematically shows an external configuration of the mobile phone 10. As shown in FIG. 2, the mobile phone 10 includes (a) a mobile phone main body 11 (see FIG. 3) having a control unit 21 (to be described later), (b) a numeric keypad for inputting a telephone number, and an operation mode. An operation unit 12 having function keys for inputting various commands such as switching to the control unit 21; and (c) a liquid crystal display that displays operation guidance, operation statuses, received messages, and the like in accordance with commands from the control unit 21 And a display unit 13 having a device. The mobile phone 10 also (d) a call speaker 14 that reproduces a voice signal sent from a communication partner during a call, and (e) a sound input during sound collection or a voice input during a call. And (f) a guidance speaker 16 for generating a ringtone and a guidance sound in response to a command from the control unit 21. Further, the mobile phone 10 includes (g) an antenna 17 for transmitting and receiving radio signals to and from the base station.

  Here, as shown in FIG. 3, the mobile phone main body 11 includes (i) a control unit 21 that performs overall control of the entire operation of the mobile phone main body 11, and (ii) control by the control unit 21. Originally, it has an antenna 22A for receiving radio waves from GPS satellites, and a GPS receiver 22 for receiving radio waves from GPS satellites. In addition, the mobile phone body 11 communicates between the storage unit 23 configured in (iii) read-only memory (ROM) or random access memory (RAM) and (iv) the base station 42. And a wireless transmission / reception unit 24 for performing.

  The control unit 21 includes a positioning unit 31 that receives the assistance from the positioning assist server 50 via the wireless transmission / reception unit 24 and measures the current position of the mobile phone 10. Here, the positioning unit 31 performs GPS positioning and cell ID positioning.

  In the control unit 21, an application 35 that receives service provision from the service providing server 60 via the wireless transmission / reception unit 24 operates. The application 35 includes: (i) a service provision request unit 36 that makes a service provision request for receiving a service provision from the service provision server 60 via the wireless transmission / reception unit 24; and (ii) a positioning result and positioning by the positioning unit 31. A positioning result notification unit 37 for notifying the method to the service providing server 60 via the wireless transmission / reception unit 24, and (iii) receiving and processing the service information notified from the service providing server 60 via the wireless transmission / reception unit 24 And a service information reception processing unit 38. Here, the positioning result notifying unit 37 encrypts the positioning result and the positioning method and transmits them to the service providing server 60 when encryption of the positioning result and the positioning method is specified in the position information content described later. It has become.

  When the positioning unit 31 performs GPS positioning, the positioning unit 31 controls the GPS receiving unit 22 based on the GPS satellite capturing information received from the positioning assist server 50 via the wireless transmission / reception unit 24. The radio waves from GPS satellites are observed. Here, the positioning unit 31 performs the GPS positioning by capturing four or more GPS satellites. The GPS positioning performed in this way is classified into three stages for convenience according to the positioning accuracy. When GPS positioning is not possible, positioning is performed in a so-called extended cell ID positioning mode. When positioning is not possible in this mode, positioning is performed in a so-called normal cell ID positioning mode.

  In the present embodiment, the control unit 21 includes a central processing unit (CPU), a digital signal processing unit (DSP), and the like, and is a processing unit that executes a program. The function of the positioning unit 31 as well as the function of the application 35 described above is realized by executing a program executed in the control unit 21.

  As shown in FIG. 4, the positioning assist server 50 includes (i) a control processing device 51 that performs overall control of the entire operation of the assist server 50, and (ii) an antenna 52 for receiving radio waves from GPS satellites. (Iii) a storage device 53 for storing various programs and various data, and (iv) a transmission / reception device 54 for performing communication via the network 41. Here, the control processing device 51 receives (i) an assist request via the transmission / reception device 54 and derives assist information, and (ii) assist information derived by the assist information deriving unit 56. Is provided via the transmission / reception device 54, the network 41, and the like to the terminal device that has made the assist request.

  When the assist information deriving unit 56 receives a GPS positioning assist request via the transmission / reception device 54, the assist information deriving unit 56 reads out base station position information corresponding to the base station identifier specified as a parameter of the assist request from the storage device 53. Then, the assist information deriving unit 56 derives GPS positioning assist information such as acquisition information and position calculation information for a terminal device having a position calculation function in a cell according to the read base station position.

  Further, when the assist information deriving unit 56 receives the cell ID positioning assist request via the transmitting / receiving device 54, the assist information deriving unit 56 obtains the base station position information corresponding to the base station identifier specified as the parameter of the assist request from the storage device 53. Read as information.

  The assist information notification unit 57 receives the GPS positioning assist information or the cell ID positioning assist information derived by the assist information deriving unit 56. Then, the assist information notification unit 57 notifies the assist information to the terminal device that has made the assist request.

  The assist server 50 configured as described above constantly observes GPS satellites using the antenna 52, and collects various information related to the GPS satellites. When a GPS positioning assist request is received from a terminal device connected to the network 41, assist information for GPS positioning is notified.

  As shown in FIG. 5, the service providing server 60 includes (i) a control processing device 61 that performs overall control of the overall operation of the service providing server 60, and (ii) a storage device 63 that stores various programs and various data. (Iii) a transmission / reception device 64 for performing communication via the network 41. Here, the control processing device 61 (i) a received data analysis unit 66 that analyzes data input via the transmission / reception device 64, and (ii) a position that prompts the device that issued the service provision request to determine the current position. A location information content transmission unit 67 that transmits information content; and (iii) a service information notification unit 68 that notifies service information to a device that has issued a service provision request.

  The location information content transmission unit 67, when the received data analysis unit 66 determines that the received data is service provision request data, prompts the device that issued the service provision request to determine the current location. Send. Further, the service information notifying unit 68, when the received data is the positioning result and positioning method data from the device that requested the service provision as a result of the analysis by the received data analyzing unit 66, the positioning result and positioning method. Service information is derived based on the data. Then, the service information notification unit 68 notifies the service information of the derived service information to the device that issued the service provision request.

  Next, service information providing operation to the mobile phone 10 in the service providing system 100 configured as described above will be described mainly with reference to FIG. In the following description, it is assumed that the service provided to the mobile phone 10 is map information of an area including the current position of the mobile phone 10.

  When the user of the cellular phone 10 operates the operation unit 12 to instruct a service provision request to the service providing server 60, the service provision requesting unit 36 of the application 35 of the cellular phone 10 is displayed as shown in FIG. The service provision request is transmitted to the service provision server 60 via the wireless transmission / reception unit 24, the base station 42, and the network 41. In the service providing server 60, the service providing request is received by the received data analyzing unit 66 of the control processing device 61 via the transmitting / receiving device 64.

  When the received data analysis unit 66 analyzes the received data and recognizes that the received data is the service provision request data, the received data analysis unit 66 notifies the location information content transmission unit 67 that the service provision request has been received. Upon receiving this notification, the location information content transmission unit 67 measures the current location via the transmission / reception unit 64 and the network 41, and transmits to the mobile phone 10 the location information content that prompts the user to report the positioning result. . In the mobile phone 10, the location information content is received by the application 35 via the base station 42 and the wireless transmission / reception unit 24.

  The application 35 that has received the position information content displays a message to that effect on the display unit 13. An example of such a display is shown in FIG. Thereafter, when the user operates the operation unit 12 to instruct the start of the positioning operation (in the case of the display example in FIG. 7, click “here”), the application 35 determines the positioning command for the current position. To the positioning unit 31. The positioning unit 31 that has received this positioning command starts GPS positioning. In this GPS positioning, the positioning unit 31 sends an assistance request for GPS positioning using the identifier of the base station 42 as a parameter to the positioning assist server 50 via the wireless transmission / reception unit 24, the base station 42, and the network 41. Send. When the positioning assist server 50 receives this assist request, the assist information deriving unit 56 of the control processing device 51 reads the position information of the base station 42 stored in the storage device 53 in correspondence with the identifier of the base station 42. . Subsequently, based on the read position information of the base station 42, the assist information deriving unit 56 obtains satellite acquisition information and position calculation information required for the GPS positioning by the mobile phone 10 as GPS positioning assist information. Derived as Then, the assist information deriving unit 56 transmits the GPS positioning assist information to the mobile phone 10 via the transmission / reception device 54, the network 41, and the base station 42.

  In the mobile phone 10 that has received the GPS positioning assist information, the positioning unit 31 controls the GPS receiving unit 22 based on the capturing information in the GPS positioning assist information, captures the GPS satellite, and receives radio waves from the GPS satellite. Observe. Subsequently, based on this observation result, the positioning unit 31 obtains the distance to the GPS satellite. Then, the positioning unit 31 calculates the current position of the mobile phone 10 based on the measured distance and the position calculation information among the assist information received earlier. Note that if a GPS satellite cannot be captured within a predetermined time, a timeout error is detected.

  When the above-described GPS positioning fails, the positioning unit 31 starts cell ID positioning. In this cell ID positioning, the positioning unit 31 sends an assistance request for cell ID positioning using the identifier of the base station 42 as a parameter to the positioning assist server 50 via the wireless transmission / reception unit 24, the base station 42, and the network 41. Send to. When the positioning assist server 50 receives this assist request, the assist information deriving unit 56 of the control processing device 51 reads the position information of the base station 42 stored in the storage device 53 in correspondence with the identifier of the base station 42. . Then, the assist information deriving unit 56 transmits the read location information of the base station 42 as cell ID assist information to the mobile phone 10 via the transmission / reception device 54, the network 41, and the base station 42.

  In the mobile phone 10 that has received the cell ID positioning assist information, the positioning unit 31 performs positioning in a so-called extended cell ID positioning mode based on the cell ID positioning assist information, that is, the position information of the base station 42. When positioning in this extended cell ID positioning mode fails, the positioning unit 31 performs positioning in a so-called normal cell ID positioning mode.

  When positioning of the current position is completed as described above, the positioning unit 31 notifies the application 35 of the positioning result and the positioning method from which the positioning result is obtained. In the application 35, the positioning result notification unit 37 receives the positioning result and the positioning method from which the positioning result is obtained. Then, the positioning result notification unit 37 transmits the positioning result and the positioning method to the service providing server 60 via the wireless transmission / reception unit 24, the base station 42, and the network 41. The positioning result notifying unit 37 encrypts and transmits the positioning result and the positioning method when receiving the designation of encrypted transmission.

  In the service providing server 60, the positioning result and the positioning method are received by the reception data analysis unit 66 of the control processing device 61 via the transmission / reception unit 64. Subsequently, when the received data analysis unit 66 analyzes the received data and recognizes that the received data is the positioning result and positioning method data of the current position from the mobile phone 10 that transmitted the service provision request first, The service information notification unit 68 is notified that the positioning result and positioning method of the current position have been received from the mobile phone 10 which has requested service provision. When conforming to the above-mentioned MOPA standard, the positioning method is notified as an optional parameter.

  Upon receiving this notification, the service information notification unit 68 analyzes the positioning result and positioning method of the current position of the mobile phone 10. Subsequently, the service information notification unit 68 determines the map information including the current position of the mobile phone 10 and reduced in scale according to the current position positioning method as the service information. Then, the service information notification unit 68 accesses the storage device 63 to acquire the service information and the determined map information.

  Next, the service information notification unit 68 transmits the map information, which is service information, to the mobile phone 10 via the transmission / reception device 54, the network 41, and the base station 42. In the mobile phone 10, the service information reception processing unit 38 receives service information via the wireless transmission / reception unit 24. And the service information reception process part 38 displays the map information which is service information on the display part 13, and provides it to a user.

  In the present embodiment, the position information content distributed to the mobile phone 10 is described not in a so-called attribute method but in a so-called schema method. As a result, it is easier to implement a transmission function such as a positioning result in the mobile phone 10 than when the attribute method is adopted.

  As described above, in the service providing system 100 according to the present embodiment, the service providing request unit 36 of the application 35 of the mobile phone 10 that is a mobile communication terminal device is connected to the service providing server 60 in accordance with a user instruction. The service provision is requested via the terminal 41. The location information content transmitting unit 67 of the service providing server 60 that has received this service provision request delivers location information content that prompts the mobile phone 10 to determine the current location. In the mobile phone 10 that has received the position information content, the positioning unit 31 performs positioning of the current position in response to a request from the application 35, and then the positioning result notification unit 37 of the application 35 relates to the positioning result and the accuracy of the positioning result. The service providing server device 60 is notified of the positioning method to be performed. In the service providing server 60 that has received the positioning result and positioning method information, the service information notification unit 68 determines the current position and positioning accuracy of the mobile phone 10 based on the notified current position and accuracy of the mobile phone 10. The corresponding map information is determined as service information and notified to the mobile phone 10. Therefore, according to the present embodiment, it is possible to provide an appropriate service corresponding to the current position of the mobile communication terminal device while improving user convenience.

  In the above embodiment, in the mobile phone 10 that has received the location information content that prompts the positioning from the service providing server 60, the positioning unit 31 determines the positioning method according to the predetermined positioning priority. It was decided. On the other hand, when the location information content that prompts the positioning is transmitted from the service providing server 60, it is possible to include the designation of the positioning method in the location information content. In this case, it is possible to prompt the mobile phone 10 to perform positioning by a positioning method that can obtain accuracy that matches the information that the service providing server 60 can provide.

  As described above, when the service providing server 60 designates the positioning method and transmits the location information content that prompts the mobile phone 10 to determine the current location, the mobile phone 10 first designates the location information content. The current position is determined by the positioning method. If positioning of the current position fails using the specified positioning method, or positioning of the current position cannot be performed using the specified positioning method, positioning is performed using the second-best positioning method determined by the specified positioning method. Can be done. In this case, since the positioning by the mobile phone 10 is automatically performed by a method that follows the specification from the service providing server as much as possible, the convenience for the user can be improved.

  Further, in the above embodiment, in the GPS positioning by the mobile phone 10, the mobile phone 10 performs the calculation up to the current position. On the other hand, the cellular phone 10 captures GPS satellites, observes radio waves from the GPS satellites, and obtains the distance to the GPS satellites. The cellular phone 10 is based on the distance to the GPS satellites. It is also possible to request the positioning assist server to calculate the current position.

  In the above embodiment, provided service information is map information. However, information according to the current position of the mobile phone 10 such as town information may be used.

  Further, in the above embodiment, the present invention is applied to the positioning of the current position of the mobile phone. However, it is needless to say that the present invention can be applied to mobile communication terminal devices other than the mobile phone.

  As described above, the service providing method and service providing system of the present invention can be applied to providing a service according to the current position of the mobile communication terminal device. In addition, the mobile communication terminal device of the present invention can be applied to a mobile communication terminal device for receiving provision of services according to the current location.

1 is a diagram schematically illustrating a configuration of a service providing system according to an embodiment of the present invention. It is a figure which shows schematically the external appearance structure of the mobile telephone of FIG. It is a functional block diagram of the mobile phone of FIG. It is a functional block diagram of the positioning assistance server of FIG. It is a functional block diagram of the service provision server of FIG. It is a sequence diagram for demonstrating the service provision operation | movement by the system of FIG. It is a figure which shows the example of a display in the mobile telephone which received the positional information content information.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Mobile phone (mobile communication terminal device), 11 ... Mobile phone main body, 12 ... Operation part, 13 ... Display part, 14 ... Speaker for call, 15 ... Microphone, 16 ... Speaker for guidance, 17 ... Antenna, 21 ... Control , 22 ... GPS receiver, 22A ... GPS antenna, 23 ... storage unit, 24 ... wireless transmitter / receiver, 31 ... positioning unit (positioning means), 35 ... application, 36 ... service provision requesting unit, 37 ... positioning result Notification unit (positioning result notifying means), 38 ... service information reception processing unit, 41 ... network, 42 ... base station, 50 ... positioning assist server, 51 ... control processing device, 52 ... antenna, 53 ... storage device, 54 ... transmission / reception Device 56 Assist information deriving unit 57 Assist information notification unit 60 Service providing server (server device) 61 Control processing device 63 Storage device 64 ... transceiver 66 ... received data analysis unit, 67 ... positional information content transmission unit (position information content transmission unit), 68 ... service information notifying section (service information notifying means), 100 ... positioning system.

Claims (13)

A service providing method for providing a service according to a current position of a mobile communication terminal device,
A positioning step in which the mobile communication terminal device measures the current position;
A positioning result notifying step in which the mobile communication terminal device notifies the server device of positioning result information including information related to the accuracy of the positioning result obtained in the positioning step;
A service information notifying step in which the server device notifies the mobile communication terminal device of service information corresponding to the position of the mobile communication terminal device based on the notified positioning result information.   The service providing method according to claim 1, wherein the information related to the accuracy of the positioning result is a positioning method for obtaining the positioning result.   The position information content transmission step is performed in which the server device transmits position information content that prompts the mobile communication terminal device to determine the current position prior to the positioning step. Or the service providing method according to 2;   4. The service providing method according to claim 3, wherein, in the location information content transmission step, the server device specifies a positioning method and prompts the mobile communication terminal device to determine the current location. The positioning step includes
A designated positioning determination step of determining whether or not the mobile communication terminal device is capable of positioning the current position by the specified positioning method;
A designated positioning step in which the mobile communication terminal device performs positioning of the current position by the designated positioning method when the judgment result in the designated positioning judgment step is affirmative;
If the determination result in the designated positioning determination step is negative, and if positioning fails in the designated measurement step, non-designated positioning that positions the current position by a positioning method different from the designated positioning method The service providing method according to claim 4, further comprising: a process.   The service providing method according to claim 1, wherein in the positioning result notifying step, the positioning result is encrypted and notified to the server device. A service providing system for providing a service according to a current position of the mobile communication terminal device to a mobile communication terminal device connected via a network, the server device for providing the service,
The mobile communication terminal device
Positioning means for positioning the current position of the mobile communication terminal device;
Positioning result notification means for notifying the server device of positioning result information including information related to the accuracy of the positioning result obtained by the positioning means;
The server device includes service information notification means for notifying the mobile communication terminal device of service information according to the position of the mobile communication terminal device based on the positioning result information notified from the mobile communication terminal device. Offer system.   The service providing system according to claim 7, wherein the server device further includes position information content transmitting means for transmitting position information content that prompts the mobile communication terminal device to determine a current position.   The service according to claim 7 or 8, wherein the position information content transmitting means transmits a position information content that specifies a positioning method and prompts the mobile communication terminal device to determine a current position. Offer system. A mobile communication terminal device for receiving a service according to a current location of a service providing destination provided by a server device,
Positioning means for positioning the current position;
A positioning result notifying means for notifying the server apparatus of positioning result information including information related to the accuracy of the positioning result obtained by the positioning means.   11. The mobile communication terminal apparatus according to claim 10, wherein the positioning unit starts positioning of the current position after receiving position information content for prompting positioning of the current position from the server apparatus. The server device specifies a positioning method, transmits the location information content,
The positioning means is
Designated positioning determination means for determining whether or not the current position can be measured by the specified positioning method;
Designated positioning means for positioning the current position by the designated positioning method when the result of the judgment by the designated positioning judging means is affirmative;
If the determination result by the designated positioning determination means is negative, and if the designated measurement means fails in positioning, non-designated positioning that positions the current position by a positioning method different from the designated positioning method. The mobile communication terminal apparatus according to claim 10 or 11, further comprising: means. The mobile communication terminal apparatus according to any one of claims 10 to 12, wherein the positioning result notifying unit encrypts the positioning result and notifies the server apparatus.

Images