JP2012160130A - Taxi information provision system and taxi information provision method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a taxi information provision system and a taxi information provision method which enable efficient taxi boarding for both users and taxis.SOLUTION: A taxi information provision system comprises: position specification means for specifying a boarding request position where a user requests to board a taxi based on the current position of a portable terminal carried by the user or operation to the portable terminal; boarding request time setting means for setting boarding request time which is the time a user requests to board a taxi at the current position or boarding request position specified by the position specification means based on operation to the portable terminal; estimated taxi position detection means for detecting estimated position of an empty taxi at the boarding request time set by the boarding request time setting means; and estimated taxi position provision means for providing a portable terminal with information showing the estimated position of an empty taxi traveling around the current position or boarding request position specified by the position specification means, which is detected by the estimated taxi position detection means.

Description

  The present invention relates to a taxi information providing system and a taxi information providing method, and more particularly, to a system and method suitable for making a user's taxi ride efficient.

  2. Description of the Related Art Conventionally, a system is known in which a user makes a reservation to arrange a taxi pick-up for a taxi (for example, see Patent Document 1). In this system, when a user makes a taxi dispatch reservation using a mobile terminal, taxi reservation information including information on the user's name and destination and current location information of the mobile terminal is transmitted to the center. When the center receives the taxi reservation information, the center generates vehicle allocation request information including the current position information of the mobile terminal and transmits the information to the vehicle allocation processing device of the taxi company. Upon receiving the dispatch request information, the dispatch processing device of the taxi company determines whether or not dispatch is possible, and when dispatch is possible, issues a dispatch instruction to a predetermined taxi and notifies the center that dispatch is possible. When the center receives a notification that the vehicle can be allocated after transmitting the vehicle allocation request information, the center notifies the user's portable terminal that the vehicle allocation reservation has been completed.

JP 2007-249790 A

  In the system described above, the current location information of the mobile terminal is transmitted to the taxi company's dispatch processing device and thus to the dispatch taxi via the center, so the dispatch taxi is determined by the location of the mobile terminal at the time of the user's dispatch reservation. Will get on board. However, as a user, for example, after completing a certain request, the user may desire to take a taxi at a position different from the position of the portable terminal at the time of reservation for dispatch. In this case, the above system is not appropriate. . In addition, the above-described system is not a dispatch reservation system that takes into account a desired ride time when a user wants to take a taxi, so there is a possibility that a waiting time for boarding may occur on the taxi side.

  The present invention has been made in view of the above points, and provides a taxi information providing system and a taxi information providing method capable of making a user's taxi ride efficient for both the user and the taxi. The purpose is to do.

  The above object is to specify a position specifying means for specifying a desired boarding position where the user desires to take a taxi according to an operation on the current position of the portable terminal carried by the user or the portable terminal, and an operation on the portable terminal. According to the above, the user sets a desired ride time setting means for setting a desired ride time for a taxi ride at the current position or the desired ride position specified by the position specifying means, and the desired ride time setting means. A predicted taxi position searching means for searching for an expected position of an empty taxi at the desired boarding time, and the current position specified by the position specifying means or the desired boarding position searched by the taxi predicted position searching means. Taxi expected position providing means for providing the mobile terminal with information indicating the predicted position of an empty taxi traveling around, It is achieved by the taxi information providing system comprising.

  In addition, the above-described object is that a portable terminal carried by a user specifies a desired boarding position where the user desires to take a taxi according to a current position or operation, and the portable terminal is operated according to an operation. A desired ride time setting step in which the user sets a desired ride time for a desired taxi ride at the current position or the desired ride position specified in the position specifying step, and a taxi or center sets the desired ride time setting. A predicted taxi position search step for searching for an expected position of an empty taxi at the desired boarding time set in the step, and the current position specified in the position specifying step, the center being searched in the predicted taxi position search step Alternatively, information indicating the predicted position of an empty taxi traveling around the desired boarding position is provided to the mobile terminal. Taxi expected position providing step of, achieved by the taxi information providing method comprising.

  ADVANTAGE OF THE INVENTION According to this invention, a user's taxi boarding can be made efficient in both a user and a taxi.

It is a block diagram of the taxi information provision system which is one Example of this invention. It is a flowchart of an example of the control routine performed in the taxi information provision system of a present Example. It is the figure which represented an example of the screen which displayed the user's portable terminal in the taxi information system of a present Example toward the user the estimated position of the empty vehicle taxi in the user's desired boarding time to the taxi. It is the figure which represented an example of the screen displayed toward a driver | operator when the vehicle-mounted terminal of the boarding request taxi which a user desires to board in the taxi information system of a present Example receives a boarding hope from a center.

  Hereinafter, specific embodiments of a taxi information providing system and a taxi information providing method according to the present invention will be described with reference to the drawings.

  FIG. 1 shows a configuration diagram of a taxi information providing system 10 according to an embodiment of the present invention. The taxi information providing system 10 of the present embodiment includes a portable terminal 12 carried by a user who can ride a taxi, a center 14, and an in-vehicle terminal 16 mounted on the taxi. The center 14 may be provided for each taxi company, or may collectively manage taxi information managed by a plurality of taxi companies. In addition, when the center 14 collectively manages taxi information of a plurality of taxi companies, an information management device is further provided for each taxi company between the center 14 and the in-vehicle terminal 16. It may be. The user's mobile terminal 12, the center 14, and the in-vehicle terminal 16 can be connected to each other via a mobile phone network or the Internet network.

  The portable terminal 12 is a telephone terminal, a PDA, a personal computer, a smartphone, or the like that has a web browsing function. The mobile terminal 12 also has a position detection function capable of detecting the current position of the mobile terminal 12 using a signal from a GPS satellite and the like, and a communication function that exchanges various information with the center 14. And have.

  Each in-vehicle terminal 16 of each taxi has a position detection function capable of detecting the current position of the own taxi by using a signal from a GPS satellite, and a purpose for displaying a road map on a display and being set in advance. A navigation function for displaying a traveling route for guiding the taxi toward the ground superimposed on the display. Each on-board terminal 16 of each taxi exchanges various information between the operation state detection function for detecting the operation state of the taxi (for example, empty / rental / during forwarding) and the center 14. And a communication function.

  The center 14 has a communication function for transferring various information to and from the mobile terminal 12 and the in-vehicle terminal 16, a function for individually receiving a taxi dispatch request from each user, and a current position of each taxi. And a function for recognizing the operation state individually, and a database for storing road map data and the like. The center 14 operates as a taxi dispatch reservation site on the web, and can provide various information to the mobile terminal 12 accessed via the Internet network.

  Next, with reference to FIG. 2 thru | or FIG. 4, operation | movement of the taxi information system 10 of a present Example is demonstrated. FIG. 2 shows a flowchart of an example of a control routine executed by the user's mobile terminal 12, the center 14, and the taxi-mounted terminal 16 in the taxi information providing system 10 of the present embodiment. FIG. 3 shows an example of a screen in which the user's mobile terminal 12 displays the expected position of the empty taxi for the user in the taxi information system 10 according to the present embodiment for the user. Shown. FIG. 4 is a screen that is displayed to the driver when the in-vehicle terminal 16 of the taxi that the user desires to board in the taxi information system 10 of the present embodiment accepts that the user wants to board from the center 14. The figure showing an example of is shown.

  In the present embodiment, each on-vehicle terminal 16 of each taxi periodically detects the current position of the own taxi and also detects the operation state of the own taxi. Then, the center 14 is periodically accessed and connected to the center 14 via the telephone communication network or the Internet network, and the detected current position information and operation state information are notified to the center 14 together with the identification information of the vehicle-mounted terminal 16. (Step 161). When the center 14 receives the notification from the in-vehicle terminal 16, the center 14 stores information included in the notification in the database for each in-vehicle terminal 16.

  The in-vehicle terminal 16 of each taxi sets a destination that the own taxi will run next each time a passenger gets off. This destination setting may be realized by the driver of each taxi operating the in-vehicle terminal 16 after the passenger gets off, or may be automatically performed. Furthermore, it may be performed, for example, when the operation state of the own taxi is switched from renting to an empty vehicle according to an operation by the driver after the passenger gets off. The destination is, for example, a waiting place at a predetermined station or a meeting place with a customer waiting for reservation.

  When the in-vehicle terminal 16 sets the destination after the passenger gets off as described above, the in-vehicle terminal 16 searches and sets the travel route to the destination. In addition, the search of the travel route may be performed in consideration of the travel route of another taxi so that there is not much overlap with the travel route of another taxi. In this case, the own taxi belongs to It is performed using a server device of a taxi company or a server device that manages the operation of all taxis in a common area. After the passenger gets off and sets the travel route to the next destination, the taxi driver drives the taxi along the travel route to the next destination.

  Further, when the in-vehicle terminal 16 sets the destination after the passenger gets off as described above, the in-vehicle terminal 16 communicates with the center 14 and transmits information indicating the destination to the center 14. The transmission of the information indicating the destination may be performed at the same time as the transmission of the current position information and the operation state information that are periodically transmitted. When the center 14 receives the destination information transmitted from the in-vehicle terminal 16, the center 14 stores the destination information in the database for each in-vehicle terminal 16.

  When the user desires to take a taxi, the user operates the mobile terminal 12 to connect the mobile terminal 12 to the center 14 and makes a taxi search request to the center 14 on the web screen (step 121). . In this taxi search request, the user specifies the time (that is, the time or the time until the desired taxi ride) and the position that the user wants to take the taxi. The desired boarding time and the desired boarding position can be set arbitrarily. When such identification is performed, information on the user's desired taxi ride time and desired ride position is sent from the portable terminal 12 to the center 14 together with information on the current position of the portable terminal 12 at that particular point in time.

  When the center 14 receives a taxi search request from the mobile terminal 12 of the user, first, based on the current position of the mobile terminal 12, the center 14 has a predetermined range from the current position (for example, a circle with a radius of 5 km centered on the current position). Search for empty taxis in the area (step 141). The predetermined range may be changed according to the user's desired taxi ride time, and specifically, the shorter the desired ride time is, the narrower it is. The range is set, and the longer the desired ride time is from the present time, the wider the range is set.

  When the center 14 detects that an empty taxi exists in the vicinity of the current position of the mobile terminal 12 that has made a taxi search request, the center 14 communicates with the in-vehicle terminal 16 of the empty taxi and connects the in-vehicle terminal 16 of the empty taxi. In response to this, an inquiry is made to request a reply as to where the empty taxi is located at the desired boarding time desired by the user carrying the portable terminal 12 (step 142).

  When the taxi-mounted terminal 16 receives an inquiry from the center 14 that requests a response of the position of the user at the desired boarding time, the taxi vehicle 16 travels to the destination along the currently set travel route. The predicted position expected to be located at the desired boarding time is searched (step 162). The search for the predicted position is performed based on the speed or average speed of the taxi, the traffic jam prediction on the travel route to the destination, and the like.

  Then, when the in-vehicle terminal 16 searches for the predicted position in response to an inquiry from the center 14 that requests a response of the position at the user's desired boarding time, the vehicle-mounted terminal 16 returns information of the predicted position to the center 14 (step 163). This predicted position information is returned only when the predicted position is close to the user's desired boarding position (that is, when the distance between the predicted position and the desired boarding position is less than a predetermined distance). When the predicted position is far away from the user's desired boarding position (that is, when the distance between the predicted position and the desired boarding position is equal to or greater than a predetermined distance), instead of returning information on the predicted position. It may be possible to reply that the taxi does not travel in the vicinity of the expected position.

  When the center 14 requests a response from the vehicle-mounted terminal 16 of the empty taxi to the vehicle-mounted terminal 16 in a predetermined desired ride time and receives a response from the vehicle-mounted terminal 16 of the empty taxi, the center 14 determines the expected position of the empty taxi at the desired ride time. Create visual information superimposed on the road map including the user's desired boarding location and provide it to the mobile terminal 12 of the user who wants to take a taxi at the desired boarding time (Step 143). The visual information created by the center 14 may be any information that summarizes each expected position in the desired boarding time of all applicable empty taxis on one road map. Further, when providing the visual information to be created, the center 14 may include information such as the destination of each empty taxi, the travel route to the destination, and the current position.

  After the taxi search request to the center 14 is made, the portable terminal 12 is sent to the taxi of the user when the information indicating the expected position of the empty taxi in the desired ride time from the center 14 to the user's taxi is provided. Information on the expected position of the empty taxi at the desired time of boarding is displayed on the map (step 122). It should be noted that information such as the destination of each empty taxi, the travel route to the destination, and the current position may be displayed on the map. The user operates the mobile terminal 12 to make a taxi search request, and then, through the mobile terminal 12, the predicted positions of all the empty taxis in the desired time for the user's taxi ride provided by the center 14 Can be visually browsed (see FIG. 3).

  When the user visually recognizes the predicted positions of all the empty taxis at the user's desired taxi ride time through the portable terminal 12, the user refers to the predicted positions of the empty taxis and refers to the respective portable terminals. 12 is operated (for example, a white arrow in FIG. 3 is pressed), and a desired taxi that the user desires to board is selected from these empty taxis. The mobile terminal 12 is selected according to the predetermined operation when the user performs a predetermined operation while displaying information on the expected position of the empty taxi on the map at the time of the user's desired taxi ride. An empty taxi is set as the above-described taxi (step 123).

  When the portable terminal 12 sets the desired taxi as described above, the portable terminal 12 notifies the center 14 of information on the desired taxi. The center 14 provides the mobile terminal 12 with visual information in which the expected position of the empty taxi at the user's desired boarding time is superimposed on the road map, and then the information on the taxi desired to ride from the mobile terminal 12. Is communicated with the in-vehicle terminal 16 of the desired taxi, and notifies the in-vehicle terminal 16 of the desired taxi that the user wishes to board (step 144). In this notification, it is preferable to include information on a user's desired ride time and a desired ride position in a taxi.

  When the in-vehicle terminal 16 receives a request for boarding from the center 14, as shown in FIG. 4, the navigation screen displays a display informing the driver that the user desires to board, together with information on the desired boarding time and the desired boarding position. (Step 164) and it is determined whether or not to allow the taxi boarding based on the operation by the driver (step 165). When the taxi driver recognizes that he / she wants to ride, he / she operates the in-vehicle terminal 16 with reference to the travel route to the destination of the taxi, the user's desired ride time, etc. Decide whether to accept.

  If the driver performs an operation that does not accept the boarding, the in-vehicle terminal 16 determines that the taxi boarding is rejected and returns a response to the center 14 that the driver does not accept the boarding of the user (step 166). . On the other hand, if the driver performs an operation of accepting boarding, it is determined that taxi boarding is permitted, and the driver responds to the center 14 that the user accepts boarding (step 167). When the driver responds to the center 14 that the driver accepts the user's boarding, the in-vehicle terminal 16 includes information on the current position of the own taxi and the travel route to the destination. It may be included.

  After the center 14 notifies the in-vehicle terminal 16 of the taxi that the user desires to take a taxi to the in-vehicle terminal 16 and then receives a response from the in-vehicle terminal 16 that the boarding is not accepted, The fact that the boarding is impossible is returned to the user's portable terminal 12 (step 145). In this case, the portable terminal 12 informs the user that the empty taxi that the user wants to board is not available (step 124). At this time, the portable terminal 12 may notify the user that another empty taxi should be re-selected as a desired taxi, and in this case, the processing from step 123 onward is repeated.

  On the other hand, the center 14 notifies the vehicle-mounted terminal 16 of the desired taxi that the user desires to take a taxi, and then receives a response to the boarding acceptance from the vehicle-mounted terminal 16, it goes to the empty taxi that the user desires to board. Is returned to the user's mobile terminal 12 (step 146). In this case, the center 14 may include information on the current position of the desired taxi and the travel route to the destination when replying that the boarding of the portable terminal 12 is permitted. When the portable terminal 12 receives a boarding permission reply from the center 14 after setting the desired taxi, the portable terminal 12 notifies the user that the boarding reservation for the desired taxi has been completed (step 125). The user can know that the taxi reservation has been completed based on the notification, and acts to arrive at the set desired ride position at the desired ride time.

  When the center 14 receives the boarding acceptance response from the in-vehicle terminal 16, the center 14 may notify the in-vehicle terminal 16 that the boarding acceptance response has been received. In addition to the fact that the response to the boarding acceptance has been received by the center 14, the driver may inform the driver of the information on the desired boarding position and the desired boarding time of the user who has accepted the boarding.

  As described above, in the taxi information providing system 10 according to the present embodiment, the user operates the mobile terminal 12 to specify the desired boarding position and the desired boarding time for the taxi boarding and requests the center 14 to search for a taxi. In this case, information indicating the expected position of the empty taxi located in the vicinity of the desired boarding position extracted from all the taxis from the center 14 is provided to the user's mobile terminal 12, and the information Presented to the user. If there are a plurality of empty taxis, the information about all the empty taxis is provided to the mobile provider 12 and presented to the user.

  When the above-described information is presented, the user can confirm through the mobile terminal 12 the empty taxi that is closest to the desired boarding position at the desired boarding time desired by the user. Then, as a result of the confirmation, the user can select the empty taxi that is closest to the desired boarding position as the desired taxi by operating the mobile terminal 12 and boarding the desired taxi. Is possible.

  In addition, when the user selects an empty taxi as a desired taxi to ride at the desired ride position at the desired ride time, the center 14 notifies the in-vehicle terminal 16 of the empty taxi that there is a desire to ride, Presented to the driver of the empty taxi. When this presentation is made, the driver of the empty taxi can recognize through the in-vehicle terminal 16 that he / she wants to take the taxi. As a result of the recognition, the driver of the empty taxi can operate the in-vehicle terminal 16 to accept the user's desired ride time and the desired ride position at the desired ride position. Can be picked up at the desired boarding time and at the desired boarding position.

  Therefore, according to the taxi information providing system 10 of the present embodiment, a user who wants to take a taxi can check an empty car taxi that runs near the desired boarding position at the user's desired ride time. For the user, it is possible to reduce the waiting time for taking a taxi at the desired boarding position, and further, to the driver of the empty taxi, when driving on the driving route to the destination, on the driving route or on the driving route. It is possible to recognize that there is a user's desire to ride nearby, so for the driver of an empty taxi, pick up the user who wants to take a taxi without causing time waste and unnecessary traveling Can do. As a result, it is possible to realize efficient taxi rides by users and efficient taxi operation.

  In the above-described embodiment, the mobile terminal 12 specifies the desired taxi ride position in accordance with the operation by the user in the “position specifying means” and “position specifying step” described in the claims. The terminal 12 specifies the desired taxi ride time according to the operation by the user. In the "desired ride time setting means" and the "ride desired time setting step" described in the claims, the in-vehicle terminal 16 of the empty taxi The execution of step 162 in the routine shown in FIG. 2 is performed by the center 14 from the in-vehicle terminal 16 of the empty taxi in the “taxi predicted position search means” and “taxi predicted position search process” described in the claims. Providing the information indicating the predicted position to the user's mobile terminal 12 is “a predicted taxi position providing means” described in the claims, and The "taxi expected position providing step" corresponds respectively.

  In addition, with the mobile terminal 12 displaying the information on the expected position of the empty taxi on the user's desired taxi ride time on the map, the user selects the empty taxi selected according to the user's operation. The fact that setting as a taxi desired to ride is “desired taxi selection means” and “desired taxi selection process” described in the claims indicates that the center 14 wishes to ride in a taxi desired by the user. Is notified that the in-vehicle terminal 16 executes the process of step 165 in the “ride request notification means” and the “ride request notification step” described in the claims. The center 14 may notify the user's portable terminal 12 that the user is permitted to board a taxi that he / she wants to board in the “determination means” and the “ride permission determination step” When the center 14 informs the user that he / she wishes to board a taxi that he / she wants to board in the “boarding permission notifying means” and “boarding permission notifying process” described in the scope of the request, he / she wishes to ride in the taxi. The notification including the position information corresponds to the “position / time notification means” and the “position / time notification step” described in the claims.

  Further, it is patented that the in-vehicle terminal 16 of the taxi executes the process of step 163 in the “search request means” and “search request process” described in the claims that the center 14 executes the process of step 142. This corresponds to “search result transmitting means” and “search result transmitting step” described in the claims.

  By the way, in the above-described embodiment, the center 14 first searches for an empty taxi that exists within a predetermined range from the current position of the user in accordance with a taxi search request from the user, and then the empty vehicle within the predetermined range. Inquiries requesting the taxi to return the location of the user at the desired time of boarding are made. However, the present invention is not limited to this, and the center 14 uses it. Searches for an empty taxi that exists within a predetermined range from the desired boarding position where the person wants to take a taxi, and responds to the empty taxi within the predetermined range as to where the user is located during the desired ride time It is also possible to make an inquiry to request.

  In the above embodiment, when the center 14 makes a taxi search request from a user, the center 14 searches for an empty taxi that exists within a predetermined range from the current position of the user (mobile terminal 12). The in-vehicle terminal 16 of the empty taxi that has received the inquiry makes a request for returning to the empty taxi the location where the user is located at the desired time of boarding. The search for the expected position of the taxi at the desired time is searched, but the search for the expected position of the taxi at the user's desired ride time is not limited to being performed at the taxi side, but at the center 14. It is good. In such a modified example, the in-vehicle terminal 16 of the taxi periodically notifies the center 14 of information on the current position of the taxi and information on the operation state, but in addition to the information, information on the destination and the information on the destination The center 14 notifies the center 14 of the travel route information, and the center 14 is based on the destination information and the travel route information notified from the in-vehicle terminal 16 and is an empty taxi existing within a predetermined range from the current position of the user. It is good also as searching where it is located in a user's boarding desired time.

  In the above embodiment, when a taxi destination is set in the taxi vehicle terminal 16, the taxi vehicle terminal 16 searches for a travel route to the destination. 14 may be performed. In such a modification, when the in-vehicle terminal 16 of the taxi sets a destination, the center 14 notifies the center 14 of the destination information, and the center 14 adds the destination information notified from the in-vehicle terminal 16 to the destination information. Based on this, the route that the taxi should travel to that destination is searched. The search of the travel route by the center 14 is performed so as to generate a travel route that does not overlap over a long distance with the travel route searched that another taxi should travel, or When there is a user who wants to take a taxi, it is preferable that a travel route passing through the user's desired boarding position or in the vicinity of the desired boarding position is generated. After the travel route is searched by the center 14, information on the travel route is distributed to the in-vehicle terminal 16 and used on the taxi side. According to such a modification, it is possible to generate a travel route that does not travel on a common road between taxis, so it is easier for the taxi to get the user to ride without causing competition, or It is possible to generate a travel route that passes through or near the desired position of the user who wants to take a taxi, so it is easier for the taxi to get on the user and the user to get on the taxi It becomes easier to take a taxi at the desired position or in the vicinity of the desired position.

  In the above embodiment, once the travel route to the taxi destination is retrieved and set, it is not permitted to change the travel route to the destination, but is once retrieved and set. The travel route to the destination may be changed to a route passing through the desired ride position or the vicinity of the desired ride position according to the desired ride position where the user wishes to get on.

10 Taxi information providing system 12 Mobile terminal 14 Center 16 In-vehicle terminal

Claims (10)

A position specifying means for specifying a current position of the portable terminal carried by the user or a desired riding position where the user desires to take a taxi in accordance with an operation on the portable terminal;
Ride desired time setting means for setting a desired ride time for the user to take a taxi at the current position or the desired ride position specified by the position specifying means in accordance with an operation on the portable terminal;
Taxi expected position search means for searching for an expected position of an empty taxi at the desired boarding time set by the desired boarding time setting means;
Taxi prediction that provides the portable terminal with information indicating the predicted position of an empty taxi traveling around the current position or the desired boarding position specified by the position specifying means, searched by the expected taxi position searching means A position providing means;
A taxi information providing system characterized by comprising: Ride-desired taxi selection means for selecting a desired taxi for which the user wishes to take a taxi from among all empty taxis for which the information is provided by the taxi predicted position providing means in accordance with an operation on the portable terminal; ,
Ride request notification means for notifying that the user desires to take a taxi to the desired taxi selected by the desired taxi selection means;
The taxi information providing system according to claim 1, further comprising: Ride permission determination for deciding whether or not to allow the user to take a taxi in accordance with an operation by the occupant in the desired taxi for which the user has been notified that the user desires to take a taxi by the ride request notification means Means,
Boarding permission notifying means for notifying that the user is allowed to take a taxi when the user is allowed to take a taxi by the boarding permission determining means;
The taxi information providing system according to claim 2, further comprising:   4. A position / time notifying means for notifying the user of a desired taxi selected by the desired taxi selecting means and a position / time notifying means for notifying the desired taxi ride and the desired ride time. Taxi information providing system described. The center has search request means for requesting the search for the predicted position to an empty taxi traveling around the current position specified by the position specifying means or the desired boarding position,
The taxi includes a predicted taxi position search unit that executes a search when receiving a request from the search request unit, and a search result transmission unit that transmits a result searched by the predicted taxi position search unit to the center. Have
The taxi information provision according to any one of claims 1 to 4, wherein the center further includes the expected taxi position providing means for providing information when the search result transmission means receives the result. system. A position identifying step in which a portable terminal carried by the user identifies a desired boarding position where the user desires to take a taxi according to the current position or operation;
A desired ride time setting step in which the portable terminal sets a desired ride time for the user to take a taxi at the current position or the desired ride position specified in the position specifying step according to an operation;
A taxi or center may search for an expected position of an empty taxi at the desired boarding time set in the desired boarding time setting step;
The center provides the portable terminal with information indicating the predicted position of an empty taxi that is searched in the predicted taxi position search process and that runs around the current position specified in the position specifying process or the desired boarding position. The expected taxi location providing process,
A taxi information providing method comprising: Ride-desired taxi selection step in which the mobile terminal selects a ride-desired taxi that the user desires to take a taxi from among all empty taxis for which the information is provided in the taxi-predicted position providing step according to the operation; ,
A ride request notifying step of notifying that the user desires to take a taxi to the ride desired taxi selected in the ride desired taxi selection step by the center;
The taxi information providing method according to claim 6, further comprising: Boarding permission / refusal of determining whether the user wishes to board a taxi, in accordance with an operation by the occupant, in which the user is informed that the user desires to take a taxi in the step of notifying of riding A decision process;
A boarding permission notifying step of notifying that the user is allowed to take a taxi when the center is determined to permit the user to take a taxi in the boarding permission determination step;
The taxi information providing method according to claim 7, further comprising:   The center includes a position / time notifying step for notifying the user of a desired taxi selected in the desired taxi selecting step and a position / time notification step of notifying the user of a desired taxi ride and the desired ride time. Taxi information providing method according to 7 or 8. A search requesting step for requesting a search for the predicted position to an empty taxi traveling around the current position or the desired boarding position specified in the position specifying step;
The taxi expected position search step is to perform a search when a taxi receives a request in the search request step,
The taxi includes a search result transmission step of transmitting the result searched in the taxi predicted position search step to the center,
10. The taxi information provision according to any one of claims 6 to 9, wherein the expected taxi providing step provides information when the center receives the result in the search result transmission step. Method.

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