JP6795383B2 - Communication terminal equipment, information distribution system and communication terminal program - Google Patents

Description

The present invention relates to a communication terminal device, an information distribution system and a communication terminal program.

Conventionally, the communication terminal measures the received radio wave environment regardless of whether it is in standby or during communication, and changes the antenna pictogram display according to the result. This antenna pictogram display gives the user an indication of the communication quality at that time and place. The received radio wave environment that serves as the standard for antenna pictogram display includes RSSI (received electric field strength), pilot Ec / Io (ratio of pilot signal energy to total energy), C / I (energy ratio of carrier wave to interference wave), etc. It is used (for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2001-177870

Here, the user may want to grasp the change in the communication quality of the communication terminal at the position where he / she exists and the communication quality of his / her destination.
However, with the conventional technique, even if the received radio wave environment can be displayed, it may be difficult to display the communication quality.
The present invention has been made in view of the above problems, and an object of the present invention is to display communication quality according to a user's position or movement.

(1) One aspect of the present invention is a terminal position information acquisition unit that acquires terminal position information indicating the position of the own terminal device, and the terminal position information acquired by the terminal position information acquisition unit at the first time. 1 Terminal position information and acceleration information indicating the acceleration of the own terminal device acquired at the first time, or displacement of the own terminal device from the second time to the first time, which is a time earlier than the first time. Based on the displacement information shown, a prediction unit that predicts a third position that is the position of the own terminal device at the third time, which is a time after the first time, and the third position that the prediction unit predicts. And the change with time including the prediction of the communication quality of the first position indicated by the first terminal position information according to the magnitude of the predicted movement distance of the own terminal device calculated based on the first terminal position information. A display control in which one of the first aspect indicating the above mode and the second aspect indicating the communication quality of the position including at least the third position is selected, and the information indicating the communication quality according to the selected aspect is displayed on the display unit. It is a communication terminal device including a unit.

(2) In one aspect of the present invention, in the communication terminal device according to (1) above, the display control unit has a distance from the position of the own terminal device indicated by the first terminal position information to the third position. If it is smaller than a predetermined value, the first aspect is selected, and information indicating the communication quality according to the selected first aspect is displayed on the display unit.

(3) One aspect of the present invention is the communication terminal device according to the above (1) or (2).
When the distance from the position of the own terminal device indicated by the first terminal position information to the third position is larger than a predetermined value, the display control unit selects the second aspect and uses the selected second aspect. Information indicating communication quality is displayed on the display unit.

(4) In one aspect of the present invention, in the communication terminal device according to any one of (1) to (3) above, a direction information acquisition unit that acquires direction information indicating the direction in which the own terminal device moves is further provided. When the distance from the position of the own terminal device indicated by the first terminal position information to the third position is larger than a predetermined value, the display control unit includes the position indicated by the first terminal position information and the first position. Information indicating the communication quality of a position in a range including the three positions and a range away from the position indicated by the first terminal position information in the direction indicated by the direction information is displayed on the display unit.
(5) In one aspect of the present invention, in the communication terminal device according to any one of (1) to (4) above, the display control unit is the first predicted by the prediction unit with respect to the standard communication quality. Information indicating the communication quality is displayed on the display unit according to the degree of change in the communication quality at the three positions.
(6) In one aspect of the present invention, in the communication terminal device according to any one of (1) to (5) above, the display control unit communicates after a predetermined time within the communication range of the mobile communication network. Information indicating the prediction of s communication quality after a predetermined time based on the communication quality prediction information which is the information indicating the quality prediction is displayed on the display unit.
Information indicating a communication quality prediction based on the communication quality prediction information acquired by the communication quality information acquisition unit is displayed on the display unit.

( 7 ) One aspect of the present invention is an information distribution system including the communication terminal device according to any one of (1) to ( 6 ) above and an information distribution device, wherein the information distribution device is described above. Based on the receiving unit that receives the first terminal position information and the third position information indicating the third position from the communication terminal device, and the first terminal position information and the third position information received by the receiving unit. It is an information distribution system including a transmission unit that transmits information indicating the communication quality of the position indicated by the first terminal position information to the communication terminal device.

(8) One aspect of the present invention includes a terminal position information acquisition step for acquiring terminal position information on a computer, and a first terminal position information which is the terminal position information acquired by the terminal position information acquisition step at the first time. , Based on at least one of the acceleration information indicating the acceleration of the own terminal device or the displacement information indicating the displacement of the own terminal device from the second time to the first time, which is a time earlier than the first time. The prediction step for predicting the third position, which is the position of the own terminal device at the third time, which is a time after the first time, the third position predicted by the prediction step, and the first terminal. The first aspect showing a change over time including the prediction of the communication quality of the first position indicated by the first terminal position information according to the magnitude of the predicted movement distance of the own terminal device calculated based on the position information. , A display control step in which one of the second aspect indicating the communication quality of the position including at least the third position is selected, and the information indicating the communication quality according to the selected aspect is displayed on the display unit of the own terminal device. , Is a communication terminal program for executing.

According to the present invention, it is possible to display the communication quality according to the position and movement of the user.

It is a figure which shows an example of the outline of the communication terminal apparatus of this embodiment. It is a figure which shows an example of the structure of the communication terminal device and information distribution device of this embodiment. It is a figure which shows an example of the display of the display part when the user of this embodiment is not moving. It is a figure which shows an example of the display of the display part when the user of this embodiment is moving. It is a flow chart which shows an example of the operation of the communication terminal apparatus of this embodiment. It is a figure which shows an example of the structure of the communication terminal apparatus of the modification 1. It is a figure which shows an example of the structure of the communication terminal apparatus of the modification 2. It is a figure which shows an example of the display of the display part when the user of the modification 2 is moving a long distance.

[Embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram showing an example of an outline of the communication terminal device 10 of the present embodiment. The communication terminal device 10 is a device that communicates via a mobile communication network, which is a wireless communication network, in response to an operation of the user U. The communication terminal device 10 is, for example, a portable personal computer such as a mobile phone, a smartphone, or a tablet computer (tablet PC). The mobile communication network is, for example, a mobile phone network having a communication method such as the LTE (Long Term Evolution) method. The mobile communication network is not limited to the communication network constructed according to the LTE system, and may be a communication network such as a 3G system other than the communication network constructed according to the LTE system. The mobile communication network is formed by a plurality of radio base stations (not shown). When the communication terminal device 10 is located in the area of the mobile communication network (not shown), the wireless base station performs wireless communication between the communication terminal device 10 and the wireless base station according to the LTE system. be able to. As a result, the user U uses the communication terminal device 10 to perform data communication and a telephone call via the mobile communication network.

Here, when the number of communication terminals 10 and communication terminals other than the communication terminal device 10 that are in the area and communicate using the mobile communication network is large, or the amount of data of communication using the mobile communication network. If there are many, the communication quality of the communication terminal device 10 may deteriorate. Hereinafter, communication terminals other than the communication terminal device 10 and the communication terminal device 10 are collectively referred to as a communication terminal CE. Therefore, the communication quality of the communication terminal device 10 is affected by the number of communication terminal CEs in the area and the amount of data of communication performed using the mobile communication network. Specifically, the communication terminal device 10 has poor communication quality when the number of communication terminal CEs in the area is large or when the amount of data of communication performed using the mobile communication network is large. Therefore, when the number of communication terminal CEs in the area is small or when the amount of data of communication performed using the mobile communication network is small, the communication quality is good.

When the user U stays at a certain position and uses the communication terminal device 10, the user U may want to know the current communication quality of the certain position and the future communication quality of the certain position.
Further, when the user U uses the communication terminal device 10 after moving from a certain position to a destination position (hereinafter, position P3), he / she may want to know the communication quality of the position P3.
Here, whether the user U stays at a certain position or moves may be known by referring to the detection result of the acceleration sensor included in the communication terminal device 10. In the following description, the acceleration sensor will move as the communication terminal device 10 moves from the position (hereinafter, position P2) that existed before a predetermined time to the current position (hereinafter, position P1) as the user U moves. Information indicating the detected acceleration of the communication terminal device 10 is referred to as acceleration information AC. The predetermined time is a time during which it is possible to recognize whether or not the communication terminal device 10 is moving as the user U moves. The predetermined time is, for example, about 30 seconds or 1 minute. The predetermined time may be another time instead of the time other than 30 seconds or 1 minute.
The communication terminal device 10 is a device that displays the communication quality of the position of the communication terminal device 10 according to the information indicating the position of the communication terminal device 10 (hereinafter, terminal position information DL) and the acceleration information AC.

<About the connection between the communication terminal device and the information distribution device>
Hereinafter, the configurations of the communication terminal device 10 and the information distribution device 20 will be described with reference to FIG.
FIG. 2 is a diagram showing an example of the configuration of the communication terminal device 10 and the information distribution device 20 of the present embodiment.
As shown in FIG. 2, the communication terminal device 10 is connected to the information distribution device 20 so as to be able to transmit and receive information via a mobile communication network.

<About the configuration of the information distribution device>
As described above, the information distribution device 20 is a device connected to the mobile communication network. As shown in FIG. 2, the information distribution device 20 includes a control unit 200 and a storage unit 600. The communication quality acquisition information CQ1 and the communication quality prediction information CQ2 are stored in the storage unit 600 in advance.

<Communication quality information>
The communication quality acquisition information CQ1 is information generated based on the information indicating the communication quality acquired from the communication terminal CE existing at each position in the range where communication is possible using the mobile communication network (hereinafter, communication range). Is.
The information indicating the communication quality is, for example, the reception quality, the number of retransmissions, the data error rate, and the like. The reception quality is indicated by, for example, RSS (Received Signal Strength), C / I (interference wave ratio), Ec / Io (adjacent base station transmission level to current base station transmission level), and the like.
Specifically, the information distribution device 20 acquires information indicating the communication quality of the communication terminal CE and information indicating the position of the communication terminal CE from the communication terminal CE existing in the communication range. The communication terminal CE is a method using A-GPS (Assisted-Global Positioning System) based on the information of the wireless base station connecting the communication terminal CE and the mobile communication network, and the position information of the wireless base station. The information indicating the position of the communication terminal CE is acquired by the positioning method (hereinafter referred to as the cell ID method) according to the above, and is transmitted to the information distribution device 20. The communication terminal CE uses GPS (Global Positioning System) and Global Navigation Satellite System (s): GNSS using a global navigation satellite system (QZS) such as the quasi-zenith satellites (QZS). Information indicating the position of the communication terminal CE may be acquired by a method. Further, the information distribution device 20 generates the communication quality acquisition information CQ1 by associating the acquired information indicating the position of the communication terminal CE with the information indicating the communication quality of the communication terminal CE, and stores the information in the storage unit 600. .. Therefore, the communication quality acquisition information CQ1 shows information on the communication quality at each position of the mobile communication network.
Further, the communication quality prediction information CQ2 is information indicating the prediction of the communication quality of the communication terminal CE using the mobile communication network, and is the information indicating the prediction of the communication quality at each position in the communication range. The communication quality prediction information CQ2 is, for example, information that is predicted and generated based on the communication quality acquisition information CQ1. Specifically, the information distribution device 20 accumulates the communication quality acquisition information CQ1 and generates the communication quality prediction information CQ2 by performing statistical processing. The communication quality prediction information CQ2 is a prediction of communication quality based on characteristics such as weekdays, holidays, time zones, and the number of communication terminal CEs connected to the mobile communication network, and is communication at each position of the mobile communication network. Quality predictions are shown.
In the following description, when the communication quality acquisition information CQ1 and the communication quality prediction information CQ2 are not distinguished, they are collectively referred to as the communication quality information CQ.

In this example, the communication quality information CQ evaluates the communication quality by indexes such as communication speed, communication ease of connection, and communication interruption, and is evaluated by a value of 3 to 3 to indicate the communication quality. Information. The communication quality information CQ shows a large value when the communication quality of the mobile communication network is good, and shows a small value when the communication quality is poor.
Here, when the communication quality information CQ indicates that the communication quality is good (for example, when the communication quality information CQ is "3"), the communication terminal device 10 has a large received signal strength and signal-to-interference. The noise ratio is large, the number of retransmissions is small, the data error rate is low, the throughput is high, and the number of communication terminal CEs connected to the mobile communication network is small. Further, when the communication quality information CQ indicates that the communication quality is poor (for example, when the communication quality information CQ is "1"), the communication terminal device 10 has a low reception signal strength and signal-to-interference noise. The ratio is small, the number of retransmissions is large, the data error rate is high, the throughput is low, and the number of communication terminal CEs connected to the mobile communication network is large.
The communication quality information CQ may be indicated by more than 3 stages or less than 3 stages instead of the configuration indicated by 3 stages.

<About the control unit>
The control unit 200 includes a CPU (Central Processing Unit), and includes a communication quality information transmission unit 210 as its functional unit.
The communication quality information transmission unit 210 transmits the communication quality information CQ in response to the request of the communication terminal device 10 among the communication quality information CQ stored in the storage unit 600.

<About the configuration of the communication terminal device>
The communication terminal device 10 includes a control unit 100 and a display unit DP. The display unit DP is a display device such as a display panel. The display unit DP displays the image PCT based on the control of the control unit 100.
The control unit 100 includes a CPU, and includes a terminal position information acquisition unit 110, an acceleration information acquisition unit 115, a prediction unit 120, a communication quality information acquisition unit 130, and a display control unit 140 as its functional units. ..

The terminal position information acquisition unit 110 acquires the terminal position information DL of the communication terminal device 10 at all times or at predetermined time intervals. The terminal position information acquisition unit 110 acquires the terminal position information DL by, for example, A-GPS, cell ID method, GPS, and a global navigation satellite system such as a quasi-zenith satellite.
In the following description, the terminal position information DL acquired by the terminal position information acquisition unit 110 at a certain time (hereinafter, the first time T1) will be referred to as the first terminal position information DL1. The first time T1 is, for example, the current time. Further, in this example, the position indicated by the first terminal position information DL1 is the position P1.
The terminal position information acquisition unit 110 supplies the acquired first terminal position information DL1 to the prediction unit 120.

The acceleration information acquisition unit 115 acquires acceleration information AC from an acceleration sensor (not shown) included in the communication terminal device 10. The acceleration information acquisition unit 115 supplies the acquired acceleration information AC to the prediction unit 120.

The prediction unit 120 acquires the first terminal position information DL1 from the terminal position information acquisition unit 110. Further, the prediction unit 120 acquires the acceleration information AC from the acceleration information acquisition unit 115. The prediction unit 120 predicts the position (position P3) in which the user U (communication terminal device 10) moves after a predetermined time based on the position (position P1) indicated by the first terminal position information DL1 and the acceleration information AC. To do. Specifically, the prediction unit 120 predicts the position after moving from the position P1 at the acceleration indicated by the acceleration information AC for a predetermined time as the position P3. The prediction unit 120 supplies the information indicating the predicted position P3 and the first terminal position information DL1 to the communication quality information acquisition unit 130.

The communication quality information acquisition unit 130 acquires the information indicating the position P3 and the first terminal position information DL1 from the prediction unit 120. The communication quality information acquisition unit 130 acquires the communication quality information CQ of the position P1 from the information distribution device 20 based on the position (position P1) indicated by the acquired first terminal position information DL1 and the position P3. Hereinafter, the details of the communication quality information CQ acquired by the communication quality information acquisition unit 130 will be described.

<Communication quality information: When the user is not moving>
When the distance from the position (position P1) indicated by the acquired first terminal position information DL1 to the predicted position P3 (hereinafter, predicted distance DFL1) is smaller than a predetermined value, the communication quality information acquisition unit 130 communicates at the position P1. Information indicating quality (communication quality acquisition information CQ1) and information indicating prediction of communication quality at position P1 (communication quality prediction information CQ2) are acquired from the information distribution device 20. The predetermined value is a value indicating a displacement caused by the user U (communication terminal device 10) staying at a certain position. The predetermined value is, for example, a value indicating a distance of about 1 m to 10 m. In other words, the case where the predicted distance DFL1 shows a value smaller than a predetermined value is the case where the user U (communication terminal device 10) is not moving.

The communication quality information acquisition unit 130 is configured to acquire the communication quality information CQ at the position P1 when the predicted distance DFL1 is smaller than a predetermined value (when the user U (communication terminal device 10) is not moving). Alternatively, the configuration may be such that the communication quality information CQ at the position P3 is acquired.

<Communication quality information: When the user is moving>
When the predicted distance DFL1 based on the acquired information is larger than a predetermined value, the communication quality information acquisition unit 130 determines the communication quality of the range AR1 including the position separated by the distance from the position P1 to the position P3 (hereinafter, the distance DST1). The indicated information (communication quality acquisition information CQ1) is acquired from the information distribution device 20. The case where the predicted distance DFL1 is larger than a predetermined value is the case where the user U (communication terminal device 10) is moving.

The communication quality information acquisition unit 130 supplies the communication quality acquisition information CQ1 and the communication quality prediction information CQ2 acquired from the information distribution device 20 by the above configuration to the display control unit 140.

The display control unit 140 acquires the communication quality information CQ from the communication quality information acquisition unit 130. The display control unit 140 causes the display unit DP to display the communication quality information CQ of the position indicated by the first terminal position information DL1 according to the predicted distance DFL1. Specifically, the display control unit 140 controls to generate an image PCT based on the communication quality information CQ acquired by the communication quality information acquisition unit 130 according to the predicted distance DFL1 and display it on the display unit DP. Hereinafter, the details of the display control of the display unit DP of the display control unit 140 when the user U (communication terminal device 10) is not moving and when the user U (communication terminal device 10) is moving will be described.

<Display control unit: When the user is not moving>
Hereinafter, the display control of the display unit DP of the display control unit 140 when the user U is not moving will be described with reference to the drawings.
FIG. 3 is a diagram showing an example of display of the display unit DP when the user U of the present embodiment is not moving.
The display control unit 140 acquires the communication quality acquisition information CQ1 and the communication quality prediction information CQ2 at the position indicated by the first terminal position information DL1 from the communication quality information acquisition unit 130. The display control unit 140 controls to generate an image PCT according to the values indicated by the acquired communication quality acquisition information CQ1 and communication quality prediction information CQ2 and display the image PCT on the display unit DP. Specifically, the display control unit 140 displays an image PCT indicating that the communication quality of the position indicated by the first terminal position information DL1 changes from the communication quality acquisition information CQ1 to the communication quality prediction information CQ2. More specifically, the display control unit 140 controls the display unit DP to display the image PCT indicating the communication quality of the position indicated by the first terminal position information DL1 by a weather symbol or a diagram showing the weather. For example, the display control unit 140 displays an image PCT indicating "sunny" on the display unit DP when the communication quality is good, and displays an image PCT indicating "rain" on the display unit DP when the communication quality is poor. If the communication quality is neither good nor bad, the display unit DP is controlled to display the image PCT indicating "cloudy".
In this example, when the communication quality acquisition information CQ1 is "2" and the communication quality prediction information CQ2 is "1", the display control unit 140 controls the display unit DP to display the image PCT10. In the image PCT10, for example, the communication quality at the position of the first terminal position information DL1 is "cloudy" according to the communication quality acquisition information CQ1. From the communication quality indicated by the image PCT1, "rain" according to the communication quality prediction information CQ2. Image This is an image showing that the communication quality shown by PCT2 changes.

The communication quality may be indicated by an image indicating the speed instead of the image PCT indicating the weather. In this case, the communication quality is indicated by an image showing that the speed is high when the communication quality is good, and is indicated by an image showing that the speed is slow when the communication quality is poor.
Further, the display control unit 140 may generate an image PCT showing only the information indicating the prediction of the communication quality of the position indicated by the first terminal position information DL1 and display it on the display unit DP. In this case, the communication quality information acquisition unit 130 may be configured to acquire only the communication quality prediction information CQ2 from the information distribution device 20.

<Display control unit: When the user is moving>
Hereinafter, the display control of the display unit DP of the display control unit 140 when the user U is moving will be described with reference to the drawings.
FIG. 4 is a diagram showing an example of display of the display unit DP when the user U of the present embodiment is moving.
The display control unit 140 acquires the communication quality acquisition information CQ1 at the position included in the range AR1 from the communication quality information acquisition unit 130. The display control unit 140 controls to generate an image PCT 20 indicating the area FD in which the acquired communication quality acquisition information CQ1 has the same value in the range AR1 and display it on the display unit DP. For example, the display control unit 140 is an image PCT of a map including the range AR1, and has a region FD (hereinafter, region FD1) in which the value of the communication quality acquisition information CQ1 is "1" and the value of the communication quality acquisition information CQ1. Control is performed to display the image PCT20 indicating the region FD (hereinafter, region FD2) in which is "2" on the display unit DP.

The display control unit 140 may be configured to display the map image PCT20 including the range AR1 by the function (application) of the communication terminal device 10. In this case, the display control unit 140 may display the image PCT 20 depending on the application for displaying the communication quality and the map.
Further, the image PCT20 is an image showing the area FD1 and the area FD2 corresponding to the value of the communication quality acquisition information CQ1 and the area FD (hereinafter, the area FD3) in which the value of the communication quality acquisition information CQ1 is "3". You may. Further, the image PCT information distribution device 20 may be an image showing at least one of the area FD1, the area FD2, and the area FD3.
Further, the image PCT20 may be an image showing the communication quality acquisition information CQ1 at a part of the range AR1 instead of the configuration showing the communication quality acquisition information CQ1 at the position included in the range AR1.
Further, the communication quality information acquisition unit 130 may acquire the communication quality prediction information CQ2 instead of the configuration for acquiring the communication quality acquisition information CQ1 when the predicted distance DFL1 is larger than the predetermined value described above. In this case, the display control unit 140 may generate an image PCT 20 indicating the area FD in which the acquired communication quality prediction information CQ2 has the same value in the range AR1 and display it on the display unit DP. Good. In this case, the user U can confirm the prediction of the communication quality at the destination position.
Further, the display control unit 140 may be configured to acquire the image PCT 10 and the image PCT 20 from the information distribution device 20 instead of the configuration for generating the image PCT 10 and the image PCT 20. In this case, the information distribution device 20 acquires information indicating the first terminal position information DL1 and the position P3 from the communication terminal device 10, and calculates a predicted distance DFL1 based on the acquired information. The information distribution device 20 generates an image PCT 10 and an image PCT 20 according to the calculated value of the predicted distance DFL1 and transmits the image PCT 10 to the communication terminal device 10.

<Example of more specific operation of communication terminal device>
Hereinafter, an example of a more specific operation of the communication terminal device 10 will be described. The communication terminal device 10 has a terminal position information DL (position P1) indicating the current position (position P1) of the communication terminal device 10 when the user U (communication terminal device 10) is moving when the application for displaying the image PCT 20 is started. The information regarding the first terminal position information DL1) and the communication quality of the position P1 is supplied to the information distribution device 20, and the communication quality information CQ of the range AR1 is acquired from the information distribution device 20.
The information distribution device 20 generates an image PCT 20 in which the communication quality information CQ in the range AR1 and the map around the position P1 are superimposed, and transmits the image PCT 20 to the communication terminal device 10. Here, it is preferable that the range shown by the map shown in the image PCT 20 is changed according to the speed at which the communication terminal device 10 moves. For example, when the moving speed of the communication terminal device 10 is high, the scale of the map shown in the image PCT 20 is preferably small, and when the speed is slow, the scale of the map shown in the image PCT 20 is preferably large. Here, the timing at which the communication terminal device 10 transmits the image PCT 20 from the information distribution device 20 is when the application is started, when the communication terminal device 10 is unlocked, when the display unit DP of the communication terminal device 10 is started, or at all times. It may be a predetermined time interval.
Further, the communication terminal device 10 may have a configuration in which information on the map shown as the image PCT 20 is stored in advance. In this case, the communication terminal device 10 generates an image PCT 20 in which the communication quality information CQ in the range AR1 and the map around the position P1 are superimposed based on the communication quality information CQ acquired from the information distribution device 20. Here, it is preferable that the map information stored in advance by the communication terminal device 10 includes the communication range of the mobile communication network. In the information of the map, an area capable of receiving radio waves transmitted by each wireless base station of the mobile communication network may be registered. In this case, the communication terminal device 10 acquires the communication quality information CQ acquired from the information distribution device 20 and the information indicating the identification information of each wireless base station, and generates the communication quality information CQ for each wireless base station by itself. You may. Here, the communication terminal device 10 can create the communication quality information CQ of the mobile communication network in the own terminal device by accumulating the communication quality information CQ generated by itself.
Further, the communication terminal device 10 displays the image PCT10 or the image PCT20 on the display unit DP before moving to a position where the communication quality is poorer than the communication quality of the current position (position P1) of the communication terminal device 10. It may be a configuration. Further, the image PCT 10 or the image PCT 20 may be displayed on the display unit DP before moving to a position where the communication quality is better than the communication quality of the current position (position P1) of the communication terminal device 10. .. Further, the communication terminal device 10 may be configured to display the image PCT 10 or the image PCT 20 on the display unit DP in response to approaching a position of communication quality better than the communication quality set by the user U. In this case, the communication terminal device 10 acquires the communication quality information CQ from the information distribution device 20 at all times or at a predetermined interval, and determines whether or not the acquired communication quality information CQ is better than the set communication quality. .. Further, the communication terminal device 10 displays the image PCT10 and the image PCT20 on the display unit DP according to the determination result.

<About the operation of the communication terminal device>
Hereinafter, the details of the operation of the communication terminal device 10 will be described with reference to the drawings.
FIG. 5 is a flow chart showing an example of the operation of the communication terminal device 10 of the present embodiment.
The terminal position information acquisition unit 110 acquires the terminal position information DL (first terminal position information DL1) (step S110). The acceleration information acquisition unit 115 acquires the acceleration information AC (step S115). The prediction unit 120 predicts the position P3 based on the acquired terminal position information DL and the acceleration information AC (step S120). When the predicted distance DFL1 based on the acquired positions P1 and P3 is larger than a predetermined value (step S130; YES), the display control unit 140 acquires the communication quality acquisition information CQ1 from the information distribution device 20 (step S140). Further, when the predicted distance DFL1 based on the acquired positions P1 and P3 is smaller than a predetermined value (step S130; NO), the display control unit 140 acquires the communication quality acquisition information CQ1 and the communication quality prediction information CQ2 (step). S150). The display control unit 140 controls the display unit DP to display information indicating the communication quality of the position indicated by the first terminal position information DL1 according to the predicted distance DFL1 (step S160).

<Summary of Embodiment>
As described above, the communication terminal device 10 of the present embodiment includes a terminal position information acquisition unit 110, an acceleration information acquisition unit 115, a prediction unit 120, a communication quality information acquisition unit 130, and a display control unit 140. Be prepared. The terminal position information acquisition unit 110 acquires the terminal position information DL (first terminal position information DL1) indicating the position of the communication terminal device 10. The acceleration information acquisition unit 115 acquires the acceleration information AC of the communication terminal device 10. The prediction unit 120 indicates acceleration information indicating the acceleration of the first terminal position information DL1, which is the terminal position information DL acquired by the terminal position information acquisition unit 110 at the first time T1, and the communication terminal device 10 acquired at the first time T1. Based on the AC, the third position (position P3), which is the position of the communication terminal device 10 at the third time T3, which is a time after the first time T1, is predicted. The communication quality information acquisition unit 130 acquires the communication quality of the position indicated by the first terminal position information DL1 from the information distribution device 20 based on the third position predicted by the prediction unit 120 and the first terminal position information DL1. .. The display control unit 140 causes the display unit DP to display the communication quality acquired by the communication quality information acquisition unit 130.

Here, when the user U stays at a certain position and uses the communication terminal device 10, the user U may want to know the change over time in the communication quality at the certain position. When the change in the communication quality at a certain position is known and the communication quality after the certain position becomes poor, the user U may perform a process that should be communicated while the communication quality is good. it can. Further, when the user U knows the change in the communication quality at a certain position and the communication quality after the certain position becomes good, the user U refrains from the processing requiring communication until the communication quality becomes good. , It is possible to suppress the time required for the processing of the communication terminal device 10.
The communication terminal device 10 of the present embodiment shows the current communication quality (communication quality acquisition information CQ1) at the position (position P1) where the communication terminal device 10 exists and the prediction of communication quality (communication quality prediction information CQ2). This makes it possible to display the communication quality according to the position of the user U.

Further, when the user U uses the communication terminal device 10 while moving from a certain position to another position, the user U may want to know the communication quality of the other position. When the communication quality of the other position is known and the communication quality of the other position is poor, the user U can perform a process for communicating at the position where the communication quality is good. Further, when the user U knows the communication quality of another position and the communication quality of the other position is good, the processing that requires good communication quality until the user U moves to the position where the communication quality is good. It is possible to suppress the time required for processing of the communication terminal device 10.
The communication terminal device 10 of the present embodiment has communication quality (communication quality acquisition) in the range AR1 including a position separated from the position (position P1) where the communication terminal device 10 exists to the position (position P3) where the communication terminal device 10 moves after a predetermined time. By showing the information CQ1), it is possible to display the communication quality according to the movement of the user U. As described above, the communication quality of the range AR1 includes the communication quality of the position P1 and the communication quality acquired by the information distribution device 20 from the communication terminal CE other than the communication terminal device 10 existing in the range AR1. Therefore, the communication terminal device 10 of the present embodiment acquires the communication quality acquisition information CQ1 of the range AR1 from the information distribution device 20, and the communication quality other than the communication quality of the position P1 that can be acquired by the communication terminal device 10 ( In this example, the communication quality of the range AR1) can be displayed on the display unit DP.

[Modification 1]
Hereinafter, a modification 1 according to the embodiment will be described with reference to the drawings.
In the embodiment, a case where the position P3 is predicted based on the first terminal position information DL1 at the first time T1 and the acceleration information AC has been described.
In the modified example, the position P3 is predicted based on the second terminal position information DL2, which is the terminal position information DL at the second time T2, which is a time earlier than the first time T1, and the first terminal position information DL1. Will be described.
The same components as those of the above-described embodiment will be designated by the same reference numerals and description thereof will be omitted.

<About the configuration of the communication terminal device>
Hereinafter, the configuration of the communication terminal device 11 will be described with reference to FIG.
FIG. 6 is a diagram showing an example of the configuration of the communication terminal device 11 of the first modification.
As shown in FIG. 6, the communication terminal device 11 includes a control unit 101. The control unit 101 includes a CPU, and includes a terminal position information acquisition unit 110, a displacement calculation unit 125, a prediction unit 120, a communication quality information acquisition unit 130, and a display control unit 140 as its functional units.
In the first modification, the terminal position information acquisition unit 110 acquires the first terminal position information DL1 and the second terminal position information DL2 and supplies them to the displacement calculation unit 125. Here, the second terminal position information DL2 is the terminal position information DL acquired by the terminal position information acquisition unit 110 at the second time T2, which is a time earlier than the first time T1. Further, in this example, the position indicated by the second terminal position information DL2 is the position P2.

The displacement calculation unit 125 acquires the first terminal position information DL1 and the second terminal position information DL2 from the terminal position information acquisition unit 110. The displacement calculation unit 125 calculates the displacement distance DPL based on the position (position P1) indicated by the first terminal position information DL1 and the position (position P2) indicated by the second terminal position information DL2. The displacement calculation unit 125 supplies the information indicating the calculated displacement distance DPL (hereinafter, displacement information) and the first terminal position information DL1 to the communication quality information acquisition unit 130.

The prediction unit 120 acquires the first terminal position information DL1 and the displacement information from the displacement calculation unit 125. The prediction unit 120 predicts the position P3 based on the acquired first terminal position information DL1 and the displacement information. Specifically, the prediction unit 120 predicts the position after moving the position separated by the displacement distance DPL from the position P1 after a predetermined time as the position P3. The prediction unit 120 supplies the information indicating the predicted position P3 and the first terminal position information DL1 to the communication quality information acquisition unit 130.
Since the following configurations are the same as those in the above-described embodiment, the description thereof will be omitted.

<Summary of Modification 1>
As described above, the communication terminal device 11 of the present embodiment includes a terminal position information acquisition unit 110, a displacement calculation unit 125, a prediction unit 120, a communication quality information acquisition unit 130, and a display control unit 140. .. The terminal position information acquisition unit 110 acquires the terminal position information DL (first terminal position information DL1 and second terminal position information DL2) indicating the position of the communication terminal device 11. The displacement calculation unit 125 calculates the displacement distance DPL of the first terminal position information DL1 and the second terminal position information DL2 and supplies the displacement information to the prediction unit 120. The prediction unit 120 is a third position (position P3) which is the position of the communication terminal device 11 at the third time T3, which is a time after the first time T1, based on the first terminal position information DL1 and the displacement information. ) Predict. The communication quality information acquisition unit 130 acquires the communication quality of the position indicated by the first terminal position information DL1 from the information distribution device 20 based on the third position predicted by the prediction unit 120 and the first terminal position information DL1. .. The display control unit 140 causes the display unit DP to display the communication quality acquired by the communication quality information acquisition unit 130.

The communication terminal device 11 of the modification 1 shows the current communication quality (communication quality acquisition information CQ1) at the position (position P1) where the communication terminal device 11 exists and the prediction of the communication quality (communication quality prediction information CQ2). This makes it possible to display the communication quality according to the position of the user U.
Further, the communication terminal device 11 of the modification 1 shows the communication quality (communication quality acquisition information CQ1) of the range AR1 including the position separated by the distance DST1 from the position (position P1) where the communication terminal device 11 exists. It is possible to display the communication quality according to the movement of the user U.

[Modification 2]
Hereinafter, the modified example 2 according to the embodiment will be described with reference to the drawings.
In the first embodiment and the first modification, when the user U (communication terminal device 10 and communication terminal device 11) is moving, the position (position P1) of the user U (communication terminal device 10 and communication terminal device 11) is included. The case of showing the communication quality of the range AR1 has been described.
In the second modification, the case where the communication terminal device 12 shows the communication quality of the range AR2 including the position (position P3) of the movement destination of the user U (communication terminal device 12) will be described.
The same components as those of the above-described embodiment will be designated by the same reference numerals and description thereof will be omitted.

<About the configuration of the communication terminal device>
Hereinafter, the configuration of the communication terminal device 12 will be described with reference to FIG. 7.
FIG. 7 is a diagram showing an example of the configuration of the communication terminal device 12 of the modification 2.
As shown in FIG. 7, the communication terminal device 12 includes a control unit 102. The control unit 102 includes a CPU, and includes a terminal position information acquisition unit 110, an acceleration information acquisition unit 115, a prediction unit 120, a communication quality information acquisition unit 130, a display control unit 140, and a direction information acquisition unit 150. Is provided as its functional unit.
The direction information acquisition unit 150 acquires information indicating the traveling direction of the communication terminal device 12 (hereinafter, direction information DR) from a gyro sensor (not shown) included in the communication terminal device 12. The direction information acquisition unit 150 supplies the acquired direction information DR to the communication quality information acquisition unit 130.

The communication quality information acquisition unit 130 is a position separated from the position (position P1) indicated by the first terminal position information DL1 in the direction indicated by the direction information DR based on the first terminal position information DL1, the acceleration information AC and the direction information DR. The information indicating the communication quality of the range AR2 including the position (position P3) predicted to move after a predetermined time (communication quality acquisition information CQ1) is acquired from the information distribution device 20. The position separated in the direction indicated by the direction information DR is a position separated in the direction including at least the component in the direction indicated by the direction information DR. For example, when the direction information DR indicates south, it is a position separated from the position indicated by the first terminal position information DL1 in a direction including at least a south direction component (not including a north direction component). In this example, the range AR2 is a semicircle having a radius of the distance (hereinafter, predicted distance DFL2) from the position (position P1) indicated by the acquired first terminal position information DL1 to the position P3, and is the direction information DR direction. The range indicated by a semicircle having an area in.
In this example, the display control unit 140 acquires the communication quality of the range indicated by the fan shape including the position P1 (hereinafter, the range AR2-1), which is a part of the range AR2 indicated by the semicircle, and the range thereof. The case where the communication quality of the above is displayed on the display unit DP will be described.
The communication quality information acquisition unit 130 supplies the communication quality acquisition information CQ1 at a position included in the range AR2-1 acquired from the information distribution device 20 by the above configuration to the display control unit 140. Specifically, the information distribution device 20 acquires the information indicating the first terminal position information DL1 and the position P3 and the direction information DR from the communication terminal device 10, and the position included in the range AR2 (or the range AR2-1). Is calculated. Further, the communication quality information acquisition unit 130 acquires the communication quality (communication quality acquisition information CQ1) at the position of the range AR2 (or the range AR2-1) calculated by the information distribution device 20.

<Display control unit: When the user is moving>
Hereinafter, the display control of the display unit DP of the display control unit 140 when the user U is moving will be described with reference to the drawings.
FIG. 8 is a diagram showing an example of display of the display unit DP when the user U of the modification 2 is moving a long distance.
The display control unit 140 acquires the communication quality acquisition information CQ1 at the position included in the range AR2-1 from the communication quality information acquisition unit 130. The display control unit 140 controls to generate an image PCT30 indicating an area FD in which the acquired communication quality acquisition information CQ1 has the same value in the range AR2-1 and display it on the display unit DP.

The image PCT30 is an image showing the area FD1 and the area FD2 corresponding to the value of the communication quality acquisition information CQ1 and the area FD (hereinafter, the area FD3) in which the value of the communication quality acquisition information CQ1 is "3". You may. Further, the image PCT information distribution device 20 may be an image showing any one of the area FD1, the area FD2, and the area FD3.
Further, the image PCT30 may be an image showing the communication quality acquisition information CQ1 of the position included in the range AR2 instead of the configuration showing the communication quality acquisition information CQ1 of the position included in the range AR2-1.
Further, the range AR2 may not include the current position (position P1) of the communication terminal device 12.
Further, the image PCT30 may have a configuration showing the communication quality prediction information CQ2 instead of the configuration showing the communication quality acquisition information CQ1 at the position included in the range AR2-1. In this case, the user U may specify the feature of the communication quality prediction information CQ2 shown in the image PCT30. For example, the user U may be configured to display the communication quality prediction information CQ2 at the time specified by the user U as the image PCT30, or to display the communication quality prediction information CQ2 on weekdays in the range AR2-1. Alternatively, the communication quality prediction information CQ2 for holidays in the range AR2-1 may be displayed.

<Summary of Modification 2>
As described above, the communication terminal device 12 of the second modification acquires the direction information DR indicating the direction in which the communication terminal device 12 moves. Further, when the displacement distance DPL is larger than a predetermined value, the communication terminal device 12 of the second modification moves from the position (position P1) indicated by the first terminal position information DL1 in the direction indicated by the direction information DR after a predetermined time. Information (communication quality acquisition information CQ1) indicating the communication quality of the position of at least a part of the range AR2 including the position (position P3) (hereinafter, range AR2-1) is displayed on the display unit DP.

Here, when the user U uses the communication terminal device 12 while moving from a certain position to another position at a relatively high speed, the user U may want to know the communication quality of the other position. When the communication quality of the other position is known and the communication quality of the other position is poor, the user U can perform a process for communicating at the position where the communication quality is good. Further, when the user U knows the communication quality of another position and the communication quality of the other position is good, the processing that requires good communication quality until the user U moves to the position where the communication quality is good. It is possible to suppress the time required for processing of the communication terminal device 12 by refraining from.
The communication terminal device 12 of the second modification includes a position (position P3) that is the direction indicated by the direction information DR from the position (position P1) where the communication terminal device 12 exists and is predicted to move after a predetermined time. By indicating the communication quality in the range AR2-1 (communication quality acquisition information CQ1), the communication quality according to the movement of the user U can be displayed.

In the above description, the case where the communication quality information acquisition unit 130 acquires the communication quality information CQ from the information distribution device 20 based on the acceleration information AC or the displacement information and the position P3 has been described, but the present invention is limited to this. Absent. For example, the information distribution device 20 may be configured to transmit the communication quality information CQ based on the acceleration information AC or displacement information acquired from the communication terminal device 10 and the position P3. In this case, the information distribution device 20 includes a receiving unit and a transmitting unit. The receiving unit receives information indicating the first terminal position information DL1 and the position P3 (hereinafter referred to as the third position information) from the communication terminal device 10, the communication terminal device 11, and the communication terminal device 12. Based on the received first terminal position information DL1 and third position information, the transmission unit transmits the communication quality information CQ of the position (position P1) indicated by the first terminal position information DL1 to the communication terminal device 10, the communication terminal device 11, and the communication terminal device 11. It is transmitted to the communication terminal device 12.

Each part of the communication terminal device 10, the communication terminal device 12, and the information distribution device 20 in each of the above embodiments may be realized by dedicated hardware, or may be realized by a memory and a microprocessor. It may be something to make.

Each part of the communication terminal device 10, the communication terminal device 12, and the information distribution device 20 is composed of a memory and a CPU (central processing unit), and each part of the communication terminal device 10, the communication terminal device 12, and the information distribution device 20 is provided. The function may be realized by loading and executing a program for realizing the function of.

Further, a program for realizing the functions of the respective parts included in the communication terminal device 10, the communication terminal device 11, and the information distribution device 20 is recorded on a computer-readable recording medium, and the program recorded on the recording medium is recorded in the computer system. You may perform the process by reading it into the computer and executing it. The term "computer system" as used herein includes hardware such as an OS and peripheral devices.

In addition, the "computer system" includes a homepage providing environment (or display environment) if a WWW system is used.
Further, the "computer-readable recording medium" refers to a portable medium such as a flexible disk, a magneto-optical disk, a ROM, or a CD-ROM, or a storage device such as a hard disk built in a computer system. Further, a "computer-readable recording medium" is a communication line for transmitting a program via a network such as the Internet or a communication line such as a telephone line, and dynamically holds the program for a short period of time. In that case, it also includes the one that holds the program for a certain period of time, such as the volatile memory inside the computer system that becomes the server or client. Further, the above-mentioned program may be a program for realizing a part of the above-mentioned functions, and may be a program for realizing the above-mentioned functions in combination with a program already recorded in the computer system.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment and may be appropriately modified without departing from the spirit of the present invention. it can. The configurations described in each of the above-described embodiments may be combined.

10, 11, 12 ... Communication terminal device, 20 ... Information distribution device, 100, 101, 102, 200 ... Control unit, 110 ... Terminal position information acquisition unit, 115 ... Acceleration information acquisition unit, 120 ... Prediction unit, 125 ... Displacement Calculation unit, 130 ... Communication quality information acquisition unit, 140 ... Display control unit, 150 ... Direction information acquisition unit, 210 ... Communication quality information transmission unit, 600 ... Storage unit, DP ... Display unit, CE ... Communication terminal, AC ... Acceleration Information, AR1, AR2, AR2-1 ... Range, CQ ... Communication quality information, CQ1 ... Communication quality acquisition information, CQ2 ... Communication quality prediction information, DFL1, DFL2 ... Predicted distance, DL ... Terminal position information, DL1 ... First terminal Position information, DL2 ... Second terminal position information, DPL ... Displacement distance, DR ... Direction information, FD, FD1, FD2, FD3 ... Region, P1, P2, P2-1, P2-2, P2-3, P3 ... Position , T1 ... 1st time, T2 ... 2nd time, T3 ... 3rd time

Claims (8)

A terminal position information acquisition unit that acquires terminal position information indicating the position of the own terminal device,
The first terminal position information, which is the terminal position information acquired by the terminal position information acquisition unit at the first time, and the acceleration information indicating the acceleration of the own terminal device acquired at the first time, or past the first time. It is the position of the own terminal device at the third time, which is a time after the first time, based on the displacement information indicating the displacement of the own terminal device from the second time to the first time. The prediction unit that predicts the third position and
The first terminal position information indicates according to the magnitude of the predicted movement distance of the own terminal device calculated based on the third position predicted by the prediction unit and the first terminal position information. One of the first aspect showing the change over time including the prediction of the communication quality of the position and the second aspect showing the communication quality of the position in the range including at least the third position is selected, and the communication quality according to the selected aspect is selected. A display control unit that displays the information to be shown on the display unit,
Communication terminal device including. The display control unit
When the distance from the position of the own terminal device indicated by the first terminal position information to the third position is smaller than a predetermined value, the first aspect is selected, and information indicating the communication quality according to the selected first aspect is displayed. The communication terminal device according to claim 1, which is displayed on the display unit. The display control unit
When the distance from the position of the own terminal device indicated by the first terminal position information to the third position is larger than a predetermined value, the second aspect is selected, and information indicating the communication quality according to the selected second aspect is displayed. The communication terminal device according to claim 1 or 2, which is displayed on the display unit. It is further equipped with a direction information acquisition unit that acquires direction information indicating the direction in which the own terminal device moves.
The display control unit
When the distance from the position of the own terminal device indicated by the first terminal position information to the third position is larger than a predetermined value, it is a range including the position indicated by the first terminal position information and the third position. In any one of claims 1 to 3, the display unit displays information indicating communication quality at a position in a range distant from the position indicated by the first terminal position information in the direction indicated by the direction information. The communication terminal device described. The display control unit
Any one of claims 1 to 4, in which information indicating the communication quality is displayed on the display unit according to the degree of change in the communication quality at the third position predicted by the prediction unit with respect to the standard communication quality. The communication terminal device according to paragraph 1. The display control unit
Claim 1 to display information indicating the prediction of communication quality after a predetermined time on the display unit based on the communication quality prediction information which is information indicating the prediction of communication quality after a predetermined time within the communication range of the mobile communication network. The communication terminal device according to any one of claims 5. An information distribution system including the communication terminal device according to any one of claims 1 to 6 and an information distribution device.
The information distribution device is
A receiving unit that receives the first terminal position information and the third position information indicating the third position from the communication terminal device.
A transmission unit that transmits information indicating the communication quality of the position indicated by the first terminal position information to the communication terminal device based on the first terminal position information and the third position information received by the reception unit.
Information distribution system equipped with. The terminal location information acquisition step to acquire the terminal location information to the computer,
The first terminal position information which is the terminal position information acquired by the terminal position information acquisition step at the first time, the acceleration information indicating the acceleration of the own terminal device, or the second time which is a time earlier than the first time. The position of the own terminal device at the third time, which is a time after the first time, based on at least one of the displacement information indicating the displacement of the own terminal device from the first time to the first time. Prediction steps to predict 3 positions and
The first terminal position information indicates according to the magnitude of the predicted movement distance of the own terminal device calculated based on the third position predicted by the prediction step and the first terminal position information. One of the first aspect showing the change over time including the prediction of the communication quality of the position and the second aspect showing the communication quality of the position in the range including at least the third position is selected, and the communication quality according to the selected aspect is selected. A display control step for displaying the indicated information on the display unit of the own terminal device,
Communication terminal program to execute.

Images