Environment estimation device

1. An environment estimation device that is comprised in a communication system comprising a plurality of pieces of radio equipment and a mobile terminal capable of performing radio communication with each of the plurality of pieces of radio equipment when the mobile terminal is served in a radio communication range of the corresponding radio equipment, the environment estimation device comprising processing circuitry configured to:

store radio equipment information in which a serving timing at which the mobile terminal is served in the radio communication range of the radio equipment and environment information indicating an environment of the radio equipment are correlated;

acquire position information comprising position data of the mobile terminal acquired by positioning and a positioning timing; and

estimate, based on the positioning timing comprised in the acquired position information of the mobile terminal and the stored radio equipment information, an environment of the mobile terminal at a position indicated by the position data comprised in the position information,

wherein the processing circuitry estimates the environment of the mobile terminal based on an environment correlated with the radio equipment information at the serving timing which is included in a predetermined time including the positioning timing in the radio equipment information.

2. The environment estimation device according to claim 1 , wherein the environment comprises at least one of being indoors or being outdoors.

3. The environment estimation device according to claim 1 , wherein the processing circuitry estimates the environment of the mobile terminal based on a proportion of an environment correlated with each of the radio equipment information at the serving timing which is included in the predetermined time including the positioning timing in the radio equipment information.

4. The environment estimation device according to claim 1 , wherein the processing circuitry estimates the environment of the mobile terminal additionally based on a difference between the serving timing and the positioning timing.

5. An environment estimation device that is comprised in a communication system comprising a plurality of pieces of radio equipment and a mobile terminal capable of performing radio communication with each of the plurality of pieces of radio equipment when the mobile terminal is served in a radio communication range of the corresponding radio equipment, the environment estimation device comprising processing circuitry configured to:

store radio equipment information in which a serving timing at which the mobile terminal is served in the radio communication range of the radio equipment and environment information indicating an environment of the radio equipment are correlated;

acquire position information comprising position data of the mobile terminal acquired by positioning and a positioning timing; and

estimate, based on the positioning timing comprised in the acquired position information of the mobile terminal and the stored radio equipment information, an environment of the mobile terminal at a position indicated by the position data comprised in the position information,

wherein the processing circuitry acquires position information in which a position indicated by position data is included in a designated area in position information, and

wherein the processing circuitry estimates the environment of the mobile terminal in the designated area based on estimated environments of the mobile terminal at each of positions.

6. The environment estimation device according to claim 5 , wherein the environment comprises at least one of being indoors or being outdoors.

7. The environment estimation device according to claim 5 , wherein the processing circuitry estimates the environment of the mobile terminal based on an environment correlated with the radio equipment information at the serving timing closest to the positioning timing in the radio equipment information.

8. The environment estimation device according to claim 7 , wherein the processing circuitry estimates the environment of the mobile terminal additionally based on a difference between the serving timing and the positioning timing.

9. The environment estimation device according to claim 5 , wherein the designated area is an area without an above ground building.

10. An environment estimation device that is comprised in a communication system comprising a plurality of pieces of radio equipment and a mobile terminal capable of performing radio communication with each of the plurality of pieces of radio equipment when the mobile terminal is served in a radio communication range of the corresponding radio equipment, the environment estimation device comprising processing circuitry configured to:

store radio equipment information in which a serving timing at which the mobile terminal is served in the radio communication range of the radio equipment and environment information indicating an environment of the radio equipment are correlated;

acquire position information comprising position data of the mobile terminal acquired by positioning and a positioning timing; and

estimate, based on the positioning timing comprised in the acquired position information of the mobile terminal and the stored radio equipment information, an environment of the mobile terminal at a position indicated by the position data comprised in the position information,

wherein the processing circuitry acquires position information in which a position indicated by position data is included in a designated area in position information of mobile terminals which are carried by each of a plurality of users, and

wherein the processing circuitry calculates a user proportion for each environment in the designated area based on estimated environments of each of mobile terminals at each of positions.

11. The environment estimation device according to claim 10 , wherein the environment comprises at least one of being indoors or being outdoors.

12. The environment estimation device according to claim 10 , wherein the processing circuitry estimates the environment of the mobile terminal based on an environment correlated with the radio equipment information at the serving timing closest to the positioning timing in the radio equipment information.

13. The environment estimation device according to claim 12 , wherein the processing circuitry estimates the environment of the mobile terminal additionally based on a difference between the serving timing and the positioning timing.

14. The environment estimation device according to claim 10 , wherein the designated area is an area without an above ground building.