| 摘要 |
A terminal apparatus includes a processor. The processor obtains first information relating to communication states between the terminal apparatus and two or more other terminal apparatuses and between the other terminal apparatuses. The processor identifies using trilateration, based on the first information, first relative positional relationships between the terminal apparatus and the other terminal apparatuses. The processor measures, based on second information detected by a sensor, a movement direction and a movement distance of the terminal apparatus when the terminal apparatus has moved. The processor identifies second relative positional relationships between the terminal apparatus and the other terminal apparatuses after the movement of the terminal apparatus. The processor calculates a relative position and a relative direction of the terminal apparatus relative to the other terminal apparatuses, based on the first relative positional relationships, the second relative positional relationships, and the movement distance and the movement direction of the terminal apparatus.
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