| 摘要 |
To provide a method of measuring a position of a node by using a radio communication system which comprises the node to send a position measuring signal, and a plurality of base stations to receive radio signals from the node, the method including: the base stations watching signals from the node through a predetermined channel; at least one of the base stations sending a reference signal after receiving of the position measuring signal; at least two of the base stations measuring the reception timing of the position measuring signal and the reception timing of the reference signal; and calculating the position of the node by using the reception timing of the position measuring signal and the reference signal measured by the base stations which have received the reference signal, and position information of the base station which has received the position measuring signal.
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