Communication System

Abstract: The communication system comprises: a core network-side device equipped with a position management function of a fifth generation wireless access system; a base station applied to the fifth generation wireless access system; and a repeater that performs relay processing between the base station and a communication terminal, wherein the repeater notifies the core network-side device of at least one of information regarding propagation delay between the connected base station and the own repeater, information regarding the position of the own repeater, and information regarding processing delay at the own repeater, and the communication terminal measures the positioning signal transmitted by the repeater and notifies the core network-side device of the measurement result of the positioning signal. The core network-side device calculates the position of the communication terminal on the basis of the information sent from the repeater and the measurement result sent from the communication terminal.

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