FIELD: communication.
SUBSTANCE: base station device includes a transmitter made with the possibility of transmission of a downlink signal, using the first carrier component and the second carrier component, and a receiver made with the possibility of reception of an uplink signal transmitted by a terminal device, using at least the second carrier component. The transmitter transmits information about spatial relationship in the uplink signal, which is information with indication of a transmission filter in a spatial domain for transmission of an uplink signal, and information about spatial relationship in the second carrier component includes information, in which the first carrier component is indicated.
EFFECT: efficient beam formation, support of stable communication quality, and increase in frequency efficiency or bandwidth for providing a broadband transmission, at which a set of carrier components is combined.
6 cl, 5 dwg
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