Patent ID: 11902958
Assignee: NTT DOCOMO, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A system comprising a terminal, communicating using a first carrier performing at least Downlink (DL) transmission and a second carrier, which is a supplemental Uplink (UL), performing only UL transmission, and a base station, wherein:
the base station comprises:
a transmitter that transmits, in the first carrier, an indication regarding a UL; and
a first processor that receives a UL signal using the UL based on the indication, and

the terminal comprises:
a receiver that receives the indication; and
a second processor that transmits the UL signal using the UL based on the indication,
wherein the second processor controls to not transmit a Physical Uplink Control Channel (PUCCH) on the second carrier.