| 摘要 |
The present invention relates to a method for a terminal to transmit acknowledgement information including: determining a physical uplink control channel (PUCCH) format and resource, in which the acknowledgement information is transmitted in response to a downlink transmission received in a downlink sub-frame set including M (M>=1) downlink sub-frame; and transmitting the acknowledgement information using the PUCCH format and resource in one uplink sub-frame. Here, more than one serving cells are configured to the terminal, and the more than one serving cells can include one PCell and at least one SCell. The acknowledgement information can be transmitted using a PUCCH format 1a/1b when one physical downlink shared channel (PDSCH) without a corresponding physical downlink control channel (PDCCH) detected, exists only on PCell in the downlink sub-frame set, and a semi-persistent scheduling (SPS) release PDCCH does not exist in the downlink sub-frame set.
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