A method for transmitting uplink control information in a Time Division Duplex, TDD, wireless communication system, the method comprising: transmitting Hybrid Automatic Repeat reQuest-Acknowledgement, HARQ-ACK, via a Physical Uplink Control Channel, PUCCH, in a subframe n, wherein a transmission power for the PUCCH is determined by using the following equation: n HARQ = ∑ c = 0 C − 1 V DAI, c DL − U DAI, c mod 4 ⋅ n c ACK + ∑ k ∈ K N k, c received, wherein C denotes the number of configured cells, K denotes a set having M elements k, k ∈ K, according to Uplink-Downlink UL-DL, configuration, M is a positive integer, V DAI, c DL is a value indicated by a 2-bit Downlink Assignment Index DAI, field included in a downlink scheduling-related Physical Downlink Control Channel PDCCH, lastly detected within subframe(s) n-k in a serving cell c, U DAI,c denotes the total number of downlink scheduling-related PDCCHs detected within the subframe(s) n-k in the serving cell c, n c ACK denotes the number of HARQ-ACK bits corresponding to a configured downlink transmission mode on the serving cell c, and is set to 1 when spatial bundling is applied, when spatial bundling is applied, N k, c received represents the number of PDCCH or (Physical Downlink Shared Channel PDSCH, without a corresponding PDCCH received in the subframe n-k and the serving cell c, when spatial bundling is not applied, N k, c received represents the number of transport blocks received or Semi-Persistent Scheduling, SPS, release PDCCH received in the subframe n-k and the serving cell c, and mod represents a modulo operation. transmitting Hybrid Automatic Repeat reQuest-Acknowledgement, HARQ-ACK, via a Physical Uplink Control Channel, PUCCH, in a subframe n, wherein a transmission power for the PUCCH is determined by using the following equation: n HARQ = ∑ c = 0 C − 1 V DAI, c DL − U DAI, c mod 4 ⋅ n c ACK + ∑ k ∈ K N k, c received, wherein C denotes the number of configured cells, K denotes a set having M elements k, k ∈ K, according to Uplink-Downlink UL-DL, configuration, M is a positive integer, V DAI, c DL is a value indicated by a 2-bit Downlink Assignment Index DAI, field included in a downlink scheduling-related Physical Downlink Control Channel PDCCH, lastly detected within subframe(s) n-k in a serving cell c, U DAI,c denotes the total number of downlink scheduling-related PDCCHs detected within the subframe(s) n-k in the serving cell c, n c ACK denotes the number of HARQ-ACK bits corresponding to a configured downlink transmission mode on the serving cell c, and is set to 1 when spatial bundling is applied, when spatial bundling is applied, N k, c received represents the number of PDCCH or (Physical Downlink Shared Channel PDSCH, without a corresponding PDCCH received in the subframe n-k and the serving cell c, when spatial bundling is not applied, N k, c received represents the number of transport blocks received or Semi-Persistent Scheduling, SPS, release PDCCH received in the subframe n-k and the serving cell c, and mod represents a modulo operation. wherein C denotes the number of configured cells, K denotes a set having M elements k, k ∈ K, according to Uplink-Downlink UL-DL, configuration, M is a positive integer, V DAI, c DL is a value indicated by a 2-bit Downlink Assignment Index DAI, field included in a downlink scheduling-related Physical Downlink Control Channel PDCCH, lastly detected within subframe(s) n-k in a serving cell c, U DAI,c denotes the total number of downlink scheduling-related PDCCHs detected within the subframe(s) n-k in the serving cell c, n c ACK denotes the number of HARQ-ACK bits corresponding to a configured downlink transmission mode on the serving cell c, and is set to 1 when spatial bundling is applied, when spatial bundling is applied, N k, c received represents the number of PDCCH or (Physical Downlink Shared Channel PDSCH, without a corresponding PDCCH received in the subframe n-k and the serving cell c, when spatial bundling is not applied, N k, c received represents the number of transport blocks received or Semi-Persistent Scheduling, SPS, release PDCCH received in the subframe n-k and the serving cell c, and mod represents a modulo operation.