Patent ID: 8767605

Claim:
A power control method, wherein the method comprises: a user equipment determining whether information in a Transmit Power Control, TPC, field in first Downlink Control Information, DCI, format is a non-TPC command after receiving the first DCI format; and the user equipment performing Physical Uplink Control Channel, PUCCH, power control with a TPC command in second DCI format when the information in the TPC field in the first DCI format is the non-TPC command and the user equipment receives the second DCI format in a downlink sub-frame in which the first DCI format is received, wherein after the user equipment determines whether the information in the TPC field in first DCI format is the non-TPC command, the method further comprises: when the information in the TPC field in the first DCI format is a TPC command, the user equipment performing Physical Uplink Control Channel, PUCCH, power control with the TPC command in the first DCI format; and when the information in the TPC field in the first DCI format is the non-TPC command and the user equipment does not receive the second DCI format in the downlink sub-frame in which the first DCI format is received, the user equipment determining an adjustment value of PUCCH power as zero.