POWER CONTROL FOR ACK/NACK FORMATS WITH CARRIER AGGREGATION Russian patent published in 2015 - IPC H04W52/32 

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to wireless communication. A system and a method for determining a physical uplink control channel (PUCCH) power control parameter h(n_CQI, n_HARQ) for two carrier aggregated (CA) PUCCH formats - PUCCH format 3 and channel selection. The value of h(n_CQI, n_HARQ) may be based on only a linear function of n_HARQ for both of the CA PUCCH formats. Based on the CA PUCCH format configured for the user equipment (UE) (12), the eNodeB (16) may instruct the UE to select or apply a specific linear function of n_HARQ as a value for the power control parameter h(n_CQI, n_HARQ), so as to enable the UE to more accurately establish transmission power of its PUCCH signal. Values for another PUCCH power control parameter (Δ_{F_PUCCH}(F)) are also provided for use with PUCCH format 3. A new offset parameter may be signalled for each PUCCH format that has transmit diversity configured.

EFFECT: accurate control of uplink transmission power.

18 cl, 13 dwg