Method for transmitting control information and device for same

摘要

The present invention relates to a wireless communication system. In more detail, the present invention relates to a method for transmitting uplink control information in a wireless communication system operating as TDD, and a device for same. The method includes transmitting Hybrid Automatic Repeat request-Acknowledgement (HARQ) in a subframe n through Physical Uplink Control Channel (PUCCH), and a transmission power of the PUCCH relates to a method determined using Equation 4 or 5, and a device for same.

主权项

1. A method for transmitting uplink control information by a user equipment in a TDD (Time Division Duplex) wireless communication system, the method comprising:
determining, by the user equipment, a PUCCH (Physical Uplink Control Channel) transmission power parameter according to an UL-DL (Uplink-Downlink) configuration and a modulo equation; and transmitting, by the user equipment to a base station, a HARQ-ACK (Hybrid Automatic Repeat reQuest-Acknowledgement) signal via a PUCCH in an uplink (UL) subframe in accordance with the determined PUCCH transmission power parameter, wherein the modulo equation includes the following parameters; a number of cells configured for the user equipment; a downlink assignment index number indicated by a downlink scheduling-related PDCCH (Physical Downlink Control Channel) lastly detected within subframe(s) associated with the UL subframe; a total number of downlink scheduling-related PDCCHs detected; a number of HARQ-ACK bits corresponding to a configured downlink transmission mode on a serving cell c, and one of: a number of PDCCH or PDSCH (Physical Downlink Shared Channel) without a corresponding PDCCH received when bundling is applied, or a number of transport blocks or a SPS (Semi-Persistent Scheduling) release PDCCH received by the user equipment when bundling is not applied, wherein the modulo equation further includes applying a modulo-4 operation to a difference between the downlink assignment index number and the total number of downlink scheduling-related PDCCHs detected.