Patent ID: 9516630
Filing Date: 2016-12-06
CPC Classification: H04L,H04W

Claim Text:
1. A method for transmitting uplink control information at a communication apparatus in a time division duplex (TDD) wireless communication system, the method comprising: receiving at least one physical downlink control channel (PDCCH) or at least one physical downlink shared channel (PDSCH); and generating reception response information for the at least one PDCCH or the at least one PDSCH, wherein, when the reception response information and channel status information are configured to be transmitted in a same subframe and a second physical uplink control channel (PUCCH) format is configured for the communication apparatus, if a certain condition is satisfied, the reception response information and the channel status information are transmitted together using a first PUCCH format, and wherein the certain condition includes a first condition of a single PDCCH transmission only on a primary cell (PCell) that has a downlink assignment index (DAI) initial value equal to 1 and indicates a semi-persistent scheduling (SPS) release being present.