Patent ID: 9432149
Filing Date: 2016-08-30
CPC Classification: H04L,H04W

Claim Text:
1. A method for transmitting ACK/NACK signal for data of two configured serving cells, the method comprising: receiving a plurality of physical downlink shared channels (PDSCHs); mapping ACK/NACK bits; and transmitting the ACK/NACK signal based on the ACK/NACK bits on one physical uplink control channel (PUCCH) resource selected from a plurality of PUCCH resources configured for the two configured serving cells, wherein the plurality of PUCCH resources comprises PUCCH resources of indices 0 and 1 corresponding to downlink data on a first serving cell and PUCCH resources of indices 2 and 3 corresponding to downlink data on a secondary serving cell, and wherein the plurality of PUCCH resources are configured on a cell.