Patent ID: 9461779
Filing Date: 2016-10-04
CPC Classification: H04L

Claim Text:
1. A method for transmitting uplink data information using a hybrid automatic repeat request (HARQ) of a user equipment in a wireless communication system, the method comprising: configuring at least one first uplink subframe for transmitting HARQ feedback according to a first HARQ process; receiving, from a base station, downlink scheduling information in a downlink control information (DCI) format 1A, wherein the downlink scheduling information indicates a second uplink subframe to be used for a downlink; changing the indicated second uplink subframe among the at least one first uplink subframe to a downlink subframe; receiving uplink scheduling information in a DCI format 0 indicating that the first HARQ process is changed to a second HARQ process from the base station; configuring, based on the second HARQ process, at least one third uplink subframe other than the indicated second uplink subframe for transmitting the HARQ feedback according to the second HARQ process; and transmitting the HARQ feedback using the configured at least one third uplink subframe.