Lee, Hong,  Degerman, Kang & Waimey
Method and device for user equipment transmitting ACK/NACK signals to relay node in a wireless communication system
The present invention discloses a method for a user equipment transmitting acknowledgement/negative-ACK (AC/NACK) signals to a relay node in a wireless communication system. More particularly, the present invention comprises the following steps: setting an uplink subframe pattern including uplink blocked subframes and uplink non-blocked subframes, and selecting an ACK/NACK reception factor for each of the uplink subframes; receiving data from the relay node through at least one downlink subframe; and repeatedly transmitting ACK/NACK signals corresponding to the data, based on the uplink subframe pattern and the ACK/NACK reception factor, wherein when the uplink subframe for receiving the ACK/NACK signal is a specific uplink blocked subframe, the ACK/NACK signals are received by the non-blocked subframes allocated to the user equipment, following the specific uplink blocked subframe.
LG ELECTRONICS INC.
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Hakseong Hanbyul Seungmin
Kim Seo Lee