Lee, Hong, Degerman, Kang & Waimey
Method and device for relay node retransmitting backhaul uplink to base station in a wireless communication system
The present invention discloses a method for a relay node configuring a backhaul uplink hybrid automatic repeat and request (HARQ) process in a wireless communication system. More particularly, the present invention comprises the following steps: receiving from a base station a backhaul downlink subframe pattern and a HARQ process offset value; allocating a backhaul uplink subframes, based on the backhaul downlink subframe pattern excluding the subframe which is set to an access downlink subframe; applying the HARQ process offset value to the number of HARQ processes corresponding to the backhaul downlink subframe pattern; and configuring HARQ process identifiers to the allocated backhaul uplink subframes, wherein each of the configured HARQ process identifiers have a predetermined roundtrip time (RTT) value.
LG Electronics Inc.
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Kijun Byounghoon Hanbyul Seungmin
Kim Kim Seo Lee