Patent ID: 9750001
Date: 2017-08-29
CPC Classifications: H04B,H04L,H04W

Claim:
1. A repeat request method comprising: selecting, in a frame for communication, a plurality of subframes available for uplink data transmission from a relay node to an eNodeB; receiving an indicator that indicates a number of HARQ processes from the eNodeB, wherein the HARQ process is a processing unit of Hybrid Automatic Repeat Request (HARQ) and the indicator is transmitted from the eNodeB in a backhaul downlink subframe, which has a corresponding backhaul uplink subframe that is the fourth subframe after the backhaul downlink subframe; mapping the indicated number of HARQ processes sequentially onto the selected plurality of subframes; and transmitting the frame including the plurality of subframes on which the indicated number of HARQ processes are mapped.