公开(公告)号：US20170311294A1

公开(公告)日：2017-10-26

申请号：US15523624

申请日：2015-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Yunnjung YI

IPC: H04W72/04 ,  H04L1/00 ,  H04W4/00

CPC classification number: H04W72/04 ,  H04L1/00 ,  H04L1/0003 ,  H04L1/0009 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0094 ,  H04W4/70

Abstract: The present invention relates to a wireless access system supporting machine type communication (MTC), and according to one embodiment of the present invention, a method by which an MTC terminal transmits a hybrid automatic repeat request-acknowledgement (HARQ-ACK) in a wireless access system supporting machine type communication (MTC) can comprise the steps of: monitoring a physical downlink control channel (PDCCH) in a monitoring section having N number of subframes; receiving at least one PDCCH in the N number of subframes; and transmitting HARQ-ACK corresponding to all subframes included in the monitoring section in the Xth subframe after the end subframe of the monitoring section.