Patent ID: 8737369
Filing Date: 2014-05-27
Classification: H04L

Abstract:
1. A method for transmitting control information by an enhanced Node B (eNB) in a wireless communication system supporting Multiple-Input Multiple-Output (MIMO) technology, the method comprising: transmitting at least one parameter required for initial transmission of a User Equipment (UE) through a Packet Data Control Channel (PDCCH); receiving at least two codewords from the UE and decoding the received codewords; determining one of a plurality of indicators indicating decoding results of the at least two codewords and an operation state of the UE based on the decoding results of the at least two codewords; transmitting the determined indicator through a Physical Hybrid ARQ indicator channel (PHICH); and receiving at least one codeword that the UE generates and transmits based on the parameter required for initial transmission of the UE and the determined indicator.