Patent ID: 10517137

Abstract:
A method and an apparatus are provided for monitoring a physical downlink control channel (PDCCH) by a user equipment (UE) in a wireless communication system. The UE receives a system information block (SIB) from a base station. The UE identifies downlink (DL) subframes indicated by a first time division duplex (TDD) uplink (UL)/DL configuration in the SIB. The UE monitors the PDCCH transmitted from the base station on at least one DL subframe included in an active time of a discontinuous reception (DRX) cycle among the DL subframes. The UE obtains information about a second TDD UL/DL configuration from the monitored PDCCH. The UE monitors the PDCCH using the second TDD UL/DL configuration. The active time includes a duration corresponding to a number of at least one consecutive DL subframe at a beginning of the DRX cycle.