Method for supporting discontinuous reception and apparatus therefor in wireless communication system supporting reconfiguration of wireless resource

1. A method for receiving a signal by a user (UE) equipment in a wireless communication system supporting reconfiguration of a wireless resource, the method comprising:

receiving, via radio resource control (RRC) signaling, a configuration associated with a physical downlink control channel (PDCCH) for reconfiguring a time division duplex (TDD) uplink-downlink (UL-DL) configuration of the UE,

wherein the configuration associated with the PDCCH includes information on a periodicity as a N number of subframes, the N number of subframes is longer than 10 subframes, and a time length of one subframe is 1 ms, and

wherein the configuration associated with the PDCCH includes information on positions of several subframes in which the PDCCH is to be monitored within the periodicity, and a number of the several subframes is less than the N number of subframes; and

monitoring a plurality of reconfiguration commands in the PDCCH in the positions of the several subframes within each interval of the periodicity based on the configuration associated with the PDCCH,

wherein the plurality of reconfiguration commands include a same first TDD UL-DL configuration within a first interval of the periodicity,

wherein the TDD UL-DL configuration of the UE is reconfigured to the same first TDD UL-DL configuration within a second interval of the periodicity, and the second interval is an immediate next interval from the first interval of the periodicity,

wherein the plurality of reconfiguration commands include a same second TDD UL-DL configuration within the second interval of the periodicity,

wherein the same second TDD UL-DL configuration is different from the same first TDD UL-DL configuration, and

wherein each interval of the periodicity is the same as the N number of subframes.

2. The method according to claim 1 , wherein the TDD UL-DL configuration of the UE is reconfigured to the same second TDD UL-DL configuration within a third interval of the periodicity, and the third interval is an immediate next interval from the second interval of the periodicity.

3. The method according to claim 1 , further comprising: receiving a system information block (SIB) including a SIB based TDD UL-DL configuration and configuring the TDD UL-DL configuration of the UE to the SIB based TDD UL-DL configuration based on the received SIB, wherein the plurality of reconfiguration commands are configured so that none of downlink subframes in the SIB based TDD UL-DL configuration are configured to be changed to an uplink subframe.

4. The method according to claim 1 , further comprising: receiving a system information block (SIB) including a SIB based TDD UL-DL configuration and configuring the TDD UL-DL configuration of the UE to the SIB based TDD UL-DL configuration based on the received SIB, wherein the several subframes, in which the plurality of reconfiguration commands are monitored, are configured only to a downlink subframe and a special subframe of the SIB based TDD UL-DL configuration, within the each interval of the periodicity including the first interval and the second interval.

5. A user equipment (UE) for receiving a signal in a wireless communication system supporting reconfiguration of a wireless resource, the UE comprising:

a receiver; and

a processor,

wherein the processor is configured to:

control the receiver to receive, via radio resource control (RRC) signaling, a configuration associated with a physical downlink control channel (PDCCH) for reconfiguring a time division duplex (TDD) uplink-downlink (UL-DL) configuration of the UE,

wherein the configuration associated with the PDCCH includes information on a periodicity as a N number of subframes, the N number of subframes is longer than 10 subframes, and a time length of one subframe is 1 ms, and

wherein the configuration associated with the PDCCH includes information on positions of several subframes in which the PDCCH is to be monitored within the periodicity, and a number of the several subframes is less than the N number of subframes, and

monitor a plurality of reconfiguration commands in the PDCCH in the positions of the several subframes within each interval of the periodicity based on the configuration associated with the PDCCH,

wherein the plurality of reconfiguration commands include a same first TDD UL-DL configuration within a first interval of the periodicity,

wherein the TDD UL-DL configuration of the UE is reconfigured to the same first TDD UL-DL configuration for a second interval of the periodicity, and the second interval is an immediate next interval from the first interval of the periodicity,

wherein the plurality of reconfiguration commands include a same second TDD UL-DL configuration within the second interval of the periodicity,

wherein the same second TDD UL-DL configuration is different from the same first TDD UL-DL configuration, and

wherein each interval of the periodicity is the same as the N number of subframes.

6. The UE according to claim 5 , wherein the TDD UL-DL configuration of the UE is reconfigured to the same second TDD UL-DL configuration within a third interval of the periodicity, and the third interval is an immediate next interval from the second interval of the periodicity.

7. The UE according to claim 5 , wherein the processor is further configured to:

control the receiver to receive a system information block (SIB) including a SIB based TDD UL-DL configuration and configure the TDD UL-DL configuration of the UE to the SIB based TDD UL-DL configuration based on the received SIB,

wherein the plurality of reconfiguration commands are configured so that none of downlink subframes in the SIB based TDD UL-DL configuration are configured to be changed to an uplink subframe.

8. The UE according to claim 5 , wherein the processor is further configured to: control the receiver to receive a system information block (SIB) including a SIB based TDD UL-DL configuration and configure the TDD UL-DL configuration of the UE to the SIB based TDD UL-DL configuration based on the received SIB, wherein the several subframes, in which the plurality of reconfiguration commands are monitored, are configured only to a downlink subframe and a special subframe of the SIB based TDD UL-DL configuration, within the each interval of the periodicity including the first interval and the second interval.