Retransmission method for dynamic subframe setting in wireless communication system and apparatus for same
Disclosed is a method for allowing a terminal to transmit and receive signals to and/from a base station in a wireless communication system using a time division multiplexing method. Specifically, the method comprises the steps of: receiving a request signal for resetting into a second uplink/downlink setting while transmitting and receiving a signal according to a first uplink/downlink setting; terminating an uplink retransmission process associated with a specific uplink subframe when the use of the specific uplink subframe is changed into a downlink subframe according to the second uplink/downlink setting; and applying the second uplink/downlink setting at a specific time point to transmit and receive signals.
1. A method for determining an Uplink-Downlink configuration by a user equipment in a wireless communication system, the method comprising:
receiving a TDD (Time Division Duplex) configuration related to a reconfiguration command transmission, wherein the TDD configuration includes a periodicity configuration and a subframe set configuration for reconfiguring TDD;
setting uplink-downlink configuration based on the reconfiguration command, if the reconfiguration command is detected in a subframe indicated by the subframe set configuration,
wherein the uplink-downlink configuration is configured to be applied from a first subframe of a radio frame, and
if the reconfiguration command is received in subframe 0 of the radio frame, the uplink-downlink configuration being reconfigured from subframe 0 of the radio frame, and
if the reconfiguration command is received in a subframe other than subframe 0 of the radio frame, the uplink-downlink configuration being reconfigured from subframe 0 of a next radio frame after the radio frame.
2. The method according to claim 1 , wherein the periodicity configuration indicates a period to monitor the reconfiguration command.
3. The method according to claim 2 , wherein the period is 10 ms.
4. The method according to claim 1 , wherein the TDD configuration is received through higher layers.
5. The method according to claim 1 , wherein the reconfiguration command is received via Physical Downlink Control CHannel (PDCCH).
6. A user equipment for determining an Uplink-Downlink configuration in a wireless communication system, the UE comprising:
a radio frequency unit; and
a processor,
wherein the processor is coupled to a memory and configured to:
receive a TDD(Time Division Duplex) configuration related with a reconfiguration command transmission, wherein the TDD configuration including a periodicity configuration and a subframe set configuration for reconfiguring TDD; and
set uplink-downlink configuration based on the reconfiguration command, if the reconfiguration command is detected in a subframe indicated by the subframe set configuration,
wherein the uplink-downlink configuration is configured to be applied from a first subframe of a radio frame,
if the reconfiguration command is received in subframe 0 of the radio frame, the uplink-downlink configuration being reconfigured from the subframe 0 of the radio frame, and
if the reconfiguration command is received in a subframe other than subframe 0 of the radio frame, the uplink-downlink configuration being reconfigured from the subframe 0 of a next radio frame after the radio frame.