Method for transreceiving signals using user-specific flexible TDD technology in wireless communication system and device for same
Disclosed in the present application is a method for transreceiving signals between a base station and user equipment in wireless communication system. Specifically, the method comprises a step of transreceiving the signals with the base station, in units of a wireless frame comprising at least one user equipment-shared time resource interval and at least one user equipment-specific time resource interval, wherein the at least one user equipment-specific time resource interval is a time resource interval for transreceiving data between the base station and the user equipment, and wherein the at least one user equipment-shared time resource interval is a time resource interval for transreceiving signals for measuring interference.
1. A method for transmitting and receiving signals to and from a Base Station (BS), by a User Equipment (UE), in a wireless communication system, the method comprising:
when a physical random access channel (PRACH) transmission overlaps with an interference measurement signal transmission in a first subframe of a UE-common time resource interval of a time division duplex (TDD) radio frame and the UE incurs interference, transmitting an interference measurement signal in the first subframe of the UE-common time resource interval, the TDD radio frame including at least one UE-common time resource interval and at least one UE-specific flexible time resource interval;
discarding the PRACH transmission in the first subframe of the UE-common time resource interval;
receiving, when the BS incurs the interference, the interference measurement signal in a second subframe of the UE-common time resource interval of the TDD radio frame; and
transmitting and receiving data to and from the BS in a UE-specific flexible time resource interval of the TDD radio frame, and
wherein the UE-common time resource interval is composed of three subframes in the order of a downlink subframe, a special subframe, and an uplink subframe,
wherein the first subframe corresponds to the special subframe or the uplink subframe of the UE-common time resource interval, and
wherein the second subframe corresponds to the downlink subframe of the UE-common time resource interval.
2. The method according to claim 1 , further comprising:
receiving information about frequency resources for transmitting the interference measurement signal from the BS.
3. The method according to claim 1 , further comprising:
receiving system broadcasting information within the downlink subframe of the UE-common time resource interval.
4. A User Equipment (UE) in a wireless communication system, the UE comprising;
a wireless communication module; and
a processor that controls the wireless communication module to:
when a physical random access channel (PRACH) transmission overlaps with an interference measurement signal transmission in a first subframe of a UE-common time resource interval of a time division duplex (TDD) radio frame and the UE incurs interference, transmit an interference measurement signal in a first subframe of a UE-common time resource interval, the TDD radio frame including at least one UE-common time resource interval and at least one UE-specific flexible time resource interval,
wherein the processor is further configured to discard the PRACH transmission in the first subframe of the UE-common time resource interval;
receive, when a base station (BS) incurs the interference, the interference measurement signal in a second subframe of the UE-common time resource interval, and
transmit and receive data to and from the BS in a UE-specific flexible time resource interval of the TDD radio frame,
wherein the UE-common time resource interval is composed of three subframes in the order of a downlink subframe, a special subframe, and an uplink subframe,
wherein the first subframe corresponds to the special subframe or the uplink subframe of the UE-common time resource interval, and
wherein the second subframe corresponds to the downlink subframe of the UE-common time resource interval.
5. The UE according to claim 4 , wherein the processor further controls the wireless communication module to:
receive information about frequency resources for transmitting the interference measurement signal from the BS.
6. The UE according to claim 4 , wherein the processor further controls the wireless communication module to:
receive system broadcasting information within the downlink subframe of the UE-common time resource interval.