Method for allowing MTC terminal to transmit and receive signal in wireless communication system

1. A method for transceiving a signal by a Machine Type Communication (MTC) user equipment (UE) in a wireless communication system, the method comprising:

receiving a parameter associated with active subframe information for the MTC UE from a base station (BS);

acquiring information regarding the active subframe allocated to the MTC UE using the received parameter; and

transmitting/receiving a signal to/from the BS through at least one active subframe based upon the acquired information regarding the active subframe,

wherein the acquired information regarding the active subframe is composed of n f which denotes a system frame number, and n s which denotes a slot number within a radio frame,

wherein the n f and the n s are decided from [Equation 1],

wherein the [Equation 1] is

[(10· n f +└n s /2┘)mod 8]=first offset value,

wherein the first offset value is a chosen integer among 0 to 7 based on the received parameter, and

wherein the └ ┘ is a flooring function, and the mod is a modular arithmetic.

2. The method according to claim 1 , wherein the active subframe is specifically configured per MTC UE, and the parameter is received through a higher layer signaling.

3. The method according to claim 1 , wherein:

the parameter is received as a bitmap field having a size of predetermined bits or as a type of bit value having a predetermined size, and

a set of the active subframe is acquired based upon the parameter, and the at least one active subframe is a subframe contained in the acquired active subframe set.

4. The method according to claim 3 , wherein the parameter is a bitmap field having a size of 8 bits, and the active subframe set includes any one of 1 to 8 active subframes.

5. The method according to claim 3 , wherein:

if the parameter is represented by the bit value of the predetermined size, the parameter is represented by a function of a cell—radio network temporary identifier (C-RNTI) of the MTC UE.

6. The method according to claim 5 , wherein:

the C-RNTI function of the MTC UE is set to Least Significant Bits (LSBs) having a size of predetermined bits of the C-RNTI, or is set to Most Significant Bits (MSBs) having a size of predetermined bits of the C-RNTI.

7. The method according to claim 6 , wherein the size of predetermined bits is 3 bits or 8 bits.

8. The method according to claim 3 , wherein the size of predetermined bits is 3 bits, and the active subframe set acquired on the basis of the parameter of 3 bits includes a single active subframe.

9. The method according to claim 1 , wherein the parameter is used in a Frequency Division Duplex (FDD) frame structure.

10. The method according to claim 1 , further comprising:

if the active subframe is a downlink active subframe,

acquiring information regarding the downlink active subframe based upon a parameter associated with the downlink active subframe; and

recognizing an uplink subframe located after 4 subframes from the downlink active subframe as an uplink active subframe.

11. The method according to claim 1 , further comprising:

if the active subframe is an uplink active subframe,

acquiring information regarding the uplink active subframe on the basis of a parameter associated with the uplink active subframe; and

recognizing a downlink subframe located 4 subframes before the uplink active subframe as a downlink active subframe.

12. A Machine Type Communication (MTC) user equipment (UE) for transmitting/receiving a signal to/from a base station (BS) in a wireless communication system, comprising:

a radio frequency (RF) module configured to receive a parameter associated with active subframe information for the MTC UE from the base station (BS); and

a processor configured to acquire information regarding the active subframe allocated to the MTC UE using the received parameter,

wherein the RF module is configured to transmit/receive a signal to/from the BS through at least one active subframe based upon the acquired information regarding the active subframe,

wherein the acquired information regarding the active subframe is composed of n f which denotes a system frame number, and n s which denotes a slot number within a radio frame,

wherein the n f and the n s are decided from [Equation 1],

wherein the [Equation 1] is

[(10 ·n f +└n s /2┘)mod 8]=first offset value,

wherein the first offset value is a chosen integer among 0 to 7 based on the received parameter, and

wherein the └ ┘ is a flooring function.

13. The Machine Type Communication (MTC) user equipment (UE) according to claim 12 , wherein:

the parameter is received as a bitmap field having a size of predetermined bits or as a type of bit value having a predetermined size, and

the processor is configured to acquire a set of the active subframe based upon the parameter, wherein he at least one active subframe is a subframe contained in the acquired active subframe set.

14. The Machine Type Communication (MTC) user equipment (UE) according to claim 13 , wherein:

if the active subframe is a downlink active subframe,

the processor is configured to acquire information regarding the downlink active subframe based upon a parameter associated with the downlink active subframe, and is configured to recognize an uplink subframe located after 4 subframes from the downlink active subframe as an uplink active subframe.

15. The Machine Type Communication (MTC) user equipment (UE) according to claim 13 , wherein:

if the active subframe is an uplink active subframe,

the processor is configured to acquire information regarding the uplink active subframe based upon a parameter associated with the uplink active subframe, and is configured to recognize a downlink subframe located 4 subframes before the uplink active subframe as a downlink active subframe.