Method and device for controlling transmission of sounding reference signal in wireless access system supporting machine type communication

A user equipment (UE) of transmitting a Sounding Reference Signal (SRS) in a wireless communication system, the UE comprising:

• at least one transceiver,
• at least one processor, and
• at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed, cause the at least one processor to perform operations comprising:
• receiving, via the at least one transceiver, information related to a first frequency band of the SRS;
• transmitting, via the at least one transceiver, an uplink channel through a second frequency band in at least one of a subframe of index n and a subframe of index n+1;
• and
• transmitting, via the at least one transceiver, the SRS through the first frequency band in the subframe of index n based on the first frequency band being included in the second frequency band,
• wherein n is 0 or positive integer.

An apparatus of transmitting a Sounding Reference Signal (SRS) in a wireless communication system, the apparatus comprising:

• at least one processor, and
• at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed, cause the at least one processor to perform operations comprising:
• receiving information related to a first frequency band of the SRS;
• transmitting an uplink channel through a second frequency band in at least one of a subframe of index n and a subframe of index n+1;
• and
• transmitting the SRS through the first frequency band in the subframe of index n based on the first frequency band being included in the second frequency band,
• wherein n is 0 or positive integer.

A method of receiving a Sounding Reference Signal (SRS) by a base station (BS) in a wireless communication system, the method comprising:

• transmitting information related to a first frequency band of the SRS;
• receiving an uplink channel through a second frequency band in at least one of a subframe of index n and a subframe of index n+1;
• and
• receiving the SRS through the first frequency band in the subframe of index n based on the first frequency band being included in the second frequency band,
• wherein n is 0 or positive integer.

A base station (BS) of receiving a Sounding Reference Signal (SRS) in a wireless communication system, the BS comprising:

• at least one transceiver,
• at least one processor, and
• at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed, cause the at least one processor to perform operations comprising:
• transmitting, via the at least one transceiver, information related to a first frequency band of the SRS;
• receiving, via the at least one transceiver, an uplink channel through a second frequency band in at least one of a subframe of index n and a subframe of index n+1;
• and
• receiving, via the at least one transceiver, the SRS through the first frequency band in the subframe of index n based on the first frequency band being included in the second frequency band,
• wherein n is 0 or positive integer.