US Patent 10917214 Communication method and MTC device using narrowband

One disclosure of the present specification provides a method for performing, by a machine type communication (MTC) device, communication using a narrowband. The method may comprise the steps of: receiving setting information on a narrowband which can be used for communication, wherein the setting information comprises at least one narrowband which can be used according to at least one physical channel; determining a narrowband for a physical channel for communication on the basis of the setting information; and performing communication with respect to the physical channel using the determined narrowband.