The present invention provides: a
resource allocation method for
uplink transmission onto an
unlicensed band in a
wireless communication
system, particularly, in cellular
wireless communication
system; and a method, a device, and a
system for transmitting scheduling information in a
base station and for performing reception and transmission in a terminal. In addition, provided are: a method for efficiently transmitting a
signal in a
wireless communication system, particularly, in a cellular wireless communication system; and a device therefor, and another objective of the present invention is to provide: a method for efficiently sensing a channel and transmitting a
signal / channel in a specific
frequency band (for example,
unlicensed band); a method for receiving the corresponding
signal / channel; and a device therefor.