Patent ID: 10575184

Abstract:
The embodiments of the present disclosure provide a method and apparatus for transmitting and receiving a signal using an unlicensed carrier, applied in a base station. After a right to use the unlicensed carrier is preempted by the base station, the signal in remaining resources and/or a subframe subsequent is transmitted to the remaining resources, herein the signal includes one or more of start symbol identity information, a synchronization signal, a reference signal, and a service data signal, herein, the remaining resources includes the complete Orthogonal Frequency-Division Multiplexing (OFDM) symbols located in a contention back-off window and after a time point when the right to use the unlicensed carrier is contended, or complete OFDM symbols from the time point when the right to use the unlicensed carrier is contended by the base station up to an end time of a subframe in which the time point is located.