The present disclosure describes methods, system, and devices for transmitting and receiving signal for power management. One method includes transmitting, by a user equipment (UE) to a base station, a message comprising first information corresponding to the base station switching between a first power state and a second power state; and receiving, by the UE from the base station, a response corresponding to the message, the response comprising second information. Another method includes receiving, by a base station from a UE, a message comprising a first information corresponding to the base station switching between a first power state and a second power state; performing, by the base station, a state transition operation switching between the first power state and the second power state; and transmitting, by the base station, a response comprising a second information.