| 摘要 |
A method for a node device to enter or exit a power-saving mode and a node device. The method for a node device to enter a power-saving mode comprises: a node device detecting characteristics of a reverse power supply signal provided by a user terminal device, and if the characteristics satisfy a condition of entering a power-saving mode, entering the power-saving mode. The method for a node device to exit a power-saving mode comprises: a node device in a power-saving mode exiting the power-saving mode after detecting that a user terminal device starts reverse power supply to the node device. The node device comprises a reverse power supply unit, a power source unit, a control unit, and a transceiver unit. |
