An embodiment of this application further provides a chip. The chip stores a computer program. When the computer program is executed by a processor, the wake up signal sending method shown in any one of the foregoing embodiments is performed. Implementation principles and beneficial effects of the chip are similar to those of the wake up signal sending method, and details are not described herein again.
An embodiment of this application further provides a communication system. The communication system includes the core network device and the network device shown in any one of the foregoing embodiments. The core network device is configured to perform the foregoing wake up signal sending method on a core network device side. The network device is configured to perform the foregoing wake up signal sending method on a network device side. Implementation principles and beneficial effects of the communication system are similar to those of the wake up signal sending methods, and details are not described herein again.
Optionally, the communication system may further include a terminal device. The terminal device is configured to perform a wake up signal sending method on a terminal device side.