Wireless Wake-Up Signal Resources for Low-Latency Network Sleep Modes
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Solution Overview
Problem
In wireless communication systems, network devices entering a sleep mode to conserve energy result in prolonged communication delays due to the inability to serve terminal devices promptly.
Innovation Solution
A method where network devices configure wake-up signal resources for terminal devices, allowing them to transmit signals to wake up the network device even when it is in sleep mode, using configuration information to determine accessible wake-up signal resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If network devices enter sleep mode to conserve energy, then energy consumption is reduced, but communication delay increases due to inability to serve terminal devices promptly
Solution Approach 1:
The terminal device determines and prepares wake-up signal resources in advance before needing to communicate with the network device. By pre-configuring the resources and having them ready, the terminal can immediately transmit the wake-up signal when needed, avoiding communication delays while allowing the network device to remain in sleep mode until actually required
Solution Approach 2:
A wake-up signal is introduced as an intermediary mechanism between the terminal device and the sleeping network device. The terminal transmits this signal on predetermined resources, which serves as a notification to wake the network device, enabling asynchronous communication without requiring the network device to remain continuously active
2Loss of time
If network devices remain active to ensure prompt service, then communication delay is reduced, but energy consumption increases
Solution Approach 1:
Instead of continuous operation, the network device operates periodically by entering sleep mode and being woken by periodic wake-up signals from terminal devices. This periodic wake-up mechanism allows the network device to conserve energy during idle periods while remaining available for service when needed, balancing energy consumption with communication responsiveness
Data Source
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AI summary
A wireless communication method and apparatus, a device, a storage medium, and a program product, relating to the technical field of communications. The method comprises: a network device sends first configuration information to a terminal device, the first configuration information being used for determining wake-up signal resources, and the wake-up signal resources comprising a resource used for sending a wake-up signal to the network device (210); and the terminal device determines first wake-up signal resources according to the first configuration information, the first wake-up signal resources comprising wake-up signal resources available to the terminal device (220). The terminal device can obtain wake-up signal resources configured therefor by the network device, and then determine an available first wake-up signal resource according to the requirements of the terminal device; when the network device is in a sleep mode, the terminal device can send a wake-up signal to the network device by using the first wake-up signal resource, thereby avoiding the disadvantage of the communication transmission delay of the terminal device being too great as a result of a network device in a sleep mode being unable to serve the terminal device for a long period of time.