Terminal Power-Saving Mode Configuration for Lower Signaling Overhead
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Solution Overview
Problem
The high signaling overheads associated with configuring power saving parameters for terminal devices in wireless communication systems, such as those specified in the NR R15 standard, lead to inefficiencies and increased power consumption.
Innovation Solution
A method and device that allow a terminal device to explicitly or implicitly indicate a power saving mode or class, with the network-side device providing feedback to reduce signaling overheads and processing delays by configuring appropriate parameters based on the reported power saving requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If all power saving parameters are configured by the base station, then power saving control capability is improved, but signaling overhead increases
Solution Approach 1:
The patent segments the power saving parameter configuration into two parts: (1) The base station configures power saving mode/class indicators and related parameters, and (2) The terminal device autonomously determines specific parameter values based on the configured mode/class and its own state. This segmentation reduces signaling overhead while maintaining control capability.
Solution Approach 2:
The terminal device is empowered to autonomously determine power saving parameter values based on the configured mode/class indicators and its own operational state. This self-service approach eliminates the need for the base station to configure every parameter, significantly reducing signaling overhead while maintaining effective power saving control.
2Reliability
If all power saving parameters are configured by the base station, then configuration completeness is improved, but processing delay increases
Solution Approach 1:
The base station pre-configures power saving mode/class indicators and essential parameters in advance. When the terminal device needs to switch power saving modes, it can quickly determine parameter values based on the pre-configured indicators and its current state, avoiding lengthy configuration processes and reducing processing delay.
Solution Approach 2:
The terminal device autonomously determines parameter values based on pre-configured mode/class indicators and its own state information. This self-service mechanism enables rapid parameter adjustment without waiting for base station configuration, significantly reducing processing delay while maintaining configuration completeness.
3Loss of information
If terminal device autonomously determines parameters, then signaling overhead is reduced, but configuration precision deteriorates
Solution Approach 1:
The patent applies different configuration approaches to different parameters: (1) Power saving mode/class indicators and key parameters are configured by the base station with high precision, and (2) Specific parameter values are autonomously determined by the terminal device based on local state information. This local quality differentiation maintains configuration precision for critical parameters while reducing signaling overhead for less critical ones.
Solution Approach 2:
The terminal device determines parameter values by changing parameters based on its operational state and the configured power saving mode/class. This parameter change approach allows precise configuration adapted to actual device conditions while minimizing signaling requirements, as the terminal uses its own state information rather than receiving all parameters from the network.
Data Source
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AI summary
A configuration method and a device are provided. The method includes: sending a first message to a network-side device, where the first message explicitly or implicitly indicates a power saving mode or a power saving class of a terminal device; receiving, from the network-side device, first feedback information about the first message; and determining, based on the first feedback information, value(s) of one or more first parameters related to power consumption of the terminal device.