Traffic-Type Wake-Up Signaling to Reduce False Terminal Wake-Ups
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Solution Overview
Problem
In wireless communication networks, terminals with the same paging occasion experience unnecessary power consumption due to false wake-ups when one terminal is paged, causing other terminals to listen to paging messages, which is inefficient and wasteful.
Innovation Solution
A method is introduced to group terminals based on their traffic type, determining a sequence index, and sending a wake-up signal (WUS) only to those terminals belonging to the specific group, thereby reducing false wake-ups and power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a WUS is sent to a group of terminals with the same paging occasion, then the paged terminal can be woken up, but other terminals that are not paged also wake up and listen to paging messages, causing false wake-ups and power consumption
Solution Approach 1:
The patent segments the group of terminals with the same paging occasion into multiple sub-groups based on traffic types (e.g., eMBB, URLLC, mMTC). Each sub-group is assigned a unique WUS sequence index. This segmentation allows the base station to send targeted WUS signals to specific sub-groups rather than broadcasting to all terminals, thereby reducing false wake-ups and power consumption while maintaining reliable wake-up delivery to the intended terminal.
2Loss of energy
If terminals are grouped by traffic type and assigned specific WUS sequence indices, then false wake-up rate is reduced, but the system complexity increases due to multiple WUS groups and sequence management
Solution Approach 1:
The patent changes the parameter of WUS sequence indices by associating each traffic type with a specific sequence index range or pattern. For example, eMBB terminals may be assigned indices 0-7, URLLC terminals indices 8-15, and mMTC terminals indices 16-23. This parameter-based differentiation allows terminals to efficiently identify their group through simple index comparison rather than complex group membership verification, reducing system complexity while maintaining energy savings.
3Reliability
If all terminals with the same paging occasion listen to paging messages after WUS detection, then no terminal misses its page, but terminals that don't need to wake up consume unnecessary power
Solution Approach 1:
The patent extracts the wake-up decision logic from the paging message listening process by using traffic-type-specific WUS sequence indices. When a terminal detects a WUS with its assigned sequence index, it knows with high probability that it is the intended recipient, so it proceeds to listen to the paging message. Terminals that detect a WUS with a different sequence index can skip paging message listening, thereby extracting unnecessary power consumption from the system while maintaining reliable paging delivery through the sequence index matching mechanism.
Data Source
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AI summary
Provided are a terminal waking method and device, and a storage medium. The method includes: determining a traffic group where target terminals are located according to a traffic type of the target terminals; determining a sequence index corresponding to the target terminals at least according to the traffic group; and sending a wake up signal (WUS) corresponding to the sequence index to the target terminals.