Wake-Up Signal Resource Mapping for Low-Power Multi-Terminal Paging
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Solution Overview
Problem
Existing mobile communication systems face challenges in efficiently transmitting wake-up signals to multiple terminals or terminal sets while minimizing power consumption, particularly with the introduction of new wake-up signal waveforms and generation methods in R18 standards.
Innovation Solution
The method involves carrying wake-up signals corresponding to multiple terminals or terminal sets on different frequency-domain and/or time-domain resources, utilizing low-power wake-up signals such as MC-ASK and MC-FSK waveforms, to support transmission for a larger number of devices without increasing power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If wake-up signals for multiple terminals are transmitted using traditional methods, then all terminals can be notified, but power consumption increases and scalability is limited
Solution Approach 1:
The patent segments the wake-up signal transmission by dividing terminals into different sets and assigning different wake-up signals to different sets. Each signal is transmitted on dedicated time resources, allowing terminals to wake up only when needed. This segmentation enables supporting more terminals (improving quantity) while maintaining low power consumption because terminals in inactive sets don't need to monitor all signals.
2Use of energy by moving object
If wake-up signals are transmitted on dedicated time resources for each terminal, then power saving is improved, but system complexity increases
Solution Approach 1:
The patent creates a universal wake-up signal structure that serves multiple functions. The same basic signal format can be used for different terminal sets by simply changing the time resource assignment. The network device can dynamically configure which terminals receive which signals without changing the fundamental signal structure. This multi-functionality reduces system complexity while maintaining power saving benefits.
3Productivity
If more wake-up signals are transmitted simultaneously, then more terminals can be woken up, but power consumption and interference increase
Solution Approach 1:
The patent uses periodic time resources to transmit wake-up signals sequentially rather than simultaneously. Each wake-up signal is transmitted in its designated time slot, creating a periodic pattern that allows terminals to listen only during their allocated slots. This periodic action enables the network to wake up multiple terminals (improving productivity) while avoiding the power consumption and interference issues of simultaneous transmission.
Data Source
AI summary
Provided is a method for receiving wake-up signals. The method is performed by a terminal. The method includes: receiving a wake-up signal for the terminal on a frequency-domain resource and/or a time-domain resource corresponding to the terminal; wherein wake-up signals for at least two terminals or at least two terminal sets are carried on different frequency-domain resources and/or different time-domain resources.