UE Measurement Mode Switching After Wake-Up Signals for Power Savings
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless communication technologies face challenges in reducing power consumption in user equipment (UE) due to inefficient measurement modes and unreliable mobility state determination, particularly in scenarios with coverage enhancement and low mobility, leading to suboptimal power savings.
Innovation Solution
Implementing a method in UE to switch between normal and relaxed measurement modes based on paging reception, RRC state changes, and control signal decoding, optimizing power consumption by adjusting measurement requirements and durations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the UE performs measurements in normal measurement mode to ensure accurate mobility management and network optimization, then measurement precision is improved, but power consumption increases
Solution Approach 1:
The patent implements dynamic switching between normal measurement mode and relaxed measurement mode based on UE behavior patterns. The network can configure the UE to transition between these modes, adjusting measurement requirements and durations according to actual mobility conditions and network state, thereby optimizing the balance between measurement accuracy and power consumption
Solution Approach 2:
The patent changes measurement parameters such as measurement duration, frequency, and precision levels by switching between normal and relaxed measurement modes. The network can configure different measurement parameter sets that are activated based on UE behavior, allowing the system to adapt measurement intensity to actual needs and reduce unnecessary power consumption
2Use of energy by moving object
If the UE switches to relaxed measurement mode to reduce power consumption, then power saving is improved, but reliability of mobility state determination deteriorates
Solution Approach 1:
The patent implements a feedback mechanism where the network monitors UE behavior patterns, paging reception status, and RRC state changes to dynamically determine when to switch between measurement modes. This feedback loop ensures that relaxed measurement mode is only activated when mobility state determination reliability is not compromised, maintaining system reliability while enabling power savings
Solution Approach 2:
The patent performs preliminary assessment of UE behavior patterns and network conditions before switching to relaxed measurement mode. The network evaluates whether the UE is in a low-mobility state and whether relaxed measurements will suffice, preventing premature mode switching that could compromise mobility management reliability
3Measurement precision
If the UE performs frequent measurements to accurately track mobility state, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The patent implements periodic measurement intervals that are dynamically adjusted based on UE behavior patterns and mobility state. Instead of continuous frequent measurements, the system uses periodic measurements with adaptively determined intervals, reducing overall measurement time while maintaining adequate mobility tracking accuracy through strategic sampling
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A method in a user equipment (UE) (210, 1000, 1100) is disclosed. The method comprises determining (902) that a paging message has been received or that a radio resource control (RRC) state of the UE has changed. The method comprises using (904) a normal measurement mode (105) for a period of time after the paging message has been received or the RRC state of the UE has changed. The method comprises determining (906), based on one or more criteria being satisfied, to enter a relaxed measurement mode (110) after the period of time.