Dynamic BWP Switching for UE Energy-Level Power Saving
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Solution Overview
Problem
Existing wireless communications systems fail to efficiently adapt to address the challenges of power saving techniques for the UE. The UE may adapt the active BWP in accordance with an energy level of the UE. The UE may switch the bandwidth size of the active BWP in accordance with the energy level of the UE satisfying a threshold energy level, thereby reducing power consumption and improving signaling reliability.
Innovation Solution
The UE dynamically adapts the bandwidth size of the active BWP based on its energy level, switching to a smaller bandwidth or default BWP when the energy level falls below a threshold, and communicates this change to the network, allowing for power savings and improved network coordination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the UE uses a larger bandwidth size for the active BWP, then communication throughput and data rate are improved, but power consumption and processing overhead increase
Solution Approach 1:
The patent implements dynamic BWP switching that adapts the bandwidth size based on real-time energy level conditions. The UE monitors its energy level and dynamically switches between different BWP configurations (first BWP with larger bandwidth for high throughput, second BWP with smaller bandwidth for power saving) to optimize the trade-off between communication productivity and power consumption based on current operational needs
Solution Approach 2:
The patent changes the bandwidth parameter of the active BWP based on energy level conditions. By switching between different BWP configurations with different bandwidth sizes, the system adjusts the communication parameter to match the current power availability, thereby resolving the contradiction between maintaining high throughput and reducing power consumption
2Use of energy by moving object
If the UE switches to a smaller bandwidth size to save power, then power consumption is reduced, but communication reliability and signaling efficiency deteriorate
Solution Approach 1:
The system dynamically switches BWP configurations based on energy level monitoring. When energy levels are sufficient, the UE operates on the first BWP with larger bandwidth for reliable communication. When energy levels drop below thresholds, it switches to the second BWP with smaller bandwidth for power saving, and can switch back when energy is replenished, thereby maintaining reliability adaptively
Solution Approach 2:
The patent implements preliminary energy level monitoring and proactive BWP switching before communication failures occur. By monitoring energy levels in advance and switching to power-saving modes before critical depletion, the system prevents communication failures while maximizing power savings opportunities
3Loss of energy
If the UE frequently switches BWP configurations to adapt to energy levels, then power saving efficiency is improved, but system complexity and switching overhead increase
Solution Approach 1:
The patent segments the BWP configuration space into distinct, pre-defined modes (first BWP for high performance, second BWP for power saving) with clear switching criteria. This segmentation simplifies the control logic by providing discrete, manageable states and transition rules, reducing the complexity of managing continuous adaptation while maintaining effective power saving
Data Source
AI summary
This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer storage media, for bandwidth part (BWP) dynamic adaptation in accordance with an energy level at a user equipment (UE). In some systems, the UE may implement techniques for power savings by operating according to a narrower BWP in accordance with an energy level at the UE. In some implementations, the UE may reduce the bandwidth size of the active BWP if the UE energy level satisfies a threshold. The UE may transmit signaling to the network indicating that the bandwidth size of the active BWP is reduced. Additionally, or alternatively, the UE may fall back to a default BWP if the UE energy level satisfies a threshold. For example, the UE may fall back to the default BWP prior to expiration of a timer configured to trigger the UE to fall back to the default BWP.