Bandwidth Part Configuration for Wireless Power Saving
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Solution Overview
Problem
Current wireless communication systems face challenges in optimizing power consumption, particularly in activated cells, as they often maintain higher bandwidths continuously regardless of data traffic conditions, leading to inefficient power usage.
Innovation Solution
The implementation of a special bandwidth part configuration, where a UE performs reception only when an ordinary bandwidth part is active, and remains inactive when a special bandwidth part is active, allowing for dynamic adjustment of bandwidth based on traffic demand, thereby reducing power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a cell maintains higher bandwidth continuously, then communication capability is preserved, but power consumption increases
Solution Approach 1:
The patent implements dynamic bandwidth adjustment by switching between a first bandwidth part (first bandwidth) and a second bandwidth part (second bandwidth) based on traffic conditions. The UE dynamically changes its reception bandwidth by activating different bandwidth parts, allowing the system to maintain communication capability when needed while reducing power consumption during low-traffic periods.
Solution Approach 2:
The system changes the bandwidth parameter by activating different bandwidth parts with different bandwidth sizes. The network configures multiple bandwidth parts with different bandwidth parameters, and the UE switches between them based on traffic demand, thereby adjusting the bandwidth parameter to optimize the trade-off between communication capability and power consumption.
2Use of energy by moving object
If bandwidth is reduced to save power, then power consumption decreases, but reception capability is lost
Solution Approach 1:
The patent divides the total bandwidth into multiple bandwidth parts (first bandwidth part and second bandwidth part), where each part serves a specific function. The first bandwidth part is used for normal reception operations, while the second bandwidth part (with smaller or zero bandwidth) is used for power saving. This segmentation allows the system to switch between operational modes without losing overall reception capability.
Solution Approach 2:
The system implements periodic switching between different bandwidth parts based on traffic patterns. During active traffic periods, the first bandwidth part is activated for full reception capability. During idle periods, the system switches to the second bandwidth part for power saving, creating a periodic pattern of full and reduced operation that balances power consumption with reception capability.
Data Source
AI summary
Methods and apparatuses for improving power consumption for an activated cell in a wireless communication system are disclosed herein. In one method, a user equipment (UE) receives a configuration of at least one bandwidth part for a cell. The UE performs a reception for the cell with a bandwidth associated with a first bandwidth part when a first bandwidth part of the cell is active. The UE does not perform the reception for the cell when a second bandwidth part of the cell is active.