Inter-Frequency Cell Measurement Time Adjustment
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Solution Overview
Problem
In hierarchical HetNets with inter-frequency deployment, existing measurement strategies for User Equipment (UE) lead to unnecessary inter-frequency measurements and increased power consumption, which hampers load balancing and system performance.
Innovation Solution
A method and apparatus for UE to adjust time requirements for cell identification and measurement on specific carriers, allowing for extended time frames for cell identification and measurement, reducing unnecessary inter-frequency measurements and power consumption while maintaining measurement accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional inter-frequency measurement strategies are used for seamless switching in hierarchical HetNets, then measurement coverage is improved, but unnecessary inter-frequency measurements increase and power consumption rises
Solution Approach 1:
The patent applies local quality by differentiating measurement requirements for different cell types. Macro cells use conventional measurement strategies for seamless switching, while pico cells use extended time requirements to reduce unnecessary measurements. This localized differentiation allows each cell type to operate with optimized measurement parameters suited to its specific function and traffic characteristics.
Solution Approach 2:
The patent implements dynamics by making measurement time requirements adaptive rather than static. The system dynamically adjusts measurement time requirements based on cell type (macro vs. pico), traffic conditions, and load balancing needs. This dynamic adjustment allows the network to optimize power consumption while maintaining seamless switching capability.
2Speed
If conventional inter-frequency measurement strategies are used for instant switching, then switching speed is improved, but measurement accuracy and load balancing performance deteriorate
Solution Approach 1:
The patent segments the measurement process into distinct phases with different time requirements. For macro cells, conventional measurement strategies maintain switching speed. For pico cells, extended time requirements improve measurement accuracy and enable better load balancing. This segmentation allows the system to optimize for different objectives in different contexts.
Solution Approach 2:
The patent applies partial action by implementing extended measurement time requirements only for pico cells rather than all cells. This partial application of extended measurement allows the system to improve measurement accuracy where needed (pico cells for load balancing) while maintaining fast switching where conventional measurements suffice (macro cells).
3Reliability
If sequential measurement mechanism is used for inter-frequency frequency points, then frequency balance is maintained, but measurement time and system complexity increase
Solution Approach 1:
The patent implements periodic action through extended measurement time requirements that create structured measurement intervals for pico cells. These extended periodic measurement intervals allow the system to maintain frequency balance while reducing the frequency of inter-frequency measurements, thereby reducing overall measurement time and power consumption compared to conventional sequential measurement of all frequency points.
Data Source
AI summary
A method and an apparatus for measuring an inter-frequency neighboring cell is provided. The method comprises obtaining a time requirement of cell identification of a specific carrier, obtaining a time requirement of cell measurement of the specific carrier, identifying a new cell on the corresponding specific carrier in the time requirement of the cell identification of the specific carrier, measuring Reference Signal Receiving Power (RSRP) and/or Reference Signal Receiving Quality (RSRQ) of an identified cell in the time requirement of the cell measurement of the specific carrier, and reporting a measurement result of the identified cell according to a configured measurement event, wherein the specific carrier is different from other carriers, and the time requirement of the cell identification of the specific carrier is different from time requirements of the cell identification of other carriers.