Dynamic Logging Interval Adjustment for Wireless Coverage Mapping
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Solution Overview
Problem
The existing logged measurement methods in wireless communication systems face challenges in maintaining coverage map granularity due to varying user equipment mobility, leading to potential coverage holes and inefficiencies.
Innovation Solution
A method where user equipment adjusts its logging interval based on detected mobility state, using scaling parameters and reference logging distances to optimize measurement logging, ensuring accurate coverage mapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed logging interval is used for coverage mapping, then the measurement process is simple, but coverage holes occur when UE mobility is high, deteriorating coverage map quality
Solution Approach 1:
The logging interval is changed from a fixed value to a dynamic value that adapts to the UE's mobility state. The UE detects its mobility state (e.g., through Doppler shift measurement or reference signal timing advance) and adjusts the logging interval accordingly - using a shorter interval when mobility is high and a longer interval when mobility is low, thereby maintaining coverage map quality without excessive complexity
Solution Approach 2:
The system implements feedback by having the UE continuously monitor its mobility state and use this information to adjust the logging interval. The UE reports its mobility state to the network, which then provides appropriate logging interval configurations, creating a closed-loop system that maintains optimal measurement granularity
2Manufacturing precision
If the logging interval is shortened to prevent coverage holes, then coverage map granularity is improved, but measurement and processing overhead increases
Solution Approach 1:
Different logging intervals are applied based on local conditions - specifically, the UE's current mobility state. Instead of using a uniformly short interval everywhere, the system uses shorter intervals only when the UE is detected to be in high mobility state, and longer intervals when mobility is low, thereby achieving necessary granularity only where needed and reducing overall data volume
Solution Approach 2:
The logging interval parameter is changed dynamically based on the UE's mobility state. The network configures multiple logging interval values corresponding to different mobility states (e.g., low, medium, high mobility), and the UE switches between these values according to its detected mobility, optimizing the balance between granularity and data volume
Data Source
AI summary
A method of performing a logged measurement in a wireless communication system is provided. The method includes: receiving by a user equipment a measurement configuration from a network, wherein the measurement configuration includes a logging interval; detecting by the user equipment a mobility state of the user equipment; adjusting by the user equipment the logging interval on the basis of the detected mobility state; and logging by the user equipment a measurement by using the adjusted logging interval.