Uplink Packet Measurement Reporting Granularity in LTE
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless communication systems, such as LTE, face challenges in efficiently reporting uplink packet measurements, particularly in Minimization of Drive Tests (MDT), where User Equipment (UE) lacks standardized criteria to report uplink packet delay and discard rate measurements per Quality of Service (QCI), leading to inefficiencies in network performance evaluation.
Innovation Solution
The UE is configured to report uplink packet measurements per Radio Bearer (RB), logical channel priority (LCP), or logical channel group (LCG), allowing for accurate and efficient reporting of packet delay and discard rate measurements to the eNodeB, thereby enabling better network performance assessment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the UE reports uplink packet measurements per QCI, then the network performance evaluation accuracy is improved, but the signaling overhead increases
Solution Approach 1:
The patent segments the measurement reporting by introducing multiple granularity levels (per Radio Bearer, per logical channel priority, per logical channel group) instead of requiring reporting per QCI. This segmentation allows the system to achieve network performance evaluation accuracy by selecting appropriate reporting granularities while reducing signaling overhead compared to the finest-grained per-QCI reporting approach.
2Measurement precision
If the UE reports detailed measurement results per RB, LCP, or LCG, then the measurement precision is improved, but the device complexity increases
Solution Approach 1:
The patent introduces dynamic configurability where the network can configure the UE to report measurements at different granularities (per RB, per LCP, or per LCG) based on specific network conditions and requirements. This dynamic approach allows the UE to adjust its processing complexity according to the configured reporting granularity while still providing precise measurement results when needed.
Solution Approach 2:
The patent changes the reporting parameter granularity from fixed per-QCI to variable granularity (RB/LCP/LCG) that can be configured based on network needs. This parameter change allows the system to optimize between measurement precision and device complexity by selecting the appropriate reporting granularity for different scenarios.
Data Source
AI summary
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing UL packet measurements in a wireless communication system, the method comprising: receiving a measurement configuration including a measurement period and a report unit from an eNB, performing an UL Packet Measurement per the report unit using the measurement period, and generating an UL Packet Measurement report including at least one ID of the report unit and at least one result of the UL Packet Measurement corresponding to the at least one ID of the report unit, and transmitting the UL Packet Measurement report to the eNB.