Base Station Throughput Logging for Location-QoS Association
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Solution Overview
Problem
In LTE Release-11, radio base stations face challenges in accurately associating location information of mobile stations with Quality of Service (QoS) measurement results due to differing acquisition times, leading to inconsistent reporting to operation and maintenance servers.
Innovation Solution
A mobile communication method where the radio base station measures throughput during active data transmission periods, records and logs location information and measurement results, and reports them to a server at designated times to ensure synchronized association with QoS metrics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the radio base station reports location information and QoS measurement results to the operation and maintenance server, then the server can perform QoS verification and geographical mapping, but the association between location information and QoS measurement results becomes inaccurate due to timing differences
Solution Approach 1:
The radio base station performs preliminary actions by measuring throughput during the active period and storing it temporarily before the location information is received. When location information arrives, the base station retrieves the pre-measured throughput data and associates it with the location information, ensuring accurate matching without waiting for simultaneous arrival of both data types.
Solution Approach 2:
The radio base station acts as an intermediary that bridges the timing gap between throughput measurement and location information receipt. It maintains a temporary storage mechanism for throughput data and uses identification information to match location information with the corresponding throughput measurements, resolving the timing mismatch before reporting to the server.
2Measurement precision
If the radio base station measures throughput continuously to ensure accurate QoS data, then QoS verification accuracy improves, but system complexity and measurement overhead increase
Solution Approach 1:
Instead of continuous throughput measurement, the radio base station performs partial measurement only during the active period when downlink data is actually generated. This selective measurement approach maintains QoS verification accuracy for relevant time windows while reducing unnecessary measurement overhead and system complexity during inactive periods.
Data Source
AI summary
In MDT, a radio base station eNB reports, to an operation and maintenance server OAM, location information of a mobile station UE and a QoS measurement result in an exactly associated manner. A mobile communication method according to the present invention includes a step of reporting, by the mobile station UE, "MDT Measurement" and "Location Information", to the radio base station eNB, and a step of recording, by the radio base station eNB, the "Location Information" in addition to "DL Throughput" at an "Active Time" and "MDT Measurement" when the "Location Information" is received during the "Active Time", and reporting the "DL Throughput", the "MDT Measurement", and the "Location Information" to the operation and maintenance server OAM.