Protocol Message Extraction via Tagged Templates
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Solution Overview
Problem
During drive tests in wireless network environments, field log files contain a large amount of protocol messages, making it difficult to identify and extract only the relevant messages for specific network events, leading to a need for selective extraction of protocol message content.
Innovation Solution
A method involving the creation of a template with predefined tags for network events, assigning protocol message features to these tags, and using a protocol message retrieving module to identify and extract relevant content from field log files, allowing for the selective extraction of protocol message content based on specific tags such as 'include', 'exclude', and 'undecided'.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all protocol messages are recorded and stored in field log files during drive tests, then complete data availability is achieved, but data volume and analysis complexity increase significantly
Solution Approach 1:
The patent extracts only the relevant protocol message content from the complete field log files by identifying and extracting specific features associated with particular network events. This extraction process removes unnecessary data while preserving the essential information needed for analysis, directly resolving the contradiction between complete data availability and manageable data volume.
Solution Approach 2:
The patent segments the protocol messages by dividing them into relevant and irrelevant portions based on predefined features and network events. By segmenting the data structure and selectively processing only the relevant segments, the system maintains reliability for specific analysis purposes while reducing the overall quantity of data that needs to be stored and processed.
2Measurement precision
If all protocol message content is extracted and analyzed, then comprehensive analysis is achieved, but processing time and resource consumption increase
Solution Approach 1:
The patent performs preliminary action by pre-defining features and their associations with network events before analyzing the field log files. This preliminary configuration allows the system to quickly identify and extract only the relevant protocol message content during analysis, achieving comprehensive analysis of relevant data without the time penalty of processing all data comprehensively.
Solution Approach 2:
The system extracts only the specific protocol message content that is relevant to predefined network events and features, leaving out the irrelevant content. This selective extraction maintains measurement precision for the events of interest while dramatically reducing the processing time and computational resources required compared to comprehensive analysis of all protocol messages.
3Measurement precision
If protocol messages are filtered manually to identify relevant content, then analysis precision is improved, but operator workload and subjectivity increase
Solution Approach 1:
The patent implements self-service by enabling the system to automatically identify, filter, and extract relevant protocol message content based on predefined features and network event definitions. The system serves itself by autonomously performing the filtering task without requiring manual operator intervention, thereby maintaining high relevance identification accuracy through structured feature definitions while eliminating the operator workload and subjectivity associated with manual filtering.
Data Source
AI summary
A method for selectively extracting protocol message content includes creating a template comprising a test scenario having at least one network event to be tested; assigning protocol message features related to the at least one network event to at least one predefined tag as part of the template during creation of the test scenario; providing a field log file including a plurality of measured protocol messages; identifying those protocol messages of the plurality of measured protocol messages of the field log file as relevant protocol messages that comprise features having a specific tag; and extracting from the relevant protocol messages parts of or the entire protocol message content. Further, a network test system is described.