Bidirectional Message Modification for Wireless Test Flexibility
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Solution Overview
Problem
Existing mobile radio communication test systems lack flexibility and efficiency due to preloaded test procedures, limiting their ability to verify correct functioning of wireless applications effectively.
Innovation Solution
A mobile radio communication test system comprising a device under test, a mobile radio test device, and a message modification engine that monitors and modifies messages and parameters in both directions, enhancing flexibility and efficiency through configurable client applications and protocol stacks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a preloaded test procedure is used in the test instrument, then the test procedure can be executed automatically, but the flexibility and efficiency of the system are reduced
Solution Approach 1:
The test system transitions from static preloaded procedures to dynamic, configurable test procedures. The message modification engine allows real-time adjustment of test parameters and message contents during execution, enabling the system to adapt to different testing scenarios without requiring complete procedure redesign.
Solution Approach 2:
The system enables modification of test parameters including message contents, protocol stack configurations, and client application settings. This allows the same test infrastructure to verify different wireless applications by simply changing parameters rather than requiring different hardware or software configurations.
2Device complexity
If a preloaded test procedure is used, then the test instrument structure is simplified, but the efficiency of verifying wireless applications is reduced
Solution Approach 1:
The test instrument is designed as a universal platform that can test multiple wireless applications through a single message modification engine. This engine handles various message types and protocol stacks, making the system multi-functional and highly efficient for verifying different applications without requiring application-specific test instruments.
Solution Approach 2:
The message modification engine acts as an intermediary between the test instrument and the device under test. It monitors, modifies, and controls messages in both directions, simplifying the overall system architecture while enabling efficient and flexible testing through centralized message handling.
3Adaptability or versatility
If bidirectional message modification is enabled, then flexibility and efficiency in testing are increased, but the system complexity increases
Solution Approach 1:
The message modification engine is designed to self-manage its operations by automatically monitoring message contents and applying modifications based on configured rules. The system self-adjusts test scenarios and parameters without requiring external intervention, which manages complexity through automation while maintaining high flexibility.
Solution Approach 2:
The system implements feedback mechanisms where the message modification engine monitors message contents, evaluates them against configured criteria, and automatically adjusts test parameters. This closed-loop approach manages complexity by using intelligent decision-making based on real-time message analysis rather than requiring complex manual control systems.
Data Source
AI summary
A mobile radio communication test system is provided. The mobile radio communication test system comprises a mobile radio test device, a device under test adapted to establish a communication with the mobile radio test device, and a message modification engine configured to monitor at least one message exchanged between the mobile radio test device and the device under test, wherein depending on the content of the at least one message, the message modification engine is further configured to modify the at least one message and/or at least one parameter thereof in both directions.