Vehicle Antenna Test Memory Optimization via Segmented Tables
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Solution Overview
Problem
The existing configuration tables used in vehicle computer units for testing antenna functionality consume a significant portion of limited onboard memory resources, leading to increased complexity and costs.
Innovation Solution
A method utilizing two tables, where the first table contains indexes pointing to pairs of scenario identifiers and vehicle transmitting antenna configuration identifiers, and the second table contains pairs of power values and data frames, allowing for efficient data storage and retrieval during testing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single comprehensive table storing all scenario identifiers, antenna configuration identifiers, power values, and data frame information is used, then all testing data can be stored and accessed, but the memory consumption increases significantly
Solution Approach 1:
The patent divides the configuration table into two separate tables: a first table storing scenario identifiers, antenna configuration identifiers, and index information; and a second table storing power values and data frame information. This segmentation reduces memory consumption by optimizing the storage structure, as the first table uses significantly less memory than a comprehensive single table while still enabling complete testing functionality through index-based access to the second table.
2Ease of operation
If a single comprehensive table is used to store all testing parameters, then data access is straightforward, but the device complexity and costs increase
Solution Approach 1:
The configuration table is segmented into two specialized tables with distinct functions. The first table handles scenario and antenna configuration mapping with index information, while the second table handles power values and data frame information. This segmentation, combined with index-based access, maintains ease of operation while reducing overall structural complexity and associated costs.
Solution Approach 2:
The index information acts as an intermediary between the first table (scenario and configuration identifiers) and the second table (power values and data frame information). This intermediary enables efficient data access across the two tables without requiring a complex single-table structure, thereby simplifying the overall system while maintaining operational ease.
Data Source
AI summary
A method for testing at least one transmitting antenna of a vehicle, in particular a motor vehicle, using a test computer and an electronic key.