Indoor RF Walk Testing with Automatic Point Capture
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Solution Overview
Problem
Traditional walk testing systems require manual selection of grid points for RF data capture, which is cumbersome, costly, and prone to human error, especially in large areas like offices and manufacturing sites.
Innovation Solution
An automated walk testing system that uses a mobile device app to automatically generate secondary points of interest based on user input coordinates, determining the number and coordinates of these points based on captured RF data samples and a predetermined minimum distance interval, reducing the need for manual pin-push operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual pin-push operation is used to select points of interest, then RF data can be captured at selected locations, but user burden increases and human error occurs
Solution Approach 1:
The system automatically generates points of interest along the walk test route without requiring manual user input. The mobile device autonomously determines where to capture RF data based on the defined start and end points, eliminating the need for users to manually push pins at each location while maintaining accurate data collection
Solution Approach 2:
The system pre-generates points of interest along the walk test route before the actual measurement begins. By calculating and marking all necessary measurement points in advance based on the route geometry and predetermined spacing, the system eliminates the need for real-time manual point selection during the walk test
2Reliability
If manual pin-push operation is used to select points of interest, then RF data capture can be performed, but the process becomes cumbersome and costly
Solution Approach 1:
The mobile device automatically performs the function of selecting and marking points of interest along the walk test route. The system calculates optimal measurement points based on the route geometry and predetermined spacing criteria, eliminating the need for manual user intervention while ensuring reliable RF data capture at appropriate locations
Solution Approach 2:
The system pre-calculates and marks all points of interest along the walk test route before the measurement begins. By determining the optimal number and locations of measurement points in advance based on route distance and spacing criteria, the system simplifies the operational process while maintaining measurement reliability
3Measurement precision
If a predetermined grid is used for walk testing, then measurement coverage can be ensured, but alignment to the area becomes difficult and time-consuming
Solution Approach 1:
The system replaces the static predetermined grid with dynamic point generation based on the actual walk test route. Points of interest are automatically generated along the specific path taken by the user, adapting to the actual measurement trajectory rather than requiring alignment to a fixed grid pattern, thereby eliminating time-consuming alignment procedures while maintaining comprehensive measurement coverage
4Measurement precision
If more grid points are used for large areas, then measurement accuracy improves, but the process becomes more difficult and time-consuming
Solution Approach 1:
The system pre-calculates the optimal number and distribution of points of interest along the walk test route based on the total distance and predetermined minimum spacing criteria. This automatic point generation ensures sufficient measurement accuracy for large areas while maintaining high productivity by eliminating the need for manual determination of numerous grid points
Solution Approach 2:
The system dynamically determines the number and location of measurement points based on the actual walk test route length and characteristics. Rather than using a fixed grid that requires many points for large areas, the system adaptively generates an appropriate number of points along the specific measurement path, maintaining accuracy while improving efficiency
Data Source
AI summary
An apparatus for performing walk testing of radio network performance is provided. The apparatus includes at least one processor configured to execute to instructions to: based on a first user input to a first location on an area map displayed by the application, determine first coordinates of the first location on the area map and capture Radio Frequency (RF) data of a start point of interest; automatically capture RF data of at least one secondary point of interest; based on a second user input to a second location on the displayed area map, determine second coordinates of the second location and capture RF data of a stop point of interest; determine a number and coordinates of secondary points of interest to be displayed based on a number of automatically captured RF data samples; and allocate the automatically captured RF data samples to the secondary points of interest to be displayed.