Integrity Distribution Group Reporting for Positioning Accuracy
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Solution Overview
Problem
Existing mobile communication systems face challenges in efficiently managing positioning integrity measurement error distribution, leading to increased overhead, power consumption, and complexity in reporting and calculating positioning accuracy.
Innovation Solution
Implementing integrity distribution groups (IDGs) and associated distribution parameters to reduce reporting overhead and complexity by grouping error sources into a single distribution, allowing devices to select and report an appropriate IDG based on measurements, with the network calculating integrity parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If detailed positioning measurement error data is reported individually, then positioning integrity accuracy is improved, but reporting overhead and power consumption increase
Solution Approach 1:
The patent combines multiple individual error source measurements into a single aggregated error distribution report. Instead of reporting each error source separately, the system merges them into one comprehensive distribution that represents the overall positioning integrity, thereby reducing reporting overhead while maintaining accuracy.
Solution Approach 2:
The patent segments error sources into distinct categories (e.g., satellite clock errors, ephemeris errors, ionospheric delays) and assigns each segment a specific distribution type. This segmentation allows the system to report only the essential distribution characteristics for each category rather than raw individual measurements, reducing overall reporting volume.
2Reliability
If multiple error sources are tracked and reported separately, then positioning integrity is improved, but device complexity increases
Solution Approach 1:
The patent transforms detailed error source data into simplified distribution parameters (mean, standard deviation, distribution type). By changing the representation from raw measurements to standardized statistical parameters, the system maintains positioning integrity while significantly reducing the complexity of reporting and processing.
Solution Approach 2:
The patent extracts only the essential characteristics of error distributions (mean, standard deviation, and distribution type) while discarding redundant detailed measurements. This extraction process maintains the critical information needed for positioning integrity while eliminating unnecessary complexity in data reporting and handling.
3Measurement precision
If comprehensive error distribution data is transmitted, then positioning accuracy is improved, but power consumption increases
Solution Approach 1:
The patent applies partial action by reporting only the essential distribution parameters (mean, standard deviation, type) rather than transmitting complete detailed error data. This partial reporting approach maintains positioning accuracy while reducing the computational and energy resources required for data processing and transmission.
Data Source
AI summary
Reporting integrity measurement error distribution groups is provided. An apparatus may include at least one processor, and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to communicate, with a network device, information that may include one or more integrity distribution groups (IDGs) and corresponding distribution parameters. The apparatus may further perform positioning measurements for positioning integrity and determine one of the one or more IDGs based on at least one of the positioning measurements. A report is transmitted to the network device that may include at least one of the positioning measurements or an identifier of the determined IDG.