Geo-location Accuracy via Cellular Wi-Fi Data Correlation

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Solution Overview

Problem

Traditional geo-location determination techniques for User Equipment, such as 3GPP location-based services and cellular or Wi-Fi specific methods, face issues with accuracy and increased battery drain, necessitating an improved approach for simultaneous communication with both Cellular and Wi-Fi networks.

Innovation Solution

A system and method that correlates Cellular and Wi-Fi network measurement data using geo-location determination algorithms like triangulation and Radio Frequency fingerprinting, utilizing subscriber identifiers like IMSI and MAC addresses, to determine the geo-location of User Equipment without requiring a software agent on the device, thereby enhancing accuracy and reducing battery consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If traditional geo-location determination techniques (3GPP location-based service, cellular or Wi-Fi specific methods) are used, then the geo-location can be determined, but the accuracy is insufficient and battery drain increases

Engineering Contradiction:

Improvegeo-location accuracyVSAvoidbattery drain

Core Design Contradiction:

Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The patent combines cellular network measurement data and Wi-Fi network measurement data into a unified geo-location determination system. By merging data from both networks and applying correlation techniques, the system achieves higher accuracy (sub-10 meter precision) while reducing battery consumption compared to using either network independently.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The geo-location determination system is designed to work universally across both cellular and Wi-Fi networks simultaneously. The system can process measurement data from either or both networks depending on availability, providing a multi-functional solution that adapts to different network conditions while maintaining accuracy and energy efficiency.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Measurement precision

If traditional geo-location techniques are used, then the determination can be made, but the accuracy of the determined geo-location is compromised

Engineering Contradiction:

Improvegeo-location accuracyVSAvoiddetermination reliability

Core Design Contradiction:

Measurement precisionVSReliability

Solution Approach 1:

The system employs correlation techniques that compare cellular and Wi-Fi measurement data to validate and refine geo-location estimates. This feedback mechanism ensures that the determined location is reliable by cross-verifying data from multiple sources, achieving both high accuracy and determination reliability simultaneously.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The patent creates a composite measurement approach by combining cellular network data and Wi-Fi network data into a unified geo-location determination. This composite method leverages the strengths of both networks, producing more reliable and accurate results than either network could achieve alone.

Inventive Principle:

Principle #40Composite materials

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach achieves sub-10 meter geo-location accuracy in areas with overlapping cellular and Wi-Fi coverage, reducing battery drain and enabling more precise network planning, customer care, and quality of experience analytics, while supporting Self-Organizing Network optimization and tiered location-based services.

Implementation Method 1

utilizing at least one geo-location determination algorithm and/or method, including and not limited to triangulation and correlation to Radio Frequency fingerprint

Methodology Applied

Scientific EffectTriangulation:

Implementation Method 2

utilizing at least one geo-location determination algorithm and/or method, including and not limited to triangulation and correlation to Radio Frequency fingerprint

Methodology Applied

Scientific EffectRadio Frequency fingerprinting:

Data Source

PatentUS9615206B1System, method, and computer program for determining geo-location of user equipment for a subscriber that is in simultaneous communication with a cellular network and a Wi-Fi network

Publication Date: 2017.04.04 AMDOCS DEV LTD

AI summary

A system, method, and computer program product are provided for determining geo-location of one or multiple User Equipment, that belong to the same subscriber subscription, that collectively are in simultaneous communication with a Cellular network and a Wi-Fi network. In use, it is determined that a subscriber utilizing at least one User Equipment is in simultaneous communication with at least one Cellular network and at least one Wi-Fi network. Cellular network measurement data associated with the at least one User Equipment is received. Additionally, Wi-Fi network measurement data associated with the at least one User Equipment is received. Further, the Cellular network measurement data and the Wi-Fi network measurement data are correlated to generate correlated measurement data associated with the at least one User Equipment. Moreover, the correlated measurement data is utilized to determine the geo-location of the at least one User Equipment, utilizing at least one geo-location determination algorithm and/or method, including and not limited to triangulation and correlation to Radio Frequency fingerprint.