RF Modeling via 3D Environment Digital Twins
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Solution Overview
Problem
Existing approaches for designing and deploying wireless networks are complex, time-consuming, and expensive, requiring professional site surveys and iterative processes to achieve desired communication performance.
Innovation Solution
An electronic device equipped with sensors and computation capabilities that creates a 2D or 3D model of an environment, predicts radio-frequency characteristics, and designs a wireless network to achieve target communication-performance metrics, reducing the need for manual site surveys and domain expertise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If professional site surveys are conducted to design wireless networks, then communication performance can be verified, but the process becomes time-consuming and expensive
Solution Approach 1:
The patent creates a digital twin (virtual copy) of the physical environment that includes geometric layout, material properties, and radio-frequency characteristics. This virtual model allows simulation of wireless network performance without requiring physical site surveys, thereby maintaining verification reliability while eliminating time consumption.
Solution Approach 2:
The patent replaces the mechanical process of physical site surveys with computational modeling and simulation. Instead of manually measuring and verifying radio-frequency characteristics in the physical environment, the system uses computer-generated models to predict and verify communication performance, significantly reducing time while maintaining accuracy.
2Measurement precision
If professional surveyors are used to assess radio-frequency characteristics, then accurate measurements can be obtained, but cost increases
Solution Approach 1:
The patent creates a virtual replica (digital twin) of the environment that captures geometric layout, material properties, and radio-frequency characteristics. This virtual model enables accurate measurement and simulation of radio-frequency behavior without requiring expensive professional surveyors, thereby maintaining measurement precision while reducing cost.
Solution Approach 2:
The system performs self-service by automatically generating the digital twin and conducting simulations using integrated sensors and computational models. This eliminates the need for external professional surveyors and their associated costs, while maintaining the accuracy required for reliable wireless network design.
3Reliability
If iterative processes are used to adjust wireless network design, then communication performance can be optimized, but the design process becomes complex and time-consuming
Solution Approach 1:
The patent performs preliminary action by creating a comprehensive digital twin that includes geometric layout, material properties, and radio-frequency characteristics before the actual network design. This pre-built virtual model allows for rapid simulation and optimization without requiring iterative physical site surveys, thereby reducing design complexity while maintaining performance optimization.
Solution Approach 2:
The patent replaces iterative physical measurement and adjustment processes with computational simulation. The digital twin enables virtual testing and optimization of network designs, eliminating the need for repeated physical site surveys and manual adjustments, thereby reducing complexity while maintaining optimized communication performance.
4Loss of information
If 2D floor plans are used to represent environments, then basic layout information is available, but three-dimensional geometric layout and radio-frequency characteristics cannot be accurately determined
Solution Approach 1:
The patent transitions from two-dimensional floor plans to three-dimensional digital twins that capture the full geometric layout, material properties, and spatial relationships of the environment. This dimensional enhancement enables accurate determination of radio-frequency characteristics by modeling how electromagnetic waves interact with three-dimensional structures, thereby eliminating information loss and improving measurement precision.
Data Source
AI summary
During operation, an electronic device may perform measurements associated with an environment. Then, the electronic device may create a model that represents the environment, where the model specifies a two-dimensional (2D) or a three-dimensional (3D) geometric layout of the environment and/or estimated parameters associated with radio-frequency properties of at least a portion of the environment. Moreover, the electronic device may design a wireless network for use in the environment, where the designing includes determining radio-frequency characteristics in a band of frequencies associated with the wireless network based at least in part on the model, and the wireless network is predicted to achieve one or more target communication-performance metrics. Next, the electronic device may provide the design information associated with the design that specifies the wireless network, where the design information includes one or more wireless-network components and one or more locations of the wireless-network components in the environment.