Satellite Antenna Installation Position Estimation Using 3D Spatial Simulation

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Solution Overview

Problem

Conventional satellite signal reception characteristic estimation methods struggle to accurately account for peripheral obstacles and real-time environmental changes, leading to inefficiencies and errors in satellite antenna installation.

Innovation Solution

A satellite signal reception characteristic estimation apparatus and method that collects spatial information from the peripheral environment using an omnidirectional-imaging camera and 3D data, simulating satellite signal reception characteristics to determine optimal installation positions quickly and accurately.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional trial-and-error monitoring methods are used to determine satellite antenna installation positions, then installation accuracy can be confirmed through actual signal reception, but installation time and work costs increase significantly

Engineering Contradiction:

Improveinstallation position accuracyVSAvoidinstallation time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The patent performs preliminary simulation of satellite signal reception characteristics before actual antenna installation. The simulation unit calculates reception characteristics based on satellite orbital data and installation position information in advance, allowing the optimal installation position to be determined without trial-and-error monitoring, thus resolving the contradiction between installation accuracy and installation time

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent creates a virtual model of satellite signal propagation to replicate actual reception conditions. The simulation unit copies the physical signal propagation process through computational models, enabling accurate prediction of reception characteristics at different installation positions without requiring actual signal monitoring during the planning phase

Inventive Principle:

Principle #26Copying

2Productivity

If simple environmental condition checks are performed during installation, then installation process is quick and easy, but reception characteristic accuracy is insufficient

Engineering Contradiction:

Improveinstallation efficiencyVSAvoidreception characteristic estimation accuracy

Core Design Contradiction:

ProductivityVSMeasurement precision

Solution Approach 1:

The patent replaces manual environmental inspection and trial-and-error installation with an automated simulation system. The simulation unit computationally evaluates reception characteristics based on satellite orbital data and installation position information, substituting complex manual assessment processes with efficient computational analysis that provides both speed and accuracy

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Ease of manufacture

If provisional installation followed by monitoring is performed, then installation can be completed, but work efficiency decreases due to repeated repositioning

Engineering Contradiction:

Improveinstallation completionVSAvoidwork efficiency

Core Design Contradiction:

Ease of manufactureVSProductivity

Solution Approach 1:

The patent performs preliminary simulation analysis before actual installation to determine the optimal installation position in advance. By calculating reception characteristics for multiple candidate positions beforehand and selecting the optimal one, the system eliminates the need for provisional installation and subsequent repositioning, thereby improving work efficiency while ensuring installation completion

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS10520605B2Satellite signal reception characteristic estimation apparatus, method thereof, and program thereof

Publication Date: 2019.12.31 NIPPON TELEGRAPH & TELEPHONE CORP

AI summary

A satellite signal reception characteristic estimation apparatus includes a satellite orbital information collection unit that collects and outputs orbital information for a satellite; a peripheral environment spatial information collection unit that collects spatial information for a peripheral environment of an installation position of a satellite antenna; a positional information collection unit that collects and outputs positional information for the installation position of the satellite antenna; and a simulation server unit that estimates reception characteristics of satellite signals at the installation position of the satellite antenna by performing a simulation based on the orbital information, the spatial information, and the positional information outputted from the satellite orbital information collection unit, the peripheral environment spatial information collection unit, and the positional information collection unit.