Multi-Stage Communication Prediction for Timely HAPS Movement

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Solution Overview

Problem

The prediction of future communication status in a communication system requires complex computations, leading to delays in determining the necessity of moving high altitude platform stations (HAPS) and resulting in potential communication disruptions.

Innovation Solution

A communication control system that includes a predicting means for making predictions of future communication status in multiple stages and a controlling means for timely determining and controlling the movement of air vehicles based on these predictions, using a combination of ground and non-terrestrial network base stations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If complex computation is performed to predict future communication status, then prediction accuracy is improved, but prediction time increases causing delays in determining HAPS movement necessity

Engineering Contradiction:
Improveprediction accuracyVSAvoidprediction time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The prediction process is divided into multiple stages: first prediction (coarse prediction) and second prediction (fine prediction). The first prediction uses simplified conditions to quickly determine whether HAPS movement is necessary, while the second prediction provides more accurate results only when needed. This segmentation reduces overall prediction time while maintaining necessary accuracy for decision-making.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system performs only the necessary level of prediction detail for each decision context. The first prediction provides sufficient information for most movement decisions without requiring the full computational overhead of a complete accurate prediction. This partial action approach prevents unnecessary computation while ensuring adequate prediction quality for timely decisions.

Inventive Principle:
Principle #16Partial or excessive action

2Speed

If timely prediction results are acquired to enable early HAPS movement determination, then communication continuity is improved, but computation speed must be increased

Engineering Contradiction:
Improveprediction speedVSAvoidcommunication continuity
Core Design Contradiction:
SpeedVSReliability

Solution Approach 1:

The first prediction is performed in advance to preliminarily determine whether HAPS movement is necessary. This preliminary action allows the system to prepare for potential communication issues before they occur, enabling timely movement decisions while using computationally efficient methods appropriate for the preliminary assessment timeframe.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12610341B2Communication control system, communication system control method, and recording medium
Publication Date: 2026.04.21 NEC CORP
  • US12610341B2 patent drawing
  • US12610341B2 patent drawing
  • US12610341B2 patent drawing

AI summary

A communication control system includes at least one processor, and the at least one processor carries out: a predicting process of making predictions of a future status of communication of a communication system in a plurality of stages; and a controlling process of performing control of the communication system, the control being based on a result of a prediction in each of the plurality of stages, and in the controlling process, the at least one processor determines, in accordance with the result of the prediction in one of the plurality of stages, whether it is necessary to move the air vehicle and controls the air vehicle.