Mobile Network Cell Weight Factor Calculation

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Solution Overview

Problem

Existing mobile network design and optimization methods fail to effectively account for the interdependencies between cells, leading to suboptimal network performance due to lack of precise calculation of weight factors that consider both distance and antenna direction between base stations.

Innovation Solution

A method to determine a weight factor between cells by calculating a distance factor and an angle factor, using an exponential function with coefficients to weigh the distance and antenna direction, allowing for the optimization of network parameters by processing cells in pairs and prioritizing them based on calculated weight factors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing mobile network design methods are used, then network design can be performed, but network performance is suboptimal due to failure to account for interdependencies between cells

Engineering Contradiction:
Improvenetwork performanceVSAvoidinterdependencies between cells
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The method segments the network analysis into cell pairs, calculating weight factors for each pair individually. This segmentation allows precise accounting of interdependencies between specific cells while maintaining overall network performance optimization.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention introduces new parameters (weight factors, distance factors, angle factors) to quantify cell interdependencies. By changing the parameter set used in network design, the method captures previously unaccounted relationships between cells, improving reliability.

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If weight factors are calculated considering both distance and antenna direction, then network optimization precision is improved, but calculation complexity increases

Engineering Contradiction:
Improveweight factor calculation precisionVSAvoidcalculation complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The method applies local quality by calculating distance factors and angle factors specifically for each cell pair's geometric relationship. This localized approach improves precision for each pair without requiring complex global recalculations, balancing accuracy with computational feasibility.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The invention adds a new dimension to weight factor calculation by incorporating antenna direction (angle factor) alongside distance. This dimensional expansion from scalar distance to vector-based distance-angle pairs improves measurement precision while using systematic mathematical approaches to manage complexity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Manufacturing precision

If cells are processed in pairs with exponential function calculations, then network parameter determination accuracy is improved, but processing time increases

Engineering Contradiction:
Improvenetwork parameter determination accuracyVSAvoidprocessing time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The method performs preliminary calculations of distance factors and angle factors for all cell pairs before final weight factor determination. This preliminary action organizes the computational work in advance, improving accuracy through systematic processing while enabling efficient reuse of intermediate results.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The invention uses exponential functions as mathematical models (copies of real-world signal propagation behavior) to determine weight factors. These functional copies allow accurate parameter determination through computation rather than time-consuming measurements, balancing accuracy with processing efficiency.

Inventive Principle:
Principle #26Copying

Data Source

PatentEP3542564B1Method and apparatus for mobile network designing
Publication Date: 2021.07.28 ELISA OYJ
  • EP3542564B1 patent drawingFigure 1~2
  • EP3542564B1 patent drawingFigure 3a~3d
  • EP3542564B1 patent drawingFigure 4

AI summary

A method for a mobile network, which mobile network is formed of cells. The method comprises determining (201) a weight factor between two cells of the mobile network, which determination of the weight factor comprises calculating (211) a distance factor between the cells, calculating (212) an angle factor between the cells, and calculating (213) the weight factor between the cells with an exponential function of the distance factor and the angle factor. The weight factors between the cells may be used (202) for determining network parameters of a mobile network.