Wireless Throughput Estimation via Layer Parameter Mapping

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Solution Overview

Problem

Evaluating wireless communication throughput under a new standard is costly and complex, especially when external interference and packet collisions are involved, making it difficult to perform area design without expensive equipment.

Innovation Solution

A method that calculates wireless communication characteristics under a new standard using data from a current standard, by measuring or calculating throughput and layer parameters, and applying these to estimate throughput for the new standard through simple arithmetic calculations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If computer simulation is used to evaluate throughput under a new communication standard, then measurement precision is improved, but device complexity and cost increase

Engineering Contradiction:

Improvethroughput evaluation accuracyVSAvoidsimulation system complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent creates a simplified copy of the throughput calculation model that can be manually computed using spreadsheet software. This copy replicates the essential throughput calculation logic without requiring complex computer simulation systems, thereby maintaining measurement precision while reducing device complexity and cost.

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The patent replaces the mechanical computer simulation system with a mathematical calculation model that can be executed manually or through simple software. This substitution eliminates the need for expensive simulation hardware while maintaining the ability to evaluate throughput under new communication standards.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If expensive wireless LAN equipment under a new communication standard is prepared for area design, then measurement precision is improved, but loss of substance (cost) increases

Engineering Contradiction:

Improvethroughput measurement accuracyVSAvoidequipment cost

Core Design Contradiction:

Measurement precisionVSLoss of substance

Solution Approach 1:

The patent creates a cost-free copy of the throughput evaluation capability by using manual calculation models and spreadsheet software. This copy allows area design to be performed without purchasing expensive wireless LAN equipment under new communication standards, thereby maintaining measurement precision while eliminating the loss of substance.

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The patent employs inexpensive, easily obtainable tools such as spreadsheet software and manual calculation methods instead of expensive equipment. These disposable-like tools can be readily discarded or replaced without significant cost, allowing frequent updates as communication standards evolve without financial burden.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Ease of operation

If simple arithmetic calculation is used to estimate throughput, then ease of operation is improved, but measurement precision deteriorates

Engineering Contradiction:

Improvecalculation simplicityVSAvoidthroughput calculation accuracy

Core Design Contradiction:

Ease of operationVSMeasurement precision

Solution Approach 1:

The patent adjusts the parameters and calculation models to accurately reflect real-world wireless communication conditions, including external interference and packet collision effects. By incorporating these factors as variables in the calculation model, the patent maintains ease of operation through simple arithmetic while improving measurement precision to match actual throughput performance.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS12041462B2Wireless communication characteristic evaluation method

Publication Date: 2024.07.16 NIPPON TELEGRAPH & TELEPHONE CORP

AI summary

There are provided a step 1 of, at a measurement point where a throughput of a wireless communication terminal under a new communication standard is to be acquired, measuring or calculating a wireless communication characteristic (throughput) of a wireless communication terminal under a current communication standard; a step 2 of acquiring parameters of a physical layer and a MAC layer at the time of measuring or calculating the wireless communication characteristic of the wireless communication terminal under the current communication standard; and a step 3 of, with the wireless communication characteristic (throughput) measured or calculated for the wireless communication terminal under the current communication standard and the parameters of the physical layer and the MAC layer at that time as inputs, calculating a wireless communication characteristic (throughput) corresponding to parameters of the wireless communication terminal under the new communication standard.