Stationary Radio Relay Station Measurement Device

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Solution Overview

Problem

Current methods lack the capability to precisely measure mobile radio relay stations under defined conditions, making it difficult to assess their suitability and performance accurately.

Innovation Solution

A measuring device comprising a first measuring device and a receiving device that generates and sends a signal to the relay station, with fading and noise added to simulate realistic transmission channels, allowing for precise comparison and measurement of signal quality and data throughput.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If relay stations are measured in field conditions, then measurement realism is improved, but measurement precision and controllability deteriorate

Engineering Contradiction:
Improvemeasurement realismVSAvoidmeasurement controllability
Core Design Contradiction:
ReliabilityVSMeasurement precision

Solution Approach 1:

The patent introduces a fading device as an intermediary component between the measuring device and the relay station. This fading device simulates real-world transmission channel conditions (fading, noise, multipath propagation) while maintaining a controlled laboratory environment. The fading device mediates between the need for realistic field conditions and the need for precise, controllable measurements by providing programmable channel simulations.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent creates a simplified copy of real transmission channel conditions using the fading device. Instead of measuring relay stations in actual field conditions, the system copies essential channel characteristics (fading profiles, noise levels, multipath effects) in a controlled laboratory setting. This allows precise measurement while maintaining measurement realism through accurate channel condition replication.

Inventive Principle:
Principle #26Copying

2Device complexity

If simple signal transmission is used, then measurement setup is simplified, but measurement accuracy deteriorates

Engineering Contradiction:
Improvemeasurement setup simplicityVSAvoidsignal quality assessment accuracy
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The patent applies preliminary action by pre-configuring the fading device with specific fading profiles, noise levels, and channel characteristics before conducting measurements. The first measuring device generates test signals with known characteristics, and the fading device pre-applies simulated channel effects. This preliminary preparation ensures that measurements are conducted under controlled, realistic conditions without complicating the overall measurement setup.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If control information is transmitted via relay station, then communication completeness is improved, but measurement purity deteriorates

Engineering Contradiction:
Improvecommunication completenessVSAvoiduser data transmission measurement purity
Core Design Contradiction:
Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The patent extracts the control information transmission function from the relay station measurement process. By separating control plane and user plane traffic, the measurement system can focus exclusively on measuring user data transmission performance through the relay station. Control information is handled separately, allowing pure measurement of user data metrics without contamination from control signaling variations.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentEP2497291B1Measuring device and measuring method for measuring mobile radio relay stations in a stationary manner
Publication Date: 2016.03.16 ROHDE & SCHWARZ GMBH & CO KG
  • EP2497291B1 patent drawingFigure 1~2
  • EP2497291B1 patent drawingFigure 3~4
  • EP2497291B1 patent drawingFigure 5

AI summary

The invention relates to a measuring device for measuring mobile radio relay stations (21), comprising at least one first measuring apparatus (20) and a receiver (22). The first measuring apparatus (20) produces a first signal and sends the first signal either directly or by means of at least one further apparatus to a relay station (21) to be measured. The receiver (22) receives a second signal derived from the first signal from the relay station (21) to be measured. The first measuring apparatus (20) compares the first signal and at least one signal derived from the second signal.