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Specification

CIMS E&S staff acted as the technical secretary and editor for the following Minimum Operational Performance Specifications (MOPS) which are produced in working groups of the EUROCAE.

EUROCAE Minimum Operational Performance Specification for Secondary Surveillance Radar Mode S Transponders (ED-73A)
EUROCAE Minimum Operational Performance Specification for Mode S Aircraft Data Link Processors (ED-82A)
EUROCAE Equipment Characteristics for Mode S Transponders with extended Interface Functions, Mark 4 Transponder (ED-86)
EUROCAE Minimum Operational Performance Specification for Mode S Specific Service Applications Dataflash (ED-101)

This work involved monitoring and understanding the related ICAO Standards and Recommended Practices (SARPs), so giving CIMS Engineering & Systems GmbH an in-depth knowledge of the Avionics Standards for communication.

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The focus of the activities of CIMS Engineering & Systems GmbH lies wherever leading edge communications, and navigation technologies are utilised in real-world applications.

Areas of particular focus include:

Aerospace
Air Traffic Control
Ship Navigation and Surveillance
Test and Experiments
Hard- & Software Development

In order to secure access to innovative state of the art know-how and technology CIMS ES GmbH cooperates with leading academic institutions.

Management Consulting

Feasibility Studies
Technical Evaluations
Integration Planning & Testing

Engineering Services

Systems Engineering
Technical Concepts
Technical Specifications
Trials and Evaluations
Trouble Shooting
Integrated Customer/Supplier Teams

Electronics & Software
Development

Test Facilities
Data Analysis and Decoding Tools
Customer specific Developments
Radar Signal Recording Equipment
AIS Data Monitoring
ATC Transponder Testsoftware

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Performance Test Campaigns

CIMS Engineering & Systmes GmbH offers the development of dedicated testequipment.
A few examples are listed below

Within the scope of a contract with DFS Deutsche Flugsicherung GmbH we recently performed a comparative performance analysis of the sub-networks that are being developed in support of the Aeronautical Telecommunication Network ATN.

These are the Mode S Subnetwork, the Aeronautical Mobile Satellite Service AMSS and VDL Data Link Modes 2 and 4. Our responsibilities included concept definition, the specification and development of the required test- tools, the development of test scripts and the evaluation of test result data.

At the time that the test campaign was initiated the sub-networks had been functionally verified in great detail. However knowledge of their operational performance was insufficient and it was our task to create a test campaign that provided the missing information.

An essential element of the test campaign was the development of the Data Link Processing Analyser.

This tool facilitated the measurement of the parameters of each data link in a uniform manner, so providing truly comparable test results. The test result data obtained in a combination of laboratory and flight trials was analysed using our purpose-built software tools and summarised graphically. In this way we made a significant contribution to our customer's assessment report.

In the course of this contract we contributed our expertise in the performance testing of data links.

At the same time we obtained an in-depth knowledge of the properties of the data links themselves.

Specification

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