Complexity
From EUROCONTROL ATM Lexicon
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Abbreviation
Definition
The number of simultaneous or near- simultaneous interactions of trajectories in a given volume of airspace.
Definition Source
SESAR Concept of Operations Step 2 Edition 2014 (Ed. 01.01.00)
Note
Given complexity definition refers to ATM context.
For automation, complexity is relevant only in terms of calculation effort, not the ability to solve a given set of problems. Beyond a certain level of complexity, humans can no longer oversee all the consequences of the interactions and automation support is required if traffic is to be handled safely and efficiently. See also Density.
Lexicon Release
Lexicon Release 2015.1
