Tuesday, October 09, 2007

O-2875 requirements

I'm a bit obsessed on Edward Tufte at the moment, specially the following quote:
"Clutter and confusion are failures of design, not attributes of information"

One prime example: GSM specifications. Essentially, the documents are verbal representations of information that would far better be expressed in a visual form.
I shall use the latest O-2875 spec which defines

Essentially, the whole convoluted document can be expressed in a couple of diagrams, diagrams which are essentially not too complicated.

I was suprised how little information is actually contained in the document when I finished with the first diagram. The whole document defines four measurements under different configurations, REC call, VGCS/VBS call origianted by Mobile, fixed line dispatcher and terminated to the same.

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