The Conceptual-Level Design Approach to Complex Systems

Authors:
David B. Lidsky;Jan M. Rabaey
Affiliations:
University of California, Berkeley, Berkeley, CA 94720;University of California, Berkeley, Berkeley, CA 94720
Venue:
Journal of VLSI Signal Processing Systems - Special issue on systematic trade-off analysis in signal processing systems design
Year:
1998

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Abstract

The increasing complexity and heterogeneity of current-day systems makes early design trade-offs and analysis a necessity.Typically such exploration is performed at a time thatspecifications are incomplete or ill-defined, and no behavioral orstructural descriptions have been formulated. The only informationavailable are properties of the system and its components, such asabstract functionality, complexity, constraints and cost functions.In present design practice, this level of abstraction, henceforth called the conceptual-level, is addressed in an ad-hoc fashion without much support from tools or without utilizing existing data and models.This paper proposes a methodology and framework to support conceptual-level design. It consists of a distributed data modeling environment combined with a set of appropriate user interfaces.