2008

DSN Array Simulator

The DSN Array Simulator (wherein “DSN” signifies NASA’s Deep Space Network) is an updated version of software previously denoted the DSN Receive Array Technology Assessment Simulation. This software (see figure) is used for computational modeling of a proposed DSN facility comprising userdefined arrays of antennas and transmitting and receiving equipment for microwave communication with spacecraft on interplanetary missions. The simulation includes variations in spacecraft tracked and communication demand changes for up to several decades of future operation. Such modeling is performed to estimate facility performance, evaluate requirements that govern facility design, and evaluate proposed improvements in hardware and/or software.

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DSN Array Simulator Overview
The updated version of this software affords enhanced capability for characterizing facility performance against user-defined mission sets. The software includes a Monte Carlo simulation component that enables rapid generation of key mission-set metrics (e.g., numbers of links, data rates, and date volumes), and statistical distributions thereof as functions of time. The updated version also offers expanded capability for mixedasset network modeling — for example, for running scenarios that involve userdefinable mixtures of antennas having different diameters (in contradistinc - tion to a fixed number of antennas having the same fixed diameter). The im - proved version also affords greater simulation fidelity, sufficient for validation by comparison with actual DSN operations and analytically predictable performance metrics.

This program was written by Raffi Tikidjian and Ryan Mackey of Caltech for NASA’s Jet Propulsion Laboratory.

This software is available for commercial licensing. Please contact Karina Edmonds of the California Institute of Technology at (626) 395-2322. Refer to NPO-44506.

This Brief includes a Technical Support Package (TSP).

DSN Array Simulator (reference NPO-44506) is currently available for download from the TSP library.

Please Login at the top of the page to download.

 

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