The Derivation of the Equations and Algorithm Used to Track Communications Platform Locations in the Deployment Module of the Network Connectivity Analysis Module (NCAM) Software

Report No. ARL-TR-5217
Authors: G. Welles Still
Date/Pages: June 2010; 82 pages
Abstract: The Network Connectivity Analysis Model (NCAM) software predicts the viability of links between moving communications nodes. The deployment model tracks the position of the moving nodes as a function of time by having the user outline the platform paths with waypoints and defines the time the platform leaves and arrives at each waypoint. It then interpolates the position of the waypoint at strategically chosen snapshot times. For verification purposes, the derivations of the equations the deployment module uses to do the interpolations are presented. The velocity profile assumed was trapezoidal in shape. This shape modeled the velocity closely enough so that platform motion was realistic, yet the input required from the user was limited and the equations describing the motion were manageable. The results were consistent with the assumed velocity profile. NCAM is being developed jointly by the Missile Defense Branch at Aberdeen Proving Ground, MD, and the Communications Electronic Warfare Branch at Fort Monmouth, NJ, of the U.S. Army Research Laboratory's Survivability/Lethality Analysis Directorate.
Distribution: Approved for public release
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Last Update / Reviewed: June 1, 2010