Military Embedded Systems

INTEGRITY-178 software selected for GPS modernization


February 27, 2020

Emma Helfrich

Technology Editor

Military Embedded Systems

Photo courtesy of the U.S. Air Force.

SANTA BARBARA, Calif. Green Hills Software, embedded safety and security company, announced that its INTEGRITY-178 Time-Variant Unified Multi-Processing (tuMP) RTOS running on a quad-core ARM Cortex-A53 CPU has been selected by Northrop Grumman Corporation for the Embedded Global Positioning System (GPS)/Inertial Navigation System (INS)-Modernization (EGI-M) program.

According to the company, key factors in the selection of INTEGRITY-178 tuMP include its ability to run a DAL-A partition across multiple A53 cores, its built-in DAL-A functionality and tools for mitigating multicore interference per CAST-32A, and its certified conformance to the FACE 3.0 Technical Standard, including all the multicore requirements.

EGI-M is based upon a modular, open-systems architecture and supports rapid insertion of new capabilities to enable accurate and reliable positioning, navigation, and timing (PNT) information, even in GPS-denied conditions.

EGI-M incorporates a military code (M-code) GPS receiver that adds robustness to interference of GPS signals. The lead platforms for EGI-M are Northrop's E-2D Hawkeye and Lockheed Martin's F-22 Raptor, but it is designed to be scalable to any manned platform and larger unmanned vehicles.



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Green Hills Software, Inc.

30 West Sola Street
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Avionics - Software
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