Inertial Labs, a VIAVI Solutions company has announced IRINS, a low Earth orbit (LEO)-aided inertial navigation system (INS) designed to allow full operation across land, air and sea in denied, degraded and disrupted space operating environments (D3SOE).

The IRINS embedded system has been developed to counter the exponentially rising number of spoofing and jamming attacks that have affected military and critical infrastructure. Now, resilient LEO-based positioning, navigation, and timing and inertial navigation are available within a fully integrated system from a single vendor.

The system combines an INS, an attitude and heading reference system and the global navigation satellite system (GNSS0-independent STL-2600 LEO Iridium receiver module. These capabilities enable the system to not only calculate altitude, position, velocity and time data, but also minimise bias from causing drift. To help detect and eliminate attack signals, the device additionally integrates a GNSS receiver with a controlled reception pattern antenna port.

Commenting on the launch, vice president, Inertial Labs Products, VIAVI, said, “The IRINS is the first fruit borne of VIAVI’s visionary strategy to mitigate vulnerabilities in positioning, navigation and timing, bringing together resilient satellite-based timing with tactical-grade IMUs to deliver the most precise PNT for GNSS-denied environments. By tightly coupling inertial sensing, LEO-based timing and navigation and anti-jam GNSS technologies into a single platform, the IRINS provides unmatched continuity, accuracy and trust for operations in contested and denied environments.”

Meanwhile, director, government PNT Business, Iridium, said, “Assured access to PNT is critical for operations in contested environments. Integrating Iridium PNT alongside VIAVI’s INS and AHRS provides users with an exceptionally resilient source of time and location data to maintain operational effectiveness when GNSS signals are disrupted.”