Gilat proves electronically controllable antenna on the Inmarsat GX

Israel-based communications specialist Gilat has successfully completed a demonstration of its electronically steerable antenna (ESA) via the world’s leading network Inmarsat GX. The open architecture ESA was competently integrated into Inmarsat’s G-MODMAN solution, which proves that the antenna is ready for use as an economically viable solution.

Gilats ESA has proven itself in the world’s largest IFC network. Photo: Gilat

Gilat’s ESA demonstrates compatibility with Inmarsat’s GX network

It has been almost a year since Gilat Satellite Networks made an industry first with the successful testing of its Electronically Steerable Antenna (ESA) via NGSO satellites. The company has demonstrated that its product is high performing and enables instant switchovers in the Ka-band network of Telesat’s Phase 1 LEO satellite and GEO’s Anik-F3 satellite.

Now the company has successfully demonstrated the capabilities of its antenna with another major provider – the Inmarsat GX network. The company announced that its ESA has been integrated with Inmarsat’s G-MODMAN solution to successfully conduct a live demonstration of the terminal on an operational GX satellite.

Recalling the importance of the demonstration, Roni Stoleru, Vice President, Antenna Products and Strategy at Gilat, said:

“We are very excited to be working with Inmarsat, another industry premiere that will demonstrate our proven ESA technology in its global Xpress constellation. The integration of Gilat’s ESA into Inmarsat’s G-MODMAN further underscores Gilat’s leadership and readiness for commercial use. “

Photo: Gilat

Take the test

The test was conducted using an Inmarsat-5 F1 satellite at 62.6 degrees east. The ESA automatically logged on to the GX network and was found to be able to ensure real-time bidirectional communication in both fixed and dynamic positioning modes.

The test involved performing beam steering at changing elevation and tilt angles. Connectivity was maintained while the power spectral density (PSD) threshold was managed to minimize interference from neighboring satellites.

ESAs are widely recognized as the answer to future in-flight connectivity challenges as more MEO and LEO satellite constellations come online. With another successful test, Gilat shows that its ESA solution is ready to meet the needs of commercial airlines and their passengers.

Inmarsat’s GX network was built from the ground up for in-flight connectivity. Photo: Inmarsat

Commenting on the demonstration, Jerome Soumagne, chief engineer of VP Networks at Inmarsat, said:

“We are pleased with the successful demonstration of Gilat’s ESA technology operating through Inmarsat’s Global Xpress network. The seamless integration of our G-MODMAN into Gilat’s antenna control system via open standard interfaces is an important factor in demonstrating the ability to support Electronic Steered Array technology in Inmarsat’s global satellite network. “

Inmarsat’s GX network is the world’s leading aeronautical satellite network designed from the ground up for in-flight connectivity. It was recently named the world’s leading in-flight internet service provider for the fourth year in a row at the 2020 World Travel Awards. With Gilat’s ESA able to operate on the network, the future of connectivity has never looked so bright.

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