Rohde & Schwarz
Rohde & Schwarz expands testing equipment portfolio to support Telesat Lightspeed network optimization

Testing Solutions Support Telesat Lightspeed Network Optimization

April 16, 2025
Rohde & Schwarz's testing equipment portfolio is playing a role in the progression of the latest satellite development.

To assist in optimizing the performance of next-generation low-Earth-orbit (LEO) satellite networks, Rohde & Schwarz announced enhanced measurement options across its testing equipment portfolio.

Telesat is one of the companies leveraging Rohde & Schwarz’s advanced testing equipment to optimize the service link design of its Telesat Lightspeed LEO network. It provides ubiquitous, affordable, high-capacity links at fiber-like speeds. Global service is anticipated by the end of 2027.

The R&S SMW signal generator and R&S FSW signal analyzer are used to qualify and verify new RF chipsets and satellite modems across multiple vendors, testing receiver chipsets while providing comprehensive evaluation and verification of modem performance for multiple waveforms, notably DVB-S2X and DVB-RCS2.

The collaboration brought about product enhancements to support testing the advanced capabilities of the Telesat Lightspeed network, including Beam Hopping and Superframe, as well as the DVB-RCS2 with return channels that are larger than what's previously been available.

The enhanced functionalities developed by Rohde & Schwarz assist not only in the development and testing of Telesat Lightspeed satellites’ onboard processors, but also serve the broader Telesat ecosystem. They also enable Telesat to build automated development and test environments to support 24/7 availability for onsite and remote testing.

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About the Author

Alix Paultre | Editor-at-Large, Microwaves & RF

Alix is Editor-at-Large for Microwaves & RF

An Army veteran, Alix Paultre was a signals intelligence soldier on the East/West German border in the early ‘80s, and eventually wound up helping launch and run a publication on consumer electronics for the U.S. military stationed in Europe. Alix first began in this industry in 1998 at Electronic Products magazine, and since then has worked for a variety of publications, most recently as Editor-in-Chief of Power Systems Design.

Alix currently lives in Wiesbaden, Germany.

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