Telefónica and Telesat complete LEO satellite test

Telefónica and Telesat complete LEO satellite test

05 June 2020 | Natalie Bannerman


Telesat and Telefónica International Wholesale Services have announced the completion of live in-orbit testing across a wide range of applications on Telesat’s Low Earth Orbit (LEO) Phase 1 satellite.

The partnership came together with the goal of improving agility and operational efficiencies, and the two carried out a rigorous testing campaign to explore the feasibility of using LEO satellites for high-end services.

“As we plan, design and build our offerings to provide best-in-class connectivity for our customers, we are eager to explore how cutting-edge technologies like Telesat LEO can integrate with our global connectivity infrastructure,” said Gustavo Arditti, satellite business unit director at TIWS.

“Across every application tested, Telesat LEO delivered an outstanding performance, with significant improvements over what we can achieve via GEO satellites today.”

The testing showed that Telesat LEO satellites could be used for wireless backhaul and is significantly better in performance over geostationary orbit (GEO) links.

This is without the use of compression or TCP acceleration techniques that are typically required in 650ms latency GEO environments.

“The ability to demonstrate fibre-like performance via satellite across a number of applications that perform poorly on GEO satellite backhaul is a testament to the capabilities of our Telesat LEO network,” added Erwin Hudson, vice president of Telesat LEO.

“With its high-throughput links, ultra-low latency, and disruptive economics, Telesat LEO offers an unparalleled value proposition to expand the reach of 4G and 5G networks.”

The applications tested on Telesat LEO resulted experienced a round trip latency of 30-60ms without any packet loss. 

The specific test scenarios included: High definition video streaming, without interruption; a video conference with team which showed a user experience matching terrestrial and cellular connections; A remote desktop connection; a VPN connection without any delay or outages; FTP encrypted file transfers of 2GB in both directions; and IPSec tunnel encryption with no reduction in the performance of the link.