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OneWeb and SatixFy to launch digitech pathway payload

Posted 14 January 2020 · Add Comment

OneWeb and SatixFy UK have announced plans to add a digital technology pathway payload that will include a full digital payload into OneWeb's launch schedule in 2021.



Above:
A OneWeb Low Earth Orbiting Satellite.
Courtesy OneWeb


This new technology will pave the way for satellites with a higher level of flexibility to efficiently support peaks in demand without oversizing the constellation.

The digital-transparent payload will demonstrate full Beam Hopping capability in both Forward and Return Links. It will include an On-Board-Processing subsystem capable of running independent links on the User and Gateway links on the ground with different capacities. Electronically Steered Multi-Beam Antenna with True Time Delay beam-forming, capable of pointing and switching multiple beams to multiple directions simultaneously are an additional major feature.

This combination of features enables significantly higher throughput to designated areas within satellite coverage, while continuing to meet all national security concerns.

Active areas are dynamically allocated much higher capacity than areas that do not require as much bandwidth and are just being scanned to gauge demand.

The Beam hopping capability also enables seamless handover for mobile devices, between beams and satellites. An example would be an Aero terminal for In-Flight Connectivity, able to operate on both LEO and GEO simultaneously and maintaining make-before-break connectivity between the rising and setting satellites. Maximum capacity can be directed from multiple sources to hot-spots like busy airports.

Advanced discussions are in progress for collaboration and support from the European Space Agency and the UK Space Agency.

"We have designed several chip sets across the full satellite value chain including terminals, payloads and gateways, creating a full eco-system based on our own software," said Yoel Gat CEO of the SatixFy Group. "This new OneWeb satellite will demonstrate all of these capabilities."

"This leading-edge satellite will be fully operational and is a great opportunity to showcase what can be delivered with our payload technology," said Massimiliano Ladovaz, Chief Technical Officer at OneWeb. "The improved performance, greater efficiency and targeted capacity, together with sophisticated ground infrastructure, puts us at the forefront of LEO communications network services."

OneWeb launched its first satellites in February 2019 and will shortly start a regular launch program to deliver global commercial broadband services at the end of 2021.



 

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