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You are here: Home / News / Beam-hopping JoeySat passes on-orbit tests

Beam-hopping JoeySat passes on-orbit tests

August 6, 2023 by editorial

Photo of JoeySat’s deployment, courtesy of ESA.

An advanced broadband satellite that is providing high-speed internet services that demonstrate nexgen 5G connectivity has passed initial, on-orbit tests.

JoeySat’s separation, photo courtesy of ESA.

As they can swiftly switch their coverage between different locations, beam-hopping satellites can connect people living in, or traveling over, wide geographical areas. They can also vary the power of their signals, enabling them to respond rapidly to surges in customer demand, for example, during natural disasters when emergency responders need to communicate with each other.

The beam-hopping satellite — nicknamed JoeySat after a baby kangaroo — will soon demonstrate the technology that will enable a beam hopping satellite in LEO to connect thousands of people traveling by air, sea or on land.

Photo of the JoeySat satellite, courtesy of ESA.

JoeySat was launched into orbit on May 20th., exactly two years after ESA and OneWeb signed the contract to collaborate on the satellite’s creation.

Since then, JoeySat has completed commissioning tests of its platform and payload and initiated its one-year test campaign that includes a digitally regenerative, on-board processor, a multi-beam phased array that incorporates beam-steering as well as beam-hopping antennas.

JoeySat is in a near-polar orbit and will send signals via ground stations in Norway and Sweden to demo the full capabilities of flexible payloads in nexgen constellations with global connectivity. Experiments will include end-to-end communications with dynamic resource allocation, and 5G pilot tests with the University of Surrey.

Developed under the Sunrise Partnership Project between ESA and telecommunications operator OneWeb, with support from the UK Space Agency, JoeySat is demonstrating key technologies for OneWeb’s nexgen constellation.

JoeySat’s fully digital and state-of-the-art payload was built using off-the-shelf components, new space best practices and a lean management style in less than a year. The satellite’s advanced, digital regenerative payload was built by communications equipment company Satixfy and the payload environmental tests were completed in the UK.

“It is exciting to see OneWeb’s JoeySat pass its initial in-orbit tests so that it can move on to demonstrate the huge potential of its innovative beam-hopping technology to enhance connectivity and improve people’s lives, whether that means better broadband services in remote places, or the ability to respond more effectively to emergency situations. The UK Space Agency has supported the mission with more than £50 million to fund both the game-changing technology behind JoeySat’s creation and the development of a wider ecosystem that will ensure a reliable and sustainable end-to-end service. We look forward to watching its next-generation capabilities come to life.” — Harshbir Sangha, Missions and Capabilities Delivery Director, UK Space Agency

“We are proud of this ESA Partnership Project with a large telecommunications operator that also includes small and medium-sized enterprises. By working in a lean style using commercial off-the-shelf components and flexible project management to bring innovative technologies to market in response to commercial needs, ESA is helping to foster innovation in next-generation 5G connectivity. ESA Partnership Projects help European space companies succeed in the highly competitive global market for telecommunications satellites.” — Javier Benedicto, Acting Director of Connectivity and Secure Communications, ESA

Filed Under: News

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