SATCOM

QV LIFT : the project

QV-LIFT : THE PROJECT

An EU’s HORIZON 2020 project

QV-LIFT is an EU-sponsored project in which OMMIC partnered with eight other companies. The goal is to increase the maturity level of key satellite communication technologies by building a prototype of the next generation of satellite supporting the high-speed/low latency permanent service required by the 5G of mobile communications.

Satellite communications must be supported in all weather conditions. With heavy rain, the signal dumping is more important and additional power is needed. In order to keep the radio links stable, the power amplifier should thus be able to deliver a signal that is an order of magnitude greater (i.e. 10 additional dB) compared to sunny weather. The main idea of ​​the QV-LIFT project is to be able to reach a smart gateway via the Internet through a link established in a place with sunny weather. This would reduce the specification of the PA’s output power, removing the need for the pricy 10 dB margin, necessary for the non-intelligent gateway.

Current generation of satellite is communicating with a frequency in the Ka-band for the uplink (operating at 30 GHz) and K-band (operating at 20 GHz) for the downlink. The need for extra connectivity results in additional bandwidth requirements. This led the frequency regulator to allocate additional bands for new generations of satellite. It has been stated that the next generation shall use the V-band for the uplink (50 GHz) and the Q-band (40 GHz) for the downlink.

In the frame of the project, OMMIC has to design and manufacture a prototype of the uplink PA. As a consequence of the smart feature, the QV-LIFT uplink requires a 10 W output power at 50 GHz (without the smart feature, the link would require an RF power of 100 W for rainy condition, but used 90% of the time at 10 W). This power level is unreachable using former GaAs MMIC’s solutions, but can be reached using a small gate length RF GaN process. The specification given to OMMIC was to develop in a 3 W MMIC so a 10 W SSPA could be manufactured by the other partners combining 4 dies.

QV-LIFT : the results

The rest of the solution is currently under integration and a demo shall be taking place soon.

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About OMMIC

Created in 2000 by spinning of Philipps, OMMIC specializes in the development and manufacturing of microwave circuits. OMMIC specializes in III – V technologies (GaN, GaAs and InP). OMMIC made the strategic choice to locate all its activities in France, on the historic site of Limeil-Brévannes and invested heavily in research. Today, OMMIC is the world leader in millimetric GaN technology, with superior power and unparalleled energy efficiency technology is positioned to be one of the pillars of millimetric 5G.

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About QV-LIFT

The QV-LIFT project has received funding from the European Union’s Horizon 2020 research and innovation programme under the agreement No. 730104. More information on www.qvlift.eu

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