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An array fed reflector antenna, based on a passive multi-feed-per-beam architecture, enables the generation of shaped beams of different size, matching the particular shape of the areas they are designed to cover, thus improving the usable capacity of the overall system.
A very complex BFN is built as a single part exploiting additive manufacturing techniques.
This activity develops the necessary adaptations of 3GPP terrestrial radio access technologies with potential use in satellite communications. Examples of such technologies are modulations, forward error correction coding techniques, multiple access schemes and interference management techniques. The development of a combined hardware/software verification platform allows assessing their performance in a set of satellite related scenarios.
QKD4ECI aims at identifying problem areas in European critical infrastructure, where space-based optical communication technologies, and in particular Quantum Key Distribution (QKD) can provide improved security. The design, development and deployment of a respective communications security architecture with corresponding technical, operational and mission requirements has been addressed as well as the development of a roadmap for critical enabling technologies.
In the TB-Grid Project the design and manufacturing methods for the development of highly efficient tubular CFRP grid structures for space application have been developed. A Boom segments for a deployable antenna and a Central Tube for satellite support have been manufactured (patented winding process) and tested, demonstrating the outstanding weight efficiency, versatility and general performance of CFRP grid structures.
The Telecommunication Satellite market is in front of a deep evolution induced by new standard of design, production and validation. These evolutions are directly inspired by what is applied on other aerospace, military or transportation sectors. The move from the classical GEO segment to LEO or MEO constellations bring series production inside the industry of satellites with possibility to increase automation and to raise productivity through digital transformation of factories.
The activity addresses advanced pre-compensation techniques for optical uplinks. It incorporates experimental test setups for verification in laboratory environment, as well as during outdoor test campaigns. In essence, it lays the foundation for the future product development of Synopta’s next generation adaptive optical ground stations (AOGS).
Current Attitude and Orbit Determination Systems for geostationary satellites are typically based on Earth- and Sun-sensors, supplemented by gyros and ground stations for orbit determination. This trend, however, changed towards the increased use of star sensors as primary attitude sensors, which is a first step towards an APS based navigation sensor.
The objective of the NATALIA project is to realise a Ku-band antenna front-end which will be part of a mobile satellite terminal for automotive applications.
The World Radiocommunications Conferences (WRCs) are the organ of the ITU with the responsibility for amending the Radio Regulations. For this reason WRCs are of significant importance to the communications industry. ESA’s project within its ARTES-1 programme “Preparation of WRC-15 and Support to European Regulatory Activities” provided the opportunity for the ESA to support the general positioning of the European satellite industry to promote and safeguard the European interests on issues to be addressed at the WRC-15.
The main goal of this project is to select coating materials and technologies to increase the power conversion efficiency of III–V photovoltaic cells to be used in satellites. The final purpose is to demonstrate a performance increase at bare solar cell level of at least 0.5%, with respect to the competing current state of the art solutions.
This study aimed at identifying the areas in where industry from the Czech Republic, Romania, Slovenia, Estonia, Hungary and Poland could participate in the ARTES programme. This study covered ground segment and space segment activities, as well as applications, taking into account the national space policy and industrial context in each country.
The FOLC project is a technological phase in preparation to the development of a space-qualified optical communication chain, primarily intended for LEO satellite constellations feeder link but also applicable to GEO. The targeted capacity of the feeder link is 180Gbps data rate uplink and 120Gbps data rate downlink.
Due to customer requirements of smaller size, shorter lead times and more flexible frequency allocations, this work has targeted the Local Oscillator for the next generation of RUAG converter and receiver family. The goals in this project are lower recurring cost and shorter lead time than the current Local Oscillator.
The purpose of this activity is to identify new technologies and architectures of interest for payload output sections of geostationary telecommunication satellites, to retain the most promising solutions and propose associated roadmaps for their introduction by the industry of the participating countries on the commercial satellite market
The objective of this study is to implement and demonstrate, through live demonstration over a real GEO satellite, Multi-User Multiple Input Single Output (MU-MISO) digital signal processing techniques, namely precoding, in the Forward (FWD) link of a multi-beam satellite system operating in full frequency reuse (FFR).
The study shall increase the Technology Readiness Level (TRL) of precoding to 5.
The demand for high capacity satellites (broadcasting MSS, broadband) calls for higher capacity spacecraft. This translates into more power demanding payloads, with total DC power anticipated to exceed 30 kW during the coming decade. Regenerative fuel cell systems (RFCS) have been identified several years ago as a possible alternative to rechargeable batteries as a secondary source of power.
The On-board Signal Processing platform serves as a common core for a product family and is built around a highly integrated commercial SRAM-based FPGA. Each product within the family is customized by the development of mission- or market-specific signal processing firmware and RF front-ends. A primary application market is an advanced wideband modem within a communication terminal on-board a LEO satellite capable of inter-satellite data-link.
Following industry interest in modular cellular handsets, a small activity looked into the feasibility to develop a small satcom module which you instert into your modular handset.
A number of possible services were also investigated, such as LTE-M eMBMS broadcast services straight from satellite to the handset, or personal distress beacon as a module integrated in the handset.
The innovative filter technology developed in this program is ground breaking as it in demonstrate an elegant and simple way of implementing lossy filter topology. The SAW correction element method has not been applied earlier, and the resulting solution is patent pending. Through this program, Kongsberg Space Electronics has demonstrated critical technology and design solutions to improve performance and considerably reduce the size of filters at S-band.
The project brings new features on the MDM6100 Broadcast Satellite Modem, on the MCX7000 Multi-Carrier Satellite Gateway and on the USS0202 Universal Redundancy Switch as part of Newtec continuous effort for state of the art products for the Broadcast market. It results in improved bandwidth efficiency, better management and IP network and redundancy support.
ComDev Europe (ta Honeywell) have signed up to develop an AIS system to allow the payload’s firmware to be remotely updated. This approach is to be take an existing payload design and re- design/develop the required functions.
Next generation telecommunication satellites will be required to utilize Q-/V-band. Q-band TWTs are under development, but critical technology for Q-Band EPCs are not available yet to cover the related TWT voltage levels. In this activity technologies needed for Q-band EPCs were developed and demonstrated via samples and a high voltage module breadboard.
This study aims at better understanding and assessing the influence of States on the Satcom market. The final objective is to provide the European Space Agency (ESA) and its member States with possible options to improve the efficiency of the European public policy in this domain and help organize a better environment for the Satcom activity both in industrial and economical terms.
Demonstrates the benefits and address the challenges of the combination of Beam Hopping and Precoding techniques over broadband High Throughput Satellite systems.
Study to estimate the socio-economic impacts of ESA’s Advanced Research in Telecommunications Systems (ARTES) programme in the period 2001-2012. The study follows a mixed-methods approach, which combines qualitative and quantitative techniques to assess various routes to impact and also to arrive at a final estimate of overall economic impact.
The study shows that ARTES has enabled major game-changing industrial developments in the past decade and that the economic impact attributable to ARTES is on the order of €19 billion, realised over the past decade. This represents a return of investment of 11 to 1.
The development of non-metallic propellant tanks, for gas and liquid media, reduces the costs and lead times related to manufacturing and delivery for all satellite configurations using metallic lined units. By using composite-polymer combinations, low pressure liquid tanks and high pressure gas tanks can be produced in a fraction of the current time and supplied from an open supply environment.
This study assessed the feasibility of using nano-satellites for commercial telecommunications services. Nano-satellites have the inherent benefits that they are small, lightweight, and relatively low cost when compared to larger more traditional systems, due to the use of a standard form factor and COTS technology. The largest commercial application for space operations is in telecommunications; therefore it is only natural for research and interest to grow in using CubeSats for telecommunications.
The P-DPS is part of Airbus All-electric propulsion system for telecommunication satellites for Electric Orbit Raising (EOR).
The EOR satellite design uses the benefit of replacing chemical propulsion reservoir with lower size gas reservoir.
The deployable system uses the robotic arm to position the propulsion vector in the optimum position and adjust to CoG movement in station.
As space exploration becomes more common, the rise of objects in Earth’s orbit will lead to a significant increase in close conjunctions. Therefore, there is a need for a new tool to help Space Operators in predicting potential dangerous close encounters.
RUAG Space L-band antenna array elements have been a successful product the last ~15 years. Recently we have noticed that the power requirements on the L-band feed chain will be more stringent in the near future. It is mandatory to secure our role as a supplier in the future and therefore we need to continue the development of our antenna element.
The techno-economic evaluation of advanced techniques in design and manufacturing of RF hardware by using the potential of additive layer manufacturing for mass and lead time saving under consideration of RF performance. The conventional design and performance as a baseline for innovative (e.g. elliptical waveguide channels) and cost saving (monolithic approach saves assembly costs) RF products.
In this activity a novel high precision end-to-end manufacturing technique has been developed based on additive manufacturing techniques that allow precision mandrels to be produced and dissolved within a few hours. Targeted are RF passive hardware such as waveguide routing, feed components, Ka-band filters and diplexer which are needed in high volumes and Q / V / W-band passive components which require precision manufacturing.
The objective of this activity was to design, manufacture and test an EM of a space-borne high efficiency power flexible (both dynamic and static) HPA stage in C-band. A Doherty arrangement was determined to be the most suitable architecture. Under CW operation a PAE improvement of 15% was achieved at 6dB OBO over a Class AB amplifier.
30GHz Dielectric Channel Filter with small mass and footprint were developed and tested. This was performed by the correlation of full wave simulation to the test data from suitable designed hardware. A 10 pole filter with coaxial interface was developed and a 3-channel multiplexer was developed.The test campaign for both units was successfully completed.
