The objective of the activity is to investigate and develop spectrum reuse and sharing techniques for integrated NTN-TN 3D networksthat allow them to pool, share, and rapidly reallocate spectrum on demand among their heterogeneous components/segments. The techniques will be prototyped in a testbed to be implemented as part of the activity.Targeted improvements:Enabling spectrum reuse and sharing in integrated NTN-NT 3D networks.Description:Spe…

The objectives of this activity are to design, develop and test techniques enabling integration of existing and new VPN solutions suitable for space networks (LEO constellation, MEO constellation or GEO) for the purpose of comparison, performance evaluation and optimisation, while maintaining compatibility with terrestrial networks.

The objective of the activity is to develop and test a digital-twin for on-orbit assembly and manufacturing of antennas up to 30-50metres diameter. An end-to-end manufacturing process will be selected and guidance, navigation and control techniques for assembly and manufacturing on-orbit will be developed. A simple large reflector antenna will be designed, and assembly and manufacturing will be evaluated with the developed digital twin.Targete…

Objective: The objective of the activity is to develop and test a laser safety system for Optical Feeder Link (OFL) operations based on AI/ML techniques. The activity shall emphasise on airspace safety measures to handle uplink operations with significant opticalpower. The safety system shall be capable to operate autonomously. Implementation shall be based on commercially available hardwareplatforms. The activity will also provide the testbed…

The objective of the activity is to design, manufacture and test a Scaled Engineering Model of rugged Ka-band RF front-end for secure TTC applications that will enable technologies for mitigation of intentional interference. Targeted Improvements: Ability to operate under severe Radio Frequency Interference. Description: TTC is a key equipment for all satellites since it provides the umbilical cord to the control station(s). It has to operate…

The objective of the activity is to design, manufacture and test an accelerometer for drag compensation in Very Low Earth Orbit (VLEO). Targeted Improvements: - Enabling real time compensation of drag by the propulsion system. - Miniaturisation of instrument by a factor 10 compared to existing payload grade accelerometers. - Increase accuracy by factor 10 compared to existing accelerometers used for orbital control.Description: While intere…

The objective of this activity is to identify+ develop and test Software Defined Networking (SDN) based solutions for 5G Core Network (CN)+ capable of addressing efficiently and effectively Distributed Denial of Services (DDoS) attacks against 5G Non-Terrestrial Networks. This activity will develop a testbed of SDN implementation for 5G CN to test protection mechanisms against various attack scenarios for relevant 5G NTN use cases+ and study t…

The objective of the activity is to design a system concept based on distinct transmit-only and receive-only satellites for the user link. The goal is to enable at the system level simultaneous two-way low data rate communication services such as Internet of Things, messaging, and VDES operating in frequency range from VHF to C-band. The system concept will be implemented and tested in an end-to-end system testbed. This includes the user termi…

Objective: The objective of the activity is to design and develop a physical layer simulator in order to assess the communication needs, and develop a system concept to support air/space traffic management considering emerging transport means such as hypersonic space planes. Targeted Improvements: Enabling communications for a future European Air/Space Traffic Management System in support of hypersonic space planes. Performance improvement wit…

The objective of this activity is to design, develop and perform an in-orbit experiment of high-performance data transport, switching and processing technologies consisting of several key building blocks like processors, mass memory, switches and optical interconnects, allowing a data throughput of up to 10 Terabit per second to enable future high performance telecommunication applications. Targeted Improvements: Improvement by a factor of two…

The objective of the activity is to design, manufacture and test a tribology-free mechanism breadboard for both platform and payload pointing applications on telecom satellites. The lifetime of the developed mechanism shall be assessed, and endurance testing shall be carried out. Targeted Improvements: Enabling a European source of compact, tribology-free pointing mechanisms with no backlash or friction hysteresis effects. Description: Today p…

Satellite communication links have specific characteristics that undermine the performance of commonly used Internet protocols, notably TCP, in part because performance over satellite was not a major consideration during the development of those protocols. Specifically, the long propagation delay imposed by GEO satellite links and their asymmetric nature lead to poor TCP performance. Unless addressed, this can result in a poor user experience,…

The objective of this activity is to design+ implement+ and validate a zero-trust architecture for a Low Earth Orbit regenerative 5G gNodeB+ that mitigates the security risks specific to 5G Non-Terrestrial Networks.

The objective of this activity is to design, develop and test channel estimation and adaptation techniques as needed for Q/V band feeder links of LEO/MEO constellation with regenerative on-board processors. An end-to-end system testbed will be developed that includes varying channel, antenna and hardware impairments in the downlink and uplink depending on the elevation angle. The testbed willinclude the baseband, analogue and RF domain to test…

Objective:The objective of the activity is to develop scintillation mitigation techniques based on femtosecond pulses for optical feeder uplinks. Their performance will be experimentally verified using the fine acquisition sensor on Alphasat's laser communication terminal.Targeted Improvements:25dB link budget improvement under strong turbulence conditions.Description:The adoption of optical feeder links will largely depend on their abili…

The objective of the activity is to develop and test coupons to pave the way for high-power, high-voltage solar arrays (e.g., 300 Vplus) feeding directly electric propulsion systems. Targeted Improvements:- Increased solar array output voltage from 100V to at least 300V for high power solar arrays.- Enabling direct feed of solar array power to electrical propulsion systems. Description: Inorder to feed power generated by solar arrays directly…

The objective of the activity is to design, manufacture and test a set of highly efficient (minimum 25% power added efficiency) Q-band Monolithic Microwave Integrated Circuits (MMIC) for active antenna applications in GEO, MEO and LEO. The packaged devices will be based on European technology covering the 10 Watt power class (GEO) down to a few 100mWs for LEO applications. Targeted Improvements: Enabling critical building block technology deve…

The objective of this activity is to develop and test a receive Q-band prototype, and a transmit V-band beamformer, both supporting2 beams scanning in a large field of view for the mobility market (e.g. aeroplanes, buses, trains). Targeted Improvements:Enabling technology for Q/V band user terminals for the mobility market (aeroplanes, buses, trains). Description:Today, terminal antennas are mainly exploiting the Ka- and the Ku-frequency bands…

The objective of the activity is to design, develop and test jamming mitigation strategies for NGSO broadband secure systems based on adaptive radio resource management algorithms.

The objective of this activity to design, manufacture and test a Ku- or Ka-band faceted reconfigurable reflect array operating in receive band for reconfigurable coverage applications. RF and thermo-elastic performance shall be experimentally evaluated.TargetedImprovements: - Reduction up to 20% the reflector aperture diameter in comparison to today's shape reflector technology.- Improvement of the directivity performance at the edge of t…

The objective of this activity is to develop the software protocol stack for Release 18 enhancements related to 5G New for Radio (NR) for Non-Terrestrial Networks. The software protocol stack development shall be based on a testbed considering both the User Equipment (UE) and g-NodeB (gNB) features and operational procedures.Targeted Improvements:Enable 5G NR NTN system performance simulations with the latest Release 18 modifications.Descripti…

Objective: The objective is to develop and test a Ku or Ka band transparent phased array antenna to provide broadband connectivity on board cars. Targeted Improvements: Develop a new class of phased array antennas for cars able to guarantee a seamless broadband connectivity with LEO satellites. Description: There is today a significant interest to provide broadband connectivity to cars. This request is associated to the need to guarantee emerg…

Objective: The objective of the activity is the development and testing of an receiver for lunar optical communication in a photon starved regime. Targeted Improvements: Photon-starved optical communications data and tracking receiver with 8 times increased bandwidth (1 ns versus 125 ps). Description: A photon-counting detector receiver package for free-space communications between a lunar satellite and Earth-based ground terminal does not exi…

The objective of the activity is to design, manufacture and test surface mount chip inductors enabling low voltage (down to 0.8 V range) stability, fast transient response, high-speed switching capability and efficient power conversion of point of load(POL) converters, as needed for next generation digital integrated circuits in telecommunication satellites.Targeted Improvements:- Enablinga European source.- 20% mass and volume reduction and 2…

The objective is to develop a multi-model informed predictive tool of atmospheric parameter variability for mission design and operation.Targeted Improvements:- Enabling a new European tool allowing prediction of atmospheric conditions (e.g., density, composition, radiation) over time, including local state and total dose.- To reduce initial mission design margins hence avoiding overdesign.Description: The recent loss of several communication…