Browsing by Author "Ruiz De Azúa Ortega, Juan Adrián"
Now showing items 1-20 of 22
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A novel dissemination protocol to deploy opportunistic services in federated satellite systems
(Institute of Electrical and Electronics Engineers (IEEE), 2020-08-03)
Article
Open AccessThe Earth Observation community is demanding new satellite applications that cover the need of monitoring different areas with high spatial resolution and short revisit times. These applications will generate huge amounts ... -
Assessing LoRa for satellite-to-Earth communications considering the impact of Ionospheric Scintillation
(Institute of Electrical and Electronics Engineers (IEEE), 2020-09-07)
Article
Open AccessSince the appearance of 5G, Internet of Things (IoT) has gained an increased interest, with multiple technologies emerging and converging to cover different user needs. One of the biggest challenges today is to have global ... -
Assessment of satellite contacts using predictive algorithms for autonomous satellite networks
(Institute of Electrical and Electronics Engineers (IEEE), 2020-05-28)
Article
Open AccessUpcoming Low Earth Orbit Satellite Networks will provide low-latency and high downlink capacity necessary for future broadband communications and Earth Observation missions. This architecture was proposed at the beginning ... -
³Cat-4 Mission: a 1-unit cubesat for earth observation with a L-band radiometer and a GNSS-reflectometer using software defined radio
(2019)
Conference lecture
Restricted access - publisher's policyGlobal Navigation Satellite System Reflectometry and L-band microwave radiometry have been used for soil moisture, biomass, and cryosphere studies. Combining both technologies in a low-power and cost-effective solution ... -
Contribution to the development of autonomous satellite communications networks : the internet of satellites
(Universitat Politècnica de Catalunya, 2020-11-09)
Doctoral thesis
Open AccessThe space is experiencing a revolution due to the em ergence of satellite services to satisfy environmental, socio-econom ic, and geo-political demands. Earth Observation satellite systems have become dependable resources ... -
Control Actiu en AFDX i Modelització d'ARINC 653
(Universitat Politècnica de Catalunya, 2015-10)
Master thesis (pre-Bologna period)
Open Access
Covenantee: Institut Supérieur de l'Aéronautique et de l'EspaceThe presented work is oriented on explain the experience of the investigation performed on the embedded systems field. Concretely, the investigation is composed of two standards: ARINC 664 and ARINC 653. The investigation ... -
Demonstration of the federated satellite systems concept for future earth observation satellite missions
(2020)
Conference report
Restricted access - publisher's policyIn the last years, the need to access Earth Observation high spatial resolution data with very low latency, ideally in near-real-time, has increased. Distributed Satellite Systems have emerged as an effective and efficient ... -
Deployment mechanism for a L-band helix antenna in 1-Unit Cubesat
(2020-09-08)
Article
Restricted access - publisher's policyRecently, there is a renewed interest in Earth Observation (EO) of the cryosphere as a proxy of global warming, soil moisture for agriculture and desertification studies, and biomass for carbon storage. Global Navigation ... -
Design and Testing of a Helix Antenna Deployment System for a 1U CubeSat
(Institute of Electrical and Electronics Engineers (IEEE), 2021-05)
Article
Open AccessCubeSats have revolutionized Earth Observation and space science, although their small size severely restricts satellite performance and payload. Antenna deployment from a stowed configuration in these small-satellites ... -
Evaluation of LoRa for data retrieval of ocean monitoring sensors with LEO satellites
(2020)
Conference report
Restricted access - publisher's policyThe celebration of the International Polar Year in 2007 remarked the necessity to better monitor the polar regions. Moreover, the H2020 “Operational Network of Individual Observation Nodes” (ONION) project analyzed and ... -
FSSCAT, the 2017 Copernicus Masters’ “ESA Sentinel Small Satellite Challenge” Winner: A Federated Polar and Soil Moisture Tandem Mission Based on 6U Cubesats
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyFSSCAT is an innovative mission concept consisting of two federated 6U Cubesats in support of the Copernicus Land and Marine Environment services. The first CubeSat carries the Flexible Microwave Payload-2 (FMPL-2), a dual ... -
In-orbit validation of the FMPL-2 dual microwave payload onboard the Fsscat Mission
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyThe Flexible Microwave Payload -2 is the microwave remote sensing payload of the FSSCat mission. The instrument is the outcome of years of work of the Universitat Politécnica de Catalunya Passive Remote Sensing Laboratory, ... -
In-orbit validation of the fmpl-2 instrument—the gnss-r and l-band microwave radiometer payload of the fsscat mission
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-01)
Article
Open AccessThe Flexible Microwave Payload-2 is the GNSS-R and L-band Microwave Radiometer Payload on board 3Cat-5/A, one of the two 6-unit CubeSats of the FSSCat mission, which were successfully launched on 3 September 2020 on Vega ... -
Internet of Satellites (IoSat): an interconnected space paradigm
(2017)
Conference lecture
Open AccessDuring the last years the space has been populated by Distributed Satellite Systems, which some of them have started to implement Inter-Satellite Communication. However, current solutions are composed of a unique mission ... -
Mission and system architecture for an operational network of earth observation satellite nodes
(2019)
Conference lecture
Restricted access - publisher's policyOver the next few years, Europe will take important steps towards implementing the architecture of the Copernicus Space Component for Earth Observation (EO), fulfilling the needs of stakeholders concerned with land monitoring, ... -
Mission and system architecture for an operational network of earth observation satellite nodes
(2020-06-27)
Article
Open AccessNowadays, constellations and distributed networks of satellites are emerging as clear development trends in the space system market to enable augmentation, enhancement, and possibilities of new applications for future Earth ... -
Proof-of-concept of a federated satellite system between two 6-unit cubeSats for distributed earth observation satellite systems
(2019)
Conference lecture
Restricted access - publisher's policyDuring these years, novel Distributed Satellite Systems (DSS) have addressed the new Earth Observation (EO) requirements (e.g. near-real time access to data, or multi-point observations). One of the DSS proposals is the ... -
Simulating distributed small satellite networks: A model-based tool tailored to decentralized resource-constrained systems
(2019)
Conference report
Restricted access - publisher's policyThe conception of new Earth-observing satellite systems is urging the development of tools that can assist engineering teams in their design, validation and testing pursuits. Large-scale Distributed Satellite Systems (DSS) ... -
The flexible microwave payload -2: Architecture and testing of a combined GNSS-R and L-Band radiometer with RFI mitigation payload for cubesat-based Earth observation missions
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference lecture
Restricted access - publisher's policyThe FSSCat mission is a two nano-satellite Earth Observation mission based on 6-unit CubeSats. This paper is focused on the description of one of the remote sensing payloads: the Flexible Microwave Payload 2 (FMPL-2), on ... -
The flexible microwave payload -2: design, implementation, and optimization of a GNSS-R and radiometry processor for cubesat-based earth observation missions
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Restricted access - publisher's policyThe Flexible Microwave Payload 2 (FMPL-2) is a Remote Sensing payload carried on board 3 Cat-5/A, one of the two 6-unit CubeSats of the FSSCat mission. FMPL-2 is a payload based on a Software Defined Radio (SDR), integrating ...
