Enhancing the resilience of low earth orbit remote sensing satellite networks

J Yang, D Li, X Jiang, S Chen, L Hanzo - IEEE Network, 2020 - ieeexplore.ieee.org
The Low Earth orbit Remote Sensing (LRS) satellite network is envisioned as an essential
component of bolstering space information applications, thus extending conventional …

Benefits of using mobile ad-hoc network protocols in federated satellite systems for polar satellite missions

JA Ruiz-De-Azúa, A Camps, AC Augé - IEEE access, 2018 - ieeexplore.ieee.org
The operational network of individual observation nodes project evaluated the benefits of
applying distributed satellite system (DSS) architectures to Earth observation. One of its …

Assessment of satellite contacts using predictive algorithms for autonomous satellite networks

JA Ruiz-De-Azua, V Ramírez, H Park, AC AUG… - IEEE …, 2020 - ieeexplore.ieee.org
Upcoming Low Earth Orbit Satellite Networks will provide low-latency and high downlink
capacity necessary for future broadband communications and Earth Observation missions …

High power, thermally efficient, X-band 3D T/R module with calibration capability for space radar

A Fina, A Di Carlofelice, F De Paulis - IEEE Access, 2018 - ieeexplore.ieee.org
Earth observation from space radar is based on the active electronically steerable antenna
(AESA) whose performances count on reliable and powerful transmit/receive modules …

Towards federated satellite systems and internet of satellites: The federation deployment control protocol

JA Ruiz-de-Azua, N Garzaniti, A Golkar, A Calveras… - Remote Sensing, 2021 - mdpi.com
Presently, the Earth Observation community is demanding applications that provide low
latency and high downlink capabilities. An increase in downlink contacts becomes essential …

An ultra-wideband compact TR module based on 3-D packaging

Z Li, H Sun, H Wu, S Zhang - Electronics, 2021 - mdpi.com
This study presents a novel four-channel tile-type T/R module which achieves excellent
performances in ultra-wideband (2–12 GHz) and integrates all circuits in a super-light (25 g) …

Evaluation of LoRa for data retrieval of ocean monitoring sensors with LEO satellites

L Fernandez, JA Ruiz-de-Azua… - IGARSS 2020-2020 …, 2020 - ieeexplore.ieee.org
The celebration of the International Polar Year in 2007 remarked the necessity to better
monitor the polar regions. Moreover, the H2020 “Operational Network of Individual …

A novel dissemination protocol to deploy opportunistic services in federated satellite systems

JA Ruiz-De-Azua, A Calveras, A Camps - IEEE access, 2020 - ieeexplore.ieee.org
Earth Observation applications are demanding higher spatial resolution and shorter revisit
times than existing systems, which can be met by ad-hoc constellations of Federated …

Highly integrated wideband transmit/receive module for x-band sar applications

F de Paulis, D Di Giuliomaria, A Fina, M Amici… - Applied Sciences, 2023 - mdpi.com
The roadmaps of satellite-based synthetic aperture radar (SAR) systems show a trend that
requires a continuous improvement of the active antenna in terms of operating bandwidth …

Proof-of-concept of direct-to-satellite iot for earth observation applications: Soil moisture experiment

JA Ruiz-de-Azua, J Pagès, C Labella… - IGARSS 2022-2022 …, 2022 - ieeexplore.ieee.org
Novel demands from Earth Observation community have emerged due to current climate
situation. These needs are mainly oriented on monitoring hydric stress, climate disasters …