Search Results - "del Portillo, Inigo"
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Connecting the other half: Exploring options for the 50% of the population unconnected to the internet
Published in Telecommunications policy (01-04-2021)“…As of the end of 2019, 46.4% of the world's population does not have regular access to the Internet. Bringing the more than 3.5 billion individuals still…”
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Journal Article -
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Approximation methods for estimating the availability of optical ground networks
Published in Journal of optical communications and networking (01-10-2016)“…Optical communications are a key technology enabler to return increasing amounts of data from space exploration platforms such as robotic spacecraft in Earth…”
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Journal Article -
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Architectural Decisions for Communications Satellite Constellations to Maintain Profitability While Serving Uncovered and Underserved Communities
Published in International journal of satellite communications and networking (01-01-2023)“…The rise of the commercial space industry has resulted in the development of mega‐constellations that promise to provide global broadband. These constellations…”
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Journal Article -
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Static beam placement and frequency plan algorithms for LEO constellations
Published in International journal of satellite communications and networking (01-01-2021)“…Summary LEO satellites are growing rapidly in number, but also in configurability of the payload, which presents new challenges of how to allocate the…”
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Journal Article -
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Optimal location of optical ground stations to serve LEO spacecraft
Published in 2017 IEEE Aerospace Conference (01-03-2017)“…Free space optical communications (FSO) are envisioned as a disruptive technology for space communications. Among its advantages, FSO will allow higher…”
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Conference Proceeding -
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Performance characterization of a multiplexed space-to-ground optical network
Published in 2017 IEEE Aerospace Conference (01-03-2017)“…Advances in phased array systems for multi-beam free space optical communications are a key enabler for a new space-to-ground network architecture, namely a…”
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Conference Proceeding -
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Assessing the impact of real-time communication services on the space network ground segment
Published in 2016 IEEE Aerospace Conference (01-03-2016)“…Communication networks to support space missions were originally architected around non-real time data services. In fact, missions have always required…”
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Conference Proceeding -
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On autonomous software architectures for distributed spacecraft: A Local-Global Policy
Published in 2015 IEEE Aerospace Conference (01-03-2015)“…New trends such as satellite swarms or fractionated spacecraft have experienced a very significant growth in the last decade. Migration from monolithic…”
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Conference Proceeding -
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A technical comparison of three low earth orbit satellite constellation systems to provide global broadband
Published in Acta astronautica (01-06-2019)“…The idea of providing Internet access from space has made a strong comeback in recent years. After a relatively quiet period following the setbacks suffered by…”
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Journal Article -
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On scalability of Fractionated Satellite Network architectures
Published in 2015 IEEE Aerospace Conference (01-03-2015)“…Fractionated Satellite Networks are a popular concept in space systems. On these networks, several satellites cooperate and collaborate by exchanging resources…”
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Conference Proceeding -
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Ground segment architectures for large LEO constellations with feeder links in EHF-bands
Published in 2018 IEEE Aerospace Conference (01-03-2018)“…In recent years, several large constellations of LEO satellites have been proposed by different companies as a means to provide global broadband. Even though…”
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Conference Proceeding -
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Deep Reinforcement Learning Architecture for Continuous Power Allocation in High Throughput Satellites
Published 03-06-2019“…In the coming years, the satellite broadband market will experience significant increases in the service demand, especially for the mobility sector, where…”
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Journal Article -
13
A Genetic Algorithm for Joint Power and Bandwidth Allocation in Multibeam Satellite Systems
Published in 2019 IEEE Aerospace Conference (01-03-2019)“…Communications satellites are becoming more flexible and capable in order to make better use of on-board resources and the available spectrum, and to satisfy…”
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Conference Proceeding -
14
An Updated Comparison of Four Low Earth Orbit Satellite Constellation Systems to Provide Global Broadband
Published in 2021 IEEE International Conference on Communications Workshops (ICC Workshops) (01-06-2021)“…Twenty years of technological improvements have raised once again the question of the economic viability of offering Internet access from space using…”
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Conference Proceeding -
15
Artificial Intelligence Algorithms for Power Allocation in High Throughput Satellites: A Comparison
Published in 2020 IEEE Aerospace Conference (01-03-2020)“…Automating resource management strategies is a key priority in the satellite communications industry. The future landscape of the market will be changed by a…”
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Conference Proceeding -
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Architecting the ground segment of an optical space communication network
Published in 2016 IEEE Aerospace Conference (01-03-2016)“…Optical communications are envisioned as a key technology for space communication in the near future. This transition to optical terminals is being pushed by…”
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Conference Proceeding -
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Demonstration of a 40Gbps Bi-directional Air-to-Ground Millimeter Wave Communication Link
Published in 2019 IEEE MTT-S International Microwave Symposium (IMS) (01-06-2019)“…We describe the design, development, and field demonstration of a high-throughput E-band communication link between a ground station and a Cessna aircraft…”
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Conference Proceeding -
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Architecting space communication networks under mission demand uncertainty
Published in 2015 IEEE Aerospace Conference (01-03-2015)“…NASAs Space Network has been a successful program that has provided reliable communication and navigation services for three decades. As the third generation…”
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Conference Proceeding -
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Deep Reinforcement Learning for Continuous Power Allocation in Flexible High Throughput Satellites
Published in 2019 IEEE Cognitive Communications for Aerospace Applications Workshop (CCAAW) (01-06-2019)“…Many of the next generation of satellites will be equipped with numerous degrees of freedom in power and bandwidth allocation capabilities, making manual…”
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Conference Proceeding