Peering into the dark (ages) with low-frequency space interferometers: Using the 21-cm signal of neutral hydrogen from the infant universe to probe fundamental (Astro)physics.

The Dark Ages and Cosmic Dawn are largely unexplored windows on the infant Universe (z ~ 200-10). Observations of the redshifted 21-cm line of neutral hydrogen can provide valuable new insight into fundamental physics and astrophysics during these eras that no other probe can provide, and drives the design of many future ground-based instruments such as the Square Kilometre Array (SKA) and the Hydrogen Epoch of Reionization Array (HERA). We review progress in the field of high-redshift 21-cm Cosmology, in particular focussing on what questions can be addressed by probing the Dark Ages at z > 30. We conclude that only a space- or lunar-based radio telescope, shielded from the Earth's radio-frequency interference (RFI) signals and its ionosphere, enable the 21-cm signal from the Dark Ages to be detected. We suggest a generic mission design concept, CoDEX, that will enable this in the coming decades

5G Outlook – Innovations and Applications

5G Outlook - Innovations and Applications is a collection of the recent research and development in the area of the Fifth Generation Mobile Technology (5G), the future of wireless communications. Plenty of novel ideas and knowledge of the 5G are presented in this book as well as divers applications from health science to business modeling. The authors of different chapters contributed from various countries and organizations. The chapters have also been presented at the 5th IEEE 5G Summit held in Aalborg on July 1, 2016. The book starts with a comprehensive introduction on 5G and its need and requirement. Then millimeter waves as a promising spectrum to 5G technology is discussed. The book continues with the novel and inspiring ideas for the future wireless communication usage and network. Further, some technical issues in signal processing and network design for 5G are presented. Finally, the book ends up with different applications of 5G in distinct areas. Topics widely covered in this book are: • 5G technology from past to present to the future• Millimeter- waves and their characteristics• Signal processing and network design issues for 5G• Applications, business modeling and several novel ideas for the future of 5

5G Outlook – Innovations and Applications

5G Outlook - Innovations and Applications is a collection of the recent research and development in the area of the Fifth Generation Mobile Technology (5G), the future of wireless communications. Plenty of novel ideas and knowledge of the 5G are presented in this book as well as divers applications from health science to business modeling. The authors of different chapters contributed from various countries and organizations. The chapters have also been presented at the 5th IEEE 5G Summit held in Aalborg on July 1, 2016. The book starts with a comprehensive introduction on 5G and its need and requirement. Then millimeter waves as a promising spectrum to 5G technology is discussed. The book continues with the novel and inspiring ideas for the future wireless communication usage and network. Further, some technical issues in signal processing and network design for 5G are presented. Finally, the book ends up with different applications of 5G in distinct areas. Topics widely covered in this book are: • 5G technology from past to present to the future• Millimeter- waves and their characteristics• Signal processing and network design issues for 5G• Applications, business modeling and several novel ideas for the future of 5

Soluciones TIC para envejecimiento activo y saludable en el hogar, en el puesto de trabajo y en la sociedad

[SPA] Esta tesis doctoral se presenta bajo la modalidad de compendio de publicaciones.La presente tesis doctoral compendia las publicaciones resultado de varios años de trabajo en el marco de tres líneas de investigación relacionadas con envejecimiento activo y soluciones e-health y Ambient Assisted Living para la población de edad más avanzada: Mobiliario inteligente y espacios inteligentes, envejecimiento activo y saludable, y soluciones de las Tecnologías de la Información y las Comunicaciones (TIC) enfocadas al cuidado de la salud en general y a las personas mayores en particular. Dichos trabajos muestran los resultados de un análisis del estado del arte, patentes y otros, para poder establecer una definición precisa del concepto de Mobiliario Inteligente con el objetivo de destacar sus propiedades en cuanto a funcionalidad y al elemento digital activo y conectado. Además, es necesario destacar que el mobiliario inteligente debe ser considerado como un ente integrado en el concepto de ciudades inteligentes o calidad de vida. Por ello la investigación del estado del arte se centra en envejecimiento de la población activa, tendencias recientes, direcciones futuras y envejecimiento en el trabajo. El objetivo es poder extraer conclusiones en cuanto a los principales problemas de motivación y proponer respuestas eficaces que apoyen el envejecimiento en el trabajo y soluciones e-health que permita a la población senior vivir de manera independiente durante más tiempo a través, tanto de una arquitectura IoT de bajo rango para ayudar a abordar los retos de despliegue de servicios e-health en áreas rurales, como de un sistema de teleasistencia basado en el cuidado proactivo, el envejecimiento activo, la prevención y las necesidades de los usuarios y sus entornos. [ENG] This doctoral dissertation has been presented in the form of thesis by publication. The present doctoral thesis summarises a set of publications resulting from several years of work within the framework of three research lines on active ageing and e-health solutions and Ambient Assisted Living for the ageing population: Smart furniture and Smart habitats, active and healthy ageing and Information and Communication Technology solutions focused on health care in general and on the adult population in particular. Such works show the results of an analysis of the state of the art, patents, and others, to establish a precise definition of the concept of Smart Furniture to highlight its properties in terms of functionality and the active and connected digital element, and to underline that smart furniture must be considered as an integrated entity in the concept of Smart Cities or Quality of Life. For this reason, the state-of-the- art research focuses on the aging workforce, recent trends, future directions, and aging at work. The aim is to draw conclusions on the main motivational issues and to propose effective responses that support the concept of aging at work, as well as e-health solutions for the senior population to live independently for longer through both, a low-range IoT architecture to help address the challenges of deploying a e-health system in rural areas, and a tele-assistance system based on proactivity, prevention, and users’ needs and their environments.Esta tesis doctoral se presenta bajo la modalidad de compendio de publicaciones. Está formada por un total de cuatro artículos. Artículo 1.-: Krejcar, O., Maresova, P., Selamat, A., Melero, F. J., Barakovic, S., Husic, J. B., Herrera-Viedma, E., Frischer, R., & Kuca, K., 2019. Smart furniture as a component of a smart city—definition based on key technologies specification. IEEE Access, volumen 7. https://doi.org/10.1109/ACCESS.2019.2927778. Artículo 2.-: Barakovic Husic, J., Melero, F. J., Barakovic, S., Lameski, P., Zdravevski, E., Maresova, P., Krejcar, O., Chorveb, I., Garcia, N.M, & Trajkovik, V., 2020. Aging at Work: A Review of Recent Trends and Future Directions. International journal of environmental research and public health, volumen 17 https://doi.org/10.3390/ijerph17207659. Artículo 3.-: Dimitrievski, A., Filiposka, S., Melero, F. J., Zdravevski, E., Lameski, P., Pires, I. M., Garcia N.M., Lousado, J.P. & Trajkovik, V., 2021. Rural Healthcare IoT Architecture Based on Low-Energy LoRa. International Journal of Environmental Research and Public health, volumen 18. https://doi.org/10.3390/ijerph18147660 Artículo 4.-: Melero, F. J., Bueno, M.V., Martínez, R., Maestre, R., Beteta, M.A., Puebla, T., Bleda, A.L., Sánchez, G., Pérez, R. & Álvarez, M., 2022. Design and Development of a Heterogeneous Active Assisted Living Solution for Monitoring and Following-up with Chronic Heart Failure Patients in Spain. Sensors, Volumen 22, https://doi.org/10.3390/s22228961Escuela Internacional de Doctorado de la Universidad Politécnica de CartagenaUniversidad Politécnica de CartagenaPrograma de Doctorado en Tecnologías de la Información y las Comunicacione