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  • Bricked and evanescently-coupled topologies: expanding the portfolio of subwavelength metamaterial silicon photonic devices 

    Wangüemert-Pérez, J. Gonzalo; Pérez-Armenta, Carlos; Ginel-Moreno, Pablo; Luque-González, Jose Manuel; Hadij-ElHouati, Abdelfettah; [et al.] (SPIE, 2023-02)
    We present two novel topologies of subwavelength grating (SWG) waveguides: the bricked-SWG and the evanescently-coupled-SWG. The bricked topology enables accurate control of waveguide anisotropy while maintaining the index ...
  • Polarization independent 2×2 multimode interference coupler with bricked subwavelength metamaterial 

    Pérez-Armenta, Carlos; Ortega-Moñux, Alejandro; Luque González, J. Manuel; Robert, Halir; Reyes Iglesias, Pedro José; [et al.] (2022)
    The silicon-on-insulator (SOI) platform enables high integration density in photonic integrated circuits while maintaining compatibility with CMOS fabrication processes. Nevertheless, its inherently high modal birefringence ...
  • Caracterización de UWB y WiFi FTM en obras 

    Álvarez-Merino, Carlos S.; Luo Chen, Hao Qiang; Llanes Michel, Joel; Khatib, Emil J.; Barco-Moreno, Raquel (2022-09)
    The construction industry is one of the largest sectors not having a major movement towards digitalisation. For this reason, in recent years, there is an effort for stimulating innovation in the construction site mainly ...
  • Incremento de la capacidad del canal óptico submarino mediante técnicas MISO en presencia de dispersión y turbulencia oceánica 

    Salcedo-Serrano, Pedro; Boluda-Ruiz, Ruben; Garrido-Balsells, José María; García-Zambrana, Antonio (2022)
    En este trabajo se presenta un sistema con múltiples transmisores y un único receptor (MISO) con el objetivo de analizar las prestaciones en términos de capacidad ergódica de un canal óptico submarino bajo efecto de ...
  • Development and RF-Performance of AlGaN/GaN and InAlN/GaN HEMTs on Large-Diameter High-Resistivity Silicon Substrates 

    Moser, M.; Pradhan, M.; Alomari, M.; Schoch, B.; Sharma, K.; [et al.] (2022)
    A CMOS-compatible industrial processing and RF analysis of 150 mm GaN-on-HR-Si substrates with AlGaN and InAlN barrier is presented. Process development along with transfer to large-wafer scale is shown and some HEMT ...
  • Mitigating reflections in integrated gas sensors 

    Torres-Cubillo, Antonia; Wanguemert-Perez, Juan Gonzalo; Sánchez-Postigo, Alejandro; Molina-Fernandez, Iñigo; Halir, Robert (2022-09-07)
    Optical gas sensing for environmental monitoring has become an active research topic in the last decade. Among the different optical sensing configurations, silicon photonic integrated sensors stand as a compact, ...
  • Método de posicionamiento de drones LTE-5G para compensación de fallos en situaciones de emergencia 

    Romero, Ana Rosa; Burgueño, Jesús; De la Bandera Cascales, Isabel; Barco-Moreno, Raquel (2022-09)
    The failures resulting from cells outages or the partial loss of communications infrastructures make it impossible to serve users in the affected area. Such services would allow them to establish communication in order to ...
  • Análisis y clasificación automática de anomalías de red mediante análisis multiresolución y métodos no supervisados 

    Cantizani Estepa, Juan; Fortes Rodríguez, Sergio; Villegas, Javier; Martin Cuerdo, Raúl; Rasines Suárez, Javier; [et al.] (2022-09)
    Cellular networks have been increasing in size and complexity constantly since the earliest generations. This growing complexity makes it harder for network operators to manage and improve the efficiency of the network ...
  • Modelado de rendimiento de segmento en redes de acceso radio mediante aprendizaje supervisado 

    Gijón, Carolina; Toril-Genoves, Matias; Luna-Ramírez, Salvador; Bejarano-Luque, Juan Luis (2022-09)
    In 5G systems, the Network Slicing (NS) feature allows to deploy several logical networks customized for specific verticals over a common physical infrastructure. In the Radio Access Network (RAN), cellular operators need ...
  • Modelo de evaluación de calidad de experiencia para servicios de vídeo inmersivo por LTE basado en drones 

    González, Nuria; Solera-Delgado, Marta; Ruiz-Vega, Fernando Jesus; Toril-Genoves, Matias; Gijón, Carolina (2022-09)
    Several upcoming 5G and 6G services rely on Unmanned Aerial Vehicles (UAV) sending live data to other remote User Equipments (UEs) in Beyond Visual Line of Sight (BVLOS) scenarios. Thus, understanding the traffic flows ...
  • Filtrado de trazas MDT de alta movilidad mediante aprendizaje supervisado 

    Toril-Genoves, Matias; Gijón, Carolina; Bejarano-Luque, Juan Luis; Luna-Ramírez, Salvador; Sánchez-Martín, Joaquín (2022-09)
    In beyond 5G networks, geolocated radio information will play a fundamental role to drive self-management algorithms in a zero-touch paradigm. Minimization of Drive Test (MDT) functionality provides operators with geolocated ...
  • Obtención de intervalos de confianza en redes neuronales para predicción en redes celulares 

    Bejarano-Luque, Juan Luis; Toril-Genoves, Matias; Gijón, Carolina; Luna-Ramírez, Salvador; Durán-Martínez, Álvaro (2022-09)
    Hoy en día, las redes celulares presentan una complejidad extrema y un alto grado de dinamismo, lo que hace que predecir las fluctuaciones en el rendimiento de la red sea una tarea extremadamente difícil. Gracias a ...
  • Estimación de KQIs para servicio de Vídeo - 360 

    Peñaherrera-Pulla, Sebastián; Baena, Carlos; Fortes-Rodriguez, Sergio; Baena-Martinez, Eduardo; Barco-Moreno, Raquel (2022-09)
    The evolution of mobile networks has led to great opportunities for the development of cutting-edge services. One of these is 360-Video, which is an application of VR (Virtual Reality) technology that intends for displaying ...
  • Infraestructura 5G Standalone para Investigación y Desarrollo 

    Tarrías Muñoz, Antonio; Baena-Martinez, Eduardo; Fortes-Rodriguez, Sergio; Barco-Moreno, Raquel (2022-09)
    The deployment of 5G infrastructures has been notably addressed during the last years. In contrast, most of the cellular operators are opting for deploying 5G Non- Standalone (NSA), which relies on LTE as anchor technology ...
  • Ultra-broadband polarization beam splitter with a gradual anisotropy engineered subwavelength metamaterial 

    Luque-González, José Manuel; Halir, Robert; Wanguemert-Perez, Juan Gonzalo; Schmid, Jens H.; Cheben, Pavel; [et al.] (2022-06)
    In this work we propose a polarization beam splitter based on an advanced SWG metamaterial topology which controls the propagation of multiple TE and TM modes at the same time. The proposed device achieves a simulated ...
  • Autonomous monitoring framework for cellular networks 

    Trujillo, José Antonio; De la Bandera Cascales, Isabel; Burgueño, Jesús; Palacios, David; Barco-Moreno, Raquel (2022-07)
    The arrival of a new generation of mobile networks as 5G (5th Generation), brings with it greater complexity in the management of the network due to new services and scenarios. In this context, SON (Self-Organizing Networks) ...
  • NB-IoT latency evaluation with real measurements 

    Segura, David; Jatib Khatib, Emil; Munilla-Fajardo, Jorge; Barco-Moreno, Raquel (2022-07)
    In the 3GPP LTE Release 13, NB-IoT was standardized to provide wide-area connectivity for IoT. To optimize network signaling and power consumption, control plane (CP) optimization was introduced. In Release 15, to support ...
  • Metamaterial antenna array fed by distributed Bragg deflector for SOI platform 

    Ginel Moreno, Pablo; Hadij El-Houat, Abdelfettah; Sánchez-Postigo, Alejandro; Wanguemert-Perez, Juan Gonzalo; Molina-Fernandez, Iñigo; [et al.] (2022)
    We propose a distributed Bragg deflector working as a low loss (<0.3 dB) ultra compact beam expander, which generates an on chip Gaussian beam that illuminates a 1D array of 112 optical antennas with a length of 1.5 mm . ...
  • Inter-channel Granger Causality for Estimating EEG Phase Connectivity Patterns in Dyslexia 

    Rodríguez Rodríguez, Ignacio; Ortiz-Garcia, Andres; Formoso, Marco A.; Gallego-Molina, Nicolás J.; Luque, J.L. (2022)
    Methods like Electroencephalography (EEG) and magnetoencephalogram (MEG) record brain oscillations and provide an invaluable insight into healthy and pathological brain function. These signals are helpful to study and ...
  • Desarrollo de antena espiral con alimentación lateral realizada mediante fabricación aditiva 

    Martín-Bayona, Francisco-José; Pérez-Escribano, Mario; Márquez-Segura, Enrique (2022)
    This contribution presents an step-by-step design and manufacturing of a spiral antenna with lateral feeding mainly for automotive applications. The spiral antenna is intended to work in Ultra-Wide Band (UWB), a new ...

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