• Unsupervised-learning power allocation for the cell-free downlink

  Nikbakht, Rasoul; Jonsson, Anders, 1973-; Lozano Solsona, Angel (Institute of Electrical and Electronics Engineers (IEEE), 2020)

  This paper applies feedforward neural networks to the problem of centralized power allocation in the downlink of cell-free wireless systems with conjugate beamforming. The formulation relies only on large-scale channel ...
• Automatic related work section generation: experiments in scientific document abstracting

  AbuRa’ed, Ahmed; Saggion, Horacio; Shvets, Alexander; Bravo Serrano, Àlex, 1984- (Springer, 2020)

  Related work sections or literature reviews are an essential part of every scientific article being crucial for paper reviewing and assessment. However, writing a good related work section is an activity which requires ...
• Taking advantage of overhearing in low power listening WSNs: a performance analysis of the LWT-MAC protocol

  Cano Bastidas, Cristina; Bellalta, Boris; Sfairopoulou, Anna; Oliver Riera, Miquel; Barceló Vicens, Jaume (Springer, 2011)

  LWT-MAC is a new Low Power Listening MAC protocol for WSNs designed to rapidly react to instantaneous increases of the network load. It takes advantage of overhearing by waking up all nodes at the end of a transmission to ...
• A semi-dynamic, game based and interference aware channel assignment for multi-radio multi-channel wireless mesh networks

  Amiri Nezhad, Maryam; Cerdà Alabern, Llorenç; Bellalta, Boris; Guerrero Zapata, Manel (Inderscience Enterprises Ltd, 2013)

  Channel assignment (CA) has been extensively researched for multi-radio wireless mesh networks (WMNs), but it is still very challenging when it comes to its implementation. In this paper we propose a semi-dynamic and ...
• A distributed power sharing framework among households in microgrids: a repeated game approach

  AlSkaif, Tarek; Guerrero Zapata, Manel; AlSkaif, Tarek; Bellalta, Boris; Nilsson, Anders (Springer, 2016)

  In microgrids, the integration of distributed energy resources (DERs) in the residential sector can improve power reliability, and potentially reduce power demands and carbon emissions. Improving the utilization of renewable ...
• Web interface for exploration of latent and tag spaces in music auto-tagging

  Tovstogan, Philip; Serra, Xavier; Bogdanov, Dmitry (ICML, 2020)

  We present an online graphical web interface for the exploration and evaluation of embedding and tag spaces of music auto-tagging systems. It allows for quick and qualitative evaluation of individual and pairwise tag ...
• Artist biases in collaborative filtering for music recommendation

  Ferraro, Andrés; Jeon, Jea Ho; Kim, Biho; Serra, Xavier; Bogdanov, Dmitry (ICML, 2020)

  To evaluate if the recommendations are fair, we have to consider how all the stakeholders are affected. In this work, we focus on the artists in the music domain. We analyze the recommendations made with Collaborative ...
• Current approaches for solving over-constrained problems

  Meseguer, Pedro; Bouhmala, Noureddine; Bouzoubaa, Taoufik; Irgens, Morten; Sànchez Fibla, Martí (Springer, 2003)

  We summarize existing approaches to model and solve overconstrained problems. These problems are usually formulated as combinatorial optimization problems, and different specific and generic formalisms are discussed, ...
• Blockchain at the edge: the nexus of capturing new value in 5G

  Miatton, Federico (Institute of Electrical and Electronics Engineers (IEEE), 2020)

  5G propels mobile technology into the exclusive group of general purpose technologies that have marked the evolution of our history and triggered transformative changes in society. Edge computing is instrumental in helping ...
• Handling confounding variables in statistical shape analysis - application to cardiac remodelling

  Bernardino Perez, Gabriel; Benkarim, Oualid M.; Sanz de la Garza, Maria; Prat Gonzàlez, Susanna; Sepúlveda Martínez, Álvaro; Crispi Brillas, Fàtima; Sitges, Marta; Butakoff, Constantine; De Craene, Mathieu; Bijnens, Bart; González Ballester, Miguel Ángel, 1973- (Elsevier, 2020)

  Statistical shape analysis is a powerful tool to assess organ morphologies and find shape changes associated to a particular disease. However, imbalance in confounding factors, such as demographics might invalidate the ...
• Generalized path–permutation codes for reliable end-to-end networking of opportunistic links

  Lai, I-Wei; Shih, Jhih-Wei; Chen, Kwang-Cheng; Biglieri, Ezio (Institute of Electrical and Electronics Engineers (IEEE), 2020)

  Opportunistic links are emerging as a novel technology for state-of-the-art wireless networks, such as cognitive radio networks, energy-harvesting networks, and low-latency vehicular networks. To increase the reliability ...
• Uplink fractional power control and downlink power allocation for cell-free networks

  Nikbakht, Rasoul; Mosayebi, Reza; Lozano Solsona, Angel (Institute of Electrical and Electronics Engineers (IEEE), 2020)

  This letter proposes respective policies for uplink power control and downlink power allocation in cell-free wireless networks. Both policies rely only on large-scale quantities and are expressed in closed form, being ...
• Subset MMSE receivers for cell-free networks

  Attarifar, Masoud; Abbasfar, Aliazam; Lozano Solsona, Angel (Institute of Electrical and Electronics Engineers (IEEE), 2020)

  This paper formulates linear MMSE receivers that are both network- and user-centric for the uplink of cell-free wireless networks with centralized processing. Precisely, every user’s reception involves a distinct subset ...
• Fast quasi-conformal regional flattening of the left atrium

  Nuñez-Garcia, Marta; Bernardino Perez, Gabriel; Alarcón, Francisco; Caixal, Gala; Mont, Lluís; Camara, Oscar; Butakoff, Constantine (Institute of Electrical and Electronics Engineers (IEEE), 2020)

  Two-dimensional representation of 3D anatomical structures is a simple and intuitive way for analysing patient information across populations and image modalities. While cardiac ventricles, especially the left ventricle, ...
• Concurrent decentralized channel allocation and access point selection using multi-armed bandits in multi BSS WLANs

  López Raventós, Álvaro; Bellalta, Boris (Elsevier, 2020)

  Enterprise Wireless Local Area Networks (WLANs) consist of multiple Access Points (APs) covering a given area. In these networks, interference is mitigated by allocating different channels to neighboring APs. Besides, ...
• Learning design and learning analytics in mobile and ubiquitous learning: a systematic review

  Pishtari, Gerti; Rodríguez-Triana, María Jesús; Sarmiento Márquez, Edna M.; Pérez Sanagustín, Maria del Mar; Ruiz Calleja, Adolfo; Santos Rodríguez, Patrícia; Prieto, Luis P.; Serrano Iglesias, Sergio; Väljataga, Terje (Wiley, 2020)

  Mobile and Ubiquitous Learning (m/u‐learning) are finding an increasing adoption in education. They are often distinguished by hybrid learning environments that encompass elements of formal and informal learning, in ...
• Possible molecular and cellular mechanisms at the basis of atmospheric electromagnetic field bioeffects

  Cifra, Michal; Apollonio, Francesca; Liberti, Micaela; García Sánchez, Tomás; Mir, Lluis M. (Springer, 2020)

  Mechanisms of how electromagnetic (EM) field acts on biological systems are governed by the same physics regardless of the origin of the EM field (technological, atmospheric...), given that EM parameters are the same. We ...
• Ghost attractors in spontaneous brain activity: recurrent excursions into functionally-relevant BOLD phase-locking states

  Vohryzek, Jakub; Deco, Gustavo; Cessac, Bruno; Kringelbach, Morten L.; Cabral, Joana R. B. (Frontiers, 2020)

  Functionally relevant network patterns form transiently in brain activity during rest, where a given subset of brain areas exhibits temporally synchronized BOLD signals. To adequately assess the biophysical mechanisms ...
• Multi-armed bandits for decentralized AP selection in enterprise WLANs

  Carrascosa Zamacois, Marc; Bellalta, Boris (Elsevier, 2020)

  WiFi densification leads to the existence of multiple overlapping coverage areas, which allows user stations (STAs) to choose between different Access Points (APs). The standard WiFi association method makes STAs select ...
• Three cases of hybridity in learning spaces: towards a design for a Zone of Possibility

  Cook, John; Mor, Yishay; Santos Rodríguez, Patrícia (Wiley, 2020)

  The paper contributes to design discourse by drawing on Educational Design Research (EDR) that has been conducted into what we call a Zone of Possibility (ZoP) over the past seven years. We define a ZoP as a place where ...

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