Exploració per autor "Zola, Enrica Valeria"
Ara es mostren els items 45-64 de 69
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Linux-based measuring platform for time-based location observables in IEEE 802.11 networks
Martín Escalona, Israel; Barceló Arroyo, Francisco; Zola, Enrica Valeria (University of Bern, 2013)
Text en actes de congrés
Accés restringit per política de l'editorialPositioning has been a hot topic in research for several years. GPS is accepted as a global solution for positioning outdoors, but indoor positioning still remains an open issue. Time-based multilateration techniques are ... -
Minimizing the impact of the handover for mobile users in WLAN: a study on performance optimization
Zola, Enrica Valeria; Kassler, Andreas (2016-04-01)
Article
Accés obertIEEE 802.11 based Wireless LANs are an important piece in today’s communication infrastructure in order to provide high speed wireless Internet access to static or quasi mobile users. For large WLAN deployments (i.e., ... -
Mobility patterns: implications on network parameters and handover
Zola, Enrica Valeria (2013)
Comunicació de congrés
Accés restringit per política de l'editorialThe purpose of a wireless network is to provide coverage to mobile users (MU). Knowledge about the pattern followed by MU in a given scenario may help network planning to guarantee service along the pathway followed by ... -
Multi-objective optimization of WLAN associations with improved handover costs
Zola, Enrica Valeria; Barceló Arroyo, Francisco; Kassler, Andreas (2014-11-01)
Article
Accés restringit per política de l'editorialThe deployment of a large number of access points in public areas presents a new paradigm in which a given station may be served by more than one access point at a time. Recently, a network model has been proposed to derive ... -
New trends in mobility modelling and handover prediction
Barceló Arroyo, Francisco; Gorawski, Michal; Grochla, Krzysztof; Martín Escalona, Israel; Polys, Konrad; Ribeiro, Andrea G.; Sofia, Rute; Zola, Enrica Valeria (Springer, 2014)
Capítol de llibre
Accés restringit per política de l'editorialWireless networks of moving objects have drawn significant attention recently. These types of networks consist of a number of autonomous or semi-autonomous wireless nodes/objects moving with diverse patterns and speeds ... -
On the energy cost of robustness for green virtual network function placement in 5G virtualized infrastructures
Marotta, Antonio; D'Andreagiovanni, Fabio; Kassler, Andreas; Zola, Enrica Valeria (2017-10-09)
Article
Accés obertNext generation 5G networks will rely on virtualized Data Centers (vDC) to host virtualized network functions on commodity servers. Such Network Function Virtualization (NFV) will lead to significant savings in terms of ... -
Optimal user association, backhaul routing and switching off in 5G heterogeneous networks with mesh millimeter wave backhaul links
Mesodiakaki, Agapi; Zola, Enrica Valeria; Santos, Ricardo; Kassler, Andreas (Elsevier, 2018-05-26)
Article
Accés obertNext generation, i.e., fifth generation (5G), cellular networks will provide a significant higher capacity per area to support the ever-increasing traffic demands. In order to achieve that, many small cells need to be ... -
Optimising for energy or robustness? Trade-offs for VM consolidation in virtualized datacenters under uncertainty
Zola, Enrica Valeria; Kassler, Andreas (2016-07)
Article
Accés obertReducing the energy consumption of virtualized datacenters and the Cloud is very important in order to lower CO2 footprint and operational cost of a Cloud operator. However, there is a trade-off between energy consumption ... -
ORCID vist per 4 investigadors del Campus del Baix Llobregat
Pineda Soler, Eloi; Zola, Enrica Valeria; Pradell Cara, Trinitat; Casals, Joan; Garcia, Consol (2014-05-09)
Audiovisual
Accés obert -
Passive round-trip-time positioning in dense ieee 802.11 networks
Martín Escalona, Israel; Zola, Enrica Valeria (2020-08-01)
Article
Accés obertThe search for a unique and globally available location solution has attracted researchers for a long time. However, a solution for indoor scenarios, where high accuracy is needed, and Global Positioning System (GPS) is ... -
Performance evaluation of a TOA-based trilateration method to locate terminals in WLAN
Izquierdo Moreno, Fernán; Ciurana Adell, Marc; Barceló Arroyo, Francisco; Paradells Aspas, Josep; Zola, Enrica Valeria (IEEE, 2006-01)
Text en actes de congrés
Accés obert -
Planning the base station layout in UMTS urban scenarios: a simulation approach to coverage and capacity estimation
Zola, Enrica Valeria; Barceló Arroyo, Francisco (José Neuman de Souza, Petre Dini, Pascal Lorenz, 2004)
Article / Text en actes de congrés
Accés obertThis paper analyzes the performance of a base station layout for a UMTS network in a densely populated city. The study is carried out using snapshot simulations of an actual city (Barcelona, Spain) with specific traffic ... -
Predicting expected TCP throughput using genetic algorithm
Hernandez Benet, Cristian; Kassler, Andreas; Zola, Enrica Valeria (2016-10-24)
Article
Accés obertPredicting the expected throughput of TCP is important for several aspects such as e.g. determining handover criteria for future multihomed mobile nodes or determining the expected throughput of a given MPTCP subflow for ... -
Probability of handoff for users moving with the random waypoint mobility model
Zola, Enrica Valeria; Barceló Arroyo, Francisco (IEEE, 2011)
Text en actes de congrés
Accés restringit per política de l'editorial -
Probability of handoff to neighbor cells for random waypoint mobility and non-ideal conditions
Zola, Enrica Valeria; Barceló Arroyo, Francisco (IEEE, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe handoff process allows users to move while their communication is handled by different antennas in the network. A proper configuration of network's parameters is required in order to guarantee a given QoS for both ... -
Profesores de la UPC trabajan para optimizar las redes inalámbricas
Zola, Enrica Valeria (Comunicación MetroBCN, 2020-02)
Article de premsa
Accés obertEsta primavera, el Ministerio de Ciencia e Innovación ha concedido una ayuda de investigación de tres años de duración para un proyecto liderado por la Dra. Enrica Zola y el Dr. Israel Martín Escalona, profesores de la UPC ... -
Ranging estimation error in WiFi devices running IEEE 802.11mc
Martín Escalona, Israel; Zola, Enrica Valeria (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés restringit per política de l'editorialIndoor positioning is still considered an open issue, especially when general-purpose communication networks are used to observe the metrics for positioning. IEEE 802.11mc aims at providing positioning capabilities to Wi-Fi ... -
Robust and energy-efficient user association and traffic routing in B5G HetNets
Mesodiakaki, Agapi; Zola, Enrica Valeria; Kassler, Andreas (2022-11)
Article
Accés obertNext-generation cellular networks, i.e., beyond fifth generation (B5G) and sixth generation (6G) networks, aim at significantly increasing capacity by deploying a massive number of small cells (SCs) and leveraging millimeter ... -
Robust association for multi-radio devices under coverage of multiple networks
Zola, Enrica Valeria; Dely, Peter; Kassler, Andreas; Barceló Arroyo, Francisco (Springer, 2013)
Capítol de llibre / Comunicació de congrés
Accés restringit per política de l'editorialMany devices are nowadays equipped with multiple wireless network interfaces such as GSM, HSPA+ and WLAN. This requires a mechanism for identifying which access network to use at a given time so to provide best user ... -
Robust optimization for energy-efficient virtual machine consolidation in modern datacenters
Nasim, Robayet; Zola, Enrica Valeria; Kassler, Andreas (SpringerLink, 2018-04-28)
Article
Accés obertEnergy efficient virtual machine (VM) consolidation in modern data centers is typically optimized using methods such as Mixed Integer Programming, which typically require precise input to the model. Unfortunately, many ...