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Passive round-trip-time positioning in dense ieee 802.11 networks
(2020-08-01)
Article
Open AccessThe 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 ... -
Robust optimization for energy-efficient virtual machine consolidation in modern datacenters
(SpringerLink, 2018-04-28)
Article
Open AccessEnergy 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 ... -
Optimal user association, backhaul routing and switching off in 5G heterogeneous networks with mesh millimeter wave backhaul links
(Elsevier, 2018-05-26)
Article
Open AccessNext 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 ... -
A fast robust optimization-based heuristic for the deployment of green virtual network functions
(2017-10-01)
Article
Open AccessNetwork Function Virtualization (NFV) has attracted a lot of attention in the telecommunication field because it allows to virtualize core-business network functions on top of a NFV Infrastructure. Typically, virtual network ... -
A meta-analysis on classification model performance in real-world datasets: an exploratory view
(2018-02-22)
Article
Restricted access - publisher's policyThe No Free Lunch (NFL) Theorem imposes a theoretical restriction on optimization algorithms and their equal average performance on different problems, under some particular assumptions. Nevertheless, when brought into ... -
On the energy cost of robustness for green virtual network function placement in 5G virtualized infrastructures
(2017-10-09)
Article
Open AccessNext 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 ... -
DYMO self forwarding: a simple way for reducing the routing overhead in MANETs
(HINDAWI, 2017-04)
Article
Open AccessCurrent routing protocols in Mobile Ad hoc Networks tend to use information on the position of the nodes in order to improve their features. In fact, without this information, protocols are hardly scalable since they tend ... -
Predicting expected TCP throughput using genetic algorithm
(2016-10-24)
Article
Open AccessPredicting 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 ... -
Optimising for energy or robustness? Trade-offs for VM consolidation in virtualized datacenters under uncertainty
(2016-07)
Article
Open AccessReducing 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 ... -
La espectroscopía raman aplicada a la identificación de materiales pictóricos
(1996-01)
Article
Open Access -
Minimizing the impact of the handover for mobile users in WLAN: a study on performance optimization
(2016-04-01)
Article
Open AccessIEEE 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., ... -
An empirical overview of the No Free Lunch Theorem and its effect on Real-World Machine Learning Classification
(2016-01-01)
Article
Open AccessA sizable amount of research has been done to improve the mechanisms for knowledge extraction such as machine learning classification or regression. Quite unintuitively, the no free lunch (NFL) theorem states that all ...
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