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Listar por palabra clave "Wireless networks"

Mostrando ítems 1-20 de 27

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A Cooperative Decision Making Algorithm for Wireless Location Systems Using Interlinking Data

García Pineda, Miguel; Bri Molinero, Diana; Tomás Gironés, Jesús; Lloret, Jaime (Springer Verlag (Germany), 2013)

Nowadays, several wireless location systems have been developed in the research world. The goal of these systems has always been to find as greatest accuracy as possible. But, if every node takes data from the environment, ...
A deep experimental analysis of energy-proficient firewall policies and security practices for resource limited wireless networks

Rajasoundaran, S.; Sivakumar, S. A.; Devaraju, S.; Pasha, M. Jahir; Lloret, Jaime (John Wiley & Sons Ltd., 2024-08)

[EN] The role of firewalls and security principles in resource-limited wireless networks and Wireless Sensor Networks (WSN) is more expected than in any dedicated network environment. The advanced wireless technologies and ...
A Fast Model for Evaluating the Detection of Selfish Nodes Using a Collaborative Approach in MANETs

Hernández Orallo, Enrique; Serrat Olmos, Manuel David; Cano Escribá, Juan Carlos; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Manzoni, Pietro (Springer Verlag (Germany), 2014-02)

Mobilead-hocnetworks(MANETs)relyonnetworkcooperationschemestowork properly. Nevertheless, if nodes have a selfish behaviour and are unwilling to cooperate, the overall network performance could be seriously affected. The ...
A novel approach for the fast detection of black holes in mobile ad hoc networks

Serrat Olmos, Manuel David; Hernández Orallo, Enrique; Cano Escribá, Juan Carlos; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Manzoni, Pietro (SAGE Publications (UK and US), 2013)

Mobile ad hoc networks are infrastructure-less wireless networks that rely on node cooperation to properly work. In this kind of networks, attack detection and reaction is a key issue to the whole network. The most common ...
A personalized system for scalable distribution of multimedia content in multicast wireless networks

De Fez Lava, Ismael; Gil Pascual, Miriam; Fons Cors, Joan Josep; Guerri Cebollada, Juan Carlos; Pelechano Ferragud, Vicente (Springer, 2014-06-15)

This paper presents a novel architecture for scalable multimedia content delivery over wireless networks. The architecture takes into account both the user preferences and context in order to provide personalized contents ...
A wireless sensor network deployment to detect the degeneration of cement used in construction

Sendra, Sandra; Lloret, Angel T.; Lloret, Jaime; Rodrigues, J. J. P. C. (Inderscience, 2014)

During last few years, the high environmental humidity and salinity in areas close to the sea have caused degeneration of the construction materials. Due to this, several building have collapsed. Several studies demonstrated ...
Advanced mobility handover for mobile IPv6 based wireless networks

Sadiq, Ali Safa; Fisal, Norsheila Binti; Ghafoor, Kayhan Zrar; Lloret, Jaime (Hindawi Publishing Corporation, 2014)

We propose an Advanced Mobility Handover scheme (AMH) in this paper for seamless mobility in MIPv6-based wireless networks. In the proposed scheme, the mobile node utilizes a unique home IPv6 address developed to maintain ...
An analytical evaluation of a Map-based Sensor-data Delivery Protocol for VANETs

Martínez Tornell, Sergio; Hernández Orallo, Enrique; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Cano Escribá, Juan Carlos; Manzoni, Pietro (IEEE, 2013-06-04)

The Delay Tolerant Networks (DTN) approach is considered the best strategy to address the specific issues of the VANETs, namely high mobility, variable node density or frequent radio obstacles. Several protocols have ...
Analysis and evaluation of a raptor-based content delivery protocol and its high-performance extensions

Báguena Albaladejo, Miguel; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Cano Escribá, Juan Carlos; Manzoni, Pietro (Old City Publishing, 2015)

[EN] Forward Error Correction (FEC) has proved to be a very effective solution in the presence of challenging network environments. Its usage is focused mainly on multicast and broadcast delivery, but its impact on research ...
Android real-time audio communications over local wireless

Belda Ortega, Román; Arce Vila, Pau; De Fez Lava, Ismael; Fraile Gil, Francisco; Guerri Cebollada, Juan Carlos (Instituto de Telecomunicaciones y Aplicaciones Multimedia (ITEAM), 2012)

This paper describes an Android mobile application that allows voice communications through short-range wireless networks, mainly Bluetooth and Wi-Fi. The application is able to replicate as close as possible the behavior ...
Channel Modeling and Characteristics for 6G Wireless Communications

Jiang, Hao; Mukherjee, Mithun; Zhou, Jie; Lloret, Jaime (Institute of Electrical and Electronics Engineers, 2021-02)

[EN] Channel models are vital for theoretical analysis, performance evaluation, and system deployment of the communication systems between the transmitter and receivers. For sixth-generation (6G) wireless networks, channel ...
CoCoWa: A Collaborative Contact-based Watchdog for Detecting Selfish Nodes

Hernández-Orallo, Enrique; Serrat Olmos, Manuel David; Cano, Juan-Carlos; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Manzoni, Pietro (Institute of Electrical and Electronics Engineers (IEEE), 2015-06)

[EN] Mobile Ad-hoc Networks (MANETs) assume that mobile nodes voluntary cooperate in order to work properly. This cooperation is a cost-intensive activity and some nodes can refuse to cooperate, leading to a selfish node ...
Democratic Wireless Channel Assignment: Fair Resource Allocation in Wi-Fi Networks

Marsa-Maestre, Ivan; Gimenez-Guzman, Jose Manuel; Tejedor-Romero, Marino; de la Hoz, Enrique; Murukannaiah, Pradeep (Institute of Electrical and Electronics Engineers, 2023-01-01)
Diseño del despliegue de una red inalámbrica para el acceso a Internet en la isla de Formentera

Alonso Díez de Rivera, Isabel Clara (Universitat Politècnica de València, 2024-10-10)

[ES] En el Trabajo Final de Grado se diseñará el despliegue de una red inalámbrica para el acceso a Internet en la isla de Formentera. En base a los datos demográficos de la isla y a la ubicación de los municipios, se ...
Dynamic Spectrum Sharing in Cognitive Radio Networks Using Truthful Mechanisms and Virtual Currency

Vidal Catalá, José Ramón; Pla, Vicent; Guijarro Coloma, Luis Alejandro; Martínez Bauset, Jorge (Elsevier, 2013-08)

In cognitive radio networks, there are scenarios where secondary users (SUs) utilize opportunistically the spectrum originally allocated to primary users (PUs). The spectrum resources available to SUs fluctuates over time ...
Evaluation of a content download service based on FLUTE and LDPC for improving the Quality of Experience over multicast wireless networks

De Fez Lava, Ismael (Editorial Universitat Politècnica de València, 2014-04-17)

Esta tesis estudia la distribución de ficheros en redes inalámbricas, analizando diferentes mecanismos que permiten optimizar la transmisión en términos de ancho de banda y calidad de experiencia. Concretamente, la tesis ...
Improving the Signal Propagation at 2.4 GHz Using Conductive Membranes

Parra-Boronat, Lorena; Sendra, Sandra; Vincent Vela, Maria Cinta; García Gabaldón, Montserrat; Lloret, Jaime (Institute of Electrical and Electronics Engineers, 2017)

[EN] When IEEE 802.11 at 2.4-GHz signal crosses different surfaces, it is generally reduced, but we have seen that it does not happen for all materials. Conductive membranes are able to transport electric charges when they ...
Insensitive call admission control for wireless multiservice networks

Martínez Bauset, Jorge; Pla, Vicent; Bernal Mor, Elena (Institute of Electrical and Electronics Engineers (IEEE), 2011-09)

We propose a call admission control policy and prove that the CTMC that models the multiservice wireless system enforcing the CAC scheme is reversible and its stationary distribution is insensitive to the channel holding ...
Localization in Wireless Networks: The Potential of Triangulation Techniques

Osa Ginés, Vicente; Matamales Casañ, Joaquín; Monserrat del Río, José Francisco; López Bayo, Javier (Springer Verlag (Germany), 2013-02)

User localization is one of the key service-enablers in broadband mobile communications. Moreover, from a different point of view, next steps towards automatic network optimization also depend upon the capability of the ...
Modeling and comparison of candidate selection algorithms in opportunistic routing

Darehshoorzadeh, A.; Cerdà-Alabern, L.; Pla, Vicent (Elsevier, 2011-09-15)

Opportunistic Routing (OR) has been investigated in recent years as a way to increase the performance of multihop wireless networks by exploiting its broadcast nature. In contrast to traditional routing, where traffic is ...