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Browsing by Author "Pla Boscà, Vicent"

Now showing items 1-20 of 73

A dynamic channel access strategy for underlay cognitive radio networks: Markov modelling and performance evaluation

Jalali, Elmira; Balapuwaduge, Indika A. M.; Li, Frank Y.; Pla, Vicent (2017)

[EN] Unlike in overlay cognitive radio networks, secondary users in underlay cognitive radio networks can access licensed spectrum even at the presence of a primary user, given that the interference caused by the secondary ...
A hybrid method for the QoS analysis and parameter optimization in time-critical random access wireless sensor networks

Leyva-Mayorga, Israel; Pla, Vicent; Martínez Bauset, Jorge; Rivero-Angeles, Mario E. (Elsevier, 2017-04-01)

[EN] Evolution in electronics has led to the development of complex applications in wireless sensor networks (WSNs), where efficient and swift event reporting is needed. In time-critical applications, achieving an ...
A user subscription model in mobile radio access networks with network slicing

Vidal Catalá, José Ramón; Guijarro, Luis; Pla, Vicent (Elsevier, 2023-04)

[EN] Network slicing is an architectural enabling technology that logically decouples the current cellular networks into infrastructure providers (InPs) and Network Slice Tenants (NSTs). The network resources (e.g., radio ...
Adaptive access class barring for efficient mMTC

Leyva-Mayorga, Israel; Rodríguez-Hernández, Miguel A.; Pla, Vicent; Martínez Bauset, Jorge; Tello-Oquendo, Luis (Elsevier, 2019-02-11)

[EN] In massive machine-type communications (mMTC), an immense number of wireless devices communicate autonomously to provide users with ubiquitous access to information and services. The current 4G LTE-A cellular system ...
ANÁLISIS APROXIMADO DE REDES DE TELECOMUNICACIONES BASADO EN LA SEPARACIÓN DE ESCALAS TEMPORALES

Tello Oquendo, Luis Patricio (Universitat Politècnica de València, 2013-10-24)

Cadenas y procesos de Markov son herramientas de modelado ampliamente utilizadas para evaluar el desempeño de redes de comunicaciones. El tamaño del sistema y la existencia de diferentes tipos de usuarios a menudo hacen ...
Análisis de Desempeño de un Protocolo para Redes Inalámbricas de Sensores Basado en TDMA con Capacidades de Radio Cognoscitivo

Leyva-Mayorga, Israel; Rivero-Angeles, Mario E.; Carreto-Arellano, Chadwick; Pla, Vicent (Elsevier, 2016)

[ES] El Radio Cognoscitivo (CR) tiene como objetivo principal la optimización del uso del espectro en sistemas de portadoras múltiples y ha sido estudiado para lograr mejoras en el desempeño en redes inalámbricas de sensores ...
Análisis de prestaciones para sistemas de cognitive radio con handoff espectral y reserva de canales

Pacheco Páramo, Diego Felipe (Universitat Politècnica de València, 2011-11-15)

[ES] En este trabajo se hace un análisis de tráfico del sistema de cognitive radio, estudiando el impacto del handoff espectral, y del handoff espectral con reserva y del handoff espectral con reserva fraccionada sobre las ...
Applying ANFIS Model in Decision-making of Vertical Handover between Macrocell and Femtocell Integrated Network

Benaatou, Wafa; Latif, Adnane; Pla, Vicent (Faculty of Electronic and Computer Engineering Universiti Teknikal Malaysia Melaka, 2019)

[EN] One of the most challenging tasks in communication networks is to maintain seamless mobility and service continuity during a vertical handover. This paper provides the case of handover decision making between femtocell ...
Approximate Analysis of Cognitive Radio Systems Using Time-Scale Separation and Its Accuracy

Martínez Bauset, Jorge; Pla, Vicent; Vidal Catalá, José Ramón; Guijarro Coloma, Luis Alejandro (Institute of Electrical and Electronics Engineers (IEEE), 2013-01)

We model a cognitive radio system as a quasi-birth-death (QBD) process and determine its performance parameters. We also model the system at the quasi-stationary limiting regime. We show that this regime defines the ...
Candidate Selection Algorithms in Opportunistic Routing based on Distance Progress

Darehshoorzadeh, Amir; Cerdà-Alabern, Llorenç; Pla, Vicent (Inderscience, 2015)

Opportunistic Routing (OR) is a new class of routing protocols that selects the next-hop forwarder on-the-fly. In contrast to traditionally routing, OR does not select a single node as the next-hop forwarder, but a set ...
Capacity Upper Bound of Channel Assembling in Cognitive Radio Networks with Quasistationary Primary User Activities

Jiao, Lei; Song, Enbin; Pla, Vicent; Li, Frank Y. (Institute of Electrical and Electronics Engineers (IEEE), 2013-05)

In cognitive radio networks (CRNs) with multiple channels, various channel-assembling (ChA) strategies may be applied to secondary users (SUs), resulting in different achieved capacity. However, there is no previous work ...
Channel Assembling with Priority-based Queues in Cognitive Radio Networks: Strategies and Performance Evaluation

Balapuwaduge, Indika A. M.; Jiao, Lei; Pla, Vicent; Li, Frank Y. (Institute of Electrical and Electronics Engineers (IEEE), 2014-02)

[EN] With the implementation of channel assembling (CA) techniques, higher data rate can be achieved for secondary users in multi-channel cognitive radio networks. Recent studies which are based on loss systems show that ...
Competition and bargaining in wireless networks with spectrum leasing

Guijarro, Luis; Pla, Vicent; Tuffin, Bruno; Maillé, Patrick; Vidal Catalá, José Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2011-12-05)

The case for a competitive market operated by a Mobile Network Operator (MNO) and a Mobile Virtual Network Operator (MVNO) is analysed in the paper. The resource that is leased by the MNO to the MVNO is spectrum. The ...
Competition Between Service Providers With Strategic Resource Allocation: Application to Network Slicing

Guijarro, Luis; Vidal Catalá, José Ramón; Pla, Vicent (Institute of Electrical and Electronics Engineers, 2021)

[EN] We propose and analyze a business model for a set of operators that use the same physical network. Each operator is entitled to a share of a network operated by an Infrastructure Provider (InP) and uses network slicing ...
Competition in data-based service provision: Nash equilibrium characterization

Guijarro, Luis; Pla, Vicent; Vidal Catalá, José Ramón; Naldi, Maurizio (Elsevier, 2019-07)

[EN] This paper analyzes the economic feasibility of a market for data-based services, which is a scenario envisioned in sectors that are adopting Internet of Things and/or Big Data technologies. A business model for the ...
Competition in Service Provision between Slice Operators in 5G Networks

Guijarro, Luis; Vidal Catalá, José Ramón; Pla, Vicent (MDPI AG, 2018)

[EN] Network slicing is gaining an increasing importance as an effective way to introduce flexibility in the management of resources in 5G networks. We envision a scenario where a set of network operators outsource their ...
Contribución a la gestión de recursos en redes de acceso celulares. Modelos analíticos y evaluación de prestaciones

Pla Boscà, Vicent (Universitat Politècnica de València, 2008-05-07)

Desde sus inicios hace algo más de veinte años, la telefonía móvil celular ha experimentado un enorme crecimiento e importantes transformaciones y, todavía hoy, se encuentra en una fase de cambio y crecimiento. A ...
Contribución al control de admisión en redes móviles celulares multiservicio

García Roger, David (Universitat Politècnica de València, 2008-05-06)

El trabajo contenido en esta tesis trata de contribuir en la caracterización, comprensión y desarrollo de mecanismos para la apropiada gestión de los recursos en las redes móviles celulares. En concreto, la aportación que ...
Deep Reinforcement Learning Mechanism for Dynamic Access Control in Wireless Networks Handling mMTC

Pacheco-Paramo, Diego F.; Tello-Oquendo, Luis; Pla, Vicent; Martínez Bauset, Jorge (Elsevier, 2019-11)

[EN] One important issue that needs to be addressed in order to provide effective massive deployments of IoT devices is access control. In 5G cellular networks, the Access Class Barring (ACB) method aims at increasing the ...
Desarrollo de un simulador por eventos discretos para el estudio de la gestión de tráfico en redes móviles que implementan network slicing

Guijarro Monerris, Alejandro (Universitat Politècnica de València, 2022-10-14)

[ES] Una de las características de las redes 5G es la posibilidad de crear diversas redes lógicas sobre una misma infraestructura física. En la jerga de 5G, cada una de las redes lógicas que funcionan sobre la misma ...