Browsing by Author "Sallent Roig, José Oriol"
Now showing items 21-40 of 187
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A real time emulator demonstrating advanced resource management solutions
Gelonch Bosch, Antonio José; Revés Ballesté, Xavier; Marojevic, Vuk; Nasreddine, Jad Nayef; Pérez Romero, Jordi; Sallent Roig, José Oriol (2010-07)
Article
Restricted access - publisher's policy -
A roadmap from UMTS optimization to LTE self-optimization
Sallent Roig, José Oriol; Pérez Romero, Jordi; Sánchez González, Juan; Agustí Comes, Ramon; Díaz Guerra, Miguel Angel; Henche, David; Paul, Daniel (2011-06)
Article
Restricted access - publisher's policySelf-Organizing Networks (SON) are currently being introduced by the 3rd Generation Partnership Project (3GPP) as part of the Long Term Evolution (LTE) system as a key driver for improving the operation of wireless networks. ... -
A robustness analysis of learning-based coexistence mechanisms for LTE-U operation in non-stationary conditions
Pérez Romero, Jordi; Sallent Roig, José Oriol; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Conference report
Restricted access - publisher's policyThe use of Long Term Evolution (LTE) in the unlicensed 5 GHz band, referred to as LTE-U, is a promising enhancement to increase the capacity of LTE networks and meet the requirements of future systems. This paper considers ... -
A rule-based solution search methodology for self-optimization in cellular networks
Sánchez González, Juan; Pérez Romero, Jordi; Sallent Roig, José Oriol (2014-12-12)
Article
Restricted access - publisher's policyThis letter presents a rule-based solution search (RBSS) algorithm for self-optimization in a cellular network. It improves the solution search process of classical optimization methodologies by including a set of rules ... -
A self-organized spectrum assignment strategy in next generation OFDMA networks providing secondary spectrum access
Bernardo Álvarez, Francisco; Agustí Comes, Ramon; Pérez Romero, Jordi; Sallent Roig, José Oriol (2009)
Conference report
Open AccessThis paper proposes a Self-organized Spectrum Assignment strategy in the context of next generation multicell Orthogonal Frequency Division Multiple Access networks. The proposed strategy is able to dynamically find ... -
A solution framework to provide management services for wireless communications in the digital home
Ferrús Ferré, Ramón Antonio; Sallent Roig, José Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2012-11)
Article
Restricted access - publisher's policyThe future digital home (DH) is envisioned as a place where a plethora of diverse personal and machine-to-machine communications will coexist to support different applications in areas such as information and ... -
A Spectrum selection framework for opportunistic networks
Moessner, Klaus; Pérez Romero, Jordi; Sallent Roig, José Oriol; Bouali, Faouzi; Sarvanko, Heli; Mustonen, Miia; Matinmikko, Marja; Lee, Haeyoung; Vahid, Seiamak (IIMC International Information Management Corporation Ltd, 2012)
Conference lecture
Open AccessThis paper presents a framework for including cognitive management functionalities in the spectrum selection process for Opportunistic Networks (ONs).The framework is based on a decision making functionality interacting ... -
A testbed platform to demonstrate spectrum selection in opportunistic networks
Raschellà, Alessandro; Umbert Juliana, Anna; Pérez Romero, Jordi; Sallent Roig, José Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyThis paper presents a testbed platform to demonstrate and validate spectrum opportunity identification and spectrum selection functionalities in Opportunistic Networks (ONs). The hardware component of the testbed is based ... -
A traffic distribution scheme for 5G resilient backhauling using integrated satellite networks
Mendoza, Fabián; Ferrús Ferré, Ramón Antonio; Sallent Roig, José Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Open AccessResilience and high availability are being considered as essential requirements in 5G networks. To fullfil these requirements, the integration of a satellite component within mobile backhaul networks is regarded as a ... -
Adaptive algorithms for improving the throughput in an indoor mobile s-aloha ds-cdma system
Sallent Roig, José Oriol; Agustí Comes, Ramon (DR. F-N PAVLIDOU IEEE, 1996)
Conference report
Open AccessThis paper presents a novel Adaptive DSCDMA Slotted-ALOHA packet random access scheme with transmitter-based spreading codes for mobiles. It is aimed at improving the throughput and message delay delivery when traffic ... -
Adaptive S-ALOHA CDMA as an alternative way of integrating services in mobile environments
Sallent Roig, José Oriol; Agustí Comes, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-05)
Article
Open AccessCode-division multiple-access (CDMA) schemes appear to be very promising access techniques for coping with the requirements of third-generation mobile systems, mainly because of their flexibility. This paper proposes an ... -
Adaptive s-aloha cdma as an alternative way of integrating services in mobile environments
Sallent Roig, José Oriol; Agustí Comes, Ramon (2000-05)
Article
Open AccessCode-division multiple-access (CDMA) schemes appear to be very promising access techniques for coping with the requirements of third-generation mobile systems, mainly because of their flexibility. This paper proposes an ... -
Adaptive schemes for packet data in a ds-cdma environment
Sallent Roig, José Oriol; Agustí Comes, Ramon (IEEE INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, INC., 1997)
Conference report
Open AccessThis paper presents a novel adaptive DS-CDMA slotted-ALOHA packet random access scheme for improving the throughput of the conventional DS-CDMA slotted-ALOHA system. For this purpose a mobile-assisted algorithm is envisaged ... -
Admission control for multi-tenant radio access networks
Pérez Romero, Jordi; Sallent Roig, José Oriol; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (2017)
Conference report
Restricted access - publisher's policyThe sharing of Radio Access Networks is gaining momentum in small cell scenarios, due to the associated reduction in capital and operational costs. In this scenario, the split of radio resources among tenants sharing the ... -
Advanced spectrum management for the downlink of WCDMA systems using genetic algorithms
Nasreddine, Jad Nayef; Pérez Romero, Jordi; Sallent Roig, José Oriol (2009)
Conference report
Open AccessIn this paper, we propose an advanced spectrum management approach for the downlink of WCDMA systems using genetic algorithms and the concept of coupling matrix, which is able to capture inter-cell interactions. Simulation ... -
Alternativas de despliegue y asignación de espectro para las redes radio de emergencia de banda ancha
Cerrato, Javier Alonso; Ferrús Ferré, Ramón Antonio; Sallent Roig, José Oriol (2015-07-01)
Article
Open AccessLa definición e implementación de una solución de banda ancha móvil que satisfaga las necesidades operativas de los cuerpos de seguridad pública y de emergencias (PPDR – Public Protection and Disaster Relief) es esencial ... -
Alternativas en el desarrollo de aplicaciones para móviles
Valenzuela González, José Luis; Sallent Roig, José Oriol; Bodas, J; Fernández, Victor (ETSETB UPC, 2000)
Conference report
Open AccessCuando se alcanza la etapa de madurez del mercado GSM, como sería el caso de España, se impulsan nuevos servicios y aplicaciones para móviles, cuyo desarrollo puede fundamentarse en diversas tecnologías. En esta comunicación ... -
An adaptive ISMA-DS/CDMA MAC protocol for third-generation mobile communications systems
Pérez Romero, Jordi; Agustí Comes, Ramon; Sallent Roig, José Oriol (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-11)
Article
Open AccessIn this paper, an inhibit sense multiple access–direct sequence/code division multiple access (ISMA-DS/CDMA) medium access control protocol for a packet transmission mobile radio network is presented. The main feature ... -
An analytical model for multi-tenant radio access networks supporting guaranteed bit rate services
Vilà Muñoz, Irene; Sallent Roig, José Oriol; Umbert Juliana, Anna; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
Article
Open AccessNetwork slicing is a key feature of forthcoming fifth generation (5G) systems to facilitate the partitioning of the network into multiple logical networks customized according to different business and application needs. ... -
An application of reinforcement learning for efficient spectrum usage in next-generation mobile cellular networks
Bernardo Álvarez, Francisco; Agustí Comes, Ramon; Pérez Romero, Jordi; Sallent Roig, José Oriol (2010-07)
Article
Open AccessThis paper proposes reinforcement learning as a foundational stone of a framework for efficient spectrum usage in the context of nextgeneration mobile cellular networks. The objective of the framework is to efficiently use ...