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Ara es mostren els items 52-71 de 112

    • Improving soft frequency reuse for realistic OFDMA-based cellular deployments 

      González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Lee, DongSeop (Institute of Electrical and Electronics Engineers (IEEE), 2012)
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      Effective interference management is a technical challenge of utmost importance for emerging OFDMA-based technologies such as Long Term Evolution (LTE) and Worldwide Interoperability for Microwave Access (WiMAX). Static ...

    • Intercell interference coordination for control channels in LTE and LTE-A: an optimization scheme based on evolutionary algorithms 

      González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia (2017-04)
      Article
      Accés restringit per política de l'editorial
      Intercell Interference Coordination (ICIC) encompasses techniques aiming at reducing the intercell interference at cell edges, an issue affecting not only data but also control channels in Long Term Evolution (LTE) and ...

    • Intercell interference coordination for the ePDCCH in LTE-advanced macrocellular deployments 

      González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia (2013)
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      Abstract—This paper investigates several schemes to improve the performance of the enhanced Physical Downlink Control Channel (ePDCCH) in Long Term Evolution Advanced (LTEA) networks by means of Intercell Interference ...

    • Interference coordination method for CSI improvement in LTE uplink with carrier aggregation 

      Lema Rosas, María Ángel; García Lozano, Mario; Ruiz Boqué, Sílvia (Institute of Electrical and Electronics Engineers (IEEE), 2015)
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      Carrier Aggregation is an important feature in Long Term Evolution Advanced (LTE-A). It allows operators to provide larger operational bandwidths without the need of having a contiguous, large piece of spectrum. However, ...

    • Interoperability and sensor communications in Help4Mood: Personal monitoring system to support the treatment of depression 

      Estevez Cruz, Soraya; Aragones, Carlos; Pérez Díaz de Cerio, David; Ruiz Boqué, Sílvia (IADIS Press, 2013)
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      Help4Mood aims to develop a platform to support the treatment of people with depression in their own home. Depression is one of the main causes of disability worldwide. For depression, it is essential to have a continuous ...

    • Introduction of MPR information for enhanced multi-cluster scheduling in LTE-A uplink 

      Lema Rosas, María Ángel; García Lozano, Mario; Ruiz Boqué, Sílvia; González González, David (2013)
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      Against previous Long Term Evolution (LTE) re-leases, LTE-Advanced (LTE-A) allows the use of non-contiguous resource allocation in the uplink (UL). This feature leads to an increase in spectral efficiency thanks to link ...

    • La evaluación en PBL: un caso práctico 

      García Lozano, Mario; Pérez Díaz de Cerio, David; Valenzuela González, José Luis; Gelonch Bosch, Antonio José; Alonso Zárate, Luis Gonzaga; Ruiz Boqué, Sílvia (2008)
      Text en actes de congrés
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      Las ventajas de estructurar una asignatura, un conjunto o incluso todo un plan de estudios mediante Aprendizaje Basado en Proyectos (PBL) han sido ampliamente expuestas de forma teórica y práctica ...

    • La prueba piloto de adaptación al EEES en la Escuela Politécnica Superior de Castelldefels 

      Alonso Zárate, Luis Gonzaga; Collado Gómez, Juan Carlos; Hernández Marco, Jordi; Ruiz Boqué, Sílvia; Valero García, Miguel (Universidad Jaume I, 2008)
      Comunicació de congrés
      Accés obert
      La prueba piloto de adaptación al EEES que se ha llevado a cabo en la Escuela Politécnica Superior de Castelldefels entre 2004 y 2007 ha motivado una importante actividad innovadora que nos ha permitido extraer numerosas ...

    • Laser noise impact in the design of an heterodyne optical PSK receiver 

      Ruiz Boqué, Sílvia; Junyent Giralt, Gabriel (1989)
      Text en actes de congrés
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      An evaluation of the performance of a coherent optical receiver for binary PSK (phase-shift keying) is carried out. Both AM and FM noise due to transmitter and local oscillator semiconductor lasers have been taken into ...

    • Link abstraction models based on mutual information for LTE downlink 

      Olmos Bonafé, Juan José; Ruiz Boqué, Sílvia; García Lozano, Mario; Martín Sacristán, David (2010-06-02)
      Comunicació de congrés
      Accés obert

    • Link and system level simulation of downlink LTE 

      González González, David; Ruiz Boqué, Sílvia; Olmos Bonafé, Juan José; García Lozano, Mario; Serra, Albert (2009-02-28)
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      3GPP LTE is the evolution of the UMTS which will make possible to deliver next generation high quality multimedia services according to the users’ expectations. Since Radio Resource Management (RRM) has been recognized as ...

    • Link level simulator for LTE downlink 

      Olmos Bonafé, Juan José; Serra, Albert; Ruiz Boqué, Sílvia; García Lozano, Mario; González González, David (COST, 2009-02-28)
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      3GPP LTE is the evolution of UMTS which will make possible to deliver next generation high quality multimedia services according to the users’ expectations. The flexibility of the downlink OFDM radio interface with Adaptive ...

    • LTE UL power control evaluation in a system level simulator for synthetic and realistic scenarios 

      Lema, Maria A.; García Lozano, Mario; Ruiz Boqué, Sílvia; Olmos Bonafé, Juan José; Pérez Díaz de Cerio, David (2011)
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      The research involved in this study comprises the analysis of the impact of the power control algorithm and its performance in the system level. Following our work in TD 01040, the LTE system level simulator has been ...

    • Machine learning adaptive computational capacity prediction for dynamic resource management in C-RAN 

      Guerra Gómez, Rolando; Ruiz Boqué, Sílvia; García Lozano, Mario; Olmos Bonafé, Juan José (2020-05-23)
      Article
      Accés obert
      Efficient computational resource management in 5G Cloud Radio Access Network (C-RAN)environments is a challenging problem because it has to account simultaneously for throughput, latency,power efficiency, and optimization ...

    • Machine learning techniques applied to multiband spectrum sensing in cognitive radios 

      Molina Tenorio, Yanqueleth; Prieto Guerrero, Alfonso; Aguilar Gomez, Rafael; Ruiz Boqué, Sílvia (Multidisciplinary Digital Publishing Institute (MDPI), 2019-10-30)
      Article
      Accés obert
      In this work, three specific machine learning techniques (neural networks, expectation maximization and k-means) are applied to a multiband spectrum sensing technique for cognitive radios. All of them have been used as a ...

    • Machine-learning based traffic forecasting for resource management in C-RAN 

      Guerra Gómez, Rolando; Ruiz Boqué, Sílvia; García Lozano, Mario; Olmos Bonafé, Juan José (Institute of Electrical and Electronics Engineers (IEEE), 2020)
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      The assumption of a fixed computational capacityat the Baseband Unit (BBU) pools in a Cloud Radio Access Network (C-RAN) deployment results in underutilized resourcesor unsatisfied users depending on ...

    • Measurement-based LoS/NLoS channel modeling for hot-spot urban scenarios in UMTS networks 

      Chen, Jiajing; Yin, Xuefeng; Tian, Li; Zhang, Nan; He, Yonguy; Cheng, Xiang; Duan, Weiming; Ruiz Boqué, Sílvia (2014-08-17)
      Article
      Accés obert
      A measurement campaign is introduced for modeling radio channels with either line-of-sight (LoS) or non-line-of-sight (NLoS) connection between user equipment (UE) and NodeB (NB) in an operating universal mobile ...

    • Measurement-based LoS/NLoS channel modeling for hot-spot urban scenarios in UMTS networks 

      Chen, Jiajing; Yin, Xuefeng; Tian, Li; Zhang, Nan; He, Yonguy; Cheng, Xiang; Duan, Weiming; Ruiz Boqué, Sílvia (2014)
      Text en actes de congrés
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      In this contribution, a measurement campaign is introduced for modeling radio channels with either Line-of-Sight (LoS) or Non-Line-of-Sight (NLoS) connection between a user equipment (UE) and a NodeB (NB) in an operating ...

    • Metaheuristic proposal to minimize self-interference in single frequency networks 

      García Lozano, Mario; Ruiz Boqué, Sílvia; Lema, Maria A.; Torras, Evelyn; Olmos Bonafé, Juan José; Minerva, Flaminio (2010-06-02)
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    • MPR-aware scheduler for carrier aggregation transmissions in LTE uplink 

      Lema Rosas, María Ángel; García Lozano, Mario; Ruiz Boqué, Sílvia (2015-09-01)
      Article
      Accés obert
      Unlike previous Long Term Evolution (LTE) releases, LTE - Advanced (LTE-A) allows the use of non-contiguous resource allocation in the uplink (UL). This feature leads to increase the spectral efficiency thanks to link ...