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Ara es mostren els items 58-77 de 78

    • Joint access-backhaul perspective on mobility management in 5G networks 

      Rony, Rakibul Islam; Jain, Akshay; López Aguilera, M. Elena; García Villegas, Eduard; Demirkol, Ilker Seyfettin (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      The ongoing efforts in the research, development and standardization of 5G, by both industry and academia, have resulted in the identification of enablers (Software Defined Networks, Network Function Virtualization, ...

    • Manhattan Project: "El papel de los científicos en el desarrollo de la bomba atómica" 

      López Aguilera, M. Elena; Prado Rodríguez, Daniel; Sastre Serra, Miguel Ángel (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 1999)
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    • Matching theory as enabler of efficient spectrum management in 5G networks 

      Tsirakis, C.; López Aguilera, M. Elena; Agapiou, George; Varoutas, D. (Wiley-Blackwell, 2019-10-24)
      Article
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      This paper analyzes the spectrum trading problem in virtualized fifth generation (5G) networks in order to enhance the network performance with respect to the spectrum utilization. The problem is modeled as a Many-to-Many ...

    • Maximizing Infrastructure Providers' Revenue Through Network Slicing in 5G 

      Vincenzi, Matteo; López Aguilera, M. Elena; García Villegas, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2019-09-09)
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      Adapting to recent trends in mobile communications towards 5G, infrastructure owners are gradually modifying their systems for supporting the network programmability paradigm and for participating in the slice market (i.e., ...

    • Optimization of 5G fronthaul based on functional splitting at PHY layer 

      Rony, Rakibul Islam; López Aguilera, M. Elena; García Villegas, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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      5G is coming with a promise to provide ubiquitous coverage with high data rate availability. To do so, densification of access points to enhance the system capacity is anticipated. For managing such densely populated ...

    • Optimization-oriented RAW modeling of IEEE 802.11ah heterogeneous networks 

      Tian, Le; López Aguilera, M. Elena; García Villegas, Eduard; Tetemke Mehari, Michael; De Poorter, Eli; Steven, Latre; Famaey, Jeroen (2019-09-13)
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      The new medium access method of IEEE 802.11ah, called Restricted Access Window (RAW), divides stations into different groups, and only allows stations in the same group to access the channel simultaneously, in order to ...

    • Outdoor IEEE 802.11g cellular network performance 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep (Institute of Electrical and Electronics Engineers, 2004)
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      Most studies about the performance of IEEE 802.11 are limited to a single cell environment. Nevertheless, the idea of designing an outdoor cellular network based on WLAN IEEE 802.11 is very attractive, due to the several ...

    • Performance enhancement of outdoor IEEE 802.11 cellular networks 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Rojas Espinosa, Alfonso; Cotrina Navau, Josep (ACTA Press, 2005-07)
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      Most studies about the performance of IEEE 802.11 are limited to a single cell environment. Nevertheless, the idea of designing an outdoor cellular network based on WLAN IEEE 802.11 results very attractive, due to the ...

    • Performance enhancement of WLAN IEEE 802.11 for asymmetric traffic 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep; Rojas Espinosa, Alfonso (Institute of Electrical and Electronics Engineers, 2005)
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      Most studies about the performance of IEEE 802.11 consider scenarios of ad-hoc topology and networks where all stations have the same traffic load (symmetric traffic conditions). This paper presents a study of performance ...

    • Performance of wireless LAN access methods in multicell environments 

      López Aguilera, M. Elena; Heusse, Martin; Rousseau, Franck; Duda, Andrzej; Casademont Serra, Jordi (Institute of Electrical and Electronics Engineers, 2006-11)
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      In this paper, we address the issue of evaluating performance of wireless LANs in multicell scenarios. We try to understand the complex behavior of the DCF (Distributed Coordination Function) access method defined in the ...

    • Preventing RLC buffer sojourn delays in 5G 

      Irazabal Bengoa, Mikel; López Aguilera, M. Elena; Demirkol, Ilker Seyfettin; Schmidt, Robert; Nikaein, Navid (Institute of Electrical and Electronics Engineers (IEEE), 2021-03-04)
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      The 3rd Generation Partnership Project (3GPP) is investing a notable effort to mitigate the endogenous stack and protocol delays (e.g., introducing new numerology, through preemptive scheduling or providing uplink granted ...

    • Redes de comunicaciones : de la telefonía móvil a Internet 

      Beltran Sanchidrian, Victòria; Casals Ibáñez, Lluís; Catalán Cid, María Luisa; Catalán Cid, Miguel; García Villegas, Eduard; Gómez Montenegro, Carlos; Hesselbach Serra, Xavier; López Aguilera, M. Elena; Paradells Aspas, Josep; Sánchez Vila, Francisco Javier; Vidal Ferré, Rafael; Calveras Augé, Anna M. (Universitat Politècnica de Catalunya, 2010)
      Llibre
      Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
      Vivimos completamente rodeados por una miríada de dispositivos electrónicos interconectados, que a su vez originan nuevos servicios y nuevas formas de entender y establecer las relaciones sociales. Nuevas palabras y conceptos ...

    • Smart Inclusive University - Posibilidades de las TIC hacia una universidad para todos 

      Vidal Ferré, Rafael; Guasch Murillo, Daniel; Casals Ibáñez, Lluís; García Villegas, Eduard; Gómez Montenegro, Carlos; López Aguilera, M. Elena; Martín Escalona, Israel; Bestraten Castells, Sandra Cinta; Àlvarez Suau, Maria Hortènsia; Nogués Freixas, Cristina (Càtedra d'Accessibilitat de la Universitat Politècnica de Catalunya, 2015-12)
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    • Sobre la justicia en las redes IEEE 802.11e: desincronización de su mecanismo de acceso al medio 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep (Institute of Electrical and Electronics Engineers, 2007-10)
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      Since the advent of the first IEEE 802.11 standard, several papers have proposed means of providing QoS to IEEE 802.11 networks and evaluate various traffic-prioritization mechanisms. Nevertheless, studies on the assignment ...

    • Spectrum trading in virtualized multi-tenant 5G networks 

      Tsirakis, C.; López Aguilera, M. Elena; Matzoros, P.; Agapiou, George; Varoutas, D. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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      In this research work, we analyze the problem of spectrum trading in virtualized multi-tenant 5G networks using principles from matching theory. More specifically, we deal with the matching problem among the Mobile Network ...

    • Study of asymmetric traffic influence on IEEE 802.11 WLAN family, enhancement proposals 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep (Institute of Electrical and Electronics Engineers, 2004-04)
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      This paper is focused on the study of WLAN performance in IEEE 802.11 networks that are in a situation of asymmetric traffic, where the access point (AP) transmits much more than the user stations (US). This situation is ...

    • Timely admission control for network slicing in 5G with machine learning 

      Vincenzi, Matteo; López Aguilera, M. Elena; García Villegas, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2021-09-07)
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      For guaranteeing the strict requirements foreseen for 5G, network slicing has been proposed as a dynamic and scalable mechanism for the allocation of customized resources to service providers. Many solutions have been ...

    • Transmit power control mechanisms in IEEE 802.11 cellular networks 

      López Aguilera, M. Elena; Casademont Serra, Jordi (Association for Computing Machinery, 2006)
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      Actually, Wireless Local Area Networks (WLAN) are being extensively deployed in many places to provide easy access to Internet. Moreover, networks that span large buildings or campuses must comprise multiple cells. ...

    • User association and resource allocation in 5G (AURA-5G): a joint optimization framework 

      Jain, Akshay; López Aguilera, M. Elena; Demirkol, Ilker Seyfettin (2021-06-19)
      Article
      Accés obert
      5G wireless networks will be extremely dense, given the projected increase in the number of users and access points (APs), as well as heterogeneous, given the different types of APs and the applications being accessed by ...

    • Wake-up radio systems for cooperative-intelligent transport systems architecture 

      Casademont Serra, Jordi; López Aguilera, M. Elena; Paradells, Josep (2019)
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      Cooperative-Intelligent Transport systems are new applications developed on top of communications between vehicles and between vehicles and fixed infrastructure. Their architecture envisages devices deployed along the ...