Now showing items 21-40 of 80

    • Dynamic spectrum allocation following machine learning-based traffic predictions in 5G 

      Rony, Rakibul Islam; López Aguilera, M. Elena; García Villegas, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2021-10-22)
      Article
      Open Access
      The popularity of mobile broadband connectivity continues to grow and thus, the future wireless networks are expected to serve a very large number of users demanding a huge capacity. Employing larger spectral bandwidth and ...
    • E-model: an analytical tool for fast adaptation of IEEE 802.11 ah RAW grouping strategies 

      Baños González, Víctor Hugo; López Aguilera, M. Elena; García Villegas, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference lecture
      Restricted access - publisher's policy
      IEEE 802.11ah is an Internet of Things enabling technology, where the efficient management of thousands of devices is a key function. To this aim, IEEE 802.11ah provides the restricted access window (RAW) mechanism, which ...
    • Effect of adjacent-channel interference in IEEE 802.11 WLANs 

      García Villegas, Eduard; López Aguilera, M. Elena; Vidal Ferré, Rafael; Paradells Aspas, Josep (2007-06-03)
      Conference report
      Open Access
      Frequency channels are a scarce resource in the ISM bands used by IEEE 802.11 WLANs. Current radio resource management is often limited to a small number of nonoverlapping channels, which leaves only three possible channels ...
    • Enabling always on service discovery: WI-FI neighbor awareness networking (NAN) 

      Camps Mur, Daniel; García Villegas, Eduard; López Aguilera, M. Elena; Loureiro, Paulo; Lambert, Paul; Raissinia, Ali (2015-04-01)
      Article
      Open Access
      There is untapped potential in the WiFi radios embedded in our smartphone and tablet devices. In this article we introduce the WiFi Neighbor Awareness Networking technology being standardized in the WiFi Alliance (R), which ...
    • Enhanced handover signaling through integrated MME-SDN controller solution 

      Jain, Akshay; López Aguilera, M. Elena; Demirkol, Ilker Seyfettin (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      The future wireless networks are expected to be extremely dense and heterogeneous, with the users experiencing multi-connectivity through the multiple available radio access technologies (RATs). These prevalent characteristics, ...
    • Enhancement proposal for WLAN IEEE 802.11e: desynchronization of its working procedure 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep; Rojas Espinosa, Alfonso (Institute of Electrical and Electronics Engineers, 2005)
      Conference report
      Open Access
      Up to the present, several studies have been performed in order to provide prioritization of stations or classes of service for WLAN IEEE 802.11. The IEEE 802.11e draft specification aims to extend the original IEEE 802.11 ...
    • Evaluación de IEEE 802.11g en un entorno celular exterior 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep (2004-11)
      Conference report
      Open Access
      La mayoría de estudios que se encargan de analizar el comportamiento de IEEE 802.11 se encuentran limitados a entornos unicelulares. Sin embargo, la idea de diseñar una red celular basada en IEEE 802.11 resulta muy ...
    • Evaluating wireless LAN access methods in presence of transmission errors 

      López Aguilera, M. Elena; Heusse, Martin; Rousseau, Franck; Duda, Andrzej; Casademont Serra, Jordi (Institute of Electrical and Electronics Engineers, 2006-04)
      Conference report
      Open Access
      Several modifications of the IEEE 802.11 DCF access method have been proposed recently to improve the performance of wireless LANs. Up to now, such proposals have only been compared under ideal channel conditions. In this ...
    • Evaluation of dynamic sensitivity control algorithm for IEEE 802.11ax 

      Afaqui, Muhammad Shahwaiz; García Villegas, Eduard; López Aguilera, M. Elena; Smith, Graham; Camps Mur, Daniel (2015)
      Conference report
      Restricted access - publisher's policy
      The explosive growth in the usage of IEEE 802.11 network has resulted in dense deployments in diverse environments. Most recently, the IEEE working group has triggered the IEEE 802.11ax project, which aims to amend the ...
    • Evaluation of IEEE 802.11 coexistence in WLAN deployments 

      López Aguilera, M. Elena; García Villegas, Eduard; Casademont Serra, Jordi (Springer, 2017-06-17)
      Article
      Open Access
      Wi-Fi has become a successful technology since the publication of its first WLAN standard due to continuous advances and updates while remaining always backwards compatible. Backwards compatibility among subsequent standards ...
    • Evolutionary 4G/5G network architecture assisted efficient handover signaling 

      Jain, Akshay; López Aguilera, M. Elena; Demirkol, Ilker Seyfettin (Institute of Electrical and Electronics Engineers (IEEE), 2018-12-06)
      Article
      Open Access
      Future wireless networks are expected to be ultra-dense and heterogeneous not just in terms of the number and type of base stations but also in terms of the number of users and the application types they access. Such a ...
    • Final primavera 2018 

      Gómez Montenegro, Carlos; López Aguilera, M. Elena; Zola, Enrica Valeria (Universitat Politècnica de Catalunya, 2018-06-11)
      Exam
      Restricted access to the UPC academic community
    • Final tardor 218 

      Gómez Montenegro, Carlos; López Aguilera, M. Elena; Zola, Enrica Valeria (Universitat Politècnica de Catalunya, 2019-01-16)
      Exam
      Restricted access to the UPC academic community
    • FONAMENTS DE TELEMÀTICA (Examen final, 1r quadrimestre) 

      López Aguilera, M. Elena; Gómez Montenegro, Carlos (Universitat Politècnica de Catalunya, 2024-01-10)
      Exam
      Restricted access - author's decision
    • FONAMENTS DE TELEMÀTICA (Examen parcial, 1r quadrimestre) 

      López Aguilera, M. Elena (Universitat Politècnica de Catalunya, 2023-01-25)
      Exam
      Restricted access - author's decision
    • FONAMENTS DE TELEMÀTICA (Examen parcial, 1r quadrimestre) 

      López Aguilera, M. Elena (Universitat Politècnica de Catalunya, 2022-11-04)
      Exam
      Restricted access - author's decision
    • FONAMENTS DE TELEMÀTICA (Examen parcial, 1r quadrimestre) 

      López Aguilera, M. Elena; Remondo Bueno, David (Universitat Politècnica de Catalunya, 2023-10-30)
      Exam
      Restricted access - author's decision
    • FONAMENTS DE TELEMÀTICA (Examen parcial, 2n quadrimestre) 

      López Aguilera, M. Elena; Gómez Montenegro, Carlos (Universitat Politècnica de Catalunya, 2023-06-19)
      Exam
      Restricted access - author's decision
    • FONAMENTS DE TELEMÀTICA (Examen parcial, 2n quadrimestre) 

      López Aguilera, M. Elena; Gómez Montenegro, Carlos (Universitat Politècnica de Catalunya, 2023-04-11)
      Exam
      Restricted access - author's decision
    • Genetic algorithm-based grouping strategy for IEEE 802.11ah networks 

      García Villegas, Eduard; López García, Alejandro; López Aguilera, M. Elena (Multidisciplinary Digital Publishing Institute (MDPI), 2023-01-12)
      Article
      Open Access
      The IEEE 802.11ah standard is intended to adapt the specifications of IEEE 802.11 to the Internet of Things (IoT) scenario. One of the main features of IEEE 802.11ah consists of the Restricted Access Window (RAW) mechanism, ...