Now showing items 21-40 of 46

    • 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 ...
    • Evaluación del impacto de la cooperación universidad-empresa en la docencia de una asignatura de Ingeniería telemática 

      Oller Arcas, Antonio; García Villegas, Eduard; Gallardo Gómez, Antonia; Fuentes, Jorge (2016-12-07)
      Article
      Open Access
      La EETAC (escuela de ingeniería en telecomunicaciones y aerospacial de Castelldefels) es una escuela pionera en la Universidad politécnica por sus metodologías docentes. Este trabajo muestra la experiencia de una colaboración ...
    • 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 ...
    • IEEE 802.11-enabled wake-up radio system: design and performance evaluation 

      Oller Bosch, Joaquim; García Villegas, Eduard; López Aguilera, M. Elena; Seyfettin Demirkol, Ilker; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard Michael (Institution of Electrical Engineers, 2014-09-25)
      Article
      Open Access
      Today, the vast majority of personal communication devices, such as laptops, smartphones, and logically wireless fidelity (Wi-Fi) access points feature IEEE 802.11 chipsets. In turn, wake-up radio (WuR) systems are used ...
    • IEEE 802.11-Enabled Wake-Up Radio: use cases and applications 

      López Aguilera, M. Elena; Seyfettin Demirkol, Ilker; García Villegas, Eduard; Paradells Aspas, Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2019-12-21)
      Article
      Open Access
      IEEE 802.11 is one of the most commonly used radio access technologies, being present in almost all handheld devices with networking capabilities. However, its energy-hungry communication modes are a challenge for the ...
    • IEEE 802.11ah: a technology to face the IoT challenge 

      Baños González, Víctor Hugo; Afaqui, Muhammad Shahwaiz; López Aguilera, M. Elena; García Villegas, Eduard (2016-11-22)
      Article
      Open Access
      Since the conception of the Internet of things (IoT), a large number of promising applications and technologies have been developed, which will change different aspects in our daily life. This paper explores the key ...
    • IEEE 802.11ax: challenges and requirements for future high efficiency wifi 

      Afaqui, Muhammad Shahwaiz; García Villegas, Eduard; López Aguilera, M. Elena (2017-06-01)
      Article
      Open Access
      The popularity of IEEE 802.11 based wireless local area networks (WLANs) has increased significantly in recent years because of their ability to provide increased mobility, flexibility, and ease of use, with reduced cost ...
    • IEEE Wireless LAN capacity in multicell environments with rate adaptation 

      García Villegas, Eduard; López Aguilera, M. Elena; Vidal Ferré, Rafael; Paradells Aspas, Josep (2007-06-16)
      Conference report
      Open Access
      Since the advent of the first IEEE 802.11 standard, many research efforts have been spent on evaluating different aspects of the specification. In this paper, we present a new method to predict the capacity of a multicell ...
    • Joint access-backhaul perspective on mobility management in 5G networks 

      Rony, Rakibul Islam; Jain, Akshay; López Aguilera, M. Elena; García Villegas, Eduard; Seyfettin Demirkol, Ilker (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      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, ...
    • Localización en redes WLAN 802.11: desarrollo e implementación de una solución basada en traps SNMP 

      García Villegas, Eduard; Vidal Ferré, Rafael (Universidad de Las Palmas de Gran Canaria, Servicio de Publicaciones, 2003-09)
      Conference report
      Open Access
      The growth of WLANs and hence, the increase of mobile data terminals, bring about a visible proliferation of location-based services. This scenario also carries the need for location management systems that are device ...
    • 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)
      Article
      Open Access
      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., ...
    • New algorithm for distributed frequency assignments in IEEE 802.11 

      García Villegas, Eduard; Vidal Ferré, Rafael; Paradells Aspas, Josep (2007-02-28)
      Conference report
      Open Access
      The continuous growth of IEEE 802.11 wireless local area networks (WLAN) brings the benefit of a high speed wireless access to packet networks, such as Internet. But it also entails the successive appearance of new ...
    • On the benefits of wireless SDN in networks of constrained edge devices 

      Bestler, August; Quer, Ferran; Campus Mur, Daniel; Seyfettin Demirkol, Ilker; García Villegas, Eduard (2016)
      Conference report
      Restricted access - publisher's policy
      In this paper we study the benefits of applying Software Defined Networking (SDN) to control forwarding in a network of constrained wireless edge devices. The proposed architecture is applicable to dense Small Cell deployments ...
    • 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)
      Conference report
      Open Access
      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)
      Article
      Open Access
      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 ...
    • SENSEFUL: An SDN-based joint access and backhaul coordination for Dense Wi-Fi Small Cells 

      García Villegas, Eduard; Sesto Castilla, David; Zehl, Sven; Zubow, Anatolij; Betzler, August; Camps Mur, Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      Dense Small Cell networks are considered the most effective way to cope with the exponential increase in mobile traffic demand expected for the upcoming years and are one of the foundations of the future 5G. However, novel ...
    • 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)
      Book
      Open Access
    • SODALITE: SDN wireless backhauling for dense 4G/5G Small Cell networks 

      Betzler, August; Camps Mur, Daniel; García Villegas, Eduard; Seyfettin Demirkol, Ilker; Aleixendri, Joan Josep (2019-07-24)
      Article
      Open Access
      Dense deployments of Small Cells are key to fulfill the capacity requirements of future 5G networks. However, two roadblocks to the adoption of Small Cells are i) the limited availability and the cost of sites with wired ...