Now showing items 1-20 of 41

  • Access-aware backhaul optimization in 5G 

    Rony, Rakibul Islam; López Aguilera, M. Elena; García Villegas, Eduard (Association for Computing Machinery (ACM), 2018)
    Conference report
    Open Access
    Aggressive demand of future access network services is being translated into the stringent requirement on future backhaul infrastructure. It is not possible to take the backhaul resources for granted anymore; rather, more ...
  • Análisis del protocolo IEEE 802.11b en un entorno celular 

    López Aguilera, M. Elena; Casademont Serra, Jordi; Rojas Espinosa, Alfonso (Universidad de Las Palmas de Gran Canaria, Servicio de Publicaciones, 2003)
    Conference report
    Open Access
    In this paper we present an analysis of the protocol IEEE 802.11b in different environments. Its performance in an indoor environment is evaluated, in terms of throughput and transmission delay, and the influence of the ...
  • An alternative to IEEE 802.11ba: wake-up radio with legacy IEEE 802.11 transmitters 

    Cervià Caballé, Martí; Calveras Augé, Anna M.; López Aguilera, M. Elena; García Villegas, Eduard; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2019-04-09)
    Article
    Open Access
    Current standardization process for Wake-up Radio (WuR) within the IEEE 802.11 Working Group, known as the IEEE 802.11ba, has brought interest to the IEEE 802.11-related technologies for the implementation of WuR systems. ...
  • A novel cheater and jammer detection scheme for IEEE 802.11-based wireless LANs 

    García Villegas, Eduard; Afaqui, Muhammad Shahwaiz Iqbal; López Aguilera, M. Elena (2015-07-05)
    Article
    Open Access
    The proliferation of IEEE 802.11 networks has made them an easy and attractive target for malicious devices/adversaries which intend to misuse the available network. In this paper, we introduce a novel malicious entity ...
  • A study on the influence of transmission errors on WLAN 802.11 MAC performance 

    López Aguilera, M. Elena; Casademont Serra, Jordi; García Villegas, Eduard (2010)
    Article
    Restricted access - publisher's policy
    Since the advent of the first IEEE 802.11 standard for WLANs, several papers have been presented that evaluate the IEEE 802.11 DCF access method. In realistic WLAN environments frame errors usually occur due to non-ideal ...
  • A transmit power control proposal for IEEE 802.11 cellular networks 

    López Aguilera, M. Elena; Casademont Serra, Jordi (Institute of Electrical and Electronics Engineers, 2006-05)
    Conference report
    Open Access
    Actually, the idea of designing an outdoor cellular network based on WLAN IEEE 802.11 results very attractive, due to the several advantages that this technology presents. It offers the equipment at a lower cost, operates ...
  • Channel access unfairness of wireless LAN access methods 

    López Aguilera, M. Elena; Heusse, Martin; Rousseau, Franck; Duda, Andrzej; Casademont Serra, Jordi (Institute of Electrical and Electronics Engineers, 2006-06)
    Conference report
    Open Access
    In this paper, we present an evaluation of chosen wireless LAN access methods involving stations with different bit error rates: n - 1 stations in ideal transmission conditions (BER = 0) and 1 station with a given bit error ...
  • Cooperative spectrum sharing in 5G access and backhaul networks 

    Rony, Rakibul Islam; López Aguilera, M. Elena; García Villegas, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Stringent demands for a continuous evolution of cellular networks push today academic and industrial researchers to re-think backhaul solutions for 5G. In one hand, wireless backhaul solutions are cost effective and easy ...
  • Detecting and mitigating the impact of wideband jammers in IEEE 802.11 WLANs 

    García Villegas, Eduard; Gómez, Moisés; López Aguilera, M. Elena; Casademont Serra, Jordi (2010)
    Conference report
    Open Access
    IEEE 802.11 Wireless LANs (WLANs) are highly sensitive to Denial of Service (DoS) attacks carried out with jamming devices. In this paper we focus on 2.4GHz wideband constant jammers. The interest in the wideband jammer ...
  • Dynamic sensitivity control algorithm leveraging adaptive RTS/CTS for IEEE 802.11ax 

    Afaqui, Muhammad Shahwaiz Iqbal; García Villegas, Eduard; López Aguilera, M. Elena (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    The need for higher data rates and improved coverage has led to massive and uncoordinated deployments of IEEE 802.11 based WLAN Access Points in geographically limited areas that has resulted in increased interference with ...
  • Dynamic sensitivity control of access points for IEEE 802.11ax 

    Afaqui, Muhammad Shahwaiz Iqbal; García Villegas, Eduard; López Aguilera, M. Elena; Campus Mur, Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    The popularity and wider acceptance of IEEE 802.11 based WLANs has resulted in their dense deployments in diverse environments. While this massive deployment can potentially increase capacity and coverage, the current physical ...
  • 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; Seyfettin Demirkol, Ilker (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 Iqbal; 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; Seyfettin Demirkol, Ilker (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 ...