Now showing items 1-20 of 52

    • A novel cheater and jammer detection scheme for IEEE 802.11-based wireless LANs 

      García Villegas, Eduard; Afaqui, Muhammad Shahwaiz; 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 ...
    • 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 ...
    • Active queue management as quality of service enabler for 5G networks 

      Irazabal Bengoa, Mikel; López Aguilera, M. Elena; Seyfettin Demirkol, Ilker (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      5G is envisioned as the key technology for guaranteeing low-latency wireless services. Packets will be marked with QoS Flow Indicators (QFI) for different forwarding treatment. 3GPP defines the end-to-end delay limits, but ...
    • 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. ...
    • 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 ...
    • Apunts d'Internet de les coses i IP UBIC 

      García Villegas, Eduard; López Aguilera, M. Elena (Universitat Politècnica de Catalunya, 2015)
      Lecture notes
      Open Access
    • Are mobility management solutions ready for 5G and beyond? 

      Jain, Akshay; López Aguilera, M. Elena; Seyfettin Demirkol, Ilker (Elsevier, 2020-09-01)
      Article
      Restricted access - publisher's policy
      Enabling users to move to different geographical locations within a network and still be able to maintain their connectivity and most essentially, continuity of service, is what makes any wireless network ubiquitous. Whilst ...
    • 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
      Open Access
      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 ...
    • Design and implementation of a Wake-up Radio receiver for fast 250 kbps bit rate 

      López Aguilera, M. Elena; Hussein, Maison; Cervià Caballé, Martí; Paradells Aspas, Josep; Calveras Augé, Anna M. (2019-12)
      Article
      Open Access
      Wake-up radio (WuR) systems have appeared as a solution for reducing power consumption. As IEEE 802.11 is the preferred radio technology, IEEE 802.11 task group TGba focuses on the IEEE 802.11-based WuR standardization. ...
    • 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; 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; 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 ...