Exploració per autor "Afaqui, Muhammad Shahwaiz"Més informació

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    • 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
      Accés obert
      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 ...

    • Contributions to the evolution of next generation WLANs 

      Afaqui, Muhammad Shahwaiz (Universitat Politècnica de Catalunya, 2017-06-28)
      Tesi
      Accés obert
      The explosive growth in usage of IEEE 802.11 based WLAN networks has resulted in dense deployments in diverse environments and has made the concept of anytime - anywhere data connectivity a realm of commercial reality. The ...

    • Designing a 3GPP NB-IoT NTN service for CubeSats in low density constellations 

      Guadalupi, Marco; Ferrer, Josep; Ferrús Ferré, Ramón Antonio; Llorens Aymerich, Isaac; González Muiño, Alberto; Mañero Contreras, Alberto; Brandborg Sørensen, Reneé; Krogh Moeller, Henrik; Calveras Augé, Anna M.; Kellermann, Timo; Afaqui, Muhammad Shahwaiz (International Astronautical Federation, 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The 3rd Generation Partnership Project (3GPP), the standard development organization in charge of the 5G mobile system specifications, is currently developing the adaption of the NB-IoT protocol for non-terrestrial networks ...

    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • 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
      Accés obert
      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
      Accés obert
      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 ...

    • Throughput and range characterization of IEEE 802.11ah 

      Baños González, Víctor Hugo; Afaqui, Muhammad Shahwaiz; López, Elena; García Villegas, Eduard (2017-08-23)
      Article
      Accés obert
      The most essential part of Internet of Things (IoT) infrastructure is the wireless communication system that acts as a bridge for the delivery of data and control messages. However, the existing wireless technologies lack ...