Browsing by Author "García Villegas, Eduard"Més informacióMés informació

Now showing items 1-20 of 63

    • 5G transport network requirements for the next generation fronthaul interface 

      Bartelt, Jens; Vucic, Nikola; Camps Mur, Daniel; García Villegas, Eduard; Demirkol, Ilker Seyfettin; Fehske, Albrecht; Grieger, Michael; Tzanakaki, Anna; Gutiérrez Terán, Jesús; Grass, Eckhard; Lyberopoulos, George; Fettweis, Gerhard (2017-05-15)
      Article
      Open Access
      To meet the requirements of 5G mobile networks, several radio access technologies, such as millimeter wave communications and massive MIMO, are being proposed. In addition, cloud radio access network (C-RAN) architectures ...

    • 5G-XHaul: a converged optical and wireless solution for 5G transport networks 

      Gutiérrez Terán, Jesús; Maletic, Nebojsa; Camps Mur, Daniel; García Villegas, Eduard; Berberana, Ignacio; Anastasopoulos, Markos; Tzanakaki, Anna; Kalokidou, Vaia; Flegkas, Paris; Syrivelis, Dimitris; Korakis, Thanasis; Legg, Peter; Markovic, Dusan; Limperopoulos, George; Bartelt, Jens; Chaudhary, Jay Kant; Grieger, Michael; Vucic, Nikola; Zou, Jim; Grass, Eckhard (Wiley-Blackwell, 2016-07-08)
      Article
      Open Access
      The common European Information and Communications Technology sector vision for 5G is that it should leverage on the strengths of both optical and wireless technologies. In the 5G context, a wide spectra of radio access ...

    • 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 practical framework for 802.11 MIMO rate adaptation 

      Deek, Lara; García Villegas, Eduard; Belding, Elizabeth; Lee, Sung-Ju; Almeroth, Kevin (2015-06-04)
      Article
      Open Access
      The emergence of MIMO antennas and channel bonding in 802.11n wireless networks has resulted in a huge leap in capacity compared with legacy 802.11 systems. This leap, however, adds complexity to optimizing transmission. ...

    • 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 ...

    • 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 ...

    • Achievable bandwidth estimation for stations in multi-rate IEEE 802.11 WLAN cells 

      García Villegas, Eduard; Viamonte Solé, David; Vidal Ferré, Rafael; Paradells Aspas, Josep (2007-04-16)
      Conference report
      Open Access
      This paper analyzes the effect of multi-rate transmissions in a CSMA wireless LAN environment. Observations in a real testbed showed that bandwidth resources (in Bytes/s) are shared fairly among all stations even though ...

    • 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; Demirkol, Ilker Seyfettin; 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. ...

    • An extension to 11ba: legacy IEEE 802.11 transmitter solution for 802.11ba receivers 

      Cervià Caballé, Martí; Calveras Augé, Anna M.; García Villegas, Eduard; López Aguilera, M. Elena; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (2019-01-15)
      Research report
      Open Access

    • 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

    • Available Admission Capacity Estimations in IEEE 802.11 Access Points 

      García Villegas, Eduard (2008-04-01)
      Research report
      Open Access
      This technical report is intended to provide extended information about the Available Admission Capacity estimation mechanism for IEEE 802.11 cells previously presented. The original formulation has been revised in this ...

    • Bandwidth-Based Wake-Up Radio solution through IEEE 802.11 technology 

      López Aguilera, M. Elena; García Villegas, Eduard (Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-16)
      Article
      Open Access
      IEEE 802.11 consists of one of the most used wireless access technologies, which can be found in almost all consumer electronics devices available. Recently, Wake-up Radio (WuR) systems have emerged as a solution for ...

    • C-SLA-MLO: enhancing SLA compliance in industrial Wi-Fi through cooperative multilink operation 

      Kumar, Suneel; Camps Mur, Daniel; García Villegas, Eduard (Elsevier, 2024-06-27)
      Article
      Open Access
      In the dynamic landscape of Industry 4.0, robust wireless connectivity emerges as a critical enabler for Industrial Internet of Things (IIoT) applications. With the advent of Wi-Fi 7’s multilink operation (MLO), the demand ...

    • Channel management in a campus-wide WLAN with partially overlapping channels 

      Mengual Pérez, Ester; García Villegas, Eduard; Vidal Ferré, Rafael (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference lecture
      Restricted access - publisher's policy
      The 2.4 GHz ISM band is a battlefield where an increasingly large number of devices compete for the scarce frequency resources. IEEE 802.11 WLANs suffer the consequences of this overcrowded spectrum, especially in dense ...

    • Competition: interference-aware multi-channel cross layer protocol for energy-efficient and low-delay networking 

      Sierra Aiello, Guillermo; Demirkol, Ilker Seyfettin; Calveras Augé, Anna M.; Gómez Montenegro, Carlos; García Villegas, Eduard; Betzler, August (Association for Computing Machinery (ACM), 2016)
      Conference lecture
      Restricted access - publisher's policy
      This document aims to present the general ideas and methodology that are planned to be used for the EWSN 2016 Dependability Competition by the Wireless Networks Group of Universitat Politecnica de Catalunya. We designed, ...

    • Cooperative Load Balancing in IEEE 802.11 Networks with Cell Breathing 

      García Villegas, Eduard; Vidal Ferré, Rafael; Paradells Aspas, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2008-07-06)
      Conference report
      Open Access
      IEEE 802.11 WLANs (Wi-Fi) are widely deployed for providing Internet access in public spaces, known as Hot Spots. In these scenarios, users tend to be "gregarious” and essentially static. Since association and roaming ...

    • 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 ...

    • Cost analysis of 5G fronthaul networks through functional splits at the PHY layer in a capacity and cost limited scenario 

      Rony, Rakibul Islam; López Aguilera, M. Elena; García Villegas, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-06)
      Article
      Open Access
      The expected growth in carried traffic and the added complexity of different deployment approaches (distributed vs. centralized), showing different requirements, make transport network one of the main design challenges in ...

    • Creating digital awareness 

      Vidal Ferré, Rafael; Alcober Segura, Jesús Ángel; Cervelló Pastor, Cristina; Fernández Ferré, Mª Teresa; García Villegas, Eduard; Yúfera Gomez, José Manuel (2021)
      Conference report
      Open Access
      As a result of the world’s population being much more digitally connected, it is increasingly relevant to acquire an adequate level of digital awareness. For this reason, the objective of this work is to introduce the ...

    • Deploying large-scale IEEE802.11 networks using IP paging with link-specific capabilities : a standard compliant approach and its performance analysis 

      Vidal Ferré, Rafael; García Villegas, Eduard; Paradells Aspas, Josep (2010-03-18)
      Article
      Restricted access - publisher's policy
      IEEE802.11 is a layer two technology that offers limitedmobility support. It suffers from scalability problems caused by the performance of the mechanisms related to the address resolution and the discovery and maintenance ...