Enviaments recents

  • A comprehensive survey of V2X cybersecurity mechanisms and future research paths 

    Sedar, Mohottige Roshan Madhusanka; Kalalas, Charalampos; Vazquez Gallego, Francisco; Alonso Zárate, Luis Gonzaga; Alonso Zarate, Jesús (Institute of Electrical and Electronics Engineers (IEEE), 2023-01-26)
    Article
    Accés obert
    Recent advancements in vehicle-to-everything (V2X) communication have notably improved existing transport systems by enabling increased connectivity and driving autonomy levels. The remarkable benefits of V2X connectivity ...
  • PSM-DMO: power save mode and discontinuous BLE mesh operation 

    Hernandez Solana, Angela; Pérez Díaz de Cerio, David; García Lozano, Mario; Valdovinos, Antonio; Valenzuela González, José Luis (2022-08-04)
    Article
    Accés obert
    The Bluetooth Low Energy (BLE) mesh profile, standardized by the Bluetooth Special Interest Group (SIG), has an increasing interest in IoT solutions. However, the standard assumes that relay and friend nodes should be ...
  • On the use of sniffers for spectrum occupancy measurements of Bluetooth low energy primary channels 

    Valenzuela Pérez, Ana; García Lozano, Mario; Valenzuela González, José Luis; Pérez Díaz de Cerio, David; Hernandez Solana, Angela; Valdovinos, Antonio (Elsevier, 2022-08-01)
    Article
    Accés obert
    The methods usually employed to measure channel occupancy show limitations in the context of Bluetooth Low Energy (BLE) advertisements. We propose and analyze the use of BLE sniffers as light and portable low-cost spectrum ...
  • Demand-aware cooperative content caching in 5G/6G networks with MEC-enabled edges 

    Ayenew, Tadege Mihretu; Xenakis, Dionysis; Alonso Zárate, Luis Gonzaga; Passas, Nikos; Merakos, Lazaros (Institute of Electrical and Electronics Engineers (IEEE), 2022-09)
    Article
    Accés obert
    Today, billions of smart devices are interconnected via wireless networks, leading to large volumes of video contents circulating through the bandwidth-limited backhaul. This causes network performance to deteriorate. As ...
  • Energy and cost footprint reduction for 5G and beyond with flexible radio access network 

    Guerra Gómez, Rolando; Ruiz Boqué, Sílvia; García Lozano, Mario; Saeed, Umar (Institute of Electrical and Electronics Engineers (IEEE), 2021-10-15)
    Article
    Accés obert
    This paper focuses on Beyond fifth generation (B5G) non-linear data modeling and decision-making tools to optimize cost reduction versus coverage-QoS trade-off, in other words, the number of active Remote Radio Heads or ...
  • Speeding up bluetooth mesh 

    Pérez Díaz de Cerio, David; Hernandez Solana, Angela; García Lozano, Mario; Valdovinos Bardají, Antonio; Valenzuela González, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
    Article
    Accés obert
    Bluetooth has constantly evolved from its cradle in 1997 to the last 5.2 version in 2020. With each update and amendment, it has gained in speed, range, and versatility. One of the latest introductions was the Bluetooth ...
  • BMADS: BLE mesh asynchronous dynamic scanning 

    Pérez Díaz de Cerio, David; Valenzuela González, José Luis; García Lozano, Mario; Hernandez Solana, Angela; Valdovinos, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2021-02-15)
    Article
    Accés obert
    The Bluetooth low-energy (BLE) mesh profile, currently standardized by the Bluetooth Special Interest Group (SIG), assumes that friend and relay nodes should be continuously scanning the channel ready to receive any incoming ...
  • Bluetooth mesh analysis, issues, and challenges 

    Hernandez Solana, Angela; Pérez Díaz de Cerio, David; García Lozano, Mario; Valdovinos, Antonio; Valenzuela González, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2020-01-01)
    Article
    Accés obert
    BLE is a widely used short-range technology which has gained a relevant position inside the Internet-of-Things (IoT) paradigm development thanks to its simplicity, low-power consumption, low-cost and robustness. New ...
  • Learning-based tracking area list management in 4G and 5G networks 

    Moysen Cortes, Jessica; García Lozano, Mario (2020-08-01)
    Article
    Accés obert
    Mobility management in 5G networks is a very challenging issue. It requires novel ideas and improved management so that signaling is kept minimized and far from congesting the network. Mobile networks have become massive ...
  • Machine learning adaptive computational capacity prediction for dynamic resource management in C-RAN 

    Guerra Gómez, Rolando; Ruiz Boqué, Sílvia; García Lozano, Mario; Olmos Bonafé, Juan José (2020-05-23)
    Article
    Accés obert
    Efficient computational resource management in 5G Cloud Radio Access Network (C-RAN)environments is a challenging problem because it has to account simultaneously for throughput, latency,power efficiency, and optimization ...
  • Delay and energy consumption analysis of frame slotted ALOHA variants for massive data collection in internet-of-things scenarios 

    Vázquez Gallego, Francisco; Tuset Peiro, Pere; Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús (Multidisciplinary Digital Publishing Institute, 2020-01-01)
    Article
    Accés obert
    This paper models and evaluates three FSA-based (Frame Slotted ALOHA) MAC (Medium Access Control) protocols, namely, FSA-ACK (FSA with ACKnowledgements), FSA-FBP (FSA with FeedBack Packets) and DFSA (Dynamic FSA). The ...
  • Energy sharing and trading in multi-operator heterogeneous network deployments 

    Oikonomakou, Maria; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2019-05-01)
    Article
    Accés obert
    With a view to the expected increased data traffic volume and energy consumption of the fifth generation networks, the use of renewable energy (RE) sources and infrastructure sharing have been embraced as energy and ...

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