Now showing items 1-9 of 9

  • Design, development and performance evaluation of a low-cost, Low-power wake-up radio system for WSN 

    Oller Bosch, Joaquim; Seyfettin Demirkol, Ilker; Casademont Serra, Jordi; Paradells Aspas, Josep (2013-11-01)
    Article
    Restricted access - publisher's policy
    Energy-efficient operation is a challenge for wireless sensor networks (WSNs). A common method employed for this purpose is duty-cycled operation, which extends battery lifetime yet incurs several types of energy wastes ...
  • Energy efficient wireless networking of sensor nodes 

    Seyfettin Demirkol, Ilker; Paradells Aspas, Josep; Oller Bosch, Joaquim; Casademont Serra, Jordi; Calveras Augé, Anna M.; Catalán Cid, María Luisa (2013)
    Conference report
    Open Access
    Wireless sensor networks have paved the way to a new era in user applications, where information can be sensed, processed, and distributed from remote environments with minimal or no human interaction. As the sensor nodes ...
  • IEEE 802.11-enabled wake-up radio system: design and performance evaluation 

    Oller Bosch, Joaquim; García Villegas, Eduard; López Aguilera, M. Elena; Seyfettin Demirkol, Ilker; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard Michael (Institution of Electrical Engineers, 2014-09-25)
    Article
    Open Access
    Today, the vast majority of personal communication devices, such as laptops, smartphones, and logically wireless fidelity (Wi-Fi) access points feature IEEE 802.11 chipsets. In turn, wake-up radio (WuR) systems are used ...
  • Infrastructureless smart cities. Use cases and performance 

    Paradells Aspas, Josep; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Oller Bosch, Joaquim; Catalán Cid, María Luisa (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    Smart cities are a hot topic nowadays for several reasons. For city managers and citizens a smart city is a concept that should allow providing better services and/or with more efficiency. For technicians a smart city ...
  • Networking solutions for connecting bluetooth low energy enabled machines to the internet of things 

    Nieminen, Johanna; Gómez Montenegro, Carlos; Isomaki, Markus; Savolainen, Teemu; Patil, Basavaraj; Shelby, Zach; Oller Bosch, Joaquim (2014-11-01)
    Article
    Restricted access - publisher's policy
    The next wave driving the expansion of the Internet will come from the Internet of Things. Bluetooth LE is a rapidly emerging ultra-low-power radio technology expected to be incorporated in billions of IoT devices in the ...
  • Performance evaluation and comparative analysis of SubCarrier Modulation Wake-up radio systems for energy-efficient wireless sensor networks 

    Oller Bosch, Joaquim; Seyfettin Demirkol, Ilker; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard Michael (2013-12-19)
    Article
    Open Access
    Energy-efficient communication is one of the main concerns of wireless sensor networks nowadays. A commonly employed approach for achieving energy efficiency has been the use of duty-cycled operation of the radio, where ...
  • Performance evaluation and compartive analysis of subcarrier modulation Wake-up radio systems for energy-efficient Wireless Sensor Networks 

    Oller Bosch, Joaquim; Seyfettin Demirkol, Ilker; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard Michael (2014-01)
    Article
    Open Access
    Energy-efficient communication is one of the main concerns of wireless sensor networks nowadays. A commonly employed approach for achieving energy efficiency has been the use of duty-cycled operation of the radio, where ...
  • Time-Knocking: a novel addressing mechanism for wake-up receivers 

    Oller Bosch, Joaquim; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep; Casademont Serra, Jordi; Heinzelman, Wendi (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    Wake-up radios present a promising alternative to traditional duty-cycle approaches, by reducing overhearing and by eliminating idle listening completely. However, energy-efficient operation of the wake-up mechanism is ...
  • Wake-up radio as an energy-efficient alternative to conventional wireless sensor networks MAC protocols 

    Oller Bosch, Joaquim; Seyfettin Demirkol, Ilker; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard (Association for Computing Machinery (ACM), 2013)
    Conference report
    Restricted access - publisher's policy
    The use of duty-cycling in Medium Access Control (MAC) protocols effectively helps improving the energy efficiency of wireless networks. However, while the benefits of these protocols are unquestionable, most of them still ...