• BaNa: a noise resilient fundamental frequency detection algorithm for speech and music 

    Yang, Na; Ba, He; Cai, Weiyang; Seyfettin Demirkol, Ilker; Heinzelman, Wendi (2014-08-27)
    Article
    Accés obert
    Fundamental frequency (F0) is one of the essential features in many acoustic related applications. Although numerous F0 detection algorithms have been developed, the detection accuracy in noisy environments still needs ...
  • Passive wake-up radios: from devices to applications 

    Ba, He; Seyfettin Demirkol, Ilker; Heinzelman, Wendi (Elsevier, 2013-11)
    Article
    Accés restringit per política de l'editorial
    Energy efficiency is one of the most important criteria in the design of a wireless sensor network. Sensor nodes are usually battery-powered and thus have very limited lifetime. In this paper, we introduce a novel passive ...
  • Range extension of passive wake-up radio systems through energy harvesting 

    Chen, Li; Cool, Stephen; Ba, He; Heinzelman, Wendi; Seyfettin Demirkol, Ilker; Muncuk, Ufuk; Chowdhury, Kaushik Roy; Basagni, Stefano (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Use of a passive wake-up radio can drastically increase the network lifetime in a sensor network by reducing or even completely eliminating unnecessary idle listening. A sensor node with a wake-up radio receiver (WuRx) can ...