Sökning: "Occupancy sensing"

Hittade 4 uppsatser innehållade orden Occupancy sensing.

  1. 1. Monitoring air quality indicators and energy consumption in Dalarnas Villa during operation of a demand-controlled exhaust ventilation system

    Magister-uppsats, Högskolan Dalarna/Energiteknik

    Författare :Ian Garman; Ahmad Haj Ahmad; [2020]
    Nyckelord :Ventilation; demand control; airflow; frånluft; exhaust; carbon dioxide; CO2; indoor air quality; IAQ; air monitoring; villa; single family house; småhus; energy efficiency;

    Sammanfattning : A real-world study was undertaken of the indoor air quality in a recently-built single family home in central Sweden, to establish whether demand controlled ventilation provided superior interior conditions, when compared with other air supply strategies, including the standard used by the Swedish buildings regulator. The property was highly airtight, with ventilation achieved using a forced exhaust system. LÄS MER

  3. 2. Spectrum sensing based on specialized microcontroller based white space sensors : Measuring spectrum occupancy using a distributed sensor grid

    Master-uppsats, KTH/Radio Systems Laboratory (RS Lab)

    Författare :Julia Alba Tormo Peiró; [2013]
    Nyckelord :Cognitive radio; spectrum sensing; dynamic spectrum access; radio spectrum utilization; Kognitiv radio; spectrum sensing; dynamiskt spektrum tillgång; radiospektrum utnyttjas;

    Sammanfattning : The continuing increase in the adoption and use of wireless technology aggravates the problem of spectrum scarcity due to the way we utilize the spectrum. The radio spectrum is a limited resource regulated by governmental agencies according to a fixed spectrum assignment policy. LÄS MER

  4. 3. Characterizing WLAN Channel Occupancy for Cognitive Networking

    Master-uppsats, KTH/Kommunikationsnät

    Författare :Alexandre Vizcaino Luna; [2012]
    Nyckelord :;

    Sammanfattning : The deployment of heterogeneous wireless networks in the same spectrum space introduces the need for dynamic spectrum access so as to increase the utilization of the available wireless resources. Dynamic spectrum access needs to be controlled in order avoid interference between the users of different systems. LÄS MER

  5. 4. A Meeting Detector to Provide Context to a SIP Proxy

    Master-uppsats, KTH/Kommunikationssystem, CoS

    Författare :Xueliang Ren; [2008]
    Nyckelord :Detector; Sensor; Occupancy sensing; Context; Presence; SIP; SIMPLE; XML; SIP Express Router SER ;

    Sammanfattning : As sensing technology develops, it plays an important role in context-aware systems. Using context information improves the user experience of ubiquitous computing. One use of sensed information is to detect a meeting in progress in an office or a conference room. LÄS MER