Sökning: "Low-power Wireless Networks"

Visar resultat 1 - 5 av 46 avhandlingar innehållade orden Low-power Wireless Networks.

  1. 1. Synchronous Protocols for Low-Power Wireless: Towards Reliable and Low-Latency Autonomous Networking for the Internet of Things and Wireless Sensor Networks

    Detta är en avhandling från Gothenburg : Chalmers tekniska högskola

    Författare :Beshr Al Nahas; [2017]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Dependability; Low-power; wireless networks; Industrial Internet of Things; wireless communications; high reliability; low latency; WSN; IoT;

    Sammanfattning : With the emergence of the Internet of Things, autonomous vehicles and the Industry 4.0, the need for reliable yet dynamic connectivity solutions is arising.Many of these applications build their operation on distributed consensus. LÄS MER

  2. 2. Improving Low-Power Wireless Protocols with Timing-Accurate Simulation

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Fredrik Österlind; Uppsala universitet.; Uppsala universitet.; SICS.; [2011]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Datavetenskap med inriktning mot datorkommunikation; Computer Science with specialization in Computer Communication; Low-Power Wireless Protocols; Wireless Sensor Networks; Contiki; Cooja; Simulation;

    Sammanfattning : Low-power wireless technology enables numerous applications in areas from environmental monitoring and smart cities, to healthcare and recycling. But resource-constraints and the distributed nature of applications make low-power wireless networks difficult to develop and understand, resulting in increased development time, poor performance, software bugs, or even network failures. LÄS MER

  3. 3. Mobility and Multi-channel Communications in Low-power Wireless Networks

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :António Gonga; KTH.; [2015]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mobility; Multi-channel communications; Neighbor Discovery; MAC Protocols; Low-power Wireless Networks; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : The prospect of replacing existing fixed networks with cheap, flexible and evenmobile low-power wireless network has been a strong research driver in recent years.However, many challenges still exist: reliability is hampered by unstable and burstycommunication links; the wireless medium is getting congested by an increasingnumber of wireless devices; and life-times are limited due to difficulties in developingefficient duty-cycling mechanisms. LÄS MER

  4. 4. Low Power Wireless Technologies for IIoT : Analysis and enhancement of communication delay, reliability and scalability

    Detta är en avhandling från Sundsvall : Mid Sweden University

    Författare :Raúl Rondón; Mittuniversitetet.; [2019]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : In recent years, the implementation of wireless communication systems in industrial environments has significantly increased. As a result, new applications such as Industrial Internet-of-Things (IIoT) have arisen, reshaping the future of industrial automation. LÄS MER

  5. 5. Robustness in low power wide area networks

    Detta är en avhandling från Uppsala University

    Författare :Charalampos Orfanidis; Uppsala universitet.; Uppsala universitet.; [2018]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Computer Science with specialization in Computer Communication; Datavetenskap med inriktning mot datorkommunikation;

    Sammanfattning : During the past few years we have witnessed an emergence of Wide Area Networks in the Internet of Things area. There are several new technologies like LoRa, Wi-SUN, Sigfox, that offer long range communication and low power for low-bitrate applications. LÄS MER