Sökning: "IEEE 802.15.4"

Visar resultat 1 - 5 av 15 avhandlingar innehållade orden IEEE 802.15.4.

  1. 1. Architectures and Protocols for Performance Improvements of Real-Time Networks

    Författare :Kristina Kunert; Magnus Jonsson; Elisabeth Uhlemann; Eduardo Tovar; Högskolan i Halmstad; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Real-time communication; predictable deadline guarantees; real-time scheduling analysis; timing analysis; admission control; deterministic medium access; MAC; Quality of Service parameters; reliability; redundancy; retransmission scheme; ARQ; truncated ARQ; Automatic Repeat Request; wireless networks; IEEE 802.11; IEEE 802.15.4; fibre-optic networks; AWG; multichannel networks; industrial communications; embedded systems; Computer engineering; Datorteknik;

    Sammanfattning : When designing architectures and protocols for data traffic requiring real-time services, one of the major design goals is to guarantee that traffic deadlines can be met. However, many real-time applications also have additional requirements such as high throughput, high reliability, or energy efficiency. LÄS MER

  3. 2. Adaptive and Resource-Efficient Systems for the Internet of Things

    Författare :Laura Harms; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Time-Synchronization; Routing; Opportunistic Routing; Industrial Internet of Things; Bluetooth Low Energy; Internet of Things; IEEE 802.15.4; TinyML; IIoT; TSCH; Centralized Scheduling; BLE; Time-Slotted Channel Hopping; IoT; Synchronous Transmissions;

    Sammanfattning : With the growing number of Internet of Things (IoT) devices and the emergence of the Industrial Internet of Things (IIoT), there is a growing demand for adaptive and resource-efficient wireless communication protocols and systems. Industrial networks play a crucial role in monitoring pipelines and facilitating communication among collaborating devices, such as robots in a smart factory. LÄS MER

  4. 3. Design, Implementation and Validation of Resource-Aware and Resilient Wireless Networked Control Systems

    Författare :José Araújo; Karl H. Johansson; Jan Lunze; KTH; []
    Nyckelord :wireless networked control systems; NCS; wireless communications; control; distributed reconfiguration; resilient; fault-tolerant control; IEEE 802.15.4; resource-aware; WNCS; aperiodic control; event-triggered; self-triggered; event-based; co-simulator; estimation; GISOO; MAC; scheduling; routing; RPL; delay; out-of-order communications; CPS; Cyber Physical Systems; Wireless Cyber Physical Systems; Wireless Cyber Physical Control Systems; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Networked control over wireless networks is of growing importance in many application domains such as industrial control, building automation and transportation systems. Wide deployment however, requires systematic design tools to enable efficient resource usage while guaranteeing close-loop control performance. LÄS MER

  5. 4. Long-Term Stable Communication in Centrally Scheduled Low-Power Wireless Networks

    Författare :Oliver Harms; Christian-Albrechts-Universität zu Kiel; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Synchronous Transmissions; IEEE 802.15.4; WSN; Opportunistic Routing; Time-Slotted Channel Hopping TSCH ; Industrial Internet of Things; Routing; Central Scheduling; Wireless Sensor-Actuator Networks; IoT;

    Sammanfattning : With the emergence of the Internet of Things (IoT), more devices are connected than ever before. Most of these communicate wirelessly, forming Wireless Sensor Networks. In recent years, there has been a shift from personal networks, like Smart Home, to industrial networks. LÄS MER

  7. 5. Protocol Design for Control Applications using Wireless Sensor Networks

    Författare :Pangun Park; Karl Henrik Johansson; Anna Scaglione; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; Elektroteknik;

    Sammanfattning : Given the potential benefits offered by wireless sensor networks(WSNs), they are becoming an appealing technology for process,manufacturing, and industrial control applications. In thisthesis, we propose a novel approach to WSN protocol design forcontrol applications. LÄS MER