Sökning: "Bluetooth"

Visar resultat 1 - 5 av 44 avhandlingar innehållade ordet Bluetooth.

  1. 1. Bluetooth and Wireless Multihop Networks in Industrial Communication Systems

    Detta är en avhandling från Göteborg : Chalmers University of Technology

    Författare :Urban Bilstrup; Högskolan i Halmstad.; [2008]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Information technology Computer engineering; TEKNIKVETENSKAP Informationsteknik Datorteknik; TECHNOLOGY Information technology Telecommunication Datatransmission; TEKNIKVETENSKAP Informationsteknik Telekommunikation Datatransmission; Bluetooth; industrial communication systems; short range devices; wireless multihop networks; wireless sensor networks; real-time communication; resource allocation;

    Sammanfattning : The objective of this thesis is to investigate the use of short-range wireless communication technology in industrial communication systems where there is a need for guaranteed timely delivery of correct information. Methods for achieving such capability are developed in the context of the physical layer, the data link layer and the application layer. LÄS MER

  2. 2. Algorithms and Protocols Enhancing Mobility Support for Wireless Sensor Networks Based on Bluetooth and Zigbee

    Detta är en avhandling från Västerås : Mälardalens högskola

    Författare :Javier García Castaño; Mälardalens högskola.; [2006]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Algorithm; Bluetooth; Mobility; Protocol; Wireless Sensor Network; Zigbee.; TECHNOLOGY Electrical engineering; electronics and photonics Electronics; TEKNIKVETENSKAP Elektroteknik; elektronik och fotonik Elektronik; Elektronik;

    Sammanfattning : Mobile communication systems are experiencing a huge growth. While traditional communication paradigms deal with fixed networks, mobility raises a new set of questions, techniques, and solutions. This work focuses on wireless sensor networks (WSNs) where each node is a mobile device. LÄS MER

  3. 3. Technical Solutions for Internet-based Wireless Sensor Networks in e-Health Applications

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

    Författare :Jonas Wåhslén; KTH.; [2018]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; e-Health; ambient assisted living; Internet of things; wireless body sensor networks; sports technology; Bluetooth; Wi-Fi; time synchronisation; sensor data fusion; mobile phone sensor communication; device-to-device communication; E-hälsa; Internet of things; trådlösa kroppsnära sensornät; idrottste- knologi; Bluetooth; Wi-Fi; tidssynkronisering; dynamisk mjukvaruuppdatering; Teknik och hälsa; Technology and Health;

    Sammanfattning : E-Health technology has developed rapidly in the last decade. Body-worn sen- sors have developed from an idea to a reality. Today, wireless sensors can perform functions from measuring heartbeats to advanced motion recognition. However, the integration of the various available solutions is still lacking. LÄS MER

  4. 4. Towards Predictable and Reliable Wireless Communication in Harsh Environments

    Detta är en avhandling från Mälardalen University

    Författare :Martin Ekström; Mälardalens högskola.; [2013]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wireless; Reliable; predictable; Bluetooth; Zigbee; hardware development; measurements; elektronik; Electronics;

    Sammanfattning : Wireless communication in industrial, scientific and medical applications have several benefits. The main benefits when using wireless technologies include ease-of-deployment, the simplicity to introduce new units into the network and mobility. LÄS MER

  5. 5. Receiver Front-Ends in CMOS with Ultra-Low Power Consumption

    Detta är en avhandling från Department of Electrical and Information Technology, Lund University

    Författare :Carl Bryant; Lunds universitet.; Lund University.; Lunds universitet.; Lund University.; [2013]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; receiver; front-end; sensor networks; CMOS; ultra-low power; low noise amplifier; mixer; voltage-controlled oscillator; frequency divider; bluetooth;

    Sammanfattning : Popular Abstract in Swedish I avhandlingen presenteras delar till radiomottagare med extremt låg effektförbrukning. Detta behövs då dagens samhälle blir allt mer och mer uppkopplat, och detta gäller inte bara persondatorer och mobiltelefoner. LÄS MER