Sökning: "Bluetooth performance"

Visar resultat 21 - 25 av 25 avhandlingar innehållade orden Bluetooth performance.

  1. 21. Creating and maintaining topologies in wireless networks

    Författare :Tomas Johansson; Luleå tekniska universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Dependable Communication and Computation Systems; Kommunikations- och beräkningssystem;

    Sammanfattning : Wireless ad-hoc networks differs in many aspects compared to traditional infrastructured networks. Among other things, individual nodes cannot be expected to know the topology of the entire network. LÄS MER

  3. 22. Wideband Active and Passive Antenna Solutions for Handheld Terminals

    Författare :Peter Lindberg; Anders Rydberg; Anders Pers; Nicholas Buris; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Engineering physics; active antennas; impedance matching; dipole antennas; baluns; slot antennas; microstrip antennas; mobile antennas; multifrequency antennas; antenna proximity factors; receiving antennas; ferrite devices; Teknisk fysik;

    Sammanfattning : This thesis presents solutions and studies related to the design of wideband antennas for wireless handheld terminal applications. A method of electrically shortening the terminal chassis length to obtain resonance at high frequencies has been proposed and evaluated, thereby increasing the antennas impedance bandwidth. LÄS MER

  4. 23. Design of Programmable Baseband Processors

    Författare :Eric Tell; Dake Liu; Béatrice Philibert; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; programmable; baseband; application specific; processor; architecture; instruction set; acceleration; software defined radio SDR ; digital signal processing DSP ; Computer engineering; Datorteknik;

    Sammanfattning : The world of wireless communications is under constant change. Radio standards evolve and new standards emerge. More and more functionality is put into wireless terminals. E. LÄS MER

  5. 24. CMOS RF Power Amplifiers for Wireless Communications

    Författare :Jonas Fritzin; Atila Alvandpour; Henrik Sjöland; Linköpings universitet; []
    Nyckelord :TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : The wireless market has experienced a remarkable development and growth since the introduction of the first modern mobile phone systems, with a steady increase in the number of subscribers, new application areas, and higher data rates. As mobile phones and wireless connectivity have become consumer mass markets, the prime goal of the IC manufacturers is to provide low-cost solutions. LÄS MER

  7. 25. Microelectronics for the thumb-size ultrasound measurement system

    Författare :Jonny Johansson; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

    Sammanfattning : This thesis presents building blocks and strategies to reach the goal of a thumb-size autonomous ultrasound measurement system with wireless communication capabilities. The design of modern electronics is based on the possibility to accurately predict system behavior by the use of simulation tools. LÄS MER