Avancerad sökning

Hittade 5 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Congestion control in wireless cellular networks

    Författare :Sara Landström; Luleå tekniska universitet; []
    Nyckelord :;

    Sammanfattning : Through the introduction of the third generation of mobile cellular network technologies a major step towards a ubiquitious and wireless access to the Internet has been taken. There are however still challenges due to the different characteristics and prerequisites of wired and wireless networks. An important network element is congestion control. LÄS MER

  3. 2. TCP/IP technology for modern network environments

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

    Sammanfattning : To facilitate the merging of wireless access technologies and the traditional Internet, the core protocols for data communication should be robust and have low overhead. In this thesis, we propose refinements to the Transmission Control Protocol (TCP) that improve its cost efficiency over wireless links. LÄS MER

  4. 3. CCTV, Live and Videotapes: How Presentation Mode Affects the Evaluation of Witnesses

    Författare :Sara Landström; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Presentation Mode; Live; Video; Two-way CCTV; Deception Detection;

    Sammanfattning : Videotaped and closed circuit testimonies are often used in legal procedures, but little is known about the psychological effects of these courtroom technologies. The present thesis examines how different presentation modes affect observers’ perception, veracity assessment and memory. LÄS MER

  5. 4. Live and videotaped testimonies: observers´perception, assessment and memory

    Författare :Sara Landström; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Presentation Mode; Deception Detection; Video vs. Live Observers;

    Sammanfattning : This thesis examines how different presentation modes (live vs. video) affect observers’ perception, veracity assessment and memory of adult (Study Ι) and child witnesses (Study ΙΙ). LÄS MER

  7. 5. ‘I don’t even remember anything’ : Optimising the choice of method when interviewing preschoolers

    Författare :Karin Fängström; Anna Sarkadi; Maria Eriksson; Rachel Calam; Steven Lucas; Sara Landström; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; child; interview method; computer-assisted interview; validity; forensic; shy; distress; emotion; Social Medicine; Socialmedicin; Psychology; Psykologi;

    Sammanfattning : There is increasing need and demand in various contexts to take children’s perspectives into account, including the views and opinions of the youngest children. However, listening to the voices of children is a challenging and complex task, and the field is normatively loaded. LÄS MER