Sökning: "Multimedia systems"

Visar resultat 1 - 5 av 62 avhandlingar innehållade orden Multimedia systems.

  1. 1. Multimediautveckling : Belysning av fyra kunskapsområden med en fördjupning i explorativt kravarbete

    Författare :Lennart Molin; John Sören Pettersson; Bengt Sandblad; Karlstads universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Multimedia development; multimedia product; requirements activities; interaction requirements; Ozlab prototyping; multimediautveckling; multimediaprodukt; kravarbete; interaktionskrav; Informatics; Informatik; Information Systems; Informatik;

    Sammanfattning : This thesis reports on two studies in the field of multimedia. The older one, completed in 2002, has as a general aim to explore, describe and analyse the concept of multimedia in relation to the concept of information systems. LÄS MER

  3. 2. Mobile Multimedia Multicasting in Future Wireless Systems : A Hybrid Cellular-Broadcasting System Approach

    Författare :Aurelian Bria; Jens Zander; Ralf Tönjes; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; 3G; DVB-H; wireless; multicasting; multimedia; broadcasting; Telecommunication; Telekommunikation;

    Sammanfattning : This dissertation addresses the problem of providing a®ordable mobile mul-timedia services in wide area wireless networks. The approach is to con-sider novel system architectures, based on reusing and sharing of the ex-isting network infrastructure for cellular and terrestrial TV broadcastingsystems. LÄS MER

  4. 3. A Holistic View of QoE for Multimedia Streaming

    Författare :Omer Nawaz; Markus Fiedler; Siamak Khatibi; Mirko Sužnjević; Blekinge Tekniska Högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; QoE metrics; Video quality assessments; AVC performance; mobile codecs efficiency; QoE IFs; Telekommunikationssystem; Telecommunication Systems;

    Sammanfattning : Internet access has evolved in the last decade with the availability of smart handheld devices and high bandwidth offered by mobile networks at reduced costs. Multimedia traffic primarily video became the main share of global Internet traffic due to the popularity of multimedia supported social applications, online gaming, and IPTV. LÄS MER

  5. 4. Exploring Processor and Memory Architectures for Multimedia

    Författare :Ali Iranpour; Institutionen för datavetenskap; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Multimedia; Computer Architecture; Mobile; Embedded Systems; constraint programming; Memory; Processing; optimal memory mapping;

    Sammanfattning : Multimedia has become one of the cornerstones of our 21st century society and, when combined with mobility, has enabled a tremendous evolution of our society. However, joining these two concepts introduces many technical challenges. LÄS MER

  7. 5. Dynamic Traffic Control in Multiservice Networks - Applications of Decision Models

    Författare :Ulf Ahlfors; Institutionen för elektro- och informationsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Distributed-Memory Systems; Overload Control; Call Admission Control; Routing; Optimization; Multiservice Networks; Markov Decision Process; Telecommunication engineering; Telekommunikationsteknik;

    Sammanfattning : In this thesis, we develop and examine decision models intended for traffic engineering analysis of multiservice networks. Two important issues are addressed, namely call admission and routing control in multiservice broadband networks, and overload control in distributed-memory systems. LÄS MER