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Visar resultat 1 - 5 av 44 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Efficient multicast video streaming over heterogeneous networks

    Författare :Patrik Österberg; Mittuniversitetet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; multicast; fairness; video; Computer science; Datavetenskap;

    Sammanfattning : The demand for real-time video streaming over Internet is ever growing. The aggregated bandwidth of the video flows can be substantial, which motivates the use of bandwidth-preserving techniques such as multicast transmission and powerful source coding algorithms. LÄS MER

  3. 2. Overlay Multicast Networks : Elements, Architectures and Performance

    Författare :Doru Constantinescu; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Today, the telecommunication industry is undergoing two important developments with implications on future architectural solutions. These are the irreversible move towards Internet Protocol (IP)-based networking and the deployment of broadband access. LÄS MER

  4. 3. Fair Treatment of Multicast Sessions and Their Receivers : Incentives for more efficient bandwidth utilization

    Författare :Patrik Österberg; Tingting Zhang; Kirk Martinez; Mittuniversitetet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; bandwidth allocation; cost allocation; fairness; multicast; Computer and systems science; Data- och systemvetenskap;

    Sammanfattning : Tjänster för strömmad media stiger kraftigt i popularitet, samtidigt som utbudet av denna typ av tjänster ökar. Internet protocol television (IPTV) med standardupplösning levereras redan till många hem, och högupplöst IPTV kommer att bli vanligt inom en relativt snar framtid. LÄS MER

  5. 4. Security and Efficiency Tradeoffs in Multicast Group Key Management

    Författare :Claudiu Duma; Nahid Shahmehri; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Key management; Multicast communication; Security-efficiency tradeoffs; Collusion resistance; Push-oriented approaches; Computer science; Datavetenskap;

    Sammanfattning : An ever-increasing number of Internet applications, such as content and software distribution, distance learning, multimedia streaming, teleconferencing, and collaborative workspaces, need efficient and secure multicast communication. However, efficiency and security are competing requirements and balancing them to meet the application needs is still an open issue. LÄS MER

  7. 5. Distribution and Individual Watermarking of Streamed Content for Copy Protection

    Författare :Karl-Göran Stenborg; Robert Forchheimer; Peter Parnes; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Watermarking; Fingerprinting; Video distribution; Broadcast; Multicast; Telecommunication; Telekommunikation;

    Sammanfattning : Media such as movies and images are nowadays produced and distributed digitally. It is usually simple to make copies of digital content. Consequently illegal pirate copies can be duplicated and distributed in large quantities. One way to deter authorized content receivers from illegally redistributing the media is watermarking. LÄS MER