Sökning: "opportunistic"

Visar resultat 1 - 5 av 182 avhandlingar innehållade ordet opportunistic.

  1. 1. Opportunistic Networking : Mobility Modeling and Content Distribution

    Författare :Ljubica Pajevic; Gunnar Karlsson; Karin Anna Hummel; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; opportunistic networks; ad hoc networks; mobility modeling;

    Sammanfattning : We have witnessed two main trends in recent years that have shaped the current state of communication networks. First, the Internet was designed with the initial idea to provide remote access to resources in the network; today it is overwhelmingly being used for content distribution. LÄS MER

  3. 2. Opportunistic Networking : Congestion, Transfer Ordering and Resilience

    Författare :Fredrik Bjurefors; Per Gunningberg; Christian Rohner; Mario Gerla; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Opportunistic Networking; Congestion; Transfer Ordering; Resilience; Testbed; WISENET; Datavetenskap med inriktning mot datorkommunikation; Computer Science with specialization in Computer Communication;

    Sammanfattning : Opportunistic networks are constructed by devices carried by people and vehicles. The devices use short range radio to communicate. Since the network is mobile and often sparse in terms of node contacts, nodes store messages in their buffers, carrying them, and forwarding them upon node encounters. LÄS MER

  4. 3. Opportunistic viral infection after paediatric transplantation

    Författare :Carola Kullberg-Lindh; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Paediatric liver transplantation; paediatric stem cell transplantation; immunosuppression; opportunistic; CMV; EBV; AdV; HHV-6; real-time PCR; monitoring; specimen; post transplant lymphoproliferative disease;

    Sammanfattning : Background: Opportunistic viral infections can cause considerable morbidity and mortality in organ and stem cell transplanted (SCT) patients, mainly due to iatrogenic T cell dysfunction. Whereas in SCT patients, in general the immunosuppressive treatment can be discontinued after 6-12 months, for the majority of organ transplanted patients, the need for treatment is life-long. LÄS MER

  5. 4. Opportunistic Content Distribution : A System Design Approach

    Författare :Sylvia Todorova Kouyoumdjieva; Gunnar Karlsson; Martin May; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The penetration of smart pocket-size devices that provide constant Internet connectivity, such as mobile phones, has significantly changed the way people obtain, view and share information. Content provision is not anymore a prerogative to professionals; individuals are not solely customers, but also act as content generators and distributors. LÄS MER

  7. 5. Opportunistic Content Distribution

    Författare :Ólafur Helgason; Gunnar Karlsson; Mostafa Ammar; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Telecommunication; Telekommunikation;

    Sammanfattning : In recent decades, communication networks have had a profound effect on society. Wireless communication has affected our lifestyle and altered how humans communicate and the Internet has revolutionized how we access, publish and disseminate information. LÄS MER