Sökning: "Opportunistic spectrum access"

Hittade 4 uppsatser innehållade orden Opportunistic spectrum access.

  1. 1. Outdoor Small Cell Deployment with Complementary Spectrum Authorizations, Licensed (LSA) and Unlicensed (LAA) : Techno-Economic Analysis

    Master-uppsats, KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Författare :Fikri Firman; [2017]
    Nyckelord :;

    Sammanfattning : The significant increase in mobile data traffc has put a considerable load on the wireless mobile networks. In the current highly competitive market, Mobile Network Operators (MNOs) have to strive to provide additional capacityof their network, by also considering the cost factor to make their business sustainable. LÄS MER

  3. 2. Performance Analysis of Cognitive Radio Network over SIMO System

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :Iqbal Hasan Haider; MD. Fazla Rabby; [2012]
    Nyckelord :Cognitive Radio; Outage Probability; Symbol Error Probability; Single Input Multiple Output; Selection Combining; Spectrum Sharing System.;

    Sammanfattning : As resources are limited, radio spectrum becomes congested due to the growth of wireless applications. However, measurements address the fact that most of the licensed spectrums experience low utilization even in intensively teeming areas. LÄS MER

  4. 3. Spectrum Sensing and Management in Cooperative Cognitive Radio

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :Ghayoor Abbas Jafri; Ateeq Ur Rehman; Muhammad Tariq Sadiq; [2011]
    Nyckelord :Cognitive radio networks; Cooperative communication; Dynamic spectrum sharing; Cross layer design ; OC-MAC Protocol ; Opportunistic spectrum access; Spectrum sensing; Spectrum management;

    Sammanfattning : In the last few years, there has been enormous improvement in mobile communication services. Due to this rapid growth in the field of communications, the demand for wireless spectrum has increased rapidly. In the early days in order to remove the interference problem, the spectrum was assigned statically. LÄS MER

  5. 4. Impact of Erroneous Transmission on Secondary Spectrum Access

    Master-uppsats, KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Författare :Ali Hemmatyar; [2011]
    Nyckelord :;

    Sammanfattning : The rapid development and deployment of wireless devices demand for the efficient spectrum usage to ensure quality of service. Thus, regulatory bodies opened new dimensions regarding the sharing of spectrum among the owners, keeping the respect of exclusive users as a primary objective. LÄS MER