Essays about: "DYNAMIC SPECTRUM ACCESS IN COGNITIVE RADIO NETWORKS"

Found 4 essays containing the words DYNAMIC SPECTRUM ACCESS IN COGNITIVE RADIO NETWORKS.

  1. 1. Centralized Support Node for Mobility Management in Cognitive Radio Networks

    University essay from Blekinge Tekniska Högskola/Sektionen för datavetenskap och kommunikation

    Author : Srinivasan Jayaraman; Hemachandra Chowdari Gonuguntla; [2012]
    Keywords : Keywords: Cognitive radio; Signaling; Common control channel; mobility management;

    Abstract : Cognitive radio is expected to address several operational challenges like dynamic spectrum access, spectral heterogeneity and facilitate end-to-end Quality of Service (QOS). The complex nature of cognitive radio is due to its dependency on various network parameters at different levels and ambiguous standards. READ MORE

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

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

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

    Abstract : 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. READ MORE

  4. 3. Priority Queuing Based Spectrum sensing Methodology in Cognitive Radio Network

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Sajid Mahmood / [email protected]; Mujeeb Abdullah / [email protected]; [2011]
    Keywords : Cognitive radio Networks ; Radio Spectrum Management ; Spectrum Sensing; Spectrum Mobility;

    Abstract : Radio spectrum is becoming scarce resource due to increase in the usage of wireless communication devices. However studies have revealed that most of the allotted spectrum is not used effectively. READ MORE

  5. 4. DYNAMIC SPECTRUM ACCESS IN COGNITIVE RADIO NETWORKS : ASPECTS OF MAC LAYER SENSING

    University essay from Blekinge Tekniska Högskola/Avdelningen för signalbehandling

    Author : Mohamed Hamid; [2008]
    Keywords : Cognitive Radio; Spectrum Sensing; Reactive Sensing; Proactive Sensing; Spectrum Utilization Factor; Idle Channel Search Delay; Sensing Periods;

    Abstract : Over the past two decades wireless communication systems have been showing great revolution and rapid growth. Therefore, the standardization agencies together with wireless researchers and industry have been working on new specifications and standards to face the high demand for wireless communication systems. READ MORE