Search for dissertations about: "Spectrum Decision"

Showing result 1 - 5 of 51 swedish dissertations containing the words Spectrum Decision.

  1. 1. Implementing spectrum commons: Implications for Thailand

    Author : Nattawut Ard-Paru; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; spectrum commons; institutional analysis and development IAD framework; spectrum assignment; spectrum allocation; Radio Regulations RR ; World Radiocommunication Conference WRC ; spectrum management;

    Abstract : Spectrum is a natural and limited resource that needs to be managed both internationally and nationally because of the unique propagation characteristics of radio waves. Once transmitted, a radio signal propagates until its power is depleted. Furthermore, electromagnetic energy does not recognize borders between countries. READ MORE

  2. 2. A Software Framework for Prioritized Spectrum Access in Heterogeneous Cognitive Radio Networks

    Author : Yong Yao; Blekinge Tekniska Högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Cognitive Radio Networks; Queueing Modelling; Spectrum Decision; Fuzzy-Logic; Cellular Network; Ad-Hoc Network; Mesh Network;

    Abstract : Today, the radio spectrum is rarely fully utilized. This problem is valid in more domains, e.g., time, frequency and geographical location. READ MORE

  3. 3. A Spectrum Decision Support System for Cognitive Radio Networks

    Author : Yong Yao; Blekinge Tekniska Högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Cognitive Radio Networks (CRNs) offer a promising capability of alleviating the problem of spectrum insufficiency. In CRNs, the licensed spectrum channels are either exclusively reserved for licensed users or temporarily used by unlicensed users. The requirement for unlicensed users is to not harmfully impair the licensed users transmissions. READ MORE

  4. 4. From social drinking to alcohol addiction : Decision making and its neural substrates along a spectrum from social drinking to alcohol addiction

    Author : Hanna Karlsson; Irene Perini; Markus Heilig; Bo Söderpalm; Linköpings universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; alcohol; heavy drinking; alcohol addiction; decision making; alcohol choice; fMRI; rTMS;

    Abstract : For a minority of alcohol users, the initial sip of alcohol marks the start of a life-threatening process. This thesis studies cognitive mechanisms pertinent to alcohol addiction and its development, using a spectrum of individuals that range from healthy social drinkers, through people with hazardous use, to those suffering from alcohol addiction. READ MORE

  5. 5. Dialectical Dimensions on Inclusive Education : Involving Students with Autism Spectrum Conditions

    Author : Johanna Lüddeckens; Lotta Anderson; Daniel Östlund; Nina Klang; Malmö universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; inclusive education; autism spectrum conditions; inclusive school leadership; principals; dialectical approach; dilemma perspective; school organization.;

    Abstract : Purpose: The aim of this essay and its contribution to research is to identify the opportunities, pitfalls, and dilemmas that can arise when inclusive education is organized with regard to students with ASC. In order to create more understanding of the situation for students with ASC in schools, the study focus on school leadership. READ MORE