Search for dissertations about: "limits"
Showing result 21 - 25 of 1651 swedish dissertations containing the word limits.
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21. Smart Antennas in Wireless Networks : Systems Issues and Performance Limits
Abstract : This work deals with performance limits when using smartantennas in future wireless systems. The current evolution inthe field of wireless communication implicates a substantiallyincreased demand on transport capacity. Smart antennas is onevery powerful means to fulfill these demands. READ MORE
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22. Utilizing Channel State Information in Space-Time Coding : Performance Limits and Transmission Techniques
Abstract : This thesis deals with performance limits and transmissiontechniques for a wireless communication link where at least thetransmitter is equipped with an antenna array and moreover hasaccess to possibly imperfect channel state information.An antenna array on the transmit side provides the systemwith an extra spatial dimension that can be utilized for codingboth in the spatial as well as the temporal domain. READ MORE
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23. Torn, Spun and Chopped : Various Limits of String Theory
Abstract : For the first time in the history of physics we stand in front of a theory that might actually serve as a unification of it all - string theory. It provides a self-consistent framework for gravity and quantum mechanics, which naturally incorporates matter and gauge interactions of the type seen in the standard model. READ MORE
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24. The Construction of a Sustainable Development in Times of Climate Change
Abstract : This dissertation is a contribution to the debate about ‘climate justice’, i.e. a call for a just and feasible distribution of responsibility for addressing climate change. READ MORE
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25. Ethical Aspects of Radiation Risk Management
Abstract : This thesis is based on the assumption that the intersection of moral philosophy and practical risk management is a rewarding area to study. In particular, the thesis assumes that concepts, ideas, and methods that are used in moral philosophy can be of great benefit for risk analysis, but also that practices in risk regulation provide a useful testing ground for moral philosophical theories. READ MORE