Filtyp
In this paper, a novel transmission technique for the multiple-input multiple-output (MIMO) broadcasting directional channels is introduced. During the training period, the base station sends a set of mutually orthogonal signals which enables each user to estimate the angle-of-departure of the anticipated strongest beam and the corresponding SNR. Then, the base station uses the reported angles-of-
The most important trends in landfill management policy over the last decade have been the universal adoption of the containment approach to emission control and the increasing legal requirement to install artificial membranes as bottom liners and caps to landfills which is now mandatory in many countries. The landfill cover is one of the most important aspects when designing and constructing land
This paper is dedicated to model order reduction of linear time-invariant systems. The main contribution of this paper is the derivation of two scalable stability-preserving model reduction algorithms. Both algorithms constitute a development of a recently proposed model reduction method. The algorithms perform a curve fitting procedure using frequency response samples of a model and semidefinite
Den muslimska fastemånaden ramadan har just inletts. Att fasta av religiösa skäl kan tyckas svårförståeligt i dagens sekulära svenska samhälle. Risken är att den sekulära livsåskådningen leder till intolerans och utestängande, skriver André Möller och Pierre Wiktorin, religionsantropologer med anknytning till Lunds universitet.
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The use of Internet Protocol (IP) in the security industry is increasing but little is known about the relationship between end users and the merger of traditional physical security and IT otherwise referred to as convergence in the security trade press. Markus Lahtinen of the LUSAX project examines the growth of convergence in the security industry and discusses complexities of this relationship.
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