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The spectrum efficiency in a cellular radio system is affected by the data rates used in the system. High data rates may result in low spectrum efficiency if the frequency reuse is low. The spectrum efficiency may be enhanced by using adaptive modulation with carefully chosen data rates. We present an analytical method, based on a lower bound on the BER, for finding the best data rates. The method

Building on a framework introduced by Chaney and Ossa (2013), we construct a task-based model of the firm’s choice of occupational inputs to examine how that choice varies with greater global engagement. We depart from Chaney and Ossa by assuming that more complex tasks are more costly to complete. Within the structure of our model, firms skew employment toward occupations engaged in more complex

Different treatments of the decay-out of superdeformed bands are reviewed, focusing on the role of the normally deformed doorway states to which the superdeformed band primarily couples at decay-out. A schematic description based on sparse GOE matrices is formulated for the normally deformed states including one doorway state. This allows for a gradual change of the normally deformed spectrum from

There are many ways to realise a DP-internal possessor in Scandinavian. In some varieties, such as Standard Swedish and Standard Danish, all DP-internal possessors are prenominal. In other varieties, such as Faroese, Icelandic, and Norwegian, possessors can be either prenominal or postnominal. In the case of a pronominal possessor, prenominal position has to do with focus in these varieties. The s

Abstract in Spanish Un enfoque adecuado para intentar una definición de las tecnologías nos las brinda el término “usabilidad”, es decir las propiedades de un artefacto que afectan a su interacción con el usuario. En ingeniería, la calidad de un artefacto está determinada por dos cualidades: su utilidad y su facilidad de uso o usabilidad. Desde nuestra perspectiva la utilidad depende de la relació

Several approaches towards the optimization of amperometric biosensors using a soluble mediator in combination with reticulated vitreous carbon (RVC) were studied. RVC material was used as the working electrode with biomolecules (enzyme/co-enzyme) immobilised on its surface and intergrated with a FIA system. By using the soluble electron transfer mediator Meldola Blue the oxidation potentials for

In this paper we address the problem of projective reconstruction of structure and motion given only image data. In particular we investigate three novel minimal combinations of points and lines over three views, and give complete solutions and reconstruction methods for two of these cases: "four points and three lines in three views", and "two points and six lines in three views". We show that in