The combination of the emerging Digital Video Broadcasting – Handheld (DVB-H) standard with cellular communication like UMTS produces a hybrid network with enormous potential for mobile multimedia applications. In order to optimize the performance of hybrid networks, the characteristics of different individual networks have to be considered. Our prototypical hybrid network infrastructure employ...

Traditional paper documents are not likely to disappear in the near future as they are present everywhere in daily life, however, paper-based documentation lacks the link with the digital world for agile and automated processing. At the same time it is prone to cloning, alteration and counterfeiting attacks. E-passport defined by ICAO and implemented in 45 countries is the most relevant case of...

This paper assesses the impact of residential photo-voltaic (PV) generation on the operation of a distribution smart grid in Chile. In particular, we focus on distribution losses and bus voltage regulation. This smart grid is composed of three hundred residential customers and belongs to the Central Inter-connected System (CIS) of Chile. A set of scenarios with different daily load profiles and...

Smart devices, storage and other distributed technologies have the potential to greatly improve the utilisation of network infrastructure and renewable generation. Decentralised control of these technologies overcomes many scalability and privacy concerns, but in general still requires the underlying problem to be convex in order to guarantee convergence to a global optimum. Considering that AC...

The increasing political salience of the sanctuary city has not yet been met with adequate philosophical examination that concept. This article argues there are at least two models how ought to be understood. first model, wholesale understands as a standing check against federal overreach; refuse participate in deportation, even when government is morally correct and it deports. second piecemea...

This paper references two texts from contemporary city writers: Die Stadt ist nicht die Stadt, by Juliana Kálnay (2019), and Graz, Alexanderplatz, Barbara Marković (2012). They are analysed in regard to how the authors present cities they visit type of literary images develop. The analysis Kálnay’s text focuses on she interweaves past interconnects both through a water motif. Furthermore, inter...