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Initial Survey of Concrete Structures in Swedish Harbours – A Case Study in the Port of Trelleborg

This paper is a case study on how to perform a survey of concrete structures in Swedish harbours. The purpose of the survey is to detect common damages and signs of deterioration on concrete structures in marine environment. The survey should consist of information about the structural design for the structures together with climatic conditions for the harbour in question, as well as documentation

Diversity-rich compact UWB MIMO antenna for USB dongles

A compact dual-element antenna suitable for ultrawideband (UWB) MIMO operation is proposed in this work. The size of the antenna is 25 mm by 40 mm and it covers the lower UWB band of 3.15-5.15 GHz. Apart from the inherent wideband isolation obtained through the different angle and polarization characteristics in the radiation patterns of the individual elements, the gap between the two antenna ele