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Channel measurement and characterization of interference between residential femto-cell systems

Interference between femto-cell systems is a critical factor for the deployment of such systems in, e.g., resedential areas. In this paper we report on a residential channel measurement campaign focusing on the channel properties for femtocell systems. We characterize basic channel properties such as delay spread and interference levels between different furnished residential houses. In addition w

Improving Risk Analysis Practices in Governmental Organizations

At the same time as our dependence on IT systems increases, the number of reports of problems caused by failures of critical IT systems has also increased. Today almost every system or service, e.g., water, power supply, transportation, is dependent on IT systems, and failure of these systems has serious and negative effects on society. In general, governmental organizations are responsible for de

Thin wideband absorber with optimal thickness

The known methods for designing nonmagnetic absorbers usually aim for either the reduction of total thickness or increase of absorption bandwidth by sacrificing the other parameter. The conventional circuit analog absorbers aim for large bandwidths whereas the newly proposed meta-material or optimized geometry designs try to reduce the thickness of the absorber. By the aid of the capacitive circui

The Impact of Changes in the Corporate Governance System on the Boards of Directors: Experiences from listed Swedish Companies

The core objective of this article is to develop and apply a framework based on institutional theory for investigating and exploring how boards of directors respond to changes in the national pattern of corporate governance. In contrast to most models of institutional changes that are based on the structure of the change process, our framework focuses on the content of institutional changes in ter

The Balance of Meaning : Exploring the possibility of a recognition-transcendent meaning of religious and existentially important terms

Can we be mistaken or ignorant about the meaning of our own words? This dissertation explores this question. More specifically it investigates to what extent and in what sense, if at all, the semantic meaning of religious and existentially important words – like ‘God’, ‘friendship’, ‘justice’ or ‘life’ – can be recognition-transcendent to the competent user of them. The possibility of words having

Non-WSSUS vehicular channel characterization in highway and urban scenarios at 5.2 GHz using the local scattering function

The fading process in high speed vehicular traffic telematic applications at 5 GHz is expected to fulfill the wide-sense stationarity uncorrelated scattering (WSSUS) assumption for very short time-intervals only. In order to test this assumption we apply the concept of a local time– and frequency–variant scattering function, which we estimate from measurements of vehicle-to-vehicle wave propagatio