Popular Abstract in English In the past decade, mobile wireless communication have had a tremendous impact on the way people perceive and use mobile devices, most popularly the mobile phone. Apart from making phone calls, they are capable of being cameras to take pictures and videos, able to browse the Internet, do video calling and much more just like an yesteryear computer. The wireless medium iThe demand for spectrum resources in cellular systems worldwide has seen a tremendous escalation in the recent past. The mobile phones of today are capable of being cameras taking pictures and videos, able to browse the Internet, do video calling and much more than an yesteryear computer. Due to the variety and the amount of information that is being transmitted the demand for spectrum resources i

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Microalbuminuria is an early manifestation of diabetic nephropathy. Potential contributors to this condition are reduced glomerular filtration barrier (GFB) size- and charge selectivity, and impaired tubular reabsorption of filtered proteins. However, it was recently reported that no significant alterations in charge selectivity of the GFB occur in early experimental diabetic nephropathy. We here

We consider realistic multiple input multiple output antenna systems operating over spatially colored channels with instantaneous, albeit imperfect, channel state information at the receiver and only covariance knowledge available at the transmitter. We focus on pilot-aided channel estimation in which the receiver uses minimum mean square error channel estimation. For such a setup, our goal is the

Inflammation and ischemia have a synergistic damaging effect in the immature brain. The role of tumor necrosis factor (TNF) receptors 1 and 2 in lipopolysaccharide (LPS)-induced sensitization and tolerance to oxygen-glucose deprivation (OGD) was evaluated in neonatal murine hippocampal organotypic slices. Hippocampal slices from balb/c, C57BL/6 TNFR1(-/-), TNFR2(-/-), and wild-type (WT) mice obtai

Popular Abstract in Swedish Det tillgängliga frekvensutrymmet i trådlösa kommunikationssystem, så som trådlösa datornätverk, är mycket begränsat. Detta tillsammans med den ökande trafikmängden skapar problem. Nya möjligheter finns dock i och med att det finns stora mängder bandbredd som är licensfri för användning. Ökad bandbredd möjliggör också ökad datahastighet. Det tillgängliga frekvensbandet The available bandwidth in wireless communication systems, such as the 802.11 family, is very limited. Together with the ever increasing data traffic, this causes problems. New possibilities are, however, available thanks to wide license-free bandwidth allocated at higher frequencies. Increased available bandwidth enables higher data rates in future radio systems that will be capable of Giga-bit/s

Reflex sympathetic dystrophy or complex regional pain syndrome type I is primarily a clinical diagnosis. The syndrome is most common after soft tissue damage or fractures and is more often seen in women than in men. The paramount symptom is pain, but oedema, a limited range of motion, changes in sensibility, and trophic changes are also seen. The pathogenesis is unknown, but most clinicians believ

Recension av Janne Flyghed och Magnus Hörnqvist (red.), Laglöst land (Ordfront, 2003).

A perspective overview is given describing the current development of multiplex mass spectrometry assay technology platforms utilized for high throughput clinical sample analysis. The development of targeted therapies with novel personalized medicine drugs will require new tools for monitoring efficacy and outcome that will rely on both the quantification of disease progression related biomarkers

This report describes a model for the estimation of the time required to evacuate a building, by dividing the evacuation process into three phases: awareness, behaviour and response, and movement. The times required in each of these phases can be estimated separately and the sum then represents the total evacuation time. The time elapsed from the fire breaking out, to the discovery of the fire, is

Test application and test design, performed to ensure the production of fault-free chips, are becoming complicated and very expensive, especially in the case of SoCs (System-on-Chip), as the number of possible faults in a chip is increasing dramatically due to the technology development. It is therefore important to take test design into consideration as early as possible in the SoC design-flow in