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News

  • 2018-12-12

    Less latency with smarter WiFi

    Choppy Skype calls and films on Netflix that suddenly start buffering. Such types of latency can be extremely irritating, but will soon become a thing of the past. Toke Høiland-Jørgensen, researcher at Karlstad University, has developed a solution for smarter WiFi that may soon be in all our homes.

    “WiFi technology is used everywhere because it is cheap and simple. The quality is not always great, but performance can be improved by directing data streams in smarter ways. In this way, the queueing that results in extra latency in WiFi networks can be avoided,” says Toke Høiland-Jørgensen, who recently obtained his doctorate in Computer Science from Karlstad University.

  • 2018-12-10

    Researchers met helthcare developers at this year's Research Vernissage

    “I lead the DigitalWell Research project that aims to enhance the development of digital welfare services. Meeting people from businesses and organisations at a vernissage was interesting and different,” says Stefan Alfredsson, a computer scientist from Karlstad University.

    DigitalWell Research will create an innovation environment in which small and medium-sized businesses develop digital welfare services in close cooperation with researchers and the public sector.

  • 2018-11-30

    Describing transport through thin heterogeneous layers using mathematical models

    Adrian Muntean, Professor of Mathematics at Karlstad University, has been awarded funding by the Swedish Research Council to study the transport of matter through thin heterogeneous layers, that is, thin barriers preventing the free movement of particles. The aim is to understand the behaviour of layers at a microscopic level to control traits such as storage capacity and permeability.

    "I am delighted that the Swedish Research Council has granted my application,” says Adrian Muntean. “This means that I can now further develop and refine the mathematical multiscale techniques I have been working on the last ten years."

    How do ions, pathological agents or tiny particles move through cells and tissues in our body? Which type of packaging coating gives contents the best shelf life? Both cell walls and coatings used in packaging materials are examples of thin heterogeneous layers that have significant functionalities supporting many technological innovations.

  • 2018-11-26

    e-Services Course combines Business Administration and Information Systems Use

    Two years ago, the course “Service Management and IT: Electronic Business” was made available in English. Today, it appeals to both Swedish-speaking and International students. The connections made to the latest research in service management and information systems use, in combination with working on cutting-edge cases from organisations, makes the course an attractive choice for students in Information Systems and Business Administration.

    The course is part of the programme “IT-design: Enterprise Systems and Business Administration” at Karlstad Business School, and is also available as a freestanding course.

  • 2018-11-01

    Math can prevent sinkholes from occurring

    Old sewer pipes that break down may cause a lot of damage. In the worst case, leaking water erodes the soil and this may result in sinkholes. Now researchers at Karlstad University have created a mathematical model to calculate the corrosion of sewers. This is important in selecting materials for future sewer lines.

    Before creating a new type of sewer pipe that needs to function for decades, the user has to be able to obtain an estimate of the rate of corrosion. Otherwise, maintenance and replacement costs are unnecessarily high.

    "This is the point where mathematics can advise industry. Mathematicians can model the concrete and the corrosion process to approximate the corrosion speed of a sewer system up to 20-30 years," says Arthur Vromans, PhD student in Mathematics at Karlstad University.

  • 2018-10-03

    New measuring technique can save pulp mills millions

    New research at Karlstad University shows that pulp mills can save millions by using a new measuring technique. This new technique enables control of the pulping process, thus reducing the demand of chemicals, water and energy. This may yield positive environmental effects as well as improved pulp quality and increased production.

    “My research shows that there is an important parameter that is currently not being measured at pulp mills, namely dissolved lignin,” says Caroline Wilke, doctor in chemical engineering.

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