This thesis investigates how Ericsson AB should do to achieve fast and secure handover when roaming in a WLAN. It also provides a security analysis of the system that the wireless access point is part of. The reason for this is that Ericsson is selling an access point called the ABS 2200 aimed at the public hotspot market. The premise was that they wanted a standardized way of handling the roaming issue. At the outset the 802.11F standard looked like a good alternative (in fact the only standardized alternative).

Today?s society is very focused around technology and something that is very popular is the usage of mobile devices such as Smartphones or Tablet computers. One of the reasons why these devices are so popular, is because of the large amounts of services or ?apps? that they can provide for the user. They can do a lot of things that makes everyday living easier for the users.The focus of this study is to find out what kinds of mobile services the users of these devices are expecting and/or wishes to see in the future and what is required to be able to develop and use these services in a good way.We started of the study by searching for earlier studies on the same or similar subjects.

Den här uppsatsen handlar om staters förhållningssätt till human security i teori och praktik. Syftet med uppsatsen har varit att undersöka om den kanadensiska definitionen av human security används som referensobjekt i policydokument från Norges och Sveriges nuvarande regeringar samt hos ländernas kriterier för verkställighetshinder av syriska medborgare. Uppsatsens metod är en jämförande fallstudie där verkställighetshinder och utvalda policydokument utgör analysenheterna. För att analysera dokument och ställningstaganden används kvalitativ textanalys.Fallstudien visar att båda länderna ser sig själva som föregångsländer inom human security, bland annat genom skapandet av strategier och handlingsplaner. Vidare visar studien att migrationsverken har olika tillvägagångsätt för verkställighetshinder till Syrien.

The energy consumption in the sectors of residential and public buildings is 40 % of the total energy consumption in Sweden. The main part, 85 %, of the energy use in these sectors is for operation of the buildings. The rest is used in the building process. When energy-efficiency measures are taken the energy use during the operation time decreases and the fraction of energy consumption during the building time increases. This project is carried out in cooperation with JM AB and concerns the energy use during the building time of production of blocks of flats at the building site.The main part of the electricity that is used during the production of apartment buildings goes into the heating of portacabins and illumination of the building during the construction phase.

The Arctic region is rich in natural resources such as oil, gas, minerals and fish. Climate change causes the Arctic ice melt, making resource extraction possible as well as opening up new transport routes through the Northwest Passage and the Northeast Passage. This has led to competition and cross-border strife among the Arctic States. The two largest states in the Arctic are Russia and Canada, which are also members of the Arctic Council. Russia and Canada are at the moment involved in several disputes regarding the Arctic territory where the ownership of the North Pole is one example.

The building and plant sectors represent a large part of Sweden?s energy use. Putting energy requirements in public procurement as a tool for reducing energy consumption in the building and plant sectors is therefor an opportunity that operators can take advantage of. The aim of this thesis was to map the energy requirements in procurement that operators in the public sector use today in building and plant projects. The analysis was made with respect to if the energy requirements corresponded to the parts with large energy use in building and plant projects and also in which way energy requirements in procurement are written in the contract.

This essay in historical archaeology deals with cultural-historical values of buildings and inthis case the old train- and ferrystation in Helsingborg. The building has from the day of itsopening in 1898 been exposed to threats of demolition since its original purpose was as atemporary building with intension of being replaced within a couple of years. After havingseen two World Wars, eventhough Sweden never participated, and the ferrytraffic with its upsand downs the station was an important part of Helsingborg. All the ferrytraffic over the straitto Denmark was handeled by the old train- and ferrystation untill 1955, when a competativeferrycompany was built close to the old station. After a hundred years of service the oldstation was closed down when a new station was built i Helsingborg in 1991 with theintension of gathering all travelers in one building.

The ISO standard ISO/IEC 17799/SS-627799-2 is a guidance for organizations to realize their information security goals. In spite of this standard, studies show flaws regarding information security in organizations. In particular flaws regarding overall view, knowledge and clear roles and responsibilities have been observed. The ISIT (Information Security Integrated Three level) model and its guidelines, developed in this thesis, help organizations to identify the required processes and procedures as well as the logical process flow. The thesis is based on theoretical studies and a case study within a multinational company.

This bachelor thesis describes why investors should invest in environmentally certified buildings instead of non certified buildings. The report provides an overview of possible factors influencing an investor in the investment process of an environmentally certified building. The report explains why building companies find incentive to build green buildings and how a cash flow method can be adapted so it can be used in the valuation process of an environmentally certified building. Environmentally certified buildings are used as a strategy to reduce emissions that threaten the environment as well as a strategy to obtain market shares for the building companies. This report focuses on the economic advantages of an environmentally certified building.The construction- and real estate industry stands for approximately 40 percent of the energy consumption in the world.

Uppsats för avläggande av filosofie kandidatexamen i Kulturvård, Bygghantverk, 27 hp, 2010.

Energy efficiency has become a very topical issue that has been discussed throughout the European Union for preventing negative environmental impacts that have been associated with the consumption of energy. In the residential sector have mainly municipalities set strict requirements for the reduction of energy consumption while the renewable energy has been asked. Different concepts of low-energy buildings have been developed to reduce the cost of operation and maintenance in existing buildings such as in new ones.This thesis has aimed to minimize the energy cost of a large building which has had low energy consumption features originally. Energy reviews has been initiated in order to be able for showing how the house electricity could be carried out even more efficiently.The work was initiated through a literature study to clearly increase the reliability on the energy subject. Different concepts of low-energy buildings have been treated in connection with its specifications, afterward those have been compared with the obtained results.

This thesis examines how and to what extent securitisation has occurred in the Arctic Council, and how these expressions have changed in a more geopolitically tense context after the Russian invasion of Ukraine 2022. Drawing on securitisation theory, the study analyses ministerial declarations from Arctic Council meetings in 2021 and 2025, complemented by two informant interviews with diplomats working in Arctic affairs. The findings show that securitisation has increased after 2022 but mainly within non-traditional security sectors. Environmental security is the most consistently securitised issue, especially through the framing of climate change as an urgent and wide-ranging threat. Political security has become more prominent, as the Arctic Council itself is increasingly portrayed as a reference object whose function and legitimacy must be protected.

This thesis focuses on the perception of immigration and refugees in the commonEuropean refugee and immigration policy. It identifies different discourses andstudies their development and interrelated power structures.Using the discourse theory of Laclau and Mouffe, documents from theEuropean Council, the Commission, the Justice and Home Affairs Council andParliament debates are analysed. The study is defined in the time span of 1999-2006, i.e. from the European Council's first agreement on developing a commonEuropean asylum system, following the period up till today.Four discourses are distinguished, focusing respectively on rights, security,European Union's needs, and cultural identity. I use Sandra Lavenex theory ofrealism and idealism to analyse one of the main points in the thesis: There is afundamental schism between the one rights-based discourse, focusing on universalhuman rights, and the three sharing a particularistic focus on immigration as asecurity concern.

The importance of good information security and safety grows larger and larger for each day in the information society of today. This concerns citizens, companies and public authorities. At the Swedish Transport Administration, the operation of an information security and safety process has evolved over the years to guarantee that the public authority can be trusted by its citizens, cooperating companies and other public authorities. This responsibility has been assigned to the Information Security and Safety Department (Informationssa?kerhetsavdelningen, ITsa?).In this thesis the aim is to review to what extent ITsa? achieves any business benefits for the Swedish Transport Administration, and to analyze, streamline and come up with solutions to improve their workflow.

To thoroughly think with safety and security in mind is an important issue in planning of public city spaces. Spaces intended to be available to all inhabitants of a city should have a welcoming appearance. Unfortu-nately, this is not the situation in many pedestrian walkways, parks and such spaces, possibly due to lack in safety and security. This master thesis intend to examine questions at this issue ? what makes you feel safe and what causes insecurity in public city spaces. The safety aspect treats the human psychological and sociological ways of perceiving her milieu and other humans in it, and how the physical shape of her surroundings can affect the sense of safety.