The objective of this diploma work is to investigate a set of Multiple Input Multiple Output (MIMO) channel models compatible with the emerging IEEE 802.11n standard. This diploma work validates also advanced, innovative tools and wireless technologies that are necessary to facilitate wireless applications while maximizing spectral efficiency and throughput. MIMO channel models can be used to evaluate new Wireless Local Area Network (WLAN) proposals based on multiple antenna technologies. The purpose of this thesis is to investigate means of channel models and their implementation in different environments such as: Matlab, C++ and Advanced Design Systems (ADS). The investigation considers also a comparison between the channel models based on theoretical data and parameter setup to the channel models based on statistical characteristics obtained from measured data.

The purpose of this thesis is to analyze and propose improvements to the current procedure for cost estimations of purchased maintenance work at Banverket, the Swedish rail administration. This governmental institution is responsible for the procurement of maintenance services for the country?s railroad network through open tenders. Due to the generally low number of contractors, it is particularly necessary to establish accurate cost estimates in order to assess the offers and ensure that a fair price is being paid to the suppliers. Several flaws associated with the current practice are identified and analyzed according to cost accounting theories.

The purpose with our essay was to examine what favourable factors there are for women to get out of drug abuse and from a gender aspect interpret how these factors are used in the treatment of female drug-addicts, regarded from the treatment personnel view. The questions we have focused on are: What are the favourable factors for women in the way out of the addiction. How can the use of favourable factors be interpreted from a gender aspect. In what way is the knowledge about these favourable factors used in the drug abuse treatment.To fulfil the purpose whit our examination and to get answers to our questions we performed an explorative examination and applied a qualitative method in the form of a half structured interview with five persons.The main features of the results in our examination were that unisexual treatment, the group and the friendship between women, children and pregnancy and professional and private social network were considered as the favourable factors for the women out of their addiction. Certain factors were used in the treatment as a way to socialize or resocialize the female drug-addicts to predominant social models of how a woman should be like..

This essay reviews the situation for real estate agencies within the Stockholm area. In this essay we assume that costumer loyalty is a requirement for survival on the competitive estate market. Two actors have been compared; A well known national Internet-based agency, Skandia Mäklarna, and a smaller local traditional agent Mäklarfirman Grönberg. These actors have been analyzed up on theories on loyalty, relationship marketing, service marketing, quality and involvement .The conclusion of the essay is that it is possible for small estate agencies to compeed with larger Internet based agencies by building loyal relationships with their customers. This can be achieved if the right strategic decisions are made.

The following essay is a study of the theatre-play Min Arm, a translation and performance by Per Lasson for Fria Teatern in Stockholm 2009-2010. Actor, director and playwright Tim Crouch wrote the original script My Arm in English in 2003.With basis in intermedial theory, as defined by Jörgen Bruhn, as well as Hans-Thies Lehmann?s theory on post-dramatic theatre this study investigates the meaning-building processes in Min Arm as a theatrical performance. Concepts of the difference between stage play and performance text are borrowed from and inspired mainly by Eli Rozik?s Generating Theatre Meaning.

The aim of this essay is to investigate the implementation of The Social Orientation inSweden. The Social Orientation is a part of the new, one year old, establishment law and isaimed at all newly arrived refugees and immigrants. The aim of the law is to help establish allnew arrivals into the Swedish society by providing knowledge about life in Sweden. Theeducational program is at least sixty hours long and covers: the public authorities in Sweden,laws and regulations, work and education, healthcare, children and family issues in a person?smother tongue.In order to achieve my aim I have chosen two questions: How has the law been implementedin Swedens three counties: Stockholm, Sörmland and Uppsala? What conditions are there fora successful implementation?In order to answer these questions I have used the traditional, ?street-level bureaucrats? andnetwork perspectives and issues for my study of implementation.

The Smart Grids development is driven by forces concerning safe electrictransmission done in an energy efficient way. Vattenfall Eldistribution AB has a visionto transform their electricity network into Smart Grids. To invest in Smart Grids theyhave a need to show their customers what advantages they will get from thedevelopment. This led to the formulation of this dissertation project where the aim isto identify products and services related to Smart Grids that will increase thecustomer satisfaction for Vattenfall Eldistributions private customers.The project started with a mapping of existing products and services on the Swedishelectricity market. From the mapping several development possibilities for VattenfallEldistribution were identified.

The main purpose of this study was to examine how people who have felt mentally bad, describe their subjective experience of what leads to a mental well-being. The overall research questions were; how does the individual define mental well-being, how does the individual describe the turning-point during her tough period, and in what way does the individual consider that her own effort has influenced her well-being? In order to answer these questions, qualitative research interviews were conducted with persons who?ve felt mentally bad and who?ve got some kind of professional help, and who think that they have a mental well-being today. The empirical material was analyzed from a theoretical resilience perspective. The study?s result showed first of all, that there are different ways to define well-being.

The rural development programme is a tool for promoting sustainable development in the Swedish countryside. The master plan should, for example, give directions for the national interest and describe how it will follow up national and regional targets such as the EU's environmental quality standards. Because the municipality has considerable freedom to formulate the plan in its sole discretion, and that it contains the municipality's political vision, it is also feasible to make a discourse analysis of the plan text.In discourse analysis, including articles and documents written by Rural Network Working Group on land use planning to be included. The purpose of discourse analysis is to see if there are differences in the way rural areas are described and if there are any flaws in how the designer interprets the rural development programme. Furthermore, the analysis result in tools that are adapted to the standards we create and choose.The standards we have are being designed based on our values, which differ.

This report describes the design and construction of a prototype that automatically aims a microwave link towards a target. The link, that is located on a mobile aerial mast, is used by Saab Training Systems as a part of an infrastructure network. The report also discusses the development of a GUI that communicates with the control unit by Bluetooth.The control unit, called Pan/Tilt-controller, controls the position of the link by stepping motors. One motor controls the azimuth angle and the other one controls the elevation angle.By a GUI the operator enters the coordinates on its own position and the targets position. Hereafter a bearing is calculated and it will be sent up to the control unit.The control unit will sense its own direction by a magnetic sensor that works as an electronic compass.

Nätverksarbete har växts sig allt starkare under de senaste trettio åren i Sverige. Arbetet syftar till att se individen i sin helhet. Syftet med studien är att undersöka hur socialsekreterare och klienter vid barn- och ungdomsenheten i en specifik kommun upplever deltagande i nätverksmöten. Syftet är även att undersöka vilka positiva och negativa aspekter gällande nätverksmöten som socialsekreterare samt klienter lyfter fram. Metoden som använts för att besvara syftet är kvalitativ.

This essay deals with the subject of communication through Facebook. In this survey we studied 100 youths from Karlstad and their communication habits and behavior patterns on Facebook. The social network site Facebook has since its start in 2004 made a mark in modern communication. Today in 2010 the site has more than 500 million users. This paper wants to study what happens to other types of communication.

Populärvetenskaplig sammanfattning: Planera dagsutflykten och upplev mer av Island. Island med sina aktiva vulkaner och stora glaciärer är ett populärt turistmål och antalet turister ökar år från år. Flertalet av de 350 000 utländska turister som årligen besöker Island anländer med flyg till huvudstaden Reykjavik. Från huvudstaden anordnas dagsutflykter genom en rad olika researrangörer. Man kan även planera en dagsutflykt själv, och köra med hyrbil.

The purpose of this paper was to examine how young parenthood is represented by the professionals and their thoughts and experiences from meetings with the young parents, and how the professionals work with this group of parents. As professionals we refer to those who work with young parents, and the definition of young parents are parents in the ages 15-24. The paper also discusses what needs these parents have, and what kind of support the society offers, according to the professionals. The method we worked with was interviews and we interviewed six professionals to find out how the professionals looked upon the young parents and their situation. Earlier research has stated that young parenthood is associated with many risks and disadvantages for both the parents and their children.

Our purpose with this paper was to examine what effect a parent's drinking problem can have for the children in the family. A combination of literature study and qualitative interview analysis was used. The most important research questions were: How do the parent's problems affect the child? In what ways can the social network around the child help it to develop normally despite problems in the home environment? To what extent a parent's drinking problem affects a child depends on many different factors. Based on earlier research and interview data we drew the conclusion that growing up in a family where a parent has a drinking problem has a negative effect on all children.