TCP (Transmission Control Protocol) is a transport protocol designed for the wired Internet. In wireless networks packet losses occur more frequently due to the unreliability of the physical link. The main problem is that TCP treats all losses as congestion, which leads to a lower throughput. Ad hoc networks are multihop wireless networks of mobile nodes, where each node can allow other packets to pass through it. Topology changes often occur and may lead to packet losses and delays, which TCP misinterprets as congestion.

Denna rapport jämför prestandan mellan state-of-the-art AI-botar i racing spelet TORCS och en AI-bot som kör med hjälp av ett artificiellt neuralt nätverk (ANN-bot). ANN-boten, som implementerades som en del av arbetet, använder en feedforward arkitektur och backpropagation för inlärning. Ett separat program som användes för att träna det neurala nätverket med träningdata som spelats in från TORCS implementerades också. Som state-of-the-art AI-botar användes AI-botar som har använts i en tävling. De fyra AI-botarna testades på åtta olika banor och data om hur lång tid varje varv tog och hur snabbt AI-botarna körde sparades och sammanställdes.

HMS Networks AB develops, produces and sells communication technology for industrial automation. The product handles communication between a variety of protocols. The product treated in this project is an Anybus X-gateway Modbus-TCP Master/Client and this module is currently configured from a web-based interface. In doing so, the flexibility for handling protocols is limited to what the company chooses to add to the interface. Therefore the company had a request that the flexibility should be extended using a script language.

För närvarande läses elmätare av en gång per år, detta leder till att kunders elräkning baseras på ett schablonbaserat belopp. Enligt riksdagens proposition 2002/03:85 skall dock alla elkunder, senast fr.o.m. 1 juli 2009, faktureras efter faktisk elförbrukning varje månad. Detta har lett till en stor marknad för fjärravlästa elmätare som nu är ett måste för att kunna utföra den tätare avläsning som krävs. E.ON ES Sverige AB som är beställare av detta examensarbetet har specialiserat sig på att installera, underhålla och läsa av fjärravlästa elmätare åt nätägare.

Att vi människor överöses av kommersiella budskap från företag innebär att vi tvingas selektera vilka budskap vi uppfattar. Företags marknadsföring kan vi avskärma oss ifrån, men hur reagerar vi då vänner vill sälja produkter till oss? Syftet med studien är att undersöka om och i sådana fall hur vänskapsrelationer och affärsverksamheter påverkar varandra inom ett nätverksföretag, samt belysa dessa effekter. För att besvara syftet har kvalitativa intervjuer genomförts med återförsäljare inom ett av de största nätverksföretagen i Sverige. Studien visar att när återförsäljare integrerar vänskap och affärsverksamhet uppnås både positiva och negativa effekter.

This thesis examines the verification of the terms and conditions stated in contracts based on the Public Procurement Act. In March 2013 the Swedish state procurement commission released " Good Business - A Strategy for Sustainable Public Procurement " (SOU 2013:12), which found that the proportion of control and verification is relatively low. The thesis examine how verification is carried out and looks for an explanation to why verification is not more oftenly performed. To answer these questions two care studies, based on seven semi-structured interviews, is presented as the empirical material. Network theory has been used to analyse the empirical results, and aspects of commonly used theories such as contract management and "Markets and Hierarchies" by Williamson has also been taken into account.

The aim of this paper was to describe hindering and facilitating factors in the transition from upper secondary school and employment for a person with Asperger?s syndrome. In the process we used general systems theory and made semi-structured interviews with five persons in the network of institutions and associations working with the individual. Our findings showed that the hindering and facilitating factors were basically the same depending of the environmental adjustments. The interviews highlighted the following factors: the recent general unemployment rate in Sweden, selfawareness of the individual and the surrounding environment?s knowledge of the individual?s impairment in relation to Asperger?s syndrome.

The law firm industry has during the last years met new demanding conditions and one tool to handle these new conditions has been to implement a Knowledge Management system. Large investments have been made in these Knowledge Management systems but the implementations have met many challenges from within the organizations.With a multiple study, based on interviews with Knowledge Management Managers included in a Knowledge Management network, this thesis aims to study the challenges with Knowledge Management and the underlying causes. The result, based on McDermott's theories shows challenges within technical, personal, social and management areas where the law firm need to shift a focus from Information to Knowledge Management, create a culture of trust and integration and use the informal powerbase.The causes for these challenges are found in the base of Mintzbergs theories of Professional bureaucracy where the Knowledge Management is affected by strong self-regulated individualist, a divided organizational structure and industry conditions..

The purpose of this study is to search and analyze different logics that operators use in the work of helping juvenile delinquents to break their criminal behavior. New institutional theory is used in this study to analyze the results. The study was conducted through qualitative interviews of six professionals in two municipalities which work with juvenile delinquency. There are two questions that we want to address in this study. The first one is what methods the social workers are using in two middle large municipalities to help youth to brake there criminal behavior.

This master thesis is about Augmented Reality (AR), a phenomenon that has existed since the mid-fifties but only recently has become available for the general public. This report is a knowledge compilation about AR, focusing on AR in cell phones and the use of the technology in traffic related situations.AR is usually described as adding a digital layer of information onto the real world. There are different technologies to make virtual images; in cell phones sensor-based and camera-based technologies are the most common ones.In this report, the market of AR applications for cell phones has been investigated. Three use cases have also been investigated in order to get more knowledge about the designers' thoughts and visions.In order to analyze the technology and the applications in a broader and more scientific perspective, two theories has been used: Situation Awareness (SA) and the Service Dominant Logic (SDL). These theories seem useful when reflecting on the Swedish road administrations vision, and to investigate what the applications and the AR technology can contribute to the traffic domain.The conclusions of this thesis are that:- AR can be applied on most of the human senses, but augmenting by visualization is most common.- The market for cell phone applications is growing rapidly: AR applications are relatively new but on the rise.

Overall aim of this master?s thesis is to describe and identify perceived barriers in Swedish businesses within solar energy field and analyze, based on four theoretical viewpoints, how these barriers can be handled. In other words how can the barriers be overcome or eliminated to better succeed in the commercialization process? The method applied is qualitative in which data has been collected through phone interviews originated from seven Cleantech businesses which operate within solar energy. Furthermore this thesis has a descriptive- and an explorative purpose.

Trots en ökande trend av antalet kvinnliga entreprenörer är proportionen till manliga entreprenörer fortfarande relativt låg. Anledningen kan bland annat bero på att entreprenörskap definieras efter egenskaper som återfinns bland typiska manliga egenskaper som till exempel riskbenägenhet och en stor självtillit. Med stor sannolikhet är detta en av orsakerna till att få kvinnor kan identifiera sig själva med rollen som entreprenör. Denna studie undersöker vad som i nuläget utförs för att främja entreprenörskap bland kvinnor och vad detta kommer att bidra till i framtiden gällande det kvinnliga entreprenörskapet. Metoden har skapats genom ett kvalitativt tillvägagångssätt i form av intervjuer.

This thesis examines the verification of the terms and conditions stated in contracts based on the Public Procurement Act. In March 2013 the Swedish state procurement commission released " Good Business - A Strategy for Sustainable Public Procurement " (SOU 2013:12), which found that the proportion of control and verification is relatively low. The thesis examine how verification is carried out and looks for an explanation to why verification is not more oftenly performed. To answer these questions two care studies, based on seven semi-structured interviews, is presented as the empirical material. Network theory has been used to analyse the empirical results, and aspects of commonly used theories such as contract management and "Markets and Hierarchies" by Williamson has also been taken into account.

Social games have become a digital phenomenon over the last few years, affecting a lot of peoples everyday life. This paper focuses on how social games can affect workplace relationships. Through qualitative interviews I investigate how people who play with their colleagues experience the social games and their influence on the social interaction in the workplace. 10 interviews were carried out with people from four different organizations. The findings from these interviews were then put in relation to previous research and existing theories concerning workplace relationships and social games.

The master thesis ?Mechanical Integration of an IR-detector in a Micro Cooler? has beenperformed at FLIR Systems AB in Danderyd. FLIR Systems is a world leader in the design,manufacture and marketing of thermal imaging camera systems.The thesis project is divided into to two areas, Production Method and Noise.The Production Method concerns the positioning of a detector on the cold finger within the IRcamera.The detector has to be positiond with very high accuracy at the center of the cold finger,so it can be placed in line with the optical axis to avoid movement of the picture during zooming.The positioning of the detector is at present done with the help of specially designed guides on aplate on top of the cold finger. The design workes well but the special machining needed for thisplate is very expensive.The goal concerning the production method was to derive a new more cost effective method forthe assembling and positioning of the detector on the cold finger by replacing the guides on theplate with a reusable equipment or some other alignement operation.Several concept ideas have been generated with the help of concept generation methods in theform of concept classification trees and concept combinational tables. Two of these conceptswere selected to be further refined.