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608 Uppsatser om Wireless networks - Sida 15 av 41
Kundanalys av tryckpappersförbrukare i Finland
The negative trend of newspapers reading gives the owner of several paper manufacturingcompanies in the West worries. Producers should be more concern to strengthen their marketpositions in order to maintain profitability in the paper mills. Holmen Paper is a medium sizedpaper mill company with all of their production in Europe. Sales are mainly made to printingcompanies operating in European countries. In order to strengthen their economic strengthHolmen Paper needs to increase the market share in markets where they have the greatestprofit margins.
Språkstöd i distanslaboratoriet på BTH
To study and laborate at distance, its necessary that the coursematerial is
accessible via internet.
Teaching at more languages than swedish bocomes more common,
why the information of courses needs to exist at several languages.
As teacher, you need a way to publish and edit material of a course. It also
has to be easy for the students to find the information. The distance
laboratory have developed an administrative websystem that handles programme,
courses and students, but misses the possibility for teachers to change content
at the webpages and publish new coursematerial on a way..
Snabb och säker roaming i WLAN
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).
Implementation av fältbuss ASIC i FPGA
HMS Industrial Networks AB is in need of changing a communications solution that iscurrently based on an ASIC. This will be achieved by moving the communications solution toa FPGA with the help of the programming language VHDL. By doing this, it is possible toreduce the need for specific circuits, get a more flexible platform and thus get a cheapersolution.This report describes a solution for how to move a network protocol from an ASIC to anFPGA. The report shows that the network slave device is working under the guidelines forthis project. This means that it is quite realistic to implement a fieldbus protocol on an FPGA,using VHDL and to maintain the same functionality as the earlier communications solution..
Allmänhetens säkerhetsmedvetenhet med avseende på trådlös kommunikation
Offentliga trådlösa nätverk finns idag mer tillgängliga än någonsin. Samtidigt haralla dessa nätverk något gemensamt ? de går alla att avlyssna och risken finns attanvändarens information kan komma i fel händer. Uppsatsen behandlarallmänhetens säkerhetsmedvetenhet med avseende på denna typ av nätverk genomtvå undersökningar. Den första undersökningen sker via ett tekniskt experiment därdet på flera geografiska platser har erbjudits ett trådlöst nätverk till allmänheten.
Kommunikation i multiagentsystem
Communication is an important part of any multi-agent system. There are
different ways of communicating and they have different effects on a
multi-agent system. This project describes and evaluates two different ways of
communication, implicit and explicit. To compare the two methods, two
experiments have been executed. The result of the experiments have been
compared and discussed.
Korsplattformskommunikation med Bluetooth Low Energy
This project investigated the current market regarding wireless net and the communication between the tools used for diagnostics/maintenance and an embedded system. Based on documentation obtained through interviews a demo system was created based on Bluetooth Low Energy (BLE) communication between an embedded system and an Android device.This report intends to describe the tools and methods used in the design of the demo system and the result of an analysis of the BLE communication.Bluetooth Low Energy is an exciting protocol with wide applicability within the industrial field. This project investigated the communicational possibilities between a Smartphone and a Raspberry Pi and based on the results that emerged the conclusion can be drawn that BLE is a protocol with many beneficial applications within industrial IT..
En IT-baserad plattform för skolförbättring : En kvalitativ studie av lärares informations- och erfarenhetsutbyte
This thesis has created an image of the exchange of information among teachers in the Swedish upper secondary school. The study indicates that the exchange of information seems to be limited at all levels and the exchange that takes place outside the own teaching team occurs mainly through teachers personal networks. The study also shows barriers that may exist and the opportunities that an increased exchange may generate. From the picture that the empirical material provides and the theory that is presented a discussion is made around how IT can best support the organizational learning in schools. A concrete proposal is that at national level an IT platform should be created, which primarily focuses on materials that are created by its users and has an open architecture with a single login..
Software keystroke logging : Automatisering av skydd mot software keystroke logging
This piece of work develops a solution that automates protection against software keystroke loggers. Keystroke loggers can be used illegally to register a user's keystrokes and in that way acquire sensitive information. The solution was tested on two different networks and the efficiency was measured. The network represents an enterprise network that uses the operating system Windows along with the directory service Active Directory. A script was developed to solve the automation matter.
Trådlösa Nätverk : säkerhet och GPU
Trådlosa nätverk är av naturen sårbara for avlyssning för att kommunikationen sker med radiovagor. Därfor skyddas trådlosa nätverk med kryptering. WEP var den första krypteringsstandarden som användes av en bredare publik som senare visade sig innehålla flera sårbarheter. Följden blev att krypteringen kunde förbigås på ett par minuter. Därför utvecklades WPA som ett svar till sårbarheterna i WEP.
BTIF - Bluetooth identifier framework: Ett ramverk för trådlös automatisk identifiering via bluetooth
Det finns idag goda möjligheter att beröringsfritt kontrollera elektroniska objekt. Ett exempel är belysning som aktiveras via rörelsesensorer.Enkla lösningar innehåller oftast sensorer för ljud, ljus eller rörelse vilka används för att aktivera ett styrobjekt, vanligen genom att slå på eller av en elektronisk strömbrytare kopplad till styrobjektet. Behövs det mer säkerhet och möjlighet att bevisa för styrobjektet vem individen är som försöker få styrobjektets uppmärksamhet behövs det mer än en enkel sensor. Det behövs en anpassning för att separera olika bluetoothenheter från varandra. Bluetooth är en teknik för att trådlöst skicka information mellan två enheter.
Strålande tider, härliga tider? Konsumtion av pilsnerfilmer och äldre svenska komiska filmer i en nutida kontext
In Sweden there has been a surge of interest in the films classified as pilsnerfilms, i.e. comicalfilms produced for little money in the 1930's and containing a more working class and/or ruralsetting then the so called "champagne comedies" from the same era. The concept"pilsnerfilm" is how ever a little vague and although the main focus of this paper ispilsnerfilms, it will also cover other types of comical films made in Sweden between the1930's and 1940's.This paper examines the now-existing network of people interested in these types of movies.It will do so by interviewing seven of the most prominent fans of movies made during the1930's and 1940's. Most of them are living in Stockholm. The paper discuss how through theconsumption of these types of films, a nostalgic gaze is created.
Empowerment i multisystemisk terapi- en kvalitativ studie av MST teamet i Halmstad
The study was performed based on a qualitative method using a hermeneutical approach used to interpret the semi-structured interviews. The study aimed to investigate the Multisystemic therapy (MST) team in Halmstad municipality perceptions on the treatment method multisystemic therapy for youths from the ages of 12-18 years old.The questions were: Does the MST therapists experience that the MST is a method that leads to an improved situation for young people who receive the method? What do the MST therapists describe as opportunities and obstacles in the work with the method?The study builds on previous research on MST and empowerment based on MST. The study shows three therapists and an MST leader's experiences of the treatment and how it is aimed at influencing the parents and the youth for a change. From therapists statements it highlights how the MST method is designed for the young people?s motivation to change by means of the internal and external networks.
Undersökning och utformning av ett generellt datainsamlingssystem i LabVIEW
This report is the result of a diploma work made at IMT at US in Linköping. The purpose of this piece of work is to investigate the possibility to design a general program for data-acquisition using LabVIEW, suiting different hardwares and connections. Great importance has been attached to communication with serialport, using bluetooth, because different wireless PPG-instruments has been developed parallel to this project. These PPG-circuits uses this type of serialcommunication. Communication with USB, GPIB and analog connection has also been examined and analog communication has been tested practically.
Analys, design och implementering av Orbit ones dokumenthanteringssystem
This report describes the development of a system for controlling documents.
The report
starts with a problem description which the company wants an intranet-based
solution
for. The report then continues to describe the development phase for the
different parts
of the system which results in a complete system.
The company that wanted this system is called Orbit One and is located in
Ronneby,
Sweden. They have had a problem with old documents circulating in different
versions
and in different binders. Now thanks to their new system they can access their
documents easy and on demand through their intranet..