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1007 Uppsatser om Mobile ad hoc networks - Sida 34 av 68
Att dela med sig av sin vardag : En studie om fotoapplikationen Instagram
Photography has long been of importance for humans in aspects of community, sharing and documenting. It has previously only existed in analogue format and with larger cameras. We have presently reached a new generation of cameras and photography. The new smaller compact cameras that are provided with most cellular phones take digital images of varying quality and accounts for a large part of photography. With the emergence of social media, photography and social interaction combined came photo applications with different features.
Nätverksdemokrati -vad bör, är, kan den vara
The main objective of the essay is to define the meaning of the termgovernance network on the basis of democratic values ? both normative andimperial - with the aim to analyse the prospects to develop an effective anddemocratic governance. Democratic values as well as civil participation,enlightenment, responsibility and approachability are discussed, but also moreeffectivness orientated values.It is clear from the presentation how normative and democracy models putdifferent values in focus, with the consequence that other values are played downor pushed aside. Compared to imperial research in partnership ? by definition atype of network arrangement - and with a starting point in democracy andefficiency, the networks are discussed as political formation.In what sense can the actual existing network arrangements meet and fulfil thedefined political values? As no straight forward answer exists, there is an ongoingconflict between the political demand for slowness and the effectiveness demandfor flexibility and mobility..
Mötesindustrin : Kongresser : samarbete, nätverk och värdeskapande
Background: The meeting industry has had undergone a extensive changes due to a number of factors. The globalization has meant that supply increases and congress organizers have more options to choose from. Development in communications, for instance internet, means that meetings can take place without a physical presence. Congress organizers as clients have also changes. Stockholm as position as a leading city to hold congresses in has also changed for the worse, in 2006 Stockholm dropped of the top-10 list.
Kolmogorov-Arnold N?tverk, Framtidens AI?
Artificiell intelligens integreras idag i alltfler tekniska system. Trots det, ?r det fortfarande
sv?rt att i praktiken implementera modeller fr?n grunden p? grund av h?ga resurskrav i form
av data och ber?kningskraft. Detta motiverar s?kandet efter effektivare modeller.
I denna artikel unders?ks Kolmogorov Arnold Networks (KANs), en alternativ arkitektur
av neurala n?tverk och j?mf?rs med traditionella arkitekturer som multilayer perceptrons
(MLPs) och faltningsn?tverk.
Telias 4G i Umeå
This report presents the results of the tests of data rate and signal strength that I have conducted. The tests have been performed in the municipality of Arvidsjaur, Sweden. The report also contains the conclusions I have drawn from the results as well as an introduction to radio and the technology used in the nets that have been testedThe equipment used is:LG G2 cellphone used to test Telias 3GHuawei b593s-22 3G/4G router used to test Tele2s 3G/4GMobile Broadband Gateway R-90 used to test Net1s CDMAThe data rate has been tested with bredbandskollen (www.bredbandskollen.se). The signal strength(RSSI) has been read in the configuration menu of the broadband routers as well as in the cellphone.The conclussions drawn:Net1s net appears to be more used compared to its capacity than the other netsTele2s net has a high and even data rate where it?s signal strength is sufficient.
Effektiv produktutveckling på Sony Ericsson Mobile Communications AB
Denna studie är genomförd på uppdrag av Sony Ericsson Mobile Communications med syftet att identifiera faktorer som påverkar effektiviteten i utvecklingsarbetet och förklara dem ur ett effektivitetsperspektiv. Dessutom skall det undersökas hur det är möjligt att bibehålla eller rent utav öka produkternas och processernas kvalitet. Studien är avgränsad till mekanikorganisationen inom företagets FoU-del och hänsyn till finansiella data har ej tagits. Under hösten 2002 genomfördes en omorganisation med syfte att öka kunskapsnivån och förbättra effektiviteten och det är med denna omorganisation i tankarna som studien genomfördes. Under denna period genomförde även författaren sitt examensarbete inom civilingenjörsutbildningen på just en mekaniksektion som produktutvecklare.
How streaming media can be used in commercial mass
distribution
Mass distribution with techniques as multicast and peer-to-peer are becoming increasingly important in the Internet. Today the distribution of sound and video over Internet, so called streaming media, is static due to the unicast method. This results in a linear increase of distribution costs and therefore no conditions for commercial scalability. This thesis describes why multicast may be the only scalable alternative for commercial mass distribution of streaming media over Internet. Mass distribution through peer-to-peer technology promises a lot but is fronting a couple of great challenges, for example asymmetric bandwidth, locality and legalization.
Kvantitativ studie om knappsatsdesign och knappstorlekars påverkan på träffsäkerhet
A mobile testing application using Unity was developed to analyse what impact button sizes and button layouts has on the accuracy of touch as well as the time to finish a labyrinth. This was tested on a Nexus 4 phone. 28 users navigated a small object through a labyrinth in which they collect keys to open the door to the exit. Each participant did the test 6 times with different combinations of button size and button layout each time, done in a random order. Hits, misses, completion time, order of button size and order of button layout was collected and then visualized using R.
Mobila enheter, webben och centrala designprinciper
Det har blivit allt vanligare att vi idag använder våra mobila enheter till att besöka webben. I detta examensarbete undersöks vilka centrala designprinciper en designer bör eftersträva när avsikten är att förenkla användningen av en webbplats i en statisk och en rörlig situation via den mobila enheten. Examensarbetet innefattar en litteraturgenomgång, observationsintervjuer vid två tillfällen och en prototyputveckling. Det första intervjutillfället identifierade de grundläggande designprinciperna som sedan stod till grund för prototypen. Det andra intervjutillfället genomfördes mot prototypen med samma individer.
Analys av datakommunikationssäkerhet för VoIP-protokoll
Voice over IP (VoIP) is a relatively new technology that enables voice calls over data networks.With VoIP it is possible to lower expenses, and increase functionality and flexibility. FromSwedish Armed Forces point of view, the security issue is of great importance, why the focus inthis report is on the security aspect of the two most common open-source VoIP-protocols H.323and SIP, some of the most common attacks, and counter-measures for those attacks.Because of the level of complexity with a network running H.323 or SIP, and the fact that it hasyet to stand the same level of trial as of traditional telephony, a VoIP-system includes manyknown security-issues, and probably at present many unknown security flaws.The conclusion is that it takes great knowledge and insight about a VoIP-network based onH.323 or SIP to make the network satisfyingly safe as it is today, and is therefore perhaps not asuitable solution for the Swedish Armed Forces today for their more sensitive communications..
Det moderna biblioteket: Om biblioteks marknadsföring i sociala medier
The aim of this thesis is to investigate how libraries market themselves in social media and why they do it. I have studied a certain public library?s process of introducing social media into its marketing mix, the preparations for this process and the effects of these marketing methods.The theoretical framework for this thesis is based on relationship marketing, a theory which focuses on relationships, networks and interaction. My main method has been semi-structured interviews with a librarian at the relevant library, with the manager of the library and with the head of the municipality?s department of communication.The results of my studies show that marketing on social media is a positive and important thing for libraries.
Mätning av mobila datanät i Arvidsjaur
This report presents the results of the tests of data rate and signal strength that I have conducted. The tests have been performed in the municipality of Arvidsjaur, Sweden. The report also contains the conclusions I have drawn from the results as well as an introduction to radio and the technology used in the nets that have been testedThe equipment used is:LG G2 cellphone used to test Telias 3GHuawei b593s-22 3G/4G router used to test Tele2s 3G/4GMobile Broadband Gateway R-90 used to test Net1s CDMAThe data rate has been tested with bredbandskollen (www.bredbandskollen.se). The signal strength(RSSI) has been read in the configuration menu of the broadband routers as well as in the cellphone.The conclussions drawn:Net1s net appears to be more used compared to its capacity than the other netsTele2s net has a high and even data rate where it?s signal strength is sufficient.
Att optimera för målgruppen : Processen att skapa en målgruppsanpassad landningssida för Rebtel
Företaget Rebtel ville ha en ny landningssida som riktade sig till internationella studenter. Denna sida skulle vara optimerad för målgruppen både gällande design och innehåll. En förundersökningen bestående av bland annat intervjuer med målgruppen, målgruppsanalyser och research gjordes därför. Förundersökningen bestod också av intervjuer med olika roller på företaget Rebtel för att få en inblick i olika arbetsrollers perspektiv och uppgifter under en sådan process. Med hjälp av förundersökningens fynd togs skisser fram och en landningssida utvecklades bland annat genom programmeringsspråken HTML5, CSS3, LESS, JavaScript, .NET och C#.
Politecast : ett nytt kommunikationsprimitiv för trådlösa sensornätverk
Wireless sensor networks have the potential for becoming a huge market. Ericsson predicts 50 billion devices interconnected to the Internet by the year 2020. Before that, the devices must be made to be able to withstand years of usage without having to change power source as that would be too costly. These devices are typically small, inexpensive and severally resource constrained. Communication is mainly wireless, and the wireless transceiver on the node is typically the most power hungry component.
HAVECA-modellen - En metod för att fortlöpande säkra ett internt nätverk mot tredjepart
This thesis will address a problem concerning availability of information
systems at an enterprise within the financial sector and its external
suppliers, so called trusted third party. The information system resides on the
internal network of the enterprise and must be available to both employees of
the enterprise and the trusted third party simultaneously. This contradicts the
company policy which
disallows third parties access to the internal network. The HAVECA-model
introduced in this thesis provides a framework of methods, each solving a sub
problem identified in the model. The identified methods are hardening,
verification, control and assurance, together supplying a method for
continuously securing the internal network against a trusted third party.