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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03980nam a2200409 4500 | |
| 001 | oai:DiVA.org:uu-300168 | |
| 003 | SwePub | |
| 008 | 160804s2016 | |||||||||||000 ||eng| | |
| 020 | a 9789155496432q print | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3001682 URI |
| 040 | a (SwePub)uu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a vet2 swepub-contenttype |
| 072 | 7 | a dok2 swepub-publicationtype |
| 100 | 1 | a Wennerström, Hjalmar,d 1984-u Uppsala universitet,Avdelningen för datorteknik,Datorarkitektur och datorkommunikation,Communication Research4 aut0 (Swepub:uu)hjawe557 |
| 245 | 1 0 | a A Node-Link Perspective on the Impact of Local Conditions in Sensor Networks |
| 264 | 1 | a Uppsala :b Acta Universitatis Upsaliensis,c 2016 |
| 300 | a 57 s. | |
| 338 | a electronic2 rdacarrier | |
| 520 | a Sensor networks are made up of small battery-powered sensing devices with wireless communication capabilities, enabling the network to monitor the environment in which it is deployed. Through their flexible and cable-free design these networks open up for new deployment scenarios that were previously not plausible such as during a natural disaster. Motivated by scenarios where centralized oversight is not possible the focus of this thesis is to equip nodes with further adaptability to changes in the links it has with other nodes. This is achieved through contributions in three areas focusing on observations from a node-link perspective.First, the impact the local environment has on the nodes is explored by deploying a sensor network outdoors next to a meteorological station to correlate the variations in link quality to the changes in the environment. The work identifies temperature as the main factor, where through further investigations in a controlled setting, a linear relationship between the decrease in signal quality and the increase in temperature is described.Secondly, the thesis address how nodes in a sensor network can be motivated to exchange data by modeling it as a game. The game theoretic design is motivated by the absence of any centralized control and focus on the nodes as individual users in the network. The presented design motivates the selfish nodes to participate in the exchange of sensor data, showing that it is the best strategy.Lastly, by exploring and understanding how connections in a mobile sensor network occur, nodes are given more flexibility to determine how to send and sample sensor data. This adaptability to contact occurrences is shown to provide better ways of sending data by selecting higher quality links as well as making sampling more energy preserving by reducing the rate in the vicinity of other nodes. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Elektroteknik och elektronikx Kommunikationssystem0 (SwePub)202032 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Electrical Engineering, Electronic Engineering, Information Engineeringx Communication Systems0 (SwePub)202032 hsv//eng |
| 653 | a Sensor networks | |
| 653 | a opportunistic communication | |
| 653 | a meterlological impact | |
| 653 | a packet corruption | |
| 653 | a multi-contacts | |
| 653 | a Computer Science with specialization in Computer Communication | |
| 653 | a Datavetenskap med inriktning mot datorkommunikation | |
| 700 | 1 | a Nordén, Lars-Åke,c Doctoru Uppsala universitet,Avdelningen för datorteknik4 ths0 (Swepub:uu)lalar121 |
| 700 | 1 | a Rohner, Christian,c Docentu Uppsala universitet,Avdelningen för datorteknik4 ths0 (Swepub:uu)chroh499 |
| 700 | 1 | a Wolf, Lars,c Prof.u Technische Universität Braunschweig4 opn |
| 710 | 2 | a Uppsala universitetb Avdelningen för datorteknik4 org |
| 856 | 4 | u https://uu.diva-portal.org/smash/get/diva2:951209/FULLTEXT01.pdfx primaryx Raw objecty fulltext |
| 856 | 4 | u https://uu.diva-portal.org/smash/get/diva2:951209/PREVIEW01.jpgx Previewy preview image |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-300168 |
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