Search for dissertations about: "sensor networks"

Showing result 21 - 25 of 243 swedish dissertations containing the words sensor networks.

  2. 21. A Node-Link Perspective on the Impact of Local Conditions in Sensor Networks

    Author : Hjalmar Wennerström; Lars-Åke Nordén; Christian Rohner; Lars Wolf; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Sensor networks; opportunistic communication; meterlological impact; packet corruption; multi-contacts; Computer Science with specialization in Computer Communication; Datavetenskap med inriktning mot datorkommunikation;

    Abstract : 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. READ MORE

  4. 22. Low-delay sensing and transmission in wireless sensor networks

    Author : Johannes Karlsson; Mikael Skoglund; Markus Flierl; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cooperative communication; wireless sensor networks; low-delay transmission; joint source-channel coding; estimation; quantization; Telecommunication; Telekommunikation;

    Abstract : With the increasing popularity and relevance of ad-hoc wireless sensor networks, cooperative transmission is more relevant than ever. In this thesis, we consider methods for optimization of cooperative transmission schemes in wireless sensor networks. READ MORE

  5. 23. Securing Communication in IP-Connected Industrial Wireless Sensor Networks

    Author : Shahid Raza; Mats Björkman; Ben Smeets; Mälardalens högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Wireless Sensor Networks; Security; 6LoWPAN; IPsec; WirelessHART; Computer science; Datavetenskap; Computer Science; datavetenskap;

    Abstract : With the advent of wireless sensor networks (WSN) and success of wirelesscommunication in the local and personal area networks such asWi-Fi and Bluetoothmore serious efforts to apply standard wireless communication in sensitiveindustrial networks were initiated. This effort resulted in the standardizationof WirelessHART. READ MORE

  6. 24. Uncertainties in Neural Networks : A System Identification Approach

    Author : Magnus Malmström; Fredrik Gustafsson; Isaac Skog; Daniel Axehill; Håkan Hjalmarsson; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; neural networks; uncertainty; system identification;

    Abstract : In science, technology, and engineering, creating models of the environment to predict future events has always been a key component. The models could be everything from how the friction of a tire depends on the wheels slip  to how a pathogen is spread throughout society. READ MORE

  7. 25. Efficient Flooding Protocols and Energy Models for Wireless Sensor Networks

    Author : Lasse Öberg; Youzhi Xu; Jan Nilsson; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wireless Sensor Networks; Electronics; Elektronik;

    Abstract : Wireless sensor networks are emerging from the mobile ad hoc network concept and as such they share many similarities. However, it is not the similarities that differentiates sensor networks from their ad hoc counterparts, it is the differences. One of the most important difference is that they should operate unattended for long periods of time. READ MORE