Now showing items 21-29 of 29

    • RSS-based position estimation in cellular and WLAN networks 

      Shrestha, Shweta (2012-03-07)
      Indoor positioning and tracking is gaining more and more interest in the research field, motivated on one hand by the desire to achieve seamless ubiquitous positioning and, on the other hand, by the potential of huge ...
    • Software and hardware variation in Symbian camera system 

      Nayak, Sachin (2012-05-09)
      During the past decade, multimedia features in mobile phones have become common. Even the low-end category mobile phones are equipped with camera in order to capture digital images and record videos. Mobile phones are ...
    • Study of Negative Effects of Traffic Localization 

      Mira Sanchez, Cesar (2011-06-08)
      P2P networks has become one important network for users and ISP. Users wants to share and take profit of this new networks. On the other hand, ISP don not want users to use so intensively their internet connections because ...
    • System Level Performance Evaluation of Client Cooperation in Wireless Cellular Networks 

      Pyattaev, Alexander (2011-12-07)
      Growing demand for bandwidth dictates the use of smaller wireless cells, which results in increased inter-cell interference. In most contemporary cellular systems, the clients at the cell edge typically have the worst ...
    • Testing and Evaluation of a DNS64/NAT64 System 

      Lähteenmäki, Esa (2011-08-17)
      Internet on kasvanut huimasti yli sen alkuperäisten kehittäjien villien unelmien. Aikoinaan, kun IP-protokollaa oltiin kehittämässä, ei kukaan voinut ennalta nähdä tilannetta, jossa globaali osoiteavaruus loppuisi jonakin ...
    • TV White Space Network Planning and Co-Channel Interference Estimation 

      Niskanen, Sauli (2012-05-09)
      The frequencies that are suitable for radio communication are a scarce resource and some of the licensed frequency bands are considered to be underexploited. The future visions comprehend using the spectrum more efficiently, ...
    • Two-Phase DC-DC Buck Converter for Power Amplifier Modulation 

      Islam, Mohammad Moakhkhrul (2012-05-09)
      This thesis presents the theory, design, layout and a proposal for measurement set up of a synchronous DC-DC buck converter. This converter will be used as the supply modulator of power amplifier of mobile phones. The ...
    • UI Test Automation in Symbian Camera Software Development 

      Dev, Rupesh (2011-06-08)
      Software testing is one of the most cost-intensive tasks in the modern software production process. Software testing needs to be effective not only at finding the defects, but also in performing the tests as quickly and ...
    • Vector Tracking Loop Design for Degraded Signal Environment 

      Kanwal, Nazia (2011-06-08)
      The performance of GPS degrades significantly in urban canyons and in indoor environments. There has been significant research in order to enhance the performance of a GPS receiver in such challenging environment but still ...