Now showing items 1-20 of 29

    • Benefits of IPv6 in Cloud Computing 

      Gâdescu, Vlad (2012-08-15)
      Efficiency is one of the main focuses of the world, today. As the entire world relies on computers and networks, their efficiency is of utmost importance. Energy, processing power, storage and data access must all be used ...
    • Comparing and Measuring Network Event Dispatch Mechanisms in Virtual Hosts 

      Maharjan, Pasa (2012-08-15)
      Virtualization technology provides the foundation for building and managing reliable virtualized IT infrastructure by abstracting processors, memory, storage and networking resources into multiple virtual machines. As a ...
    • Comparison between Droptail and AQM-RED in Wireless Network 

      Wang, Mengnan (2012-06-06)
      Queue management is a way to control congestion. There are two algorithms used with TCP protocol that are commonly utilized in nowadays network: Droptail and RED. Droptail is easy to implement but has the problems of lockout ...
    • Comparison of different versions of TCP in 802.11 WLANs 

      Xing, Song (2012-08-15)
      Nowadays, Transmission Control Protocol (TCP) is widely used in 802.11 Wireless Local Area Networks (WLANs) because it can provide reliable communication connection between two hosts. This thesis discusses whether a base ...
    • Cross-layer per-flow QoE evaluation for VoIP in wireless system 

      Gholibeigi, Mozhdeh (2011-06-08)
      The Internet as the biggest worldwide network provides a huge range of facilities and conveniences. Different types of communication applications are one of the most manifest conveniences provided up ...
    • Distributed Repair of Digital Broadcasts 

      Husberg, Janne (2012-10-03)
      Digital broadcasts are a highly efficient way of transmitting data to a large number of receivers, but they are typically not designed for reliable transmission. In this thesis we attempt to design a fully peer-to-peer ...
    • Efficient Routing Protocol in Delay Tolerant Networks (DTNs) 

      Karimzadeh, Morteza (2011-06-08)
      Modern Internet protocols demonstrate inefficient performance in those networks where the connectivity between end nodes has intermittent property due to dynamic topology or resource constraints. Network environments where ...
    • Elastic Build System in a Hybrid Cloud Environment 

      Seppänen, Ville (2011-11-09)
      Linux-based operating systems such as MeeGo consist of thousands of modular packages. Compiling source code and packaging software is an automated but computationally heavy task. Fast and cost-efficient software building ...
    • HSDPA Macro-to-Indoor Mobility Measurements Using WCDMA Repeater and Pico Cell 

      Subramaniam, Rajadurai (2011-09-07)
      With the advancements in DSP, mobile terminals are becoming smaller and smarter every day. The more the mobile becoming data centric, the more is the number of users from indoors. From radio network planning point of view, ...
    • Indoor MIMO performance with HSPA+ and LTE 

      Kopsala, Jouni (2012-06-06)
      The focus of this thesis is to perform and study indoor measurements with both HSPA+ and LTE MIMO setups. The reason behind this study is to validate the benefits of MIMO implementation in indoor cells. MIMO scheme is ...
    • Influence of Intercell Interference on HSDPA Indoor Networks 

      Molero Rodenas, Beatriz (2011-09-07)
      Nowadays the high demand of data based services has become one of the key issues in the telecommunications sphere. Mobile cellular networks are thus willing to provide the necessary capacity that this growth demands. While ...
    • Internet-pohjaisen maksujärjestelmän valinta ja käyttöönotto 

      Sivula, Joni (2012-03-07)
      Internetin välityksellä myydään enemmän tuotteita ja palveluita kuin koskaan aikaisemmin. Jotta kaupankäynti Internetissä olisi mahdollista, maksujen suorittamiseen tarvitaan jonkinlainen maksujärjestelmä. Tässä diplomityössä ...
    • ITIL-prosessien soveltaminen tietoliikenneoperaattorin toiminnassa 

      Aho-Pynttäri, Lauri (2012-11-07)
      Diplomityössä tutkittiin ITIL-viitekehyksen soveltumista tietoliikenneoperaattorin toimintaan. ITIL (Information Technology Infrastructure Library) on IT-palvelunhallinnan malli, jossa on kerättynä yhteen IT-alan parhaita ...
    • Low Power Switched Capacitor DC-DC Converters for Low Power Transceiver Applications 

      Haq, Faizan Ul (2012-02-08)
      DC-DC converters, also known as switching voltage regulators, are one of the main components of a power management unit. Their main role is to provide a constant, smooth output voltage to power the electronic devices. ...
    • LTE Performance Analysis on 800 and 1800 MHz Bands 

      Sainju, Prabhat Man (2012-09-05)
      Long Term Evolution (LTE) is a high speed wireless technology based on OFDM. Unlike its predecessors, its bandwidth can be scaled from 1.6 MHz to 20 MHz. Maximum theoretical throughputs from the LTE network in downlink can ...
    • LTE performance study 

      Raza, Syed Numan (2012-04-04)
      Long Term Evolution (LTE) has been designed with new architecture and features to meet user’s high data rates demand for a longer term in the future. 3rd Generation Part-nership Project (3GPP) has set the goals and targets ...
    • LTE System Performance Simulations 

      Kumar, Ashok (2012-12-05)
      Use of multimedia services, such as streaming of high quality videos on mobile devices is increasing drastically which requires high data rate and bandwidth on mobile devices. Therefore LTE system is introduced by 3GPP ...
    • Non-repudiation Service Implementation Using Host Identity Protocol 

      Siltala, Santeri (2012-05-09)
      New types of service usages emerge every day in the Internet. Service usage could be Wireless Local Area Network (WLAN) usage or watching a streamed movie. Many of these services are commercial, so payment is often involved ...
    • Physical activity and event detection with inertial sensors: Design and evaluation for low power microcontroller 

      Ganesan, Karthikeyan (2012-06-06)
      The aim of this thesis is to design inertial sensor based activity recognition for a low power continuous sensing architecture for today's mobile technology using a dedicated low-power sensor processor. The system framework ...
    • Reputation Based Trust Management in a Wiki Environment 

      Kannisto, Joona (2011-12-07)
      Trust makes our life easier, as we can focus our resources to productive actions instead of verifying the actions of others. Many services in our society would not be possible without trust. We trust products and services ...