Search for dissertations about: "4g technology thesis"

Showing result 6 - 10 of 38 swedish dissertations containing the words 4g technology thesis.

  2. 6. Power Control for Multi-Cell Massive MIMO

    Author : Amin Ghazanfari; Emil Björnson; Erik G. Larsson; Mikael Johansson; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : The cellular network operators have witnessed significant growth in data traffic in the past few decades. This growth occurs due to the increases in the number of connected mobile devices, and further, the emerging mobile applications developed for rendering video-based on-demand services. READ MORE

  4. 7. Quality of experience measurement, prediction and provisioning in heterogeneous access networks

    Author : Karan Mitra; Lars Wolf; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Quality of Experience; context awareness; situation awareness; predicion; proactive adaptation; Pervasive Mobile Computing; Distribuerade datorsystem;

    Abstract : In mobile computing systems, users can access network services anywhere and anytime using mobile devices such as tablets and smart phones. Users usually have some expectations about the services provided to them by different service providers, for example, telecommunication operators and network providers. READ MORE

  5. 8. A Cross-Layer Perspective on Transport Protocol Performance in Wireless Networks

    Author : Stefan Alfredsson; Anna Brunström; Christer Åhlund; Karlstads universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Wireless networks; 4G; cross-layer interaction; TCP; UDP; emulation; performance evaluation; optimizations; Computer Science; Datavetenskap;

    Abstract : Communication by wireless technologies has seen a tremendous growth in the last decades. Mobile phone technology and wireless broadband solutions are rapidly replacing the last-hop wireline connectivity for telephones and Internet access. READ MORE

  6. 9. Cognitive Radio Networks : Elements and Architectures

    Author : Alexandru Popescu; Blekinge Tekniska Högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Cognitive radio network management; spectrum access; multiconstrained routing optimization; multi-dimensional adaptation; middleware;

    Abstract : As mobility and computing becomes ever more pervasive in society and business, the non-optimal use of radio resources has created many new challenges for telecommunication operators. Usage patterns of modern wireless handheld devices, such as smartphones and surfboards, have indicated that the signaling traffic generated is many times larger than at a traditional laptop. READ MORE

  7. 10. Studies on Selected Topics in Radio Frequency Digital-to-Analog Converters

    Author : Mohammad Reza Sadeghifar; Jacob Wikner; Adam Strak; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; DAC; Telecommunication; Semi-digital FIR filter; RF DAC; Sigma Delta Modulator; DDFS;

    Abstract : The network latency in fifth generation mobile technology (5G) will be around one millisecond which is much lower than in 4G technology. This significantly faster response time together with higher information capacity and ultra-reliable communication in 5G technology will pave the way for future innovations in a smart and connected society. READ MORE