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Showing result 1 - 5 of 7 essays matching the above criteria.

  1. 1. Energy-Efficient Vertical Handovers

    University essay from KTH/Kommunikationssystem, CoS

    Author : José María Rodríguez Castillo; [2013]
    Keywords : Vertical Handover; Offload; LTE; 4G; WLAN; Wi-Fi; Energy consumption; Energy savings; Energy-efficient; Handover; IEEE 802.11; Vertikal Handover; Avlastning; LTE; 4G; WLAN; Wi-Fi; Energiförbrukning; Energibesparingar; Energieffektiv; IEEE 802.11; Smartphone; Batteriets livslängd;

    Abstract : Recent studies have shown that there are currently more than 1.08 billion of Smartphones in the world, with around 89% of them used throughout the day. On average each of these users transfers more than 450 Mbytes per month via either a cellular network or a Wi-Fi network. READ MORE

  3. 2. Implementation of 64-point FFTs as a building block for OFDM-based standards with respect to different criteria

    University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Author : Sarojanarayanamurthy Rajavari Krishnaih Lokanadhan; [2013]
    Keywords : ;

    Abstract : Abstract This master thesis implements a critical block: Fast Fourier Transform (FFT)/Inverse Fast Fourier Transform (IFFT) for standards using Orthogonal Frequency Division Multiplexing (OFDM). They are used in OFDM systems for modulating / demodulating subcarriers. READ MORE

  4. 3. Comparative study of WiMAX and LTE uplink using SDCMA and LSCMA

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Jaswini Reddy Potuganuma; [2010]
    Keywords : Wimax; LTE uplink; physical layer; SDCMA; LSCMA; FSE; blind equalizer;

    Abstract : Blind equalizers are widely used in wireless communications for minimizing Inter Symbol Interference (ISI). The Constant Modulus Algorithm (CMA) is one of the popular blind equalizers used in broad band applications. This master’s thesis investigates the Steepest Descent Constant Modulus Algorithm (SDCMA) i.e. READ MORE

  5. 4. Multihop Concept in Cellular Systems

    University essay from Institutionen för teknik och byggd miljö

    Author : Kiran Rangineni; [2008]
    Keywords : Multihop; Cellular; Capacity and Throughput.; Relay station; IEEE 802.16j; WiMAX; MAC; PHY; OFDM; OFDMA; Coverage;

    Abstract : We are very thirsty in terms of everything to fulfil our needs in a sophisticated way, and this leads me choose the so called master thesis titled “Multihop Concept in Cellular Systems”. This thesis introduces an approach towards the integration of relaying or multihop scheme in the next generation of cellular networks. READ MORE

  6. 5. Capacity and Cell-Range Estimation for Multitraffic Users in Mobile WiMAX

    University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

    Author : Amir Masoud Ahmadzadeh; [2008]
    Keywords : mobile wimax; IEEE802.16; capacity estimation; mixed user traffic;

    Abstract : The fundamentals for continued growth of broadband wireless remain sound. According to the Ericsson’s official forecasts, the addressable global market of wireless internet broadband connectivity reaches to 320 million users by the end of 2010. READ MORE