Sökning: "MIMO"

Visar resultat 1 - 5 av 173 uppsatser innehållade ordet MIMO.

  1. 1. User Equipment Characterization using Machine Learning

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Vanessa Fakhoury; Xin Zhou; [2019]
    Nyckelord :machine learning; characterization; massive MIMO; beamforming; neural networks; support vector machine; logistic regression; multiclass neural networks; Technology and Engineering;

    Sammanfattning : With the ever increasing demand for higher data rates and reliability, efficient management of cellular networks remains a challenge. Among other technologies, fifth generation systems are expected to tackle this challenge using large electronically controllable antenna arrays operating in the time division duplex mode. LÄS MER

  2. 2. Application of machine learning in 5G to extract prior knowledge of the underlying structure in the interference channel matrices

    Master-uppsats, KTH/Matematisk statistik

    Författare :Danilo Peng; [2019]
    Nyckelord :Machine learning; 5G; interference channel; blind source estimation; MIMO; OFDM; bandwidth prediction; support vector machines; artificial neural network.; Maskininlärning; 5G; interferencekanal; stödvektormaskin; neurala nätverk; brandbedd estimering;

    Sammanfattning : The data traffic has been growing drastic over the past few years due to digitization and new technologies that are introduced to the market, such as autonomous cars. In order to meet this demand, the MIMO-OFDM system is used in the fifth generation wireless network, 5G. LÄS MER

  3. 3. Reduction of Crosstalk Distortion in 5G

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Ali Al-Qamaji; Fida Abdalrahman; [2019]
    Nyckelord :Wireless Communication; Power Amplifier; Linearization; Digital predisposition; 5G; Massive MIMO.; Technology and Engineering;

    Sammanfattning : Increasing demand for higher data rates in wireless communication systems has tremendously evolved over the last years. This demand is rapidly increasing with rising in number of wireless devices. LÄS MER

  4. 4. Codebook Based Multi-User MIMO for 5G

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Ralf Hajjar; Rahul Venkat Vissakodeti; [2019]
    Nyckelord :codebook type II; precoding for 5G; Technology and Engineering;

    Sammanfattning : Better signal strength is required to provide a good signal service to the UE. For this, different methods and techniques are available, one of them is codebook type II precoding. This method has a potential to provide an amount of energy to the user in the required direction more precisely than Codebook type I. LÄS MER

  5. 5. Beamforming Solutions for Efficient Link Setup and Link Maintenance in mmWave Communication Systems

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Hesham Sharkas; Haruhi Echigo; [2019]
    Nyckelord :5G; Beamforming; Beam-forming; Beam Management; Beam Searching; Beam Sweeping; Codebook; code-book; Initial Access; MIMO; MillimeterWave; millimeter wave; mmWave; mm-Wave; mm Wave; Precoding; Slepian Beam; Synthesizer; Beam Synthesizer; Technology and Engineering;

    Sammanfattning : Millimeter wave (mmWave band) technology has gained a lot of attention in 5G communications, due to large amounts of spectrum being available in the mmWave frequency range. However, mmWave links suffer from severe free-space loss and atmospheric absorption. LÄS MER