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Hittade 2 uppsatser som matchar ovanstående sökkriterier.

  1. 1. 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

  3. 2. Concealment Materials and Techniques for mm-Wave Advanced Antenna Systems

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Adhitya Bharadwaj Sriram; [2018]
    Nyckelord :AAS AdvancedAntennaSystems ; EIRP EquivalentIsotropicRadiatedPower ; mm-Wave MillimeterWave ; ConcealmentMaterials; BaseStation; AAS AdvancedAntennaSystems ; EIRP ekvivalentisotropiskutsråladeffekt ; mm-Wave Millimetervåg ; Maskeringsmaterialen; Radiobasstationer;

    Sammanfattning : With the advent of the 5G technology standard for communication, it is esti-mated that around 50 billion devices around the world will be interconnectedunder this standard [1]. This has prompted the need to investigate new ma-terials, technologies and methods to conceal antennas for preserving the aes-thetic value of urban centers, and preventing these antenna systems from beingidentified or damaged. LÄS MER