Yazar "Guneser, Muhammet Tahir" seçeneğine göre listele

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    The Importance of Mode Spacing of Multimode Laser Diode to Generate the THz Signal
    (Ieee, 2018) Öztürk, Turgut; Guneser, Muhammet Tahir
    When examined Time Domain Spectroscopy system which uses multimode laser diodes (MLD) for THz signal generation, the importance of mode spacing of MLD is remarkable. When the previous studies are compared with each other, it has been determined that the wavelength distance between each mode of MLD should be small. In this context, the optical spectrum analyzer (OSA), which examine the mode spacing, can be used to predict the success of the MLD in the THz signal generation. Thus, in order to be able to choose the most suitable MLD (cheap and compact) to be used in a TDS system, the mode spacing analysis will be sufficed.
  • Küçük Resim Yok
    Öğe
    A Review of Millimeter Wave Communication for 5G
    (Ieee, 2018) Seker, Cihat; Guneser, Muhammet Tahir; Öztürk, Turgut
    The millimeter wave (mmWave) bands give new facilities with tremendous amount of spectrum to fifth generation (5G) mobile communication network to supply mobile data demand, which is expanding out of control. Essential differences are considered between conventional systems and mmWave communications, regarding directivity, sensitivity to blockage and high propagation loss. mmWave brings various challenges in communication on some issues such as anti-blocking, interference management, spatial reuse, dynamic control and system design for fully utilizing. In this study, we surveyed on solutions and standards for these challenges and we proposed design principles in architecture and protocols for mmWave communications. And previous studies in the literature on whether the millimeter wave band can be tested in small cell access in 5G, cellular access in 5G and wireless backhaul in 5G or not have been investigated. Also, we described prospective using areas of mmWave in 5G.