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Yazar "Koca, Mutlu." için Fen Bilimleri Enstitüsü listeleme

Yazar "Koca, Mutlu." için Fen Bilimleri Enstitüsü listeleme

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  • Advanced techniques for the design of MIMO free space optical communication systems 
    Özbilgin, Tuğba. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Free space optical (FSO) communication is an effective alternative to radio frequency (RF) communication in terms of potential high data rates, cost efficiency and wide bandwidth on unregulated spectrum. However, FSO systems ...
  • Advanced transceiver design for continuous phase modulation 
    Özgül, Barış. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This dissertation proposes advanced transceiver designs applying turbo and space-time (ST) concepts to continuous phase modulation (CPM), which is preferred in numerous power- and band-limited communication systems for its ...
  • Amplified backscattering in RFID communications with energy harvesting tags 
    Ünalan, Denizhan. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2018., 2018.)
    The main objective of this thesis is to investigate the backscatter modulation based radio-frequency identification (RFID) communication with energy harvesting tags. Thus, the study analyzes the impacts of energy harvesting ...
  • BIT interleaved coded spatial modulation 
    Kadı, Furkan Kerim. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Spatial modulation is a novel modulation technique that utilize antenna space in addition to symbol space for information transmission. This technique is implemented with the well known BICM system to provide robustness ...
  • Blind Bayesian multiuser detection for impulse radio UWB systems 
    Ay, Ahmet Gökhan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In this thesis, we address the blind parameter estimation and multiuser de- tection problems for impulse radio ultra-wide band (UWB) systems under frequency selective fading. The frequency selective UWB channel, having a ...
  • Deep packet inspection methods for network intrusion detection and application classification 
    Ateş, Çağatay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Deep packet inspection methods have become more sophisticated with the rapidly developing technology. To understand the condition of the network, many different packet inspection techniques have been evolved. Newly developing ...
  • Design and analysis of non-orthogonal multiple access in communication systems 
    Coşandal, İsmail. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Non-Orthogonal Multiple Access (NOMA) has emerged as a promising technique to satisfy the high demand of users in future wireless networks. The NOMA literature is heavily based on Power-Domain NOMA (PD-NOMA), which inherently ...
  • Design of blocks for an ultra wireband transceiver 
    Akdağ, Evren. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Ultra wideband (UWB) is one of the strongest technologies for short-range high data rate and longer range low data rate communications. Wireless personal area networks are one example of the first group while wireless ...
  • Frequency domain channel estimation and symbol detection for impulse radio ultra-wireband systems with short cyclic prefix 
    Bahçeci, Salim. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Frequency Domain (FD) reception techniques provide the telecommunication system designers with low complexity receiver structures. However, when ultra-wideband (UWB) communication is considered with long channel impulse ...
  • Impulse radio ultra-wideband communication over free-space optical links 
    Davaslıoğlu, Kemal. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    A composite impulse radio ultra-wideband (IR-UWB) communication system is presented. The proposed system model aims to transmit UWB pulses over several kilometers through free-space optical (FSO) links and depending on the ...
  • Integrated ultra-wideband receiver system and antenna design 
    Akkurt, Halit Kürşat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Ultra wideband (UWB) is one of the important technologies among the communication types, which is able to reach high data rate in short distances. Wireless personal area networks and wireless sensor networks are the primary ...
  • Inter-cell interference coordination in OFDMA networks: two autonomous-distributed algorithms 
    Gök, Alican. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In OFDMA cellular networks, inter-cell interference hinders system performance, especially for users located at the cell edges. Inter-cell interference coordination (ICIC) techniques have been investigated by both the ...
  • Mobility load balancing in self-organizing OFDMA networks 
    Tuncel, Nur Öykü. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In any cellular network, load imbalance results in ine cient resource utilization and low throughput for cell-edge users. Mobility Load Balancing (MLB) is an essential feature of self-organizing networks (SON) concept in ...
  • Multi-user communication over hybrid FSO UWB channels 
    Çağıral, Erman. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    UWB communication provides high data rates with a simple signal model over RF channels up to 10 meters. In literature, several studies have been done to generate and transmit UWB signals over optical carrier via fiber ...
  • Multiple input multiple output transmission techniques and link adaptation in wireless systems with dual-polarized antennas 
    Kılıç, Yakup. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The use of dual-polarized antennas theoretically double the number of virtual antennas used in the system. On the other hand, the correlation effects and the crosspolar discrimination (XPD) deteriorates the system performance. ...
  • Non-orthogonal multiple access with two sets of orthogonal signal waveforms 
    Çalışkan, Ersoy. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    The rapid development of the mobile systems causes dramatic increase on data traffic. Due to the bandwidth scarcity, existing multiple access systems may not over come this problem [1]. These multiple access techniques are ...
  • Precoded dual - polarized spatial modulation over correlated fading channels 
    Kazemipourleilabadi, Negin. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2018., 2018.)
    In wireless communication systems, multiple-input multiple-output (MIMO) sys tems have been emerged and widely used during past decades to achieve higher data rates, better quality of service and higher network capacity. ...
  • Robust ultra-wideband tranceiver integrated circuit design 
    Batur, Okan Zafer. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Pulse-based wideband and UWB radios are well known for their use in radar technology. UWB has also been popular for its use on high data rate applications in recent years. UWB wireless sensor networks are known for their ...
  • Space-time polarization diversity in multiple input multiple output communication systems 
    Sevindik, Volkan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In wireless communications systems, diversity techniques are widely used to combat the e ects of wireless fading channels. Multiple-input multiple-output (MIMO) systems have better performance under fading channels than ...
  • Spatial modulation MIMO systems with dual-polarized antennas 
    Zafari, Golara. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In wireless communication systems, multiple-input multiple-output (MIMO) systems have been widely used during the past decades to achieve better performance. However, there is an inevitable issue due to the usage of ...