ORCID "0000-0002-9054-0005" Makale Koleksiyonu için listeleme
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Detection, identification, and direction of arrival estimation of drone FHSS signals with uniform linear antenna array
Kaplan, Batuhan; Kahraman, İbrahim; Ekti, Ali Rıza; Yarkan, Serhan; Görçin, Ali; Özdemir, Mehmet Kemal; Çırpan, Hakan Ali (IEEE - Institute of Electrical and Electronics Engineers, Inc, 2021)Safety, security, and privacy are three critical concerns affiliated with the use of drones in everyday life. Considering their ever-shrinking sizes and capabilities, being aware of drone activities in the vicinity becomes ... -
Extended reduced-rank joint estimation of direction of arrival with mutual coupling for coherent signals
Thet, Nann Win Moe; Kachroo, Amit; Özdemir, Mehmet Kemal (Wiley Blackwell, 2019)This paper proposes an extended method for direction-of-arrival (DOA) estimation with unknown mutual coupling for coherent signals. The proposed method employs the forward/backward spatial smoothing to decorrelate the ... -
Impact of mutual coupling on power-domain non-orthogonal multiple access (NOMA)
Thet, Nann Win Moe; Khan, Sana; Arvas, Ercüment; Özdemir, Mehmet Kemal (IEEE-Institute of Electrical and Electronics Engineers Inc, 2020)This paper investigates the impact of mutual coupling (MC) on the achievable sum-rate of power-domain non-orthogonal multiple access (NOMA) system in both uplink (UL) and downlink (DL) transmissions. We assume a single-antenna ... -
In silico analysis of a highly mutated gene in cancer provides insight into abnormal mRNA splicing: Splicing factor 3B subunit 1k700e mutant
Samy, Asmaa; Süzek, Barış Ethem; Özdemir, Mehmet Kemal; Şensoy, Özge (MDPI AG, 2020)Cancer is the second leading cause of death worldwide. The etiology of the disease has remained elusive, but mutations causing aberrant RNA splicing have been considered one of the significant factors in various cancer ... -
Mutual coupling compensation in receiving antenna arrays
Khan, Sana; Sajjad, Hassan; Özdemir, Mehmet Kemal; Arvas, Ercüment (Applied Computational Electromagnetics Society (ACES), 2020)Mutual coupling compensation in uniform linear and circular receiving antenna arrays of thin wire dipoles is presented. It was observed that the mutual impedance is independent of the incident angle and depends solely on ... -
Mutual coupling compensation in receiving arrays and its implementation on software defined radios
Khan, Sana; Sajjad, Hassan; Özdemir, Mehmet Kemal; Arvas, Ercüment (Applied Computational Electromagnetics Society, 2020)Mutual coupling is compensated in a four element uniform linear receiving array using software defined radios. Direction of arrival (DoA) is estimated in real-time for the array with spacing d=lambda/4. The decoupling ... -
Mutual coupling compensation in transmitting arrays of thin wire antennas
Khan, Sana; Sajjad, Hassan; Özdemir, Mehmet Kemal; Arvas, Ercüment (Applied Computational Electromagnetics Society (ACES), 2018)This paper presents a numerical technique for the compensation of mutual coupling in transmitting arrays of thin wire antennas. The Method of Moments is used to compute the scattering parameters of the array. Using these ... -
A novel sea communication topology and IP routing algorithm by using LTE and WMN in NS-3
Kasım, Rashad; Özdemir, Mehmet Kemal (Wiley, 2017)This paper proposes a new heterogeneous network topology and a routing algorithm for a marine communication system involving ships and other marine vessels from a terrestrial point on the shore. Topology involves the use ... -
Partial-beam non-orthogonal multiple access (PB-NOMA) with fuzzy clustering
Thet, Nann Win Moe; Özdemir, Mehmet Kemal (IEEE-Institute of Electrical and Electronics Engineers Inc., 2021)This letter proposes a partial-beam non-orthogonal multiple access (PB-NOMA) system for millimeter wave (mmWave) channels. In the proposed system, the user terminals (UT)s partially belong to different user groups and ... -
Ray tracing-based maritime channel analysis for millimeter radiowaves
Mehrnia, Niloofar; Özdemir, Mehmet Kemal (Springer, 2019)In this work, we present and analyze the simulation results of millimeter-wave propagation channel performed over the sea surface for ship to ship scenario. We present a channel characterization study where channel parameters ... -
Rf circuit implementation of a real-time frequency spread emulator
Karabacak, Murat; Mohammed, Ahmed Hossam; Özdemir, Mehmet Kemal; Arslan, Hüseyin (IEEE-Institute of Electrical and Electronics Engineers Inc, 2018)Despite their reliability, on-site measurements are time-consuming and costly actions for the evaluation of new devices. Channel emulators are widely utilized measurement instruments to generate desired environmental channel ... -
Studying the connection between SF3B1 and four types of cancer by analyzing networks constructed based on published research
Samy, Asmaa; Özdemir, Mehmet Kemal; Alhajj, Reda (Nature Research, 2023)Splicing factor 3B subunit 1 (SF3B1) is the largest component of SF3b protein complex which is involved in the pre-mRNA splicing mechanism. Somatic mutations of SF3B1 were shown to be associated with aberrant splicing, ...