ORCID "0000-0001-9474-7372" Makale Koleksiyonu için listeleme
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Efficient spectrum occupancy prediction exploiting multidimensional correlations through composite 2D-LSTM models
Aygül, Mehmet Ali; Nazzal, Mahmoud; Sağlam, Mehmet İzzet; da Costa, Daniel Benevides; Ateş, Hasan Fehmi; Arslan, Hüseyin (MDPI, 2021)In cognitive radio systems, identifying spectrum opportunities is fundamental to efficiently use the spectrum. Spectrum occupancy prediction is a convenient way of revealing opportunities based on previous occupancies. ... -
Emulation techniques for small scale fading aspects by using reverberation chamber
Kihero, Abuu Bakari; Karabacak, Murat; Arslan, Hüseyin (Ieee-Inst Electrical Electronics Engineers Inc, 2019)Reverberation chambers (RVCs) are used to provide an efficient and reliable testbed for emulating the wireless channel effects in the laboratory environment. In the literature, various techniques have been studied to enrich ... -
Energy and spectral-efficient lens antenna subarray design in MmWave MIMO Systems
Afeef, Liza; Mumcu, Gökhan; Arslan, Hüseyin (IEEE-Institute Electrical Electronics Engineers Inc, 2022)Lens antenna subarray (LAS) is one of the recently introduced technologies for future wireless networks that significantly improves the energy efficiency of multiple-input multiple-output (MIMO) systems while achieving ... -
Enhancing the performance of low priority SUs using reserved channels in CRN
El-Toukhy, Ahmed T.; Arslan, Hüseyin (IEEE - Institute of Electrical and Electronics Engineers, Inc., 2020)Cognitive radio networks (CRNs) are considered a promising solution for spectrum resources scarcity and efficient channel utilization. In this letter, multi-dimensional analytical Markov model based on reservation channel ... -
Error performance enhancement and complexity reduction in OFDM systems via coordinate interleaving under practical impairments
Reşat, Mustafa Anıl; Tusha, Armed; Doğan Tusha, Seda; Özyurt, Serdar; Arslan, Hüseyin (Turkiye Klinikleri, 2024)In this work, subcarrier coordinate interleaving (CI) is implemented to orthogonal frequency division multiplexing (OFDM) systems with the aim of both enhancing the error performance and reducing the implementation complexity. ... -
Exploiting user diversity in OTFS transmission for beyond 5G wireless systems
Tusha, Armed; Althunibat, Saud; Hasna, Mazen O.; Qaraqe, Khalid; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Orthogonal time frequency space (OTFS) modulation is a recent technology that offers a significant advantage on link reliability due to its strong delay-Doppler resilience. In classical cellular technology, overall system ... -
Extensionless adaptive transmitter and receiver windowing of beyond 5G frames
Peköz, Berker; Köse, Selçuk; Arslan, Hüseyin (IEEE - Institute of Electrical and Electronics Engineers, Inc, 2020)Newer cellular communication generations are planned to allow asynchronous transmission of multiple numerologies (waveforms with different parameters) in adjacent bands, creating unavoidable adjacent channel interference. ... -
Fading-aligned OFDM with index modulation for mMTC services
Memişoğlu, Ebubekir; Başar, Ertuğrul; Arslan, Hüseyin (Elsevier B.V., 2019)5th generation (5G) of wireless networking is coming with diverse use cases, such as enhanced-Mobile BroadBand (eMBB), Ultra Reliable and Low Latency Communications (URLLC), and massive Machine Type Communications (mMTC). ... -
A flexibility metric and optimization methods for mixed numerologies in 5g and beyond
Yazar, Ahmet; Arslan, Hüseyin (IEEE-Inst Electrical Electronics Engineers Inc, 2018)Mixed numerology-based frame structures will be a part of 5G systems in order to enhance overall flexibility and user satisfaction. However, inter-numerology interference, spectral efficiency reduction, complexity, and ... -
Flexible guard structure for timing synchronization in coordinated networks
Kihero, Abuu Bakari; Furqan, Haji Muhammad; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)In this letter, a novel and flexible hybrid guard duration (HGD) based on zero tail (ZT) and cyclic prefix (CP) concepts is proposed for facilitating timing synchronization (TS) in coordinated multi-point (COMP) networks. ... -
Flexible multi-numerology systems for 5G new radio
Yazar, Ahmet; Arslan, Hüseyin (River Publishers, 2018)The physical layer of 5G cellular communications systems is designed to achieve better flexibility in an effort to support diverse services and user requirements. Orthogonal frequency division multiplexing (OFDM) waveform ... -
Flexible numerology in 5G NR: Interference quantification and proper selection depending on the scenario
Flores de Valgas, Josue; Monserrat, Jose F.; Arslan, Hüseyin (Hindawi Ltd, 2021)The 3rd Generation Partnership Project (3GPP) adopted cyclic prefix OFDM (CP-OFDM) for both uplink and downlink communications (although DFT-s-OFDM is also allowed in the uplink) in 5G New Radio (NR) Release 15. However, ... -
Flexible physical layer security for joint data and pilots in future wireless networks
Zegrar, Salah Eddine; Furqan, Haji Muhammad; Arslan, Hüseyin (IEEE-Institute of Electrical and Electronics Engineers Inc., 2022)In this work, novel physical layer security (PLS) schemes are proposed for orthogonal frequency-division multiplexing (OFDM) to secure both data and pilots in multiple-input multiple-output (MIMO) systems. The majority of ... -
Flexible radio access beyond 5G: A future projection on waveform, numerology, and frame design principles
Ankaralı, Zekeriyya Esat; Peköz, Berker; Arslan, Hüseyin (IEEE-Inst Electrical Electronics Engineers Inc, 2017)To address the vast variety of user requirements, applications, and channel conditions, flexibility support is strongly highlighted for 5G radio access technologies (RATs). For this purpose, usage of multiple orthogonal ... -
Generalized coordinated multipoint framework for 5G and beyond
Solaija, Muhammad Sohaib J.; Salman, Hanadi; Kihero, Abuu B.; Sağlam, Mehmet İzzet; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2021)The characteristic feature of 5G and beyond networks is the diversity of services, which is required to support different user needs. However, the requirements for these services are often competing in nature, which impresses ... -
Guard band reduction for 5G and beyond multiple numerologies
Memişoğlu, Ebubekir; Kihero, Abuu Bakari; Başar, Ertuğrul; Arslan, Hüseyin (IEEE, 2020)The existence of inter-numerology interference (INI) is a major drawback for the flexible multi-numerology frame structure proposed for the upcoming fifth generation New Radio (5G-NR). Insertion of a guard band (GB) between ... -
High range resolution at reduced sampling rates in OFDM systems exploiting pilot aliasing
High range resolution (HRR) is critical for automotive radar where it is directly dependent on the available transmission bandwidth. However, HRR sensing for OFDM entails high sampling frequencies, which extends the system's ... -
High-gain pattern reconfigurable MIMO antenna array for wireless handheld terminals
Chamok, Nowrin Hasan; Yılmaz, Mustafa Harun; Arslan, Hüseyin; Ali, Mohammod (The Institute of Electrical and Electronics Engineers, 2016)The analysis, design, experimental development, and test results of a high-gain pattern reconfigurable antenna array are presented. Unlike traditional phased arrays, the proposed array has a compressed footprint making it ... -
A hybrid downlink NOMA with OFDM and OFDM-IM for beyond 5G wireless networks
Tusha, Armed; Doğan, Seda; Arslan, Hüseyin (IEEE - Institute of Electrical and Electronics Engineers, Inc., 2020)In this paper, a hybrid power domain non-orthogonal multiple accessing (NOMA) scheme by the superposition of orthogonal frequency division multiple accessing (OFDM) and index modulated OFDM (OFDM-IM) technologies is presented ... -
In vivo communications: Steps toward the next generation of implantable devices
Demir, Ali Fatih; Ankaralı, Zekeriyya Esat; Abbasi, Qammer H.; Liu, Yang; Qaraqe, Khalid; Serpedin, Erchin; Arslan, Hüseyin; Gitlin, Richard D. (IEEE-Inst Electrical Electronics Engineers Inc, 2016)In vivo wireless medical devices have the potential to play a vital role in future healthcare technologies by improving the quality of human life. In order to fully exploit the capabilities of such devices, it is necessary ...