Kurum Yazarı "Arslan, Hüseyin" Bildiri Koleksiyonu İçin Listeleme
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Beam squint effect in multi-beam mmWave massive MIMO systems
Afeef, Liza; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)In multicarrier wideband millimeter-wave (mmWave) communications, as the size of antenna array increases, as in massive multiple-input multiple-output (MIMO), an additional propagation delay of the electromagnetic wave at ... -
Beam squint inspired multiple access technique in massive MIMO systems
Kihero, Abuu B.; Afeef, Liza; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Massive multiple-input multiple-output (mMIMO) systems implementing wideband signaling have been found to suffer from beam squinting problem. In multicarrier systems, beam squint causes spreading of the beam to multiple ... -
Channel-dependent code allocation for downlink MC-CDMA system aided physical layer security
Salman, Hanadi; Nader, Sanaz; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Spreading codes are the core of the spread spectrum transmission. In this paper, a novel channel-dependent code allocation procedure for enhancing security in multi-carrier code division multiple access (MC-CDMA) system ... -
Control of fractional delay effect for SC transmission in beyond 5G networks
Yılmaz, Talha; Tusha, Armed; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Wireless networks beyond 5G are expected to support a wide range of applications and use cases, and single-carrier (SC) based wireless technologies have been considered in the literature as a suitable solution for ... -
Cyclic Prefix (CP) jamming against eavesdropping relays in OFDM systems
Solaija, Muhammad Sohaib J.; Madni, Haji Muhammad Furqan Ahmed; Ankaralı, Zekeriyya Esat; Arslan, Hüseyin (IEEE-Institute of Electrical and Electronics Engineers Inc., 2022)Cooperative communication has been widely used to provide spatial diversity benefits for low-end user equipments, especially in ad hoc and wireless sensor networks. However, the lack of strong authentication mechanisms in ... -
Deep RL-based spectrum occupancy prediction exploiting time and frequency correlations
Aygül, Mehmet Ali; Nazzal, Mahmoud; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)In cognitive radio systems, predicting spectrum occupancies is a convenient alternative way to continuous spectrum sensing. It can provide information on spectrum usage and so empty spectrum bands can be used by secondary ... -
Dynamic-structure resource block allocation based scheduling for 5G systems
Jaradat, Ahmad Mohammad; Sağlam, Mehmet İzzet; Kartal, Mesut; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)We propose an efficient radio resource scheduling (RRS) approach based on the existing dynamic resource block structure (D-RBS). The proposed RRS is more responsive to variations in traffic demand. More specifically, ... -
Estimating multi-dimensional sparsity level for spectrum sensing
Aygül, Mehmet Ali; Nazzal, Mahmoud; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2023)Identifying spectrum opportunities is a crucial element of efficient spectrum utilization for future wireless networks. Spectrum sensing offers a convenient means for revealing such opportunities. Studies showed that usage ... -
Estimation and exploitation of multidimensional sparsity for MIMO-OFDM channel estimation
Nazzal, Mahmoud; Aygül, Mehmet Ali; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Obtaining accurate channel state estimates at reasonable training overheads remains a big challenge for the applicability of multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM). Recently, ... -
Exploiting OTFS frame structure for PAPR reduction
Sümer, Ahmet Sacid; Yılmaz, Talha; Memişoğlu, Ebubekir; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Wireless technologies have always been the cornerstone of industrial progress. However, as industrial technologies have improved and advanced services have emerged, the demands of industry have meant that wireless technologies ... -
Heuristic inspired precoding for millimeter-wave MIMO systems with lens antenna subarrays
Çetinkaya, Şinasi; Afeef, Liza; Mumcu, Gökhan; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)A traditional array (TA) multiple-input multiple-output (MIMO) architecture in mmWave with hybrid beamforming suffers from high power consumption and hardware overhead. Therefore, a lens antenna subarray (LAS)-MIMO ... -
Identification of distorted RF components via deep multi-task learning
Aygül, Mehmet Ali; Memişoğlu, Ebubekir; Çırpan, Hakan Ali; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)High-quality radio frequency (RF) components are imperative for efficient wireless communication. However, these components can degrade over time and need to be identified so that either they can be replaced or their effects ... -
Index modulation-aided IQ imbalance compensator for OTFS communications systems
Tusha, Armed; Dogan Tusha, Seda; Althunibat, Saud; Başar, Ertuğrul; Qaraqe, Khalid; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Design of simple transceiver architectures is inevitable in order to provide low computational complexity, low power consumption and affordable cost in beyond 5G (B5G) wireless systems, but it results in hardware impairments ... -
Intelligent spectrum occupancy prediction for realistic measurements: GRU based approach
Tusha, Armed; Kaplan, Batuhan; Çırpan, Hakan Ali; Qaraqe, Khalid; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Cognitive radio (CR) technology has always been a research hotspot in the wireless communications field as it has the potential to significantly improve system capacity at the cost of increased processing time and power ... -
Inter-HAP based geometrical 3-D channel model operating at 28 to 60 GHz for future 6G non-terrestrial networks
Kırık, Muhammet; Abusanad, Nusaibah A.; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2023)This paper presents a geometrical 3-D channel model for stationary inter-high altitude platform (HAP) systems operating at millimeter wave (mmWave) frequency bands for the future 6G non-terrestrial networks (NTNs). The ... -
Inter-numerology interference pre-equalization for 5G mixed-numerology communications
Çevikgibi, Buğra Alp; Demirtaş, Ali Murat; Girici, Tolga; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)This article proposes a pre-equalization method to remove inter-numerology interference (INI) that occurs in multi-numerology OFDM frame structures of fifth-generation New Radio (5G-NR) and beyond, on the transmitter side. ... -
Interactive CoMP clustering for load balancing and time synchronization
Salman, Hanadi; Kihero, Abuu B.; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)This work aims to address the timing synchronization issue which limits the applicability of coordinated multipoint schemes, specifically joint transmission, in practical wireless networks. Following a brief description ... -
Joint estimation of multiple RF impairments using deep multi-task learning
Aygül, Mehmet Ali; Memişoğlu, Ebubekir; Arslan, Hüseyin (IEEE-Institute of Electrical and Electronics Engineers Inc., 2022)Radio-frequency (RF) front-end forms a critical part of any radio system, defining its cost as well as communication performance. However, these components frequently exhibit non-ideal behavior, referred to as impairments, ... -
Network-independent and user-controlled RIS: An experimental perspective
Arslan, Emre; Kılınç, Fatih; Başar, Ertuğrul; Arslan, Hüseyin (IEEE Computer Society, 2023)The march towards 6G is accelerating and future wireless network architectures require enhanced performance along with significant coverage especially, to combat impairments on account of the wireless channel. Reconfigurable ... -
A novel frame design for non-terrestrial network based integrated sensing and communication
Naeem, Ahmed; Rafique, Saira; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)In this paper, a novel frame design is proposed which realizes integrated sensing and communication (ISAC) while developing synergy among non-Terrestrial (NTN) and terrestrial networks. Conventional time division duplexing ...