Yazar "Çetinkaya, Şinasi" için listeleme
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Beamspace MIMO systems with reduced beam selection complexity
Çetinkaya, Şinasi; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2023)Beamspace multiple-input multiple-output (B-MIMO) systems with proper beam selection (BS) promise to lower the radio-frequency (RF) chains overhead with no noticeable degradation in performance. Most of the existing BS ... -
A distributed user-cell association for spectral and energy efficiency tradeoff in massive MIMO UDHNs
Çetinkaya, Şinasi; Arslan, Hüseyin (IEEE-Institute of Electrical and Electronics Engineers, 2019)Massive MIMO enabled ultra-dense heterogeneous networks (UDHNs) have been considered as the indispensable and emerging approach to meet the demand on growing data traffic for next generation networks. Although deployment ... -
Energy and spectral efficiency tradeoff in NOMA: Multi-objective evolutionary approaches
Çetinkaya, Şinasi; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2020)Non-orthogonal multiple access (NOMA) deployment in future wireless networks has been recently considered a promising radio access technology to enhance spectral efficiency (SE). However, gain in SE comes always with the ... -
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 ... -
Physical layer security for visible light communication in reflected indoor environments with inter-symbol interference
Albayrak, Cenk; Çetinkaya, Şinasi; Türk, Kadir; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2023)Visible light communication (VLC) is a promising technology for next-generation indoor wireless broadband communication systems. Physical layer security (PLS) is one proposed method to ensure data security for VLC in public ...