Browsing Araştırma Çıktıları | WoS | Scopus | TR-Dizin | PubMed by Author "Panayırcı, Erdal"
Now showing items 81-100 of 140
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Optical MIMO-OFDM With Generalized LED Index Modulation
Yeşilkaya, Anıl; Basar, Ertugrul; Miramirkhani, Farshad; Panayırcı, Erdal; Uysal, Murat; Haas, Harald (IEEE-INST Electrical Electronics Engineers Inc, 2017)Visible light communications (VLC) is a promising and uncharted new technology for the next generation of wireless communication systems. This paper proposes a novel generalized light emitting diode (LED) index modulation ... -
Optical OFDM with index modulation for visible light communications
Basar, Ertugrul; Panayırcı, Erdal (Institute of Electrical and Electronics Engineers Inc., 2015)In this paper we propose optical orthogonal frequency division multiplexing with index modulation (O-OFDM-IM) for visible light communications (VLC) systems employing light emitting diodes (LEDs) and photodetectors (PDs). ... -
Optical spatial modulation design
Tezcan, Çoğalan; Harald, Haas; Panayırcı, Erdal (Royal Soc, 2020)Visible light communication (VLC) systems are inherently signal-to-noise ratio (SNR) limited due to link budget constraints. One favourable method to overcome this limitation is to focus on the pre-log factors of the channel ... -
Optical Spatial Modulation OFDM System Design
Cihan, Salih Bilge; Başar, Ertuğrul; Panayırcı, Erdal (IEEE, 2016)In this paper a new optical orthogonal frequency division multiplexing (OFDM) method is proposed for multiple-input multiple-output (MIMO) visible light communications (VLC) systems. In the new scheme non-DC biased optical ... -
Optical Spatial Modulation OFDM System Design [Optik Uzaysal Modülasyonlu OFDM Sistem Tasarımı]
Cihan, Salih Bilge; Basar, Ertugrul; Panayırcı, Erdal (Institute of Electrical and Electronics Engineers Inc., 2016)In this paper a new optical orthogonal frequency division multiplexing (OFDM) method is proposed for multiple-input multiple-output (MIMO) visible light communications (VLC) systems. In the new scheme non-DC biased optical ... -
Orthogonal Frequency Division Multiplexing With Index Modulation
Başar, Ertuğrul; Aygölü, Ümit; Panayırcı, Erdal; Poor, H. Vincent (IEEE-INST Electrical Electronics Engineers Inc, 2013)In this paper a novel orthogonal frequency division multiplexing (OFDM) scheme called OFDM with index modulation (OFDM-IM) is proposed for operation over frequency-selective and rapidly time-varying fading channels. In ... -
Orthogonal frequency division multiplexing with index modulation
Başar, E.; Aygölü, U.; Panayırcı, Erdal; Poor, H.V. (2012)In this paper, a novel orthogonal frequency division multiplexing (OFDM) scheme, which is called OFDM with index modulation (OFDM-IM), is proposed for frequency-selective fading channels. In this scheme, inspiring from the ... -
Orthogonal frequency division multiplexing with index modulation in the presence of high mobility
Basar, Ertugrul; Aygölü, Ümit; Panayırcı, Erdal (2013)In this paper a novel orthogonal frequency division multiplexing (OFDM) scheme which is called OFDM with index modulation (OFDM-IM) is proposed for frequency-selective fading channels in the presence of high mobility. In ... -
Partial Power and Rate Adaptation for MQAM/OFDM Systems under CFO
Dong, Zhicheng; Fan, Pingzhi; Panayırcı, Erdal; Lei, Xianfu (IEEE, 2014)In this paper a new partial power and rate adaptation scheme for orthogonal frequency division multiplexing (OFDM) systems is proposed in the presence of carrier frequency offset (CFO). The conventional adaptive scheme is ... -
Performance of MIMO Enhanced Unipolar OFDM With Realistic Indoor Visible Light Channel Models
Yeşilkaya, Anıl; Miramirkhani, Farshad; Basar, Ertugrul; Panayırcı, Erdal; Uysal, Murat (Institute of Electrical and Electronics Engineers Inc., 2016)Visible light communication (VLC) involves the dual use of illumination infrastructure for high speed wireless access. Designing such optical based communication systems realistic indoor optical channel modeling becomes ... -
Performance of MIMO enhanced unipolar OFDM with realistic indoor visible light channel models
Yesilkaya, A.; Miramirkhani, F.; Basar, E.; Panayırcı, Erdal; Uysal, M. (Institute of Electrical and Electronics Engineers Inc., 2016)Visible light communication (VLC) involves the dual use of illumination infrastructure for high speed wireless access. Designing such optical based communication systems, realistic indoor optical channel modeling becomes ... -
Performance of space time codes with transmit antenna selection over frequency selective fading channels in the presence of channel estimation errors
Güçlüoğlu, Tansal; Panayırcı, Erdal (2008)This paper presents a performance analysis of space-time coded systems with transmit antenna selection over frequency selective fading channels when the erroneously estimated fading coefficients are available only at the ... -
Performance of spatial modulation in the presence of channel estimation errors
Basar, Ertuğrul; Aygölü, Ümit; Panayırcı, Erdal; Poor, H. Vincent (IEEE-INST Electrical Electronics Engineers Inc, 2012)This work investigates the negative effects of channel estimation errors on the performance of spatial modulation (SM) when operating over flat Rayleigh fading channels. The pairwise error probability of the SM scheme is ... -
Performance of transmit and receive antenna selection in the presence of channel estimation errors
Güçlüoğlu, Tansal; Panayırcı, Erdal (IEEE-INST Electrical Electronics Engineers Inc, 2008)This letter considers the effect of channel estimation errors on the performance of space-time coded (STC) systems with transmit and receive antenna selection over quasi-static flat fading channels. By performing pairwise ... -
Physical Layer Security for Multi-User MIMO Visible Light Communication Systems with Generalized Space Shift Keying
Su, Nugman; Panayırcı, Erdal; Koca, Mutlu; Yeşilkaya, Anıl; Poor, Harold Vincent; Haas, Harald (Institute of Electrical and Electronics Engineers Inc., 2021)We consider the physical layer security (PLS) of multi-user (MU) multiple-input-multiple-output visible light communication (VLC) systems with an eavesdropper (Eve) and propose a novel spatial constellation design technique ... -
Physical Layer Security Under the Effect of Dimming in Visible Light Communications
Yesilirmak, Yalin Evrim; Isikver, Cagri; Gokhan, Roja Boran; Arsan, Taner; Panayırcı, Erdal (IEEE, 2023)Visible Light Communication (VLC) is a promising option for 6G wireless systems to increase performance and provide a high-speed data rate compared to radio frequency (RF). Dimming control is one of the most important ... -
Physical-Layer Security in 6G Networks
Mucchi, Lorenzo; Jayousi, Sara; Caputo, Stefano; Panayırcı, Erdal; Shahabuddin, Shahriar; Bechtold, Jonathan; Morales, Ivan (IEEE-Inst Electrical Electronics Engineers Inc, 2021)The sixth generation (6G) of mobile network will be composed by different nodes, from macro-devices (satellite) to nano-devices (sensors inside the human body), providing a full connectivity fabric all around us. These ... -
Physical-layer security in visible light communications
Yeşilkaya, Anıl; Çoğalan, Tezcan; Erküçük, Serhat; Şadi, Yalçın; Panayırcı, Erdal; Haas, Harald; Poor, Harold Vincent (Institute of Electrical and Electronics Engineers Inc., 2020)Optical wireless communications (OWC) and its potential to solve physical layer security (PLS) issues are becoming important research areas in 6G communications systems. In this paper, an overview of PLS in visible light ... -
Physical-Layer Security With Optical Generalized Space Shift Keying
Panayırcı, Erdal; Yeşilkaya, Anıl; Çoğalan, Tezcan; Poor, H. Vincent; Haas, Harald (Ieee-Inst Electrıcal Electronıcs Engıneers Inc, 2020)Spatial modulation (SM) is a promising technique that reduces inter-channel interference while providing high power efficiency and detection simplicity. In order to ensure the secrecy of SM, precoding and friendly jamming ... -
Pilot assisted channel estimation for asymmetrically clipped optical OFDM over visible light channels
Dogan, Hakan; Şayli, Osman; Panayırcı, Erdal (Institute of Electrical and Electronics Engineers Inc., 2017)The Visible Light Communication(VLC) has drawn significant attention recently for wireless communication in addressing the performance limitations of wireless systems due to the scarcity of bandwidth. In VLC system the ...